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Open Question: Chi square_ HELP!!!!!!?

Does anyone did this before? I have no idea how to do that...Please HELP!!! The Chi Square Test The purpose of the Chi square 2 test is to determine whether experimentally obtained data constitute a good fit to a theoretical, expected ratio. In other words, the 2 test enables one to determine whether it is reasonable to attribute deviations from an expected value to chance. Obviously, if deviations are small then they can be more reasonably attributed to chance. The question is how small must deviations be in order to be attributed to chance? The formula for 2 is as follows: 2 =  (O-E)2 where O = the observed number of individuals of a particular phenotype, E = the expected number in that phenotype, and  = the summation of all possible values of (O-E)2/E for the various phenotypic categories. The following is an example of how one might apply the test to genetics. In a cross of tall tomato plants to dwarf ones, the F1 consisted entirely of tall plants, and the F2 consisted of 102 tall and 44 dwarf plants. Does this data fit a 3:1 ratio? To answer this question, a 2 value can be calculated (see table 1). Table 1 PhenotypeGenotypeOE(O-E)(O-E)2(O-E)2/E TallT_102109.5-7.556.250.5137 Dwarftt4436.57.556.251.5411 Totals1461462.0548 The calculated 2 value is 2.0548. What does this mean? If the observed had equaled the expected, the value would have been zero. Thus, a small 2 value indicates that the observed and expected ratios are in close agreement. However, are the observed deviations within the limits expected by chance? In order to determine this, one must look up the 2 value on a Chi Square table (see table 1.2). Statisticians have generally agreed on the arbitrary limits of odds of 1 chance in 20 (probability = .05) for drawing the line between acceptance and rejection of the hypothesis as a satisfactory explanation of the data tested. A 2 value of 3.841 for a two-term ratio corresponds to a probability of .05. That means that one would obtain a2 value of 3.841 due to chance alone on only about 5% of similar trials. When 2 exceeds 3.841 for a two term ratio, the probability that the deviations can be attributed to chance alone is less than 1 in 20. Thus, the hypothesis of compatibility between the observed and expected ratios must be rejected. In the example given the 2value is much less than 3.841. Therefore, one can attribute the deviations to chance alone. Table 1.2 Values of Chi Square probability of a larger value of X2 dF.995.990.975.950.900.750.500.250.100.050.025.010.005 1.04393.03157.03982.02393.0158.102.4551.322.713.845.026.637.78 2.0100.0201.0506.103.211.5751.392.774.615.997.389.2110.6 3.0717.115.216.352.5841.212.374.116.257.819.3511.312.8 4.207.297.484.7111.061.923.365.397.789.4911.113.314.9 5.412.554.8311.151.612.674.356.639.2411.112.815.116.7 The number of degrees of freedom is one minus the number of terms in the ratio. In the example above (3:1) there are two terms. Therefore, the degrees of freedom is 2 - 1 = 1. Application of the Chi Square Test M&Ms are carefully selected for equality of size and shape. Quantities of each color were packaged in your bag. Randomly select enough M&M to cover the bottom of the cup. Count the number of M&M of each color and record your data in table 1.3. Then calculate the expected numbers based on the sample size and the known ratio of M&M in general. Complete the table and calculate2 Table 1.3 Phenotype (color)OE(O-E)(O-E)2(O-E)2/E Sum How many degrees of freedom are there?____________________________________ Using table 1.2, what 2 values lie on either side of your calculated 2value?_________ What are the probability values associated with the 2 values?_____________________ Briefly interpret the 2 value you have just calculated. Adapted from: Reference: Genetics Laboratory Manual, second edition, 2000, James R. Garey, Samantha R. Brown, Laurie L. Markham, and Richard A. Anthony more

Open Question: for a single dollar of excess reserves and R equals the required reserve ratio, then for the banking system:?

If m equals the maximum number of new dollars that can be created for a single dollar of excess reserves and R equals the required reserve ratio, then for the banking system: 1) m = R-1. 2) R = m/1. 3) R = m-1. 4) m = 1/R. more

Open Question: single dollar of excess reserves and R equals the required reserve ratio, then for the banking system?

Open Question: If m equals the maximum number of new dollars that can be created for a single dollar of excess reserves?

Resolved Question: Accounting Help, Quick Ratios?

Out of the following, which assets will I use to determine the quick ratio? Cash and equivalents - 1,856.7 Short-term investments - 990.3 Accounts Receivable, net - 2,494.7 Inventories - 2,121.9 Deferred Income taxes - 219.7 Prepaid expenses and other current assets - 393.2 If the current liabilities equal 2,584 , what is the quick ratio? How did you get it? more

Open Question: Quick Ratios, which assets do I use?

Open Question: can anyone help me with my geometry please!! SOS!! HELP!!?

i need help in my math class online here are the questions please answer what you know. 1. The measure of the central angle of a regular polygon is 18º. How many sides does it have? 20 18 16 2. The measure of a central angle of a regular polygon is 72º. How many sides does it have? 72 10 5 3. What is the measure of each central angle in a 12-sided regular polygon? 90º 150º 30º 4. What is the measure of each angle in a 30-sided regular polygon? 168º 132º 36º 5. Given a=6√3, find b and c. b=6, c=12 b=18, c=12√3 b=12√3, c=18 6. A radius of a regular triangle is 12. Find the length of one side of the triangle. 12√3 4 12 7. If the radius of a regular hexagon is 2 meters, what is the apothem? 2√3 m 2 m √3 m 8. If the radius of a regular hexagon is 4 meters, what is the apothem? √3 m 2 m 2√3 m 9. An equilateral triangle has a radius of 8. Find the altitude of the triangle. 10 8 12 10. One side of an equilateral triangle is 12 cm. Find the apothem (A), the perimeter (P) and area (C). A=2√3 cm; B=48 cm; C=36√3 cm2 A=12 cm; B=36 cm; C=72 cm2 A=2√3 cm; B=36 cm; c=36√3 cm2 11. One side of a square is 16 feet long. How long is its apothem? 6 ft 8 ft 4 ft 12. One side of a regular hexagon is 6 inches long. How long is its apothem? 3√3 in 3√2 in 3 in 13. Find the apothem of a regular polygon with an area of 625 m2 and a perimeter of 100 m. 12 m 12.5 m 10 m 14. Two regular pentagons have radii of 5 cm and 7 cm. What is the ratio of their apothems? 5/7 25/49 1/2 15. Two regular pentagons have radii of 5 cm and 7 cm. What is the ratio of their areas? 5/7 25/49 7/5 16. Two regular octagons have areas of 36 and 49. What is the ratio of their apothems? 36/49 3/7 6/7 17. Two regular octagons have areas of 36 and 49. What is the ratio of their perimeters? 36/49 6/7 18/49 18. Two regular triangles are inscribed in circles with radii 4 and 8. What is the ratio of their areas? 1/4 1/2 1 19. The areas of two regular pentagons have a ratio of 12/36. If the apothem of the larger pentagon is 6, what is the apothem of the smaller pentagon? 4√3 4√6 2√3 20. Two similar polygons have perimeters of 10 mi and 20 mi, and the area of the larger is 300 mi2. Find the area of the smaller. 75 mi2 80 mi2 25 mi2 21. The length of one side of a regular polygon is half the length of a similar polygon. What is the ratio of their areas? 1/2 1 1/4 22. A patchwork quilt is made up of two different sized squares. The length of the larger square is twice the length of the smaller square. How many of the smaller squares does it take to equal the area of one larger square? 2 8 4 23. Two flags are in the shape of equilateral triangles. The smaller has a radius of 3 and the ratio of their areas is 4 to 9. What is the radius of the larger flag? 4 1/2 2 6 3/4 24. The length of one side of a regular triangle is 30. What is the length of a radius of the triangle? 10√3 30 10 25. The radius of a regular hexagon is 6 cm. What is the length of the apothem? 3 6 3√3 26. A regular polygon has an area of 144 m2 and a perimeter of 48 meters. What is the length of its apothem? 3 m 6 m 9 m 27. ABCDEF is a regular hexagon circumscribed about circle O and radius OG=2 centimeters. What is the area of the hexagon? 8√3 cm2 8 cm2 24 cm2 28. Two similar polygons have apothems of 15 units and 18 units. What is the ratio of their areas? 15/18 30/45 25/36 29. Two regular octagons have apothems of 4 cm and 6 cm and the area of the smaller octagon is 52 cm2. What is the area of the larger octagon? 117 cm2 250 cm2 300 cm2 30. The radii of two similar polygons are in the ratio of 2:3 and the sum of their perimeters is 40. What is the perimeter of each polygon? 12 and 18 16 and 24 24 and 36 more

Open Question: Who can help me with SAT I Math (All multiple-choice)?

Please explain why...Thank you! 1. How many non-congruent right triangles with legs of integral lengths have a hypotenuse of length 10? (what is integral lengths?) A. 1 B. 2 C. 3 D. 4 E. More than 4 2. How many right triangles have a hypotenuse of length 10? A. 1 B. 2 C. 3 D. 4 E. More than 4 3. If the ratio of the areas of two right triangles is 1 to 4, then what is the ratio of the hypotenuses (smaller to larger) of the two right triangles? (The answer is E. But ?) A. 1 to 2 B. 1 to 4 C. 1 to 16 D 1 to 25 E Cannot be determined 4. If the measures of the angles of an isosceles triangle are 5x, 2x+10, and x+10, what is the degree measure of the largest angle? (I add all the angles together and make them equal to 180. But x=20. So the angles are 100 degrees, 50 degrees, and 30 degrees. It still doesn't make sense, cuz it has to be an isosceles triangle.) A. 20 degrees B. 40 degrees C. 60 degrees D. 80 degrees E. 100 degrees 5. The length of the sides of triangle ABC are consecutive integers. If triangle ABC has the same perimeter as a square with an area of 9, what is the length of the shortest side of triangle ABC? A. 3 B. 4 C. 5 D 6 E. 8 6. The average measure of the interior angles of a polygon is 156 degrees. How many sides does the polygon have? A. 11 B. 13 C. 15 D. 17 E. 21 7. One side of a triangle has length 6 and a second side has length 7. Which of the following can be the area of this triangle? A. 13 B. 21 C. 24 D. 13 and 21 E. 13 and 21 and 24 more

Voting Question: the problem is related to similarity (similar triangles, ratios, etc..)?

Let ABC be a triangle. Two straight lines which are parallel to the side AC divide the triangle into 3 figures of equal area. In what parts is the side AB divided by the lines if AB = 10cm ? more

Voting Question: I need Help with this assignment! I'm at a loss.?

1 If managers are making decisions to maximize shareholder wealth, then they are primarily concerned with making decisions that should: a. Positively affect profits. b. Increase the market value of the firm's common stock. c. Either increase or have no effect on the value of the firm's common stock. d. Accomplish all of the above. 2 A firm has return on equity of 20% and a total asset turnover of 4. Assuming a debt ratio of 50% and sales of $1,000,000, calculate net income. a. $25,000 b. $50,000 c. $75,000 d. $100,000 3 The trading of negotiable certificates of deposit takes place on the: a. Chicago Board of Trade. b. New York Stock Exchange. c. American Stock Exchange. d. None of the above. 4 As the cost of capital is increased, the: a. IRR remains constant. b. Payback period remains the same. c. Discounted payback period increases. d. Both "b" and "c". e. All of the above 5 You have just won a magazine sweepstakes and have a choice of three alternatives. You can get $100,000 now, or $10,000 per year in perpetuity, or $50,000 now and $150,000 at the end of 10 years. If the appropriate discount rate is 12%, which option should you choose? a. $100,000 now b. $10,000 perpetuity c. $50,000 now and $150,000 in 10 years 6 The break-even quantity of output results in an EBIT level equal to: a. Fixed costs. b. Contribution margin. c. Zero. d. Variable costs. 7 If the NPV of a project is positive, then the project's IRR _________________ the required rate of return. a. must be less than b. must be greater than c. could be greater or less than d. cannot be determined without actual cash flows 8 Given a 360-day year, the effective annual cost of not taking advantage of the 3/10, net 30 terms offered by a supplier is: a. 55.7%. b. 45.4%. c. 32.3%. d. 28.2%. 9 A company is technically insolvent when: a. Cash outflows in a given period are greater than cash inflows. b. Earnings before interest payments are less than the interest payments. c. It lacks the necessary liquidity to promptly pay its current debt obligations. d. The current ratio is less than 1.0. 10 Monopoly Corp. is projecting sales of $12 million next year. All sales will be on a credit basis. The present average collection period is 45 days. Monopoly is considering a change in selling terms from net 30 days to 2/10, net 30 in order to speed up the collections of its receivables. Studies indicate that one half of the firm's customers will take the discount. If Monopoly offers this discount, how much will it cost next year? Assume a 365-day year. a. $87,000 b. $98,000 c. $103,000 d. $112,000 e. $120,000 11 Which of the following most likely would cause a lease to be classified as a capital lease? a. The lease is for five or more years. b. The lease is for $1 million or more. c. The lease permits the lessee to purchase the equipment at the end of the lease for its fair market value. d. The present value of the lease payments, calculated at the lessee's typical rate of interest for a similar purchase loan, is more than the original purchase price of the equipment. 12 UVP preferred stock pays $5.00 in annual dividends per share. If your required rate of return is 13%, how much will you be willing to pay for one share? a. $38.46 b. $26.26 c. $65.46 d. $46.38 13 Determine the dollar value of a three year annuity that would produce the same NPV as the following project if the appropriate discount rate is 15%, and initial outflow = 0. Initial Outflow = $1,200 Cash Flow Year 1 = $800 Cash Flow Year 2 = $500 Cash Flow Year 3 = $700 a. $250.38 b. $673.94 c. $146.28 d. $430.82 14 Sola Cola Corporation is undertaking a capital budgeting analysis. The rate on 30-year U.S. Treasury bonds is 6.3%, and the return on the S&P 500 index is 18.5%. If the cost of Sola Cola's retained earnings is 19.7%, calculate its beta. a. 1.1 b. 1.3 c. 1.5 d. 1.7 15 Zybeck Corp. projects operating income of $4 million next year. The firm's income tax rate is 40%. Zybeck presently has 750,000 shares of common stock outstanding which have a market value of $10 per share, no preferred stock, and no debt. The firm is considering two alternatives to finance a new product: (a) the issuance of $6 million of 10% bonds, or (b) the issuance of 60,000 new shares of common stock. If Zybeck issues common stock this year, what will projected EPS be next year? a. $2.10 b. $2.96 c. $2.33 d. $1.67 16 In the event that Zoldt Corporation, which has a low P/E ratio, were to acquire Sky Corporation, which has a higher P/E ratio, an analyst can be certain that one of the following will occur. a. Zoldt Corp. will see an immediate decrease in P/E. b. Zoldt Corp. will see an immediate decrease in EPS. c. Zoldt Corp. will see an more

Resolved Question: What does it cost to run a portable air conditioner?

I've bought a 9000 BTU air conditioner from B&Q: http://www.diy.com/diy/jsp/bq/nav.jsp?action=detail&fh_secondid=9333257&fh_view_size=10&fh_eds=%3f&fh_location=%2f%2fcatalog01%2fen_GB%2fcategories%3C{9372015}%2fcategories%3C{9372041}&fh_refview=lister&ts=1246271483002&isSearch=false but I'm confused as to how much electricity it uses. The leaflet says: "Annual energy consumption, kWh in cooling mode: 577" "Cooling output kW 2.8" "Energy efficiency ratio 2.41" If I call 1kW 10 pence per hour (tbh I'm not sure what electricity costs) would that mean 577kW equals £57 per year? Or have I got the math completely wrong as usual? The unit has an input power of 1200w but I doubt it runs at that level.. 1000watts = 1kilowatt so if I run it for 10 hours a day that would be £30 a month! That sounds hideously expensive to me. Can anyone please tell me what this thing really costs to run because if it really does cost £30 a month I might take it back to B&Q and buy a huge commercial/industrial fan instead.Waaaah! My head is hurting trying to figure out the numbers. :-O Who is right, Peter or Foggy? Is it £25 a month or £25 a year? more

Voting Question: Can you help me answer so financial accounting questions?

True Or False 1.When companies sell their receivables to other companies, the transaction is called factoring. 2.Allowance for Doubtful Accounts is a liability account. 3.When an accounts receivable that has been written off is subsequently collected, the account receivable is reinstated. 4.The accounts receivable turnover measures the length of time in days it takes to collect a receivable 5.During inflationary periods, the use of FIFO method of costing inventory will yield an inventory amount for the balance sheet approximating the current replacement cost. 6.Under the periodic inventory system, the merchandise inventory account continuously discloses the amount of inventory on hand. 7.When using the FIFO inventory costing method, the most recent costs are assigned to the cost of goods sold. 8.A consignor who has goods out on consignment with an agent should include the goods in ending inventory even though they are not in the possession of the consignor. 9.Generally, the lower the number of days’ sales in inventory, the better 10.One negative effect of carrying too much inventory is risk that customers will change their buying habits. 11.In the retail inventory method, the cost to retail ratio is equal to the cost of goods sold divided by the retail price of the good sold. 12.Generally, all deductions made from an employee’s gross pay are required by law. 13.All long-term liabilities eventually become current liabilities. 14.In order to be a recorded contingent liability, the liability must be possible and easily estimated. 15.Receiving payment prior to delivering goods or services causes a current liability to be incurred. Multiple Choice 1.The internal control objective most relevant to receivables is a.Safeguard assets b.Comply with laws and regulations c.Operate efficiently d.Assess risk 2.The two methods of accounting for uncollectible receivables are the allowance method and the a.Equity method b.Direct write off method c.Interest method d.Cost method 3.What is the type of account and normal balance of Allowance for Doubtful Accounts? a.contra asset, credit b.asset, debit c.asset, credit d.contra asset, debit 4.A 60-day, 10% note for $8,000, dated April 15, is received from a customer on account. The face value of the note is a.$8,600 b.$7,200 c.$8,800 d.$8,000 5.If the merchandise costs $4,000, insurance in transit costs $200, tariff costs $50, processing the purchase order by the purchasing dept costs $35, and the company receiving dock personnel cost $15, what is the total cost charged to the merchandise? a.$4,250 b.$4,285 c.$4,300 d.$4,000 6.If title to merchandise purchases passes to the buyer when the goods are shipped from the seller, the terms are a.N/30 b.FOB shipping point c.FOB destination d.Consigned 7.Under which method of inventory costs flows is the cost flow assumed to be in the reverse order in which the expenditure were made? a.Weighted average b.Last-in, first-out c.First-in, first-out d.Average cost 8.Merchandise inventory at the end of the year is overstated. Which of the following statements correctly states the effect of the error? a.Owners equity is overstated b.Cost of merchandise sold is overstated c.Gross profit is understated d.Net income is understated 9.A used machine with a purchase price of $77,000, requiring an overhaul costing $8,000, installation costs of $5,000, and special acquisition fees of $2,000, would have a cost basis of a.$92,000 b.$91,000 c.$87,000 d.$86,000 10.Equipment with a cost of $160,000 has an estimated residual value of $10,m000 and an estimated life of 5 years of 12,000 hours. It is to be depreciated by the straight-line method. What is the amount of depreciation for the first full year, during which the equipment was 3,300 hours? a.$30,000 b.$32,500 c.$34,000 d.$40,000 11.In a normal arm’s length business transaction, long-term liabilities are often secured by a.Fixed assets b.Signature of the chief executive officer c.Accounts receivable d.Bonds payable 12.The maturity value of a $40,000, 90 day, 6% note payable is a.$40,600 b.$42,400 c.$600 d.$2,400 13.Most employers are required to withhold from employees which of the following employment taxes? a.FICA tax b.FICA tax, state and federal unemployment compensation tax c.Only state unemployment compensation tax d.Only federal unemployment compensation tax 14.The cost of a product warranty should be included as an expense in the a.Period the cash is collected for a product sold on account b.Future period when the cost of repairing the product is paid c.Period of the sale of the product d.Future period when the product is repaired or replaced 15.Payroll taxes levied against employees become liabilities a.The first of the following month b.At the more

Resolved Question: Hi... I'm stuck on those problems. I am some help in them.?

They are like ramdon problems... #1 Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $7.35 then 8 gallons will cost $16.32. #2 Garrett washes 3 1/2 cars in 52 minutes. How many minutes does it take Garrett to wash one car? #3 Write the ratio of 9 nickels to 3 quarters in simplest form. #4 On the blueprint of Lauren's new office building, the scale is 3 inches equals 8 ft. What will be the actual length of Lauren's office if it measures 16 inches long on the blueprint? #5 A state sales tax rate is 4.6%. If the tax on a purchase was $23, what was the price of the purchase? #6 A new car depreciates an average of 22% in its first year of use. If the car was worth $26,000 when it was new, what will the car be worth after 1 year? #7 A new car depreciates an average of 22% in its first year of use. If the car was worth $26,000 when it was new, what will the car be worth after 1 year? #8 Ms. Jefferson has been given a loan of $25,000 for 1 year. If the interest charged is $900, what is the interest rate on the loan? more

Open Question: Why does Foreman and Ernie Shavers have powerful punches but slow hand speed when compared to Tyson?

Ive noticed this I thought punching power was just a combo of size and speed equalling power and being lucky to be born with a high ratio of fast twitch muscle fibres! So it amazes me that ernie shavers who arguably has a harder punch than tyson was slower in hand speed it doesnt add up! Also Roy Jone had power and hand speed and Nigel Benn in his division had powerful Ko punches but no where near the hand speed of Roy Jones how is it possible and why?All the technique in the world wont allow you to punch like Tyson your talking bull! Its mainly genetics for what im talking about otherwise all the boxers in the heavyweight division would be punching like Tyson!But they cant!No matter how hard they train or how good their technique! more

Resolved Question: A ____________ is an equation that states that two ratios are equal.?

Resolved Question: Can someone please check my answers in STATISTICS? please!?

Hi. I am studying for my test so I am doing my practice test, but I don't have the answers. Can anybody tell me if I got the right anwsers to see if I am in the right track? My answers are the ones with the stars ******* Serious answers please!!!! 1) To conduct a test of hypothesis with a single sample mean, we must assume a. the sampling distribution is normal b. random sampling c. interval-ratio level of measurement d. all of the above ********* 2) The t distribution, compared to the Z distribution, is a. more skewed b. more peaked c. bimodal d. flatter for small sample sizes but increasingly like the Z distribution as N increases ************* 3) Under what conditions would you use the t distribution to test the significance of a single sample proportion? a. none, always use the Z distribution **************** b. only when the population standard deviation is known c. only when sample size is less than or equal to 120 d. only when the population is normally distributed 4) Rejection of the null hypothesis in the two-sample case implies that a. the samples are different on the trait of interest b. the populations from which the samples are drawn are different on the trait of interest ********************** c. the samples are not different on the trait of interest d. the populations from which the samples are drawn are not different on the trait of interest 5) The ANOVA test may be thought of as an extension of the: a. test for differences in sample proportions ************ b. Chi square test c. estimation procedure d. test for differences in sample means 6) ANOVA is a one tailed test and we are concerned only with those outcomes in which there is more variance a. within categories than between categories b. between categories than within categories c. within populations than samples d. within samples than populations *************** 7) If a statistician wishes to determine whether there is evidence that the average family income in a community exceeds $25,000, a. either a one tail or two tail test could be employed with equivalent results b. a one tail test should be utilized ********************** c. a two tail test should be utilized d. none of the above 8) The standard error of the mean for a characteristic of a sample of 100 identity theft victims is 30. In order to cut the standard error to 15, we would: a. Increase the sample size to 200 b. Increase the confidence interval c. Increase the sample size to 400 *************** d. Decrease the sample size to 50 9) If the model assumptions concerning interval-ratio level of measurement and normal sampling distribution can be satisfied, the preferred test of hypothesis for the difference between samples is a. a nonparametric test ************ b. ANOVA c. alpha d. a test of difference in means 10) When random samples are drawn in such a way that the selection of a case for one sample has no effect on the selection of cases for another sample, the samples are: a. Dependent b. Independent ************************ c. Simple d. Systematic thankssssssssssss more

Resolved Question: Please help me with my meteorology questions!?

Can someone help me with these questions please! Thanks!!! 1. Under what atmospheric condition is the actual mixing ratio equal to the saturation mixing ratio? 2. Is it possible for thunderstorms to form if the lower troposphere is conditionally stable? Explain your answer. 3.Two otherwise identical air parcels, the first having a lower water vapor content than the second, are lifted from the same altitude. Which parcel would first experience condensation or deposition of water vapor? Why? 4.In winter at middle latitudes, the relative humidity is typically lower in a house than outside whereas the absolute humidity is usually higher in a house than outside. Explain this observation. 5.Outdoor air at 0 °C (32 °F) and relative humidity of 90% is brought indoors and heated to 20 °C (68 °F). Compute the relative humidity of the indoor air. 6.An unsaturated air parcel initially has a temperature of 0 °C (32 °F). Assuming that the relative humidity remains less than 100%, predict the temperature of the parcel after it is lifted 2500 m (8200 ft). 7.Determine whether the following soundings are stable, unstable, or neutral for both saturated and unsaturated air parcels. {a} +10 C°/1000 m{b} –5 C°/1000 m{c} –8 C°/1000 m {d} −10 F°/1000 ft{e} +1 F°/1000 ft{f} −13 C°/1000 m more

Resolved Question: mathematics question . ratios ....?

A packet of only blue an yellow jelly beans of equal mass in the ratio 5 : 6. If there are 360g of yellow jelly beans in this packet, what is the total mass of jelly beans in the packet... Thanks heaps :) more

Voting Question: really ez random maths question roflz!?

giv me as much equivalent ratios equal to 1.5:1 and 10 poiunts the race is on....... more

Voting Question: True-False: Please select true or false?

If ABCDE and TUVWX are similar polygons, then the ratio of AB to TU must be equal to the ratio of CD to VW. (Assume and are corresponding sides, as are and .) more

Resolved Question: I did but answers deceived me .how to do it?

1) TWO trains start at the same time from Lancing and Detroit and proceed towards each other at the rate of 16 miles and 21 miles per hour respectively . when they meet,its is found that one train has traveled 60 miles more than the other , the distance between two stations is i go the ans 444miles .. because 1 hr difference is 5 miles.Here after sometime it was found that 60 miles difference.So time taken by the two train to cover the distance is 60/12 =12 so distance = 12*relative velocity of the two trains i.e 16 +21=37 ( since it is traveling in opposite direction. =37*12=444miles but ans he given is 440mile 2)Two candles of the same height are lighted at the same time. The first is consumed in 7 hours and the second in 3 hrs .assuming that each burns at a constant rate,in how many hours after being lighted ,the ratio between the first and second candles becomes 3:1 ans given is 2 hours 20 minutes . 3)The material of a cone is converted into the shape of a cylinder of equal radius .If the height of the cylinder is 5cm ,the height of cone is : ans given is 15 .how ? more

Resolved Question: will reward as best answer if your answer is good and correct.?

there were some square tiles and triangular tiles in a box.the ratio of the number of square tiles to the number of triangular tiles was 3:8.when paul put 79 square tiles into the box and remove 106 triangular tiles ,the number of square tiles and triangular tiles became equal.how many tiles were there in the box at first? more

Resolved Question: Do You Know Spain Had A Striker Equal Or Better Than Raul, Villa Or Torres?

His name was Emilio Butragueño. Nicknamed the Vulture for his ability to sniff out goals. He was Spain's record goal-scorer with 26 goals in 69 games (A very healthy record), before Raul finally overtook him, in more games played I must add. He had a good scoring ratio of 1 goal in every games for Real Madrid and won 6 La Liga titles, 2 UEFA Cups and 2 King's Cups. He is best remembered for this match below in the 1986 World Cup, where he was responsible for all of Spain's 5 goals against a very talented Denmark side. (He scored 4 and won the penalty in the other) http://www.youtube.com/watch?v=p8IazaDDZXw&feature=PlayList&p=D32B7C5504994A8E&playnext=1&playnext_from=PL&index=21 He was part of a group 5 players that came through the Real Madrid ranks, and was given his chance by another, if not most famous, Los Merengues striker - Alfredo di Stefano. The other four members were Manolo Sanchís, Martín Vázquez, Míchel and Miguel Pardeza. So the next time you rant and rave over David Villa, Raul or Fernando Torres, remember this outstanding striker that preceded them. more

Resolved Question: Checking deposits equal $100 million, banks have no excess reserves, and the required reserve ratio is 20%.?

What effect does a reduction in the required reserve ratio to 10% have on the lending ability of the banking system? A. Increases the lending ability of the banking system by $50 million B. Increases the lending ability of the banking system by $200 million C. Increases the lending ability of the banking system by $100 million D. Increases the lending ability of the banking system by $10 million more

Voting Question: Debt to Owners' Equity equals 100%?

I am working with a virtual organization in school and have was asked to determine the debt ratio for a specialty foods store. The balance sheet shows Total Liabilities of $746,290 and Owners Equity of $746,290. That would tell me that my answer is 100% - meaning that there is no debt used to fund the business. I do see Notes Payable (long term liabilities) of $630,000. Wouldn't that mean that there is financing involved. - Not sure that it matters but it is a sole propriatorship. more

Resolved Question: Explain the Men/Women ratio?

i'm just curious about how, throughout the world, boy/girl births stay stable. it's about a 50/50 ratio, i've heard. first, is this true? are more girls born than boys or vice versa? or is the birthrate about equal for each sex? second, assuming the rates are equal, is there biological evidence as to why? it seems like one of those beautiful things about life that doesn't make sense, but i don't know much about it. any answers appreciated, even if only relevant. more

Voting Question: I really need help with this math problem. it is pre-calc?

Refer to the figure below and mark all statements that are true. http://tinypic.com/r/2vjd10j/5 A.If the measure of is 1 radian, then the arc length is r. B.If the measure of is 60, then the arc length is r. C.The ratio of arc length to r is always equal to 1. D.If the ratio of the arc length to r is 1, then the measure of is 1 radian. more

Resolved Question: When two or more goods are being purchased, optimal consumption is achieved when:?

a. opportunity costs relative to utility are zero for all goods b. marginal utility equals zero c. the price elasticity of demand is greatest d. the ratio of marginal utility to price is the same for all goods more

Resolved Question: What is geometric sequence?

Which is true? A: The sum of any two consecutive numbers is equal. B: The difference between any two consecutive numbers will always give the same answer. C: The ratio of any two consecutive numbers is the same D: The numbers get bigger and bigger. more

Resolved Question: Ned is 4 years younger than Ralph. Jean's age is 8 years less than twice Ralph's age. Keisha is 8 years old..?

The ratio of Jean's age to Ralph's age equals the ratio of Ned's age to Keisha's age. What are the ages of Ralph, Ned, and Jean? I don't know how to figure this out.. more

Voting Question: How to find the measure of "feta" to the nearest degree, using trig ratios?

I've been on this for forty-five minutes :( . Let "feta" = x, because I don't know how to do the symbol =P . Find the measure of x, to the nearest degree, where 0degrees is less than or equal to x, which is less than or equal to 360degrees. a) sin(x) = 0.6485 b) cos(x) = -0.8219 Are the values on the other side of the equal side given in rads? Because I always convert them to degrees, thinking that I'm supposed to then make a triangle on the graph, and solve using one of the trig ratios, but for some reason it's always giving me reference angles which I can't even derive. Please show full work, and I'll try and learn from there. Thanks !@New answers. That's the reference angle, and that's where I'm going wrong. Because in the answer book, you have to use the reference angle and subtract it from 180 because there's two possible answers. But I don't understand why do you use the inverse of each to find the reference angle? How do they relate? more

Voting Question: What is the name of the formula to calculate the index of refraction?

What is the name for the formula that says the index of refraction is equal to the ratio of the speed of light to the phase velocity of the substance? It is named after some physicist, I think his name started with B. more

Voting Question: a patchwork quilt is made up of two different sized sqaures...?

a patchwork quilt is made up of two different sized sqaures. the length of the larger sqaure is twie the length f the smaller sqaure. how many of the smaller sqaures does it take to equal the area of one larger square? -2 -4 -8 two flags are in the shape of equilateral triang;es. the smaller one has a radius of 3 and the ratio of their areas is 4 to 9. what is the radius of the larger flag? -4 1/2 -2 -6 3/4 more

Voting Question: What is the currency difference from 1782 and now?

What would $5 million now be equal to back in 1782 and such... at best it'd be nice to get a ratio like $5 now = $1 back then so it's 5:1 more

Voting Question: The tangent of an angle is equal to the ratio of the? Multiple Choice!?

A) opposite side over the hypotenuse B) hypotenuse side over the opposite side C) opposite side over the adjacent side D) adjacent side over the hypotenuse more

Resolved Question: What colleges should I look at?

I'm starting to college search and i'm having a hard time. I'm looking for a school that is no further than 4 hours away from baltimore,MD. I need a school that I could major in Business and minor in dance. I want the male female ratio to be pretty equal and student population no more than 5,500. Any suggestions?? more

Resolved Question: Help with this one chemistry problem!?

what happens to the pH of the solution when the ratio of base is equal to the amount of acid?does it become neutral? I just need someone to confirm/deny this more

Resolved Question: Some basic pH questions?

Im having a bit of trouble understand pH, any help is appreciated Describe what occurs to the pH of a solution if an acid is added to it. What happens to the pH of the solution when the ratio of base is equal to the amount of acid? more

Resolved Question: Who can answer this one?

The money multiplier is equal to: Question 97 answers A. the ratio of the monetary base to the money supply. B. the ratio of the money supply to the monetary base. C. the money supply divided by the reserve ratio. D. none of the above. more

Resolved Question: math question, pleaseee help me.?

What number divided by -7 is equal to -15? The temperature in degrees Fahrenheit can be estimated by counting the number of times a cricket chirps in one minute. Count the number of chirps, divide by 4, and then add 37. Find the approximate temperature when a cricket chirps 124 times in a minute. Choose the correct trigonometric ratio. sin= -opposite angle ____________ adjacent angle -adjacent angle __________ hypotenuse -opposite angle _____________ hypotenuse Olympic volleyball player Bev Oden averaged 3.42 "kills" (spikes that end a rally) per game. Predict her number of kills in a 5 game match. You draw a card, replace it, then draw another card, independent or dependant? The distance that light travels in one year is approximately 9,460,000,000,000 kilometers. In scientific notation, this would be expressed as: The sum of the measures of the angles in a quadrilateral is ____ degrees. Evaluate this expression when s = 7, a = 5, m = 3, and t = 4 (s+1)(s2^-s+1) more

Resolved Question: help me on these problems so i can get outta summer school. PLEASEEEE..?

1]John inherited $5,000 from his grandfather. He put it in a savings account to buy a car when he turns 16. John is 13 right now. If his savings account earns 7% over the next 3 years, how much interest will he have earned? 2] .24 in percent form? 3] What number divided by -7 is equal to -15? 4] The temperature in degrees Fahrenheit can be estimated by counting the number of times a cricket chirps in one minute. Count the number of chirps, divide by 4, and then add 37. Find the approximate temperature when a cricket chirps 124 times in a minute. 5] Choose the correct trigonometric ratio. sin= -opposite angle ____________ adjacent angle -adjacent angle __________ hypotenuse -opposite angle _____________ hypotenuse 6] Olympic volleyball player Bev Oden averaged 3.42 "kills" (spikes that end a rally) per game. Predict her number of kills in a 5 game match. 7] You draw a card, replace it, then draw another card, independent or dependant? 8]The distance that light travels in one year is approximately 9,460,000,000,000 kilometers. In scientific notation, this would be expressed as: 9] The sum of the measures of the angles in a quadrilateral is ____ degrees. 10] Evaluate this expression when s = 7, a = 5, m = 3, and t = 4 (s+1)(s2^-s+1) PLEASE AN THANK YOU IN ADVANCE!!!!! more

Voting Question: Math Question!?!?!help?

Ned is 4 years younger than ralph. jeans age is 8 years less then twice raplhs age. keisha is 8 years old. the ratio of jeans age to ralphs age equals the ratio of neds age to keishas age. what are the ages of ralph, ned and jean ? more

Voting Question: True or False Questions: Please help me?

1.Financial management is concerned with the maintenance and creation of wealth. 2.The current ratio and the acid test ratio are both measures of financial leverage. 3.Sales occurring in the secondary markets increase the total stock of financial assets that exist in the economy. 4.The key ingredient in a firm’s financial planning is the sales forecast. 5.The present value of an annuity increases as the discount rate increases. 6. As the volume of production increases, the fixed cost per unit of the product decreases. 7.Whenever the IRR on a project equals that project’s required rate of return, the NPV equals zero. 8.The hedging principle involves matching the cash flow from an asset with the cash flow requirements of the financing used. 9.Because they operate within a highly uncertain environment, utilities hold a large percentage of their total assets in cash. 10.Accounts receivable are an asset that reflects sales made on credit. 11.Working capital for a project includes investment in fixed assets. 12.Sales captured from the firm’s competitors can be relevant to the capital-budgeting decision. 13.The weighted average cost of capital is the minimum required return that must be earned on additional investment if firm value is to remain unchanged. 14.The firm financed completely with equity capital has a cost of capital equal to the required return on common stock. 15.Financial structure includes long-term and short-term sources of funds. 16.Real assets should be financed with temporary capital due to the short-term nature of depreciation expense. 17.The nature of a firm’s assets has a major influence on the types of financial capital a firm uses. 18.Compared with other developed countries, the U.S. is particularly reliant on foreign trade for self-subsistence. 19.The foreign exchange market is similar in form to the New York Stock Exchange. 20.The efficiency of foreign currency markets is ensured, in large measure, by the process of arbitrageurs. 21.Foreign currency forward rates aid traders by reducing uncertainty regarding future market fluctuations. 22.Capital markets in foreign countries in general are becoming more integrated due to the widespread availability of interest rate and currency swaps. more

Voting Question: I hate this math shit can anyone help?

The average of 6 integers is less than 30. If the average of the first 5 integers is 25, what is the greatest possible value of the 6th integer? 4 5 53 54 55 Which of the following is the smallest fraction? 4/16 2/9 1/3 7/6 7/11 Which of the following is the largest fraction? 1/9 7/12 2/8 1/4 3/8 Which of the following groups contains three fractions that are equal? 1/2, 1/4, 1/8 1/2, 2/4, 5/8 2/3, 4/9, 8/27 2/3, 6/9, 12/18 4/5, 7/10, 16/20 The tax on a luxury item in Kansas is computed based upon 2% of the first $1000, 4% of the next $2000 and 5% thereafter. What would the tax be on a luxury item valued at $30,000? $200 $800 $1350 $1450 $5700 The value of Goodstudent stock increased from $300 a share to $600 a share. What was the percent of increase? 30% 60% 90% 100% 200% The ratio of white socks in a drawer to blue socks is 3:4. If there are 6 white socks in the drawer, how many blue socks are there? 8 7 6 4 3 A lab has 65 mice. Some are white and the rest are gray. Which of the following could be the ratio of white mice to gray mice in the lab? 1 : 3 5 : 8 5 : 11 3 : 4 5 : 12 more

Voting Question: Could someone pleasse answer this math question I have? BEST ANSWER!!!!?

The formula to find the sum of a geometric series is the following:a1(1-r^n)/ (1-r). a1 is the first term and n is the number of terms. My question is: Is the common ratio (r) always equal to i in the above formula? Please explain.Thanks a lot:) more

Voting Question: Could you please answer this statistics question?

The bad debt ratio for a financial institution is defined to be the dollar value of loans defaulted divided by the total dollar value of all loans made. Suppose that a random sample of seven Ohio banks is selected and that the bad debt ratios (written as percentages) for these banks are 7%, 4%, 6%, 7%, 5%, 4% and 9%. The bad debt ratios appear to be normally distributed. Below is the MegaStat output of a hypothesis test. MegaStat Output: Hypothesis Test: Mean vs. Hypothesized Value 3.50 hypothesized value 6.00 mean Bad Debt Ratio 1.83 std. dev. 0.69 std. error 7 n 6 df 3.62 t .0055 p-value (one-tailed, upper) Part A. What are the null and alternate hypotheses? Part B. Use the p-value to test this hypothesis by setting alpha equal to 0.05. What do you conclude? Part C. How much evidence is there that the mean bad debt ratio for Ohio banks exceeds 3.5 percent? more

Resolved Question: Photoelectric effect question?

Two beams of monochromatic light have equal intensities. Beam A wavelength = 300nm, Beam B wavelength = 450nm. What is the ratio of the number of photons passing per second through unit area normal to the beam (Na/Nb)? The answer is 2/3, with the explanation that N is inversely proportional to photon energy. I know that the ratio of photon energies is 3/2 and why, I just don't get why the ratio of N is 2/3 if they have equal intensities... help please!Just realised it's not really a question about the photoelectric effect, just one about particle theory I guess. Oops.kirchwey, thanks I think I get it after thinking about in terms of energy. Equal intensity, so the individual photon energies of the beams will equal at any time, so Ea/Na = Eb/Nb --> Nb/Na = Ea/Eb. Right? Also I realised (belatedly) that it I could have just thought that the freq of A was higher, therefore more photons per second. Surely after a given period of time, however, the total energies of the beam will be different because N will be different and individual photon energy is the same...or have I just confused myself even more... more

Resolved Question: geometry true or false?

true or false the ratio of the areas of 2 circles that are not equal is the same as the ratio of the lengths of the 2 circles more

Resolved Question: PHYSICS ELECTRICITY HELP??!!!QUICK!?

help me on these problems so i can finally understand!!! 1. electromagnetic waves do not need a __ to travel a) medium b) frequency c)source d)velocity 2. which forces must be equal in order to determine the velocity of a charged particle? a)electric,magnetic b)gravity,magnetic c)electric,air resistance d)gravity,electric 3. matter is not affected by all frequencies of waves a)true b)false 4.upon striking matter which of the following electromagnetic waves accelerates electrons in the molecules of the matter producing thermal energy? a)x rays b)microwave c)radio waves 5.which particle has the greatest mass.charge ratio? a)electron b)proton c)alpha particle thank you very much! I NEED THIS VERY URGENT!! more

Voting Question: Return on equity question?

Lloyd Inc. has sales of $200,000, a net income of $16,000, and the following balance sheet: Cash $42,920 Accounts payable $58,000 Receivables 78,880 Other current liabilities 25,520 Inventories 278,400 Long-term debt 69,600 Net fixed assets 179,800 Common equity 426,880 Total assets $580,000 Total liabilities and equity $580,000 The new owner thinks that inventories are excessive and can be lowered to the point where the current ratio is equal to the industry average, 1.75x, without affecting either sales or net income. a. If inventories are sold off and not replaced thus reducing the current ratio to 1.75x, if the funds generated are used to reduce common equity (stock can be repurchased at book value), and if no other changes occur, by how much will the ROE change? more