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Showing results for "homework help classof1"

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Showing 1 - 12 of 603 Results

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2013

EN

"Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Using per unit system, calculate: a. the secondary line voltage. b. the primary and secondary line currents when supplying this load. "

PriceS$ 8.35 SGD

2013

EN

Explain what appears to be the improved trade-off between inflation and unemployment in the U.S. What factors might improve the trade-off? What factors would make it worse?

PriceS$ 8.35 SGD

2013

EN

"Briefly explain why each of the following statements is true for a given economy over a given period of time:a. The dollar value of output equals the dollar value of income.b. The dollar value of income equals the dollar value of spending."

PriceS$ 8.35 SGD

2013

EN

"Take the following three row vectors: A = (1, 3), B = (7, 9), C = (7, 2)• Find the column vectors V = AT, W = BT, X = CT• Create the Matrix D such that A is the first row, B is the second row, and C is the third row• Create the Matrix E such that V is the first column, W is the second column, X is the third column• Does E = DT?"

PriceS$ 8.35 SGD

2013

EN

"Consider the standard simple regression model y= β0 + β1x +u under the gauss-Markov assumptions SLR.1 through SLR.5. the usual OLs estimators and are unbiased for their respective population parameters. Let β1 be the estimator of β1 obained by assuming the intercept is zero.i) Find E ( ) in terms of the xi, β0 and β1 . verify that β1 is unbiased for β1 when the population intercept (β0 ) is zero. Are there other cases where β1 is unbiased?ii) Find the variance ofβ .ii...

PriceS$ 8.35 SGD

2013

EN

"A 1200 kg car carrying two 110 kg football players travels over a bumpy ""washboard"" road with the bumps spaced 3.1m apart. The driver finds that the car bounces up and down with maximum amplitude when he drives at a speed of 4.2 m/s (approx 9.4 mph). The car then stops and picks up three more 110 kg passengers.By how much does the car body sag on its suspension when these three additional passengers get in?Express your answer using two significant figures."

PriceS$ 8.35 SGD

2013

EN

Record the journal entries necessary on Crain’s books for 2005 assuming that Crain uses the equity method to account for its investment in Downey.

PriceS$ 8.35 SGD

2013

EN

"The AC Corporation operates one central plant that has two divisions, the Flashlight Division and the Night Light Division. The following data apply to the coming budget year:Budgeted costs of the operating the plant for 10,000 to 20,000 hours:"

PriceS$ 8.35 SGD

2013

EN

What is infection? How is it related to or different than inflammation?

PriceS$ 8.35 SGD

2013

EN

"Tangency Portfolio Problem. From finance.yahoo.com collect 10 years of monthly returns for four stocks. Sample of 10 years of monthly data should be a pretty reasonable estimate of expected returns, variances, and covariances.Using this data, compute the tangency portfolio. You have to reporti. Weights of the individual stocks in the tangency portfolio;ii. Expected returns and volatilities of the individual stocks;iii. Variance-covariance matrix;iv. Expe...

PriceS$ 8.35 SGD

2013

EN

Write about “The Impact of Culture Differences on the Global Market”.

PriceS$ 8.35 SGD

2013

EN

"1. Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively.2. The Health Authority is worried that if the mean days absent in either clinic reach 20 days, it will have difficulties safely operating the clinics. Conduct separate hypothesis tests for Clinics A and B (at 95% confidence) that demonstrate whether they can be confident that absence is less than 20 days."

PriceS$ 8.35 SGD