"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. "

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?

"ldentify an operational improvement initiative in your work area. Using the project management life-cycle framework as a guide, prepare a plan to implement this project. Ensure you discuss the following:a. Prepare a brief project definition document.b. Your plan for managing stockholder input/influencec. What risks might be present and how you intend to manage it.d. Generally how the performance criteria of time, cost and quarity wiil bemanaged/controlle...

"Conduct a two tailed hypothesis test given the information below. Assuming that the population standard deviations are unknown but equal for male and female GPA, use the following sample data to test whether the GPA are different at the 0.05 level of significance.Male GPA'sSample size 13Sample mean 3.6Sample standard dev 0.4Female GPA'sSample size 16Sample Mean 3.8Sample standard dev 0.7"

"Using NPV calculations, show the present value of the present collection experience.B. Calculate the NPV of the proposed 2/10, net 30 terms.C. Based on your NPV analysis, should Mississippi Delta Inc. adopt the cash discount?"

"1. Why are we seeing basic skills training becoming more important to U.S. firms?2. A newly graduated high school senior has come to you for employment advice. What would you tell them would be the most key action item(s) they can take as they prepare for their future career?"

a. What is the application rate for the maintenance department?b. What is the additional cost to the maintenance department of providing another hour of maintenance?

The rich countries are resorting to fiscal stimulus to increase aggregate demand to fight the current recession. Discuss the feasibility of lower middle or low income countries resorting to fiscal stimulus to stave off recessions in their own economies. You can use one or more countries as examples.(Hint: Ask the following questions: How much should be additional spending and how much tax cuts? From where can the government borrow money? How much? On what kind of projects should the...

"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?"

I need the formula and answer for this question. The battery capacity is 60 Ampere-hour. The current drawn is 4 amps. How long does it take to be fully discharged?

"The plant Chloroplastia centruniversiae appears in two forms in the woods individuals has all green or all white leaves. The white leaf form lives for only three days as it cannot photosynthesize. All C. centruniversiae seeds germinate, produce leaves within 1 day, and one day later are flowering; thus white and green leafed individuals can cross and produce F1.Chlorophyll biosynthesis is dependent upon the expression of the C gene. The X gene encodes a transcription factor require...

"The total monthly cost for a small manufacture of swimwear is given by the equationC(x) = 10,000+4X – 0.001X2"