For a full wave rectified sine wave, what is the average current if IPK = 420 mA?
a. 105.0 mA
b. 133.6 mA
c. 210.0 mA
d. 231.9 mA
e. 267.4 mA
e. 267.4 mA
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Solve the problem.Ron can mow the lawn in two hours more time than Paul. Working together they can mow the lawn in 7 hours. How long does it take each of them working alone? Round your answers to the nearest tenth of an hour, if necessary.
A. Paul: 15.1 hr Ron: 13.1 hr B. Paul: 16 hr Ron: 12 hr C. Paul: 12 hr Ron: 16 hr D. Paul: 13.1 hr Ron: 15.1 hr
Factor completely. If the polynomial is prime, state so.x4 - 625
A. prime B. (x2 - 25)(x2 - 25) C. (x2 + 25)(x2 + 25) D. (x2 + 25)(x + 5)(x - 5)
Solve the problem.Shannon has thirteen 500-calorie hikes per month. Will this be enough to burn off her snack of two espresso coffees (65 calories each) and two raisin scones (40 calories each) per day? Assume a 30-day month.
A. Yes B. No
Find the least common denominator.
- 
A. (5x - 7) or (5x + 7) B. 20x(11x + 15)(5x - 7)(5x + 7) C. 20x(11x + 15) D. (5x - 7)(5x + 7)