Solve the problem.The capacitance of a capacitor is 180 ?F for f = 160 Hz. What is the reactance?
A. 90,477.8 ?
B. 180,955.7 ?
C. 180 ?
D. 34.7 ?
Answer: B
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Subtract.-9.7 - 12.1
A. 2.4 B. -2.4 C. 21.8 D. -21.8
Solve the problem.A rectangular board is 6 ft by 10 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board? Round your answer to the nearest tenth.
A. 3.0 ft B. 2.0 ft C. 1.0 ft D. 4.0 ft
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 20; exact: 19.61 B. Estimate: 199; exact: 195.1 C. Estimate: 200; exact: 196.1 D. Estimate: 201; exact: 197.1
The circle graph below shows the number of pizzas consumed by college students in a typical month. Use the graph to answer the question. 
If State University has approximately 40,000 students, about how many would you expect to consume 5-6 pizzas in a typical month?
A. 13,600 students B. 1360 students C. 7200 students D. 720 students