In the circuit shown, XL = 6 Kê and R = 4 Kê. Find the angle that the voltage leads the current.
56.3ø
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Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is more than 813?
A. approximately 84% B. approximately 75% C. approximately 16% D. approximately 25% E. none of these
Multiply and simplify. Assume that all variables represent positive real numbers.(3
)2
A. 9y
B. 9
C. 3y2
D. 9y2
Find the indicated term of the arithmetic sequence.11, 2 , -7, -16, . . . ; a20
A. -160 B. 169 C. -169 D. 160
Solve the problem.A sprinkler rotates back and forth through an angle ?, as shown in the figure. At a distance of 6 feet from the sprinkler, the rays that form the sides of angle ? are 10 feet apart. Find ?.
A. 30° B. 59° C. 40° D. 80°