Make the following time conversion.144 hours to days
A. 72 days
B. 42 days
C. 6 days
D. 48 days
Answer: C
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Solve.A musician plans to perform 5 selections for a concert. If he can choose from 8 different selections, how many ways can he arrange his program?
A. 32,768 B. 40 C. 56 D. 6720
Solve the matrix equation AX = B for X by finding A-1, given A and B as follows. Use a graphing calculator to obtain your answer, rounding all numbers to four decimal places.A = , B =
A.
B.
C.
D.
Solve the problem.In the study of alternating electric current, capacitive voltage is given byVc = - cos 2?ft,where f is the number of cycles per second, i is the maximum current, and t is the time in seconds. Solve the equation for t.
A. t = 2?f arccos
B. t = 2?f cos
C. t = arccos
D. t = arccos
Find the limit, if it exists.
A. -4
B.
C. -5
D.