Differentiate.(sin x)7

A. 7(sin x)6 cos x
B. 7(cos x)6
C. 7(cos x)6 sin x
D. 7(sin x)6


Answer: A

Mathematics

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Use exponential regression to determine what happens to y when t is increased by 1 unit. Round your answer to two decimal places.  t 1.20 3.89 6.59 9.00 11.14 y 3.60 6.62 16.08 31.92 61.67?

A. y is multiplied by 1.84. B. 1.84 is added to y. C. 1.34 is added to y. D. y is multiplied by 1.34.

Mathematics

Solve the problem.A theater has 975 seats divided into orchestra, main, and balcony. The orchestra seats cost $85, the main seats cost $55, and the balcony seats cost $45. If all the seats are sold, the revenue is If all the orchestra and balcony seats are sold and 3/5 of the main seats are sold, the revenue is  How many balcony seats does the theater have?

A. 300 seats B. 350 seats C. 325 seats D. 375 seats

Mathematics

Evaluate using a calculator.(-9)4 

A. 6561 B. -36 C. -6561 D. 36

Mathematics

Find the average of the list of numbers.87, 73, 56, 51, 80, 55

A. 65 B. 68 C. 67 D. 73

Mathematics