Calculate the value mentally.

A. 1,000
B. 100
C. none of these
D. 10


Answer: A

Mathematics

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An efficiency study conducted for a company showed that the number of devices assembled by the average worker t hr after starting work at 7 A.M. is given by ? ? At what time during the morning shift is the average worker performing at peak efficiency? ?

A. At 9 A. M. the average worker is performing at peak efficiency. B. At 10 A. M. the average worker is performing at peak efficiency. C. At 7 A. M. the average worker is performing at peak efficiency. D. At 8 A. M. the average worker is performing at peak efficiency.

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Evaluate the following improper integral whenever it is convergent. ? ?

A.
B.
C.
D. ?
E. the integral is divergent

Mathematics

Evaluate the expression  for the given values of the variables.x = -21.06, y = 45

A. -0.468 B. -0.478 C. -4.68 D. -4.78

Mathematics

Solve the problem.The position of an object moving in a straight line is given by  where s is in meters and t is the time in seconds the object has been in motion. How far will an object move in 11 seconds?

A. 726 m B. 44 m C. 484 m D. 1254 m

Mathematics