Find the work done in the given situation.A constant force F =  moves an object along a vector D = , where units are in pounds and feet.

A. 1253.3 foot-pounds
B. 1212 foot-pounds
C. -1212 foot-pounds
D. 384 foot-pounds


Answer: D

Mathematics

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Mathematics

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.0017 cm thick to a hemispherical dome with diameter 70 m.

Select the correct answer. a. 4.165? b. 2.52? c. 4.11? d. 3.82? e. 2.28?

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Simplify the expression. -  + 

A.
B. -1
C. 1
D.

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Solve for x and graph the results.6x + 1 ? 25 and x > -2

A.

B.

no solution
C.

D.

Mathematics