Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a cylinder with radius 5 cm and height 7 cm.

A. 549.5 cm3
B. 376.8 cm3
C. 188.4 cm3
D. 266.9 cm3

Answer: A

Mathematics

Find the value.If F(x, y) = , find Fx(-4, -9) and Fy(-4, -9).

A. F_x(-4, -9) = - , F_y(-4, -9) =
B. F_x(-4, -9) = , F_y(-4, -9) =
C. F_x(-4, -9) = , F_y(-4, -9) = -
D. F_x(-4, -9) = , F_y(-4, -9) = -

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Mathematics

Find the volume of the indicated region.the region bounded by the cylinders and the planes

A. 56? B. 28? C. 112? D. 84?

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Mathematics

Evaluate the determinant.

A. 66 B. -42 C. 51 D. -66

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Mathematics

Solve the problem.Suppose that an honest coin is tossed ten times. What is the probability that at least twice it comes up heads?

A.
B.
C.
D.
E. none of these

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Mathematics