Use cylindrical coordinates to find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder  and above by the plane 

A. ?
B. 27?
C. ?
D. 81?


Answer: B

Mathematics

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Find the product.5x8(-12x9 + 4x7 - 10)

A. -60x9 + 20x7 - 50 B. -60x17 + 20x15 - 10 C. -60x17 + 4x7 - 10 D. -60x17 + 20x15 - 50x8

Mathematics

Solve the application problem.The floor of a rectangular storage room is divided into two right triangles by drawing a diagonal. One leg of the resulting triangle, the width of the room, is  less than two times the other leg, the length of the room. The hypotenuse is  Find the length and the width of the room.

A. length: 9 ft width: 12 ft B. length: 12 ft width: 18 ft C. length: 9 ft width: 24 ft D. length: 9 ft  width: 3 ft

Mathematics

Solve the inequality. Express your answer using interval notation.-12 ? -2x - 2 ? -10

A. [4, 5]

B. [-5, -4]

C. (4, 5)

D. (-5, -4)

Mathematics

The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the value of the indicated trigonometric function at t.?Find cot t.

A. - 
B.
C.
D. - 

Mathematics