Add.

A. 10,973
B. 10,863
C. 9963
D. 9873


Answer: A

Mathematics

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Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are isosceles right triangles with one leg on the base of the solid.

A. ?
B. 2?
C. ?
D. ?

Mathematics

Find the second derivative.y =  - 7

A. x2
B. x
C. 17x
D. 17x - 7

Mathematics

Provide an appropriate response.The value of a digit, in a number, is based on its position.

A. True B. False

Mathematics

Simplify.

A. Not defined B. 89 C. 0 D. 1

Mathematics