Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.

A. 6?
B. ?
C. ?
D. ?


Answer: C

Mathematics

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Provide an appropriate response.Graph the following equation:  y = x - 1 using the slope and y-intercept. 

What will be an ideal response?

Mathematics

Factor completely. If a polynomial cannot be factored, say it is prime.-16x3 + 44x2 - 10x

A. x(2x - 5)(-8x + 2) B. -2(2x2 - 5)(4x - 1) C. -2x(2x - 5)(4x - 1) D. x(-4x + 10)(4x - 1)

Mathematics

Find the root. Assume any variable or expression represents a non-negative number.

A. (3x - 7y)5
B. (3x - 7y)8
C.
D. (3x - 7y)4

Mathematics

Solve the equation graphically.- x -  = 2Values of - x - 

A. -4
B. - 
C. - 2
D. -3

Mathematics