Simplify.

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.Find the mass of a solid right circular cylinder of radius 5 and height 4 if its density at any point is proportional to the square of the distance from that point to the lateral edge of the cylinder.

A. ?k
B. ?k
C. 1250?k
D. ?k

Mathematics

Solve the problem.A 25-kg mass is attached to a spring that hangs vertically and is stretched 2 m from the equilibrium position of the spring. Assume a linear spring with F(x) = kx. How much work is required to compress the spring and lift the mass 1 m? Round to four decimal places when appropriate.

A. 183.75 J B. 275.625 J C. 30.625 J D. 428.75 J

Mathematics

Solve the problem.Find the image of the given figure under the reflection that sends P to P'.

A.

B.

C.

D.

Mathematics

Use substitution to determine whether the given x-value is a solution of the equation.cos x + 1 = sin x, x = 

A. Yes B. No

Mathematics