Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.12(6z + 5) - 2

A. 72z + 36
B. 18z + 15
C. 72z + 3
D. 72z + 58


Answer: D

Mathematics

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A. True B. False

Mathematics

Use synthetic division to find the quotient and the remainder.(2x5 - x4 + 3x2 - x + 5) ÷ (x - 1)

A. Q(x) = (2x4 + x3 + 4x2 + 3x); R(x) = 8 B. Q(x) = (2x4 + x3 + x2 + 4x + 3); R(x) = 8 C. Q(x) = (2x4 - 3x3 - x); R(x) = 6 D. Q(x) = (2x4 + x3 - x2 + 2x + 1); R(x) = 6

Mathematics

Solve the problem.If two sound sources at the same volume are equidistant from a microphone, the pressure on the microphone is given by p = a cos ?1t + a cos ?2twhere a, ?1, ?2 are constants and t is time. Write p as a product of cosine functions.

What will be an ideal response?

Mathematics

Graph the function.y =  cos x

A.

B.

C.

D.

Mathematics