Translate the phrase to an algebraic expression. Use x to represent "a number."Multiply a number by -15.

A. x ÷ (-15) or 
B. (-15) ÷ x or 
C. -15 + x
D. x ? (-15) or -15x


Answer: D

Mathematics

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A.  + C
B.  + C
C.  + C
D.  + C

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Simplify, if possible, by combining like terms.-5a + 7a + 6a

A. 2a2 + 6a B. 2a + 6 C. 8a3 D. 8a

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Find the distance d(P1, P2) between the points P1 and P2.P1 = (0, 0); P2 = (-10, -2)

A. 12
B. 104
C. 2
D. 2

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For problems 1-12, use the zero product property to solve each equation.

A.
B.
C.
D.
E. no solution

Mathematics