Translate the sentence into an equation using the variable x. Do not solve the equation. State what the variable represents.The total of her age and twice her age is 36.
A. x + 3x = 36, where x is her age
B. x + 2 = 36, where x is her age
C. x + 2x = 36, where x is her age
D. x + 2(36) = 36, where x is her age
Answer: C
Mathematics
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Write as a percent.
A. 1
%
B. 72
%
C. 14
%
D. 145
%
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Provide an appropriate response.What is the midpoint of the segment joining (c, y) and (-5c, 7y)?
A. (2c, 3y) B. (-2c, 4y) C. (-4c, 8y) D. (-3c, 4y)
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Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 + 2x2 - 15x - 36
A. (x + 3)(x + 3)(x - 6) ; -3, -3, 6 B. (x + 3)(x + 3)(x - 4) ; 3, 3, -4 C. (x + 3)(x + 3)(x - 4) ; -3, -3, 4 D. (x - 3)(x - 3)(x + 4) ; -3, -3, 4
Mathematics
Solve the equation.2.4n = -14.88
A. -7.2 B. -6.2 C. -0.62 D. 62
Mathematics