Indicate whether the value of x shown is a solution to the given equation by answering true or false.Value of x: 20
Equation: 2(x + 7) = 3(x - 2)
A. True
B. False
Answer: A
Mathematics
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Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 - x
A. ; x2 -
x +
=
2
B. ; x2 -
x +
=
2
C. ; x2 -
x +
=
2
D. ; x2 -
x +
=
2
Mathematics
Factor by grouping.x2 + 2x + 6x + 12
A. (x - 2)(x + 6) B. (x - 2)(x - 6) C. (x + 2)(x + 6) D. (x + 2)(x - 6)
Mathematics
Solve the equation.-0.08y + 0.13(500 - y) = 0.29y
A. y = 130 B. y = 325 C. y = 260 D. y = 32.5
Mathematics
Find the equations of the system shown on the graphing calculator screen.10-10
A. y = 2x + 1 y = -0.3x - 5.9 B. x + y = 1 x - 3y = -9 C. 5x + y = 20 2x - y = 1 D. 2x + y = 1 5x - y = 20
Mathematics