Lets x = width
height = 2x - 4
A = 1/2 b h
63 = 1/2 (x)(2x-4)
126 = 2x^2 - 4x
2(x^2 - 2x - 63) = 0
2(x - 9)(x + 7) = 0
x - 9 = 0; x = 9
x + 7 = 0; x = -7
so width = 9
height = 2(9) - 4 = 18 - 4 = 14
answer
width = 9 in
height = 14 in
Answer:
C. 148
Step-by-step explanation:
Equation: (12,000-8,448)÷24=x
12,000-8448=3552
3552÷24=148
x=148
Answer:
A, E,C AND D
Step-by-step explanation:
4x+6-3x+1
Combine like terms:
x=7
