If I'm doing this right, I'm pretty sure the answer would be 7, since 0 + 1 = 1, 8 - 1 = 7, and 7 x 1 = 7.
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Answer:
53.7
Step-by-step explanation:
Move everybody to one side
minus 5x+2 both sides
x^2-5x-2=0
use quadratic formula where
if you have
ax^2+bx+c=0
x=

1x^2-5x-2=0
a=1
b=-5
c=-2
x=

x=

x=

aprox
x=5.372281323 or -0.3722813233
The triangle ADC and the triangle CDB are similar. Therefore:
Answer: A 4.5
Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.