Turn 39% into a decimal
0.39
"of" means to multiply
so we get
0.39 * 72 = x
You would have to subtract 5 on both sides to isolate the variable.
-3x + 5 < 23
- 5 - 5
------------------
-3x < 18
divide both sides by -3.
-3x < 18
x > -6
Hope this helped!
If x' & x" are the roots (or x intercepts) of a quadratic equation, then it could be written:
y= (x-x')(x-x")
Since -6 & +6 are the roots of the quadratic function, then it could be written
as follows y= (x+6)(x+6) ===> y= x²-36. So the answer is B
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A) 80 x 12=$960
B) There is a 75% monthly rate
