-4x^2-5(x+3)+x^2 :
-4x^2-5x-15+x^2
-3x^2- 5x -15
Answer:
Ratio =
= 
Step-by-step explanation:
The perfect squares from 1-30 are:
1, 4, 9, 16, 25
Total no. of perfect squares = five =5
Total no. of non perfect squares = 30-5 = 25
Ratio =
= 5 / 25 = 
x - 9 -9x -x
----- ( ----- ) = ------ = ------
108 4 432 48
Answer:
D) 112
Step-by-step explanation:
Isolate the x. Multiply 0.7 to both sides
(x/0.7)(0.7) = (160)(0.7)
x = (160)(0.7)
Multiply
x = 160 * 0.7
x = 112
D) 112 is your answer
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