The answer to the equation is 9 I hope this helps you
Answer:
x = 7
Step-by-step explanation:
The larger triangle is twice as big as the smaller triangle. Therefore, the length of the side EF is twice as large as the side YZ.
I multiplied 4.5 (the length of YZ) and 2 to get 9. The value of side EF is 3x-12 and should be equivalent to 9.
3x - 12 = 9
I solved this equation by adding 12 to both sides and dividing 3 on both sides.
The value of x is 7.
You take 1.2 and multiply it by 1.29, which gives you the answer, which is $1.55
If f(x) = 2x -6+4
Then
f(-2) = 2(-2) -2
f(-2) = -6
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