Answer: x=-2
Step-by-step explanation:
To solve for x, we want to isolate x.
-4(11x+2)=80 [distribute]
-44x-8=80 [add both sides by 8]
-44x=88 [divide both sides by -44]
x=-2
Now, we know that x=-2.
Answer: 72 ft
Step-by-step explanation:
Given
The width of a post is 
Posts are separated by 
chain
for 2 posts, length is 
for 3 posts, length is 
for 4 posts, it is 
i.e. 11 ft is adding on the addition of another post
for 7 posts it is 
Thus, the total length of the fence is 
Answer:
C
Step-by-step explanation:
C allows you to add 52 plus x to equal the WHOLE thing which is 170
5y+8
When you figure out what y is you plug it in and do PEMDAS.
But if it doesn't tell you what y is then the equation I wrote is the answer.
Answer:
B, because the equation of kinetic energy is = mv²
