3/4x+2-1/3x=12 What is the answer?
1 answer:
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Answer:
The length of 2 wires are 13 feet and 12 feet [i don't know if the 3rd side is a wire, if so, the length is 5 feet]
Step-by-step explanation:
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As we can see, it creates a right triangle with "x+8" side being the hypotenuse of the triangle.
The pythagorean theorem tells us:
Hypotenuse^2 = Leg^2 + Leg^2
THe hypotenuse is "x+8", the two legs are "x" and "x+7" respectively. Let's solve for x:
We expand and solve for x:
Length can't be negative, so x = 5.
Hence, the 3 sides of the triangle are:
x = 5
x + 8 = 13
x + 7 = 12
The length of 2 wires are 13 feet and 12 feet
