Answer:
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<h3>
Answer: C) x = 80</h3>
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Work Shown:
Let's cross multiply to get the following
14/20 = 56/x
14*x = 20*56
14x = 1120
x = 1120/14
x = 80
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As a way to check the answer, we can type 14/20 - 56/80 into the calculator and we should get 0. I'm taking advantage of the rule that if A = B, then A-B = 0. This trick is handy to check if two sides of any equation are equal to one another.
Answer:
The length of the side of an equilateral traingle
inches
Step-by-step explanation:
Given that the area of an equilateral triangle is given by

It can be written as
Square inches (1)
To find the length of the side s os an equilateral triangle
Given that area of an equilateral triangle is
square inches
It can be written as

square inches
It can be written as

square inches (2)
Now comparing equations (1) and (2) we get


Dividing by
on both sides we get




Therefore
inches
Therefore the length of the side of an equilateral traingle
inches
Multiply parenthesis by -5
14x+10x-15 ( Collect the like terms)
The answer will be:
24x-15
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