-9-2(7-4x) What is the answer?
2 answers:
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Answer:
11 meters.
Step-by-step explanation:
The important thing to note here is that the backyard is a square. Since it's a square, all of its sides all equivalent in length. Thus, let's find the length of the sides. To do this, we use the area formula.
The formula for the area of a square is:
Where <em>n</em> is a side. Since we know the area already, we can find n. Find <em>n: </em>
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Since every side in a square are equivalent, all sides are 11 meters in length.
Therefore, each section of the fence should be 11 meters long.