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The house has a form of a rectangle with one side two and a half times as long as the other side. a Construct the expression for the area of the rectangle in terms of x, where x denotes a shorter side of the rectangle.

User Shanison
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Answer:
A=2.5x^(2)


Explanation:

1. Let's write the following formula for calculate the area of a rectangle:


A=yx

Where
y is the lenght (the longer side) and
x is the width (the shorter side).

2. You know that the length is 2.5 times as long as the other side, which indicates a multiplication. Then:


y=2.5x

3. So, you must substitute
y into the equation for calculate the area of the rectangle and then you must simplify.

4. Then, you obtain the following expression:


A=(2.5x)(x)\\A=2.5x^(2)


User Tiagojco
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