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Aleks [24]
3 years ago
10

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.
Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0

Answer: A=2.5x^{2}


Step-by-step 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}


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