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Karolina [17]
1 year ago
10

A rectangular pen has a length 4 feet greater than its width. Find the area

Mathematics
1 answer:
Bas_tet [7]1 year ago
7 0

Answer:

b. x^2+4x

Step-by-step explanation:

So since you don't know the width, you can just represent it as a variable, and in this case that variable will be "x". Now using this variable we can use it to represent the length since there is a relationship between the width and length which is given. Since the length is 4 feet greater than the width, we can represent the length as (x+4). Now to find the area, we simply multiply the length * width, which is x * (x+4) = x^2 + 4x

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