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Studentka2010 [4]
2 years ago
14

A rectangle has a length of x and a width of 5x +4 - x2. Find the perimeter of the rectangle when the length is 5 feet.​

Mathematics
1 answer:
gulaghasi [49]2 years ago
3 0

Answer:

18 feet

Step-by-step explanation:

Perimeter = 2(length + width)

=> 2(x + 5x + 4 - x²)

=> 2(6(5) + 4 - (5)²)

=> 2(9)

=> 18 feet

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