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OlgaM077 [116]
2 years ago
14

The area of a square playground (in square feet) can be represented by x2 - 30x + 225. How many feet is the perimeter of the pla

yground if x = 25?
Mathematics
1 answer:
likoan [24]2 years ago
8 0

Answer:

40

Step-by-step explanation:

Substitute 25 for x

{25}^{2}  - 30(25) + 225 = 100

100 is the area of the square so that means

10 is the side length of each side of the square.

Multiply 4 by 10 to get the perimeter.

4 \times 10 = 40

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