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faltersainse [42]
3 years ago
11

A rectangular picture frame is 5 inches wide and 10 inches tall. You want to make the area 6 times as large by increasing the le

ngth and width by the same amount. Find the number of0 inches by which each dimension must be increased.
​
Mathematics
1 answer:
kap26 [50]3 years ago
8 0

Answer:

5 inches

Step-by-step explanation:

(5 + x)(10 + x) = 6x²

x² + 15x + 50 = 6x²

5x² - 15x + 50 = 0

x² - 3x + 10 = 0

(x - 5)(x + 3) = 0

x = 5, x = -3

We want x to be positive, so x = 5.

Thus, each dimension must be increased by 5 inches.

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