2 years ago

Please help me with this problem I'll mark brainliest!

Mathematics

1 answer:

Mekhanik [1.2K]2 years ago

7 0

Answer:

option C (3 - x)(x + 3)

Step-by-step explanation:

[(9 - x²) / 3x] / [(x² + 6x + 9) / 3x]

multiply by 3x/3x = 1

(9 - x²) / (x² + 6x + 9)

factoring

(3 - x)(3 + x) / (x + 3)(x + 3)

(x + 3) is common

(3 - x) / (x + 3)

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The original rectangle has a perimeter of 16

svet-max [94.6K]

12.4 / 6.2 = 2

so other side of enlarged rectangle = 1.8 x 2 = 3.6

Perimeter of enlarged rectangle = 2(3.6 + 12.4) = 32

Answer: 32 feet

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Another way to do:

12.4 / 6.2 = 2

SF = 2

The original rectangle has a perimeter of 16

Perimeter of the enlarged rectangle = 16 x 2 = 32

Answer: 32 feet

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