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FrozenT [24]
3 years ago
6

Simplify. Write your answer using whole numbers and variables.

Mathematics
1 answer:
Andre45 [30]3 years ago
5 0

Answer:

q + 7

Step-by-step explanation:

(q² + 4q − 21) / (q − 3)

Factor the numerator:

(q + 7) (q − 3) / (q − 3)

Divide:

q + 7

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Absolute value of any number is always positive because it represent distance and distance will always positive.

To place chimney at  least 30 feet , the distance along the width of the roof  (x) will be  x = 17.5 feet or x = 2.5 feet.

Since, The height of the roof is described by the function f(x)=−4/3|x−10| + 40

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So , substitute f(x)=30 in above expression.

                 30=−4/3|x−10| + 40

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Taking negative case,

                          x−10 = - 7.5

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brainly.com/question/14473339

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Step-by-step explanation:

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