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Evgen [1.6K]
3 years ago
6

I need help on number 12

Mathematics
1 answer:
goldenfox [79]3 years ago
7 0
First set up the equation, 82=(x)(x+7).
Then simply it 82= x^2 + 7x. --> x^2 + 7x - 82
use the quadratic formula. 

you should get 6.21 or -13.21.
Since length can't be negative, the answer should be 6.21feet.
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4 years ago
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Monica [59]

I believe the answer is,

As an improper fraction

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As a mixed number (mixed fraction)

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8 0
4 years ago
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Answer:

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