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scoundrel [369]
3 years ago
13

I will give Brainiest For The Correct answer

Mathematics
1 answer:
svlad2 [7]3 years ago
3 0

(A−5)(A+4) I think that is the right answer

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Bingel [31]

Answer:

lateral

Step-by-step explanation:

8 0
3 years ago
Expand and simplify (k-3)^7
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4 years ago
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7 0
3 years ago
A pump can fill a swimming pool in 8 hours. The pool also has a drain that can empty the pool in 10 hours. If someone turns on t
cluponka [151]

Answer:

40 hours will it take for the pool to fill.

Step-by-step explanation:

A pump can fill a swimming pool in 8 hours.

Work done by pump to fill in 1 hour is  \frac{1}{8}

The pool also has a drain that can empty the pool in 10 hours.

Work done by pump to drain in 1 hour is  \frac{1}{10}

If someone turns on the pump to fill the pool, but forgets to shut the drain.

Work done by both pipe in 1 hour is

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W=\frac{10-8}{80}

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Both pipe filled \frac{1}{40} part of pool in hours = 1

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Therefore, 40 hours will it take for the pool to fill.

7 0
3 years ago
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