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2 years ago

Find the midpoint of the line segment joining the points (10, 13) and (−7, 7).

Mathematics

1 answer:

krek1111 [17]2 years ago

3 0

Answer:11.5and 0

Step-by-step explanation:

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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

$W=\frac{1}{8}-\frac{1}{10}$

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

$W=\frac{2}{80}$

$W=\frac{1}{40}$

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

Both pipe filled complete pool in hours = $\frac{1}{\frac{1}{40}}=40$

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

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3 years ago

67 times a number minus 65 is equal to -4 less than the number

sashaice [31]

Answer:

Translation is 67x-65=x-4, you can use any variable for the number.

Step-by-step explanation:

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2 years ago

Noelle's bill was $5.56 for her breakfast sandwich, plus tax. If tax is 12%, how much, in total, did she pay

Ugo [173]

Answer:

$6.23

Step-by-step explanation:

5.56*1.12=6.2272

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3 years ago

Find the elapsed time between 8:25 am and 10:52 am

Levart [38]

2 hours and 27 minutes

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3 years ago

What would 23 divided by 6 = 3 R5 look as a mixed number?

masha68 [24]

23/6 = 3 and 5/6. You would just put the remainder over the number you divided by

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3 years ago