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RoseWind [281]
3 years ago
12

Eight pipes were turned on to fill the pool in 36 hours. Then, after 12 hours some of the pipes were turned off, and the rest of

the pool was filled in 32 hours. How many pipes were turned off?
Please show your work
Mathematics
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

4 pipes (im pretty sure)

-but i hope this was correct and if not i hope it at least helped have a good rest of your day :)

Step-by-step explanation:

because 36 - 32= 34

vekshin13 years ago
8 0

6 or 7 i would think. hope that helps.

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Midpoint R(-4,6) and S(2,7)
shusha [124]

To find the midpoint, Add the two X coordinates together then divde by two and then to the same with the Y coordinates:


X = -4 + 2 = -2 / 2 = -1


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5 0
4 years ago
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Alex17521 [72]

Answer: 300

Step-by-step explanation:

Given , An electronics retailer receives a shipment of 6,000CDs to distribute to its stores.

i.e, Total CD's he has now = 6,000

Also, a quality control manager inspects a random sample(S) of 40CD's , the number of defective(D) CD's are 2.

Then , the proportion of defective( D) CD's = \dfrac{D}{S}=\dfrac{2}{40}=0.05

Now , the number of CDs in the shipment are likely to be defective = ( Total CD's) x (proportion of defective CD's)

= 6000 x 0.05

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Hence, the number of CDs in the shipment are likely to be defective  =300

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3 years ago
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Which of the following is the best estimate of square root <br> 90
valkas [14]
The answer should be 9
3 0
3 years ago
How do you write 3.431 as a percentage
Sophie [7]

Answer:

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7 0
3 years ago
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Find two numbers whose sum is 114 and the difference is 58. <br> (written as an equation please)
diamong [38]

⇒

x + y = 114

x - y = 58

Add the equations downward:

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Answer: The two numbers are 28 and 86.

<em>Please mark me brainliest</em>

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