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Aleks04 [339]
3 years ago
11

It takes 20 minutes for 5people to paint 5 walls. How many minutes does it take 9 people to paint 9walls?

Mathematics
1 answer:
juin [17]3 years ago
8 0

Answer:

20 minutes.

Step-by-step explanation:

Since it takes 5 people to paint 5 walls 20 minutes, that means that it would take 1 person 20 minutes to paint 1 wall. That also means that 2 people would take 20 minutes to paint 2 walls. So, it would take 9 people 20 minutes to paint 9 walls.

Hope this helps!

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Solve the equation √x+9 - 9 = -4 show each step of your solution process
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Answer:

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Step-by-step explanation:

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Square both sides, obtaining:   x + 9 = 25.

Subtract 9 from both sides:  x = 16

Note that √(16+9) - 9 = -4, as required.


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3 years ago
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vivado [14]
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Answer:

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Step-by-step explanation:

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False

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3 0
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Answer:

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