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Nikitich [7]
3 years ago
7

Candy has to paint a fence if she can paint 2/3 of each section in 1/2 and hour and there are 9 sections how long will it take h

er to paint the entire fence
Mathematics
1 answer:
aev [14]3 years ago
5 0
Do you mean half an hour because if she can paint 2/3 of each section in half an hour, it would take her 3 hours to paint all 9 sections. I hope this is correct.
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Q) Without a calculator, we must estimate the value of the following expression:

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First, we estimate the value of √38. √38 is between √36 and √49, but close to √36 (since 38 is closer to 4 than it is to 9). Since √36 is 6, √38 is probably something like 6.1 or 6.2. Filling 6.2 in the expression and simplifying, we have this:

3-6.2=-3.2.

So, I expect the number 3 - √38 to be close to -3.2.

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Answer

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5 0
1 year ago
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3 years ago
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6 0
3 years ago
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