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den301095 [7]
3 years ago
9

Square root symbol 640 to the nearest hundreth

Mathematics
2 answers:
Vitek1552 [10]3 years ago
5 0
The square root of 640 is 25.29
spayn [35]3 years ago
4 0
25.3 is the correct answer.
Hope this helps!
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What should be added to twice a rational Number -7/3to get 3/7<br>​
saul85 [17]

Answer:

107/21

Step-by-step explanation:

re - phrase the question algebraically:

-14/3 + y = 3/7

LCM of 3 and 7  = 21

-98/21 + y = 9/21

what should be added to -98 to make 9?

answer: 107

therefore answer: 107/21

Hope this helps.

Good Luck

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3 years ago
Any time Speedy the Sloth is not sleeping, she drinks chamomile tea at a steady rate of 2/7 of a cup per hour. Yesterday, she dr
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<u><em>Answer:</em></u>

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<u><em>Explanation:</em></u>

<u>We are given that:</u>

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<u>This means that:</u>

Number of cups she drank today = 1+\frac{17}{42}=1\frac{17}{42}cups

Now, we know that she drinks \frac{2}{7} of a cup per hour any time she is not sleeping

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?? hours ......................> 1\frac{17}{42} cups

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This means that she was awake for 4\frac{11}{12} hours

<u>Finally, we convert this to minutes:</u>

Knowing that 1 hour has 60 minutes, therefore:

She stayed awake for 4\frac{11}{12} * 60 = 295 minutes

Hope this helps :)

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Step-by-step explanation:

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