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Brut [27]
3 years ago
11

Please help with math

Mathematics
1 answer:
bezimeni [28]3 years ago
4 0

Answer:

First, third, and fourth one would be the answers.

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Find the square root by factor <br>21904 
mihalych1998 [28]
21904|2\\10952|2\\.\ 5476|2\\.\ 2738|2\\.\ 1369|37\\.\ \ \ \ 37|37\\.\ \ \ \ \ \ 1|\\\\21904=2\times2\times2\times2\times37\times37=2^4\times37^2\\\\\sqrt{21904}=\sqrt{2^4\times37^2}=\sqrt{2^4}\times\sqrt{37^2}=2^2\times37=4\times37=148



\sqrt{21904}=\sqrt{4\times5476}=2\sqrt{4\times1369}=2\times2\sqrt37\times37}=4\times37=148

8 0
4 years ago
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Test worth 70 points test score of 90%
diamong [38]
To calculate how many points this person got, take 90% of the total:

0.9(70) = 63

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zysi [14]

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Step-by-step explanation:

See the attached above.

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4 0
3 years ago
Alice works 42 hours, is paid $2.65 per hour, and receives $540.50 in tips. How much did Alice earn?
Talja [164]

Answer:

$651.8

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Alice earns $2.65 per hour

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