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NNADVOKAT [17]
3 years ago
10

Help me plz fast and I will mark the brainiest

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
6 0

Answer:

a is the answer -3

Step-by-step explanation:

-3 (-3) ^2 =81

have a nice day

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What is the result when the number 20 is decreased by 75%?\
Viefleur [7K]

Answer:

5

Step-by-step explanation:

If 20 is <em>decreased </em>by 75%, you would have to do 20×0.25 because 1.00-0.75= 0.25. Therefore, the answer to your question would be 5.

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3 years ago
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Sonbull [250]

Answer:

\sqrt{37}

Step-by-step explanation:

The distance d between a point (m , n ) and a line in the form

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   = \frac{|36-2+3|}{\sqrt{36+1} }

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   = \frac{37}{\sqrt{37} } × \frac{\sqrt{37} }{\sqrt{37} }

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7 0
3 years ago
Use radical notation to rewrite each expression and simplify<br> 9 3/2
scoundrel [369]

Answer:

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Step-by-step explanation:

The fractional exponent m/n is often translated to radical form as ...

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In this case, I find it easier to evaluate as ...

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7 0
3 years ago
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