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STALIN [3.7K]
3 years ago
14

Which expression is equivalent to the square root of 1/8

Mathematics
1 answer:
irina1246 [14]3 years ago
4 0
When you say "which," it sounds like it should be multiple choice. Anyways, here's the simplified form of \sqrt{\frac{1}8}}

\sqrt{\frac{1}8}} = \frac{\sqrt{1}}{\sqrt{8}} = \frac{1}{\sqrt{8}} * \frac{\sqrt{8}}{\sqrt{8}}=\boxed{\frac{\sqrt{8}}8}

(When simplifying fractions, you should <em>never</em> have a square root on the bottom. Multiply by the square root to cancel it out)
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We have been given that miss Roxanne is 25 years old and she puts 1800 dollars per quarter that returns 6% interest.

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A=P\frac{(1+r)^{n}-1}{r}

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Therefore, the amount in the account would be:

A=1800\frac{(1+0.015)^{160}-1}{0.015}=1179415.39

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(b) In this part we need to figure out the total amount she deposited.

The total amount she deposited would be 1800*160=\$288000.

(c) We can find the interest earned by subtracting her contribution from the answer of part (a).

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