Solve each equation by taking square roots. Show your work. Simplify your answers. Do not write your answers in decimal form.

Mathematics

1 answer:

natulia [17]2 years ago

6 0

Step-by-step explanation:

$\sf \hookrightarrow \: {n}^{2} = 20 \\ \sf \hookrightarrow \: \sqrt{ {n}^{2} } = \sqrt{20} \\ \sf \hookrightarrow \: n = \sqrt{20} \\ \star \bf \: n = 2 \sqrt{5} \\ \\ \sf \hookrightarrow \: {a}^{2} = 90 \\ \sf \hookrightarrow \: \sqrt{ {a}^{2} } = \sqrt{90} \\ \sf \hookrightarrow \: a = \sqrt{90} \\ \star \bf \: a = 3 \sqrt{10}$

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erma4kov [3.2K]

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Always do what's in parentheses first:

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Then do multiplication and division:

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3 years ago

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notka56 [123]

Answer:

The volume would be 12 inches.

Step-by-step explanation:

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for the lower box, I did

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For the top half

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