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Sidana [21]
3 years ago
15

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]3 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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