Help I will give u 5 point please someone

Mathematics

1 answer:

galben [10]2 years ago

6 0

Using Pythagorean Theorem 9 to the second is 81 and 3 to the second is 9 ... u add those two together it’s 90 and take the square root of that and it’s 9.48 round that as the question asked?

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$\bf \qquad \textit{perfect square trinomial} \\\\ (a\pm b)^2\implies a^2\pm \stackrel{\stackrel{\text{\small 2}\cdot \sqrt{\textit{\small a}^2}\cdot \sqrt{\textit{\small b}^2}}{\downarrow }}{2ab} + b^2 \\\\[-0.35em] ~\dotfill$

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Step-by-step explanation:

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