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Question

Solve the square root equation for the given value of yy. Round your answer to the nearest tenth.

y=12x9,y=10y=12 \sqrt{x}-9, y=10

Solution

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Answered 2 years ago
Answered 2 years ago
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To solve for xx, substituting y=10y=10 to the equation y=12x9y=12\sqrt{x}-9.

y=12x910=12x9\begin{align*} y&=12\sqrt{x}-9\\ 10&=12\sqrt{x}-9\\ \end{align*}

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