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Ulleksa [173]
2 years ago
5

❗❗CORRECT ANSWER+EXPLANATION=BRAINLIEST❗❗

Mathematics
1 answer:
mars1129 [50]2 years ago
5 0

\sf \longmapsto\dfrac{ {x}^{2} - 9 }{ {x}^{2} - 3x}

\sf \longmapsto \dfrac{x + 3(x - 3)}{x(x - 3)}

\sf \longmapsto \:  \dfrac{x + 3}{x}

\boxed{\sf \dfrac{x + 3}{x} }

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\bf \cfrac{15}{x}=\cfrac{~~\begin{matrix} 13 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{\underset{2}{~~\begin{matrix} 4 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\cdot \cfrac{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{\underset{5}{~~\begin{matrix} 65 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\implies \cfrac{15}{x}=\cfrac{1}{10}\implies 150=x\leftarrow \begin{array}{llll} \textit{150 minutes or}\\\\ \textit{2 hours and a half} \end{array}

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Answer down below!

Step-by-step explanation:

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Step 3: Divide both sides by -2.

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=

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