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777dan777 [17]
3 years ago
5

fidel can mow the lawn in 30 minutes and Reu can mow the lawn in 60 minutes. How long will it take for them to mow the lawn toge

ther?​
Mathematics
1 answer:
Artist 52 [7]3 years ago
4 0

Answer:

It would take about 2 hours or 120 minutes

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\bf (\stackrel{x}{9}~~,~~\stackrel{y}{-3})\impliedby \textit{let's find the \underline{hypotenuse}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2} \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ c=\sqrt{9^2+(-3)^2}\implies c=\sqrt{81+9}\implies c=\sqrt{90} \\\\[-0.35em] ~\dotfill

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