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3 years ago

5

Two runners one averaging 9 mph and the other averaging 8 mph start the same place and run along the same trail the slower runne

r arrives at the end of the trail a quarter of an hour after the faster runner how far did each person run

1 answer:

andreev551 [17]3 years ago

8 0

Answer:

5.5 miles

Step-by-step explanation:

15 divided into 8.0

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How much is f(10) if f=x^2-2

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What’s the equation for the order pairs (1,-5) and (-2,5)

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$\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{-5})\qquad
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\\\\\\
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$\bf \begin{array}{|c|ll}
\cline{1-1}
\textit{point-slope form}\\
\cline{1-1}
\\
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\\\\
\cline{1-1}
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oksano4ka [1.4K]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~{{ 4}} &,&{{ -2}}~) 
% (c,d)
&&(~{{ 5}} &,&{{ 0}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 
\cfrac{\stackrel{rise}{{{ y_2}}-{{ y_1}}}}{\stackrel{run}{{{ x_2}}-{{ x_1}}}}\implies \cfrac{5-(-2)}{0-4}\implies \cfrac{5+2}{0-4}\implies -\cfrac{7}{4}$

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