A professional cyclist is training for the Tour de France. What was his average speed in miles per hour if he rode the 120 miles from Laval to Blois in 4.7 hours? Use the formula d  rt, and round your answer to the
nearest tenth.

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Ответ:

bankskry

24.04.2021

Mathematics

Following are the solution to the given question:

Step-by-step explanation:

Given:

$\to x^2+y^2=49$

When

$x=0\\\\0^2+y^2=49\\\\y^2=49\\\\y= \pm 7$

So, order pass $(0,\pm 7)$

Similarly When

$y=0\\\\x^2+0^2=49\\\\x^2=49\\\\x= \pm 7$

So, order pass $(\pm 7,0)$

$x \ \ \ \ \ \ \ 7 \ \ \ \ \ \ \ -7\ \ \ \ \ \ \ 0 \ \ \ \ \ \ \ 0 \\\\y \ \ \ \ \ \ \ 0 \ \ \ \ \ \ \ 0 \ \ \ \ \ \ \ 7 \ \ \ \ \ \ \ -7 \\\\$

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A professional cyclist is training for the Tour de France. What was his average speed in miles per hour if he rode the 120 miles from Laval to Blois in 4.7 hours? Use the formula d  rt, and round your answer to the nearest tenth.