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Mathematics 23 Online
OpenStudy (anonymous):

A car is traveling at a speed of 63 miles per hour. What is the car's speed in feet per second? How many feet will the car travel in 20 seconds? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.

OpenStudy (igreen):

Convert 63 miles to feet and hours to seconds.. 1 mile = 5280 feet 63 * 5280 = ?

OpenStudy (anonymous):

332640

OpenStudy (igreen):

Yes, and 1 hour = 3600 seconds. So we have: \(\dfrac{332640}{3600}\) Divide that

OpenStudy (anonymous):

94.4

OpenStudy (igreen):

Check again

OpenStudy (anonymous):

92.4 sorry

OpenStudy (anonymous):

I have 2 more questions after this will you be able to help?

OpenStudy (anonymous):

can i have a medal?

OpenStudy (anonymous):

are you going to help?

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

Okay, sorry..

OpenStudy (igreen):

Yes, so that's 92.4 feet per second.

OpenStudy (anonymous):

so i do that * 20

OpenStudy (igreen):

That answers this question: "What is the car's speed in feet per second?"

OpenStudy (anonymous):

92.4*20

OpenStudy (igreen):

Yes, you do that to find 20 seconds.

OpenStudy (igreen):

Multiply, what do you get?

OpenStudy (anonymous):

1848

OpenStudy (anonymous):

it's inccorect

OpenStudy (igreen):

it is?

OpenStudy (igreen):

*It

OpenStudy (anonymous):

yes sir

OpenStudy (igreen):

That should be correct.

OpenStudy (igreen):

Maybe you put it in wrong?

OpenStudy (anonymous):

sorry i put a decimal

OpenStudy (anonymous):

A cyclist rides his bike at a rate of 11 feet per second. What is this rate in miles per hour? How many miles will the cyclist travel in 2 hours? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.

OpenStudy (igreen):

One question per post.

OpenStudy (anonymous):

okay thanks , ill tag you in it ..

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