Mathematics
20 Online
OpenStudy (anonymous):
Leroy's bicycle tires are 34 inches in diameter. Approximately how far will the bike travel in exactly one full turn of the tires.
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OpenStudy (lstrasmann):
Find the circumference of the circle.
OpenStudy (anonymous):
Its 106.76
OpenStudy (anonymous):
So whats next?
OpenStudy (lstrasmann):
It's actually 106.81
OpenStudy (lstrasmann):
Please, don't use 3.14 for pi, use the pi button...
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OpenStudy (lstrasmann):
Anyway, 106.81in^2 is the answer.
OpenStudy (anonymous):
Use a calculator 34times 3.14=106.76in 2
OpenStudy (anonymous):
Whats the next step?
OpenStudy (lstrasmann):
yeah, I know... but 3.14 is an approximation of pi, it's incorrect. If your calculator has a pi button you should use it..
OpenStudy (anonymous):
OH your right its 106.81 I didnt use the pi button
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OpenStudy (lstrasmann):
\[106.81 inches^2\]
OpenStudy (lstrasmann):
that's the answer
OpenStudy (anonymous):
It is ?
OpenStudy (lstrasmann):
Yes. The distance around the circle is the circumference.
OpenStudy (anonymous):
but how far would the bike travel 9ft, 7ft 10in, 7ft, or 4ft 11in?
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OpenStudy (anonymous):
?
OpenStudy (lstrasmann):
9 feet
OpenStudy (anonymous):
how?
OpenStudy (anonymous):
im just wondering
OpenStudy (anonymous):
:)
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OpenStudy (lstrasmann):
since there is 12 inches in a foot, you divide 106.81 by 12
OpenStudy (lstrasmann):
im sorry, i have to go now..
OpenStudy (lstrasmann):
good luck..
OpenStudy (anonymous):
Thank you