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OpenStudy (gabbyalicorn):
A wheel has a radius of 15 cm. Approximately how far does it travel in 4 revolutions? A. 376.8 cm B. 94.2 cm C. 47.1 cm D. 188.4 cm
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OpenStudy (gabbyalicorn):
c
OpenStudy (anonymous):
Find the circumference and multiplay by 4
OpenStudy (gabbyalicorn):
D
OpenStudy (anonymous):
No, let's do it C=2π.radius Then 4C Try it
OpenStudy (gabbyalicorn):
100.48
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OpenStudy (anonymous):
C=2x3.14x15 How much is it?
OpenStudy (gabbyalicorn):
300.
OpenStudy (anonymous):
C=94.2 Now take C and multiply by 4
OpenStudy (gabbyalicorn):
376.8
OpenStudy (anonymous):
Yep, well done
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OpenStudy (gabbyalicorn):
:D yay!
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