A wheel has a diameter of 21 inches.
Approximately how far does it travel in 3 revolutions?
A. 63 in.
B. 65.94 in. <------------
C. 98.91 in.
D. 197.82 in.
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i think it might be b, but it could be c, plz help i am confused
OpenStudy (anonymous):
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OpenStudy (anonymous):
@Unanimoose
OpenStudy (anonymous):
PLEASE
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OpenStudy (anonymous):
@igreen
OpenStudy (acxbox22):
to find the total distance traveled first we have to find the circumference
do you know how to find circumference?
OpenStudy (anonymous):
C=2pi r
OpenStudy (anonymous):
it is D
OpenStudy (anonymous):
first find the circumference of circle
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OpenStudy (anonymous):
hen multiply this by three
OpenStudy (anonymous):
what? it can not be.....
OpenStudy (acxbox22):
okay now find the circumference by plugging in what you know and tell me what u get
OpenStudy (anonymous):
\[21 \pi 3=63 \pi =197.92 \]
OpenStudy (anonymous):
what did i say its D
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OpenStudy (acxbox22):
@ekim5095 please dont give direct answers
OpenStudy (anonymous):
197.82, not 197.92
OpenStudy (acxbox22):
yes that is correct @up123 :)
OpenStudy (anonymous):
OK I KNOW BUT ALL UP HAS BEEN DOING IS ASKING SAME QUESTION OVER AND OVER EXCEPT DIFFERENT NUMBER HE KNOWS THIS HE JUST TELLING QUESTIONS STRAIGHT FROM HOMEWORK
OpenStudy (anonymous):
its she
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OpenStudy (anonymous):
and I not only want the answers, I want to learn so I know how
OpenStudy (anonymous):
mainly how to do it
OpenStudy (anonymous):
I already told you this and sorry i thought u he
OpenStudy (anonymous):
that is the key in openstudy
OpenStudy (anonymous):
i am 14
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OpenStudy (anonymous):
btw
OpenStudy (anonymous):
i 12
OpenStudy (anonymous):
From Mathematica 9: 63 Pi = 197.92033717615697402 to 20 significant digits.