Anonymous Anonymous

03-02-2016
Mathematics

Answered

If a marble rotates 180 degrees in 9 seconds, how many does it rotate in 18 seconds.

Verified Answer :

starrynightsky starrynightsky

03-02-2016

It would rotate 360 degrees because 18 seconds is twice the amount of 9 seconds, so you need to multiply 180 by 2, which is 360, or one full rotation.

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ViolaPlayer678 ViolaPlayer678

03-02-2016

since 92=18 all you have to do is the same to 180...

1802=360

Answer: The marble rotates 360 degrees in 18 seconds

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