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OlgaM077 [116]
3 years ago
5

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

Mathematics
2 answers:
MissTica3 years ago
8 0
Since 9*2=18 all you have to do is the same to 180...

180*2=360

Answer: The marble rotates 360 degrees in 18 seconds
Troyanec [42]3 years ago
6 0
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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