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5 votes
PLEASE HELP ANSWER ALL 3!!! 20 POINTS !!

PLEASE HELP ANSWER ALL 3!!! 20 POINTS !!-example-1
User Cfchou
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7.5k points

2 Answers

6 votes
2.25 cm per hour for the first one and 18cm for the second one
User Dan Field
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8.3k points
2 votes
Now, there is no problem...
User Goliatone
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8.1k points