Answer:
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Step-by-step explanation:
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Answer:
One-fourth mile over thirty-six seconds = 25 miles per hour.
Step-by-step explanation:
We have been given that an elephant can run one over four of a mile in 36 seconds.
To find elephant's rate in miles per hour, we will convert our given time in hours as shown below:
0.25mile/36sec * 60sec/1min * 60min/1hr
900miles/36hr
25miles/hr
Therefore, It's One-fourth mile over thirty-six seconds = 25 miles per hour.
4800/15.80(per/h) = 303.8 hours / 20 hours per week = 15.19 weeks.
Answer:
9.
Step-by-step explanation:
3^-2 / 3^-4 = 3^(-2 - -4)
= 3^(-2+4)
= 3^2
= 9.