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Answer:
The average change in temperature per hour was -8°F.
Step-by-step explanation:
Using the equation 48-(-16) we know that the temperature dropped by 64°F.
We now know that the temperature dropped by 64°F in a period of 8 hours. Using the equation -64/8 we can find the average change in temperature per hour.
Therefore, the average change in temperature per hour was -8°F.
The area of a circle is given by
And the radius is half the diameter:
So, you have
which evaluates to 572.5566