izquierdohannah
31.05.2020 •
Mathematics
Select the correct answer.
The temperature of a cup of coffee was 192°F when it was poured. A thermometer was placed in the cup, and its temperature was recorded
every five minutes, as shown in the table.
Assuming that the relationship is exponential, approximately how warm will the coffee be after 40 minutes?
A79°F
B. 85°F
C. 96°F
D.98°F
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Ответ:
Step-by-step explanation:
One way to do this would be to find the circumference of the entire circle and divide it by 4, considering that the arc measure is 90 degrees
The radius is 1, and the circumference can be found by taking
So, the circumference of this circle is
Now, all we have to do is divide that by four to get our answer