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marcgotbox
08.03.2021 •
Mathematics
The temperature, t, in degrees Fahrenheit, of
water being heated is 65 + 5m where m is the
number of minutes since heating began. How
long will it take for the temperature of the water
to reach 70 degrees Fahrenheit?
Solved
Show answers
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Ответ:
b = 12 in
Step-by-step explanation:
Use the Pythagorean theorem.
a^2 + b^2 = c^2
b^2 + 9^2 = 15^2
b^2 = 225 - 81
b^2 = 144
b = 12
b = 12 in