Mathematics, 16.10.2020 19:01 Jana1517
The average high temperature during the hottest month in Beijing, China, is 72°F. The average high temperature during the coldest month in Beijing is 18°F. The function t = 27 cosine (pi/6(m-6)) + 45, where m represents the number of months after January, models the temperature throughout the year in Beijing.
What is the first month in the year when the temperature reaches 55°F?
A. March
B. April
C. July
D. September
Answers: 1
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The average high temperature during the hottest month in Beijing, China, is 72°F. The average high t...
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