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ivolga24 [154]
4 years ago
15

A ventilation fan is installed in a vertical position. As the fan rotates, the distance, in inches, between the tip of a fan bla

de and the ceiling is modeled by y = Equals 6 cosine (2,000 pi x) + 11, where x is time in minutes.
How many times does the fan rotate each minute?

A 1,000
B 2,000
C 4,000
D 6,000
Mathematics
2 answers:
Vsevolod [243]4 years ago
8 0

Answer:

6,000

Step-by-step explanation:

Hard to explain but basically had to mega-zoom into my graphing calculator lol

11Alexandr11 [23.1K]4 years ago
4 0

Answer:

1,000

Step-by-step explanation:

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