Hi :)
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CIRCUMFERENCE
- The distance all around the circle. Calculated:
.
PI
- An irrational number. Equals the ratio of a circle's circumference to its diameter. It's approximately 3.
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Answer:the output for a wind speed of 40 miles per hour is 810.8 kilowatts.
Step-by-step explanation:
The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. This means that
P is directly proportional to S
Introducing a constant of proportionality, k, it becomes
P = kS
A wind speed of 37 miles per hour produces a power output of 750 kilowatts. This means that
750 = k × 37
k = 750/37 = 20.27
The expression becomes
P = 20.27S
Therefore, the output for a wind speed of 40 miles per hour would be
P = 20.27 × 40
P = 810.8
-5 = 0.2k
divide both sides by 0.2 to isolate k
-25 = k
might be wrong tho lol
Move the point two times.
Step-by-step explanation:
51.2——->0.512