To convert to a decimal, divide by 100.
75 / 100 = .75
Answer:
Step-by-step explanation:

- Error (e) = 50 - 42 = 8 feet
- assumed value (a) = 42 feet

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Yea thats the coordinate plane good job
Formula: SA = 2πr² + 2πrh
h =40 in
Diameter d =12 in.
Radius = r = d/2 = 12/2 = 6 in
SA = 2π6² + 2π*6*40 = 72π + 480π = 552π (in²)
SA = 552π = 552*3.14 = 1733.28 (in²)
Answer: 1733.28.