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Levart [38]
3 years ago
6

TIMED TIMED

Mathematics
2 answers:
faust18 [17]3 years ago
5 0
We know that
circumference=pi*D
where D is the diameter
diameter=4 ft
circumference=4*pi ft
if one revolution is -------------> 4*pi ft
1320 rev-------------> x
x=1320*4*pi-----> x=5280*pi ft/hout

convert ft to miles
1 mile-----------> 5280 ft
so
5280*pi ft----------> is pi mile
5280*pi ft/hour------> is equal to pi mile/hour

the answer is the option 
<span>a. pi</span>
9966 [12]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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