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Anna [14]
3 years ago
12

Given a diameter of 24ft what is the exact area of the circle?

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0

Answer:

452.16

Step-by-step explanation:

r =  \frac{1}{2}  \times 24 = 12 \\ \\ \pi \:  {r}^{2}  \\  =  3.14  \times 12 \times 12 \\  = 452.16

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A library is open til' 5:00 P.M. On Wednesdays, the library closes 2 hours early. How many hours for a month is the library open
svet-max [94.6K]
So
if you assume that the month has 30 days and that the library opens at midnight, then
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on wednessday=17-2=15 hours
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ok so then we have
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add

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the real equation is  [(\frac{1}{7})(n)(15)]+[ (\frac{6}{7}) (n)(17)]=hours where n represents the number of days in the month

apros 501.429
8 0
3 years ago
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