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Bogdan [553]
3 years ago
8

This number 7 proportional or not proportional ??

Mathematics
1 answer:
Firlakuza [10]3 years ago
3 0
Yes number 7 is proportional
every hour the temp goes up 2.5
1:00-6:00=5hours
5×2.5=12.5
6:00-8:00=2hours
2×2.5=5

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fgiga [73]
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Need help ASAP. i forgot all the steps after the Area is solved with 5. or if 25pi is the right answer.
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Answer:

42.5\:\mathrm{m^2}

Step-by-step explanation:

The area of a sector with measure \theta in degrees is given by r^2\pi\cdot\frac{\theta}{360}, where r is the radius of the sector.

What we're given:

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A_{sector}=5^2\pi\cdot \frac{195}{360}=13.5416666667\pi=42.5424005174\approx \boxed{42.5\:\mathrm{m^2}}

*Notes:

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3 years ago
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shtirl [24]
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Answer:

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