3 years ago

The area of a circle is 78.5 cm2.what is th3 diameter of the circle

Mathematics

1 answer:

dem82 [27]3 years ago

3 0

50 centimeters is the answer. Hope this helps.

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Amanda [17]

Answer:

0.125 or 1/8

Step-by-step explanation:

2^3 +2^-3= (2*2*2) + (1/(2*2*2))= 8 + 1/8= 8 + 0.125= 8.125

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3 years ago

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Kisachek [45]

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2 years ago

Please help this is almost due soon!

PolarNik [594]

Answer:

$6\pi$

Step-by-step explanation:

The area of the circumference of a circle is:

$C=2\pi r$

We know that r is 8, so we can plug that into the formula.

However, there's a problem. We only want 3pi/4 of the circumference, not the entire circle's circumference. Therefore, we have to divide by part/whole. In this case, the part is 3pi/4, and the whole is 2pi (the entire circle is 2pi radians).

$C = (\frac{3\pi/4}{2\pi})*(2\pi *8)\\C = (\frac{3}{8})(16\pi)\\C = \frac{48\pi }{8} \\C = 6\pi$

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3 years ago

A cake has 32 slices.

maw [93]

Answer:

Step-by-step explanation:

20 + 7 + 4 + 1 = 32 there is none left over

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3 years ago

–3x – 3y > –18. <br> –x < –y

Veseljchak [2.6K]

Answer:

hmmm.... -2y/3

hope i helped. :)

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