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drek231 [11]
2 years ago
9

Circumference of the circle as 15 pi inches find the diameter

Mathematics
1 answer:
avanturin [10]2 years ago
4 0

The formula for the circumference of the circle is 2πr or πd with r being the radius and d being the diameter. These 2 gives the same result because d=2r

Now because we know that the circumference is 15pi, we just need to reverse to find the diameter.

π*diameter=15*π

We can divide π from both sides.

diameter=15

Hope this helped!

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S=n(a1+an)/2 gives the partial sum of an arithmetic sequence. What is the formula solved for an?
Veseljchak [2.6K]
S = n(a1 + an)/2
2S = n(a1 + an)
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6 0
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lianna [129]

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1) Since b is unknown, your answer will be 25b

2) Since both variables, a and c, are unknown, your answer will be ac

3) Since both are unknown here, it will be ba!

4 0
3 years ago
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prisoha [69]
I hope this helps you

6 0
3 years ago
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vodomira [7]

Answer:

1. If it is just a line and it has no end points then it means that it is a line if it has endpoints then it's a line segnment.

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Step-by-step explanation:

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3 years ago
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Anna007 [38]

You want to find the time <em>t</em> such that

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