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Tamiku [17]
3 years ago
7

Someone help me I don’t understand the circumference C=2TTr

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0
You are being asked to make π the subject in

C=2πr \:

So divide both sides of the equation by
2r

That is

\frac{ C}{2r} = \frac{2πr}{2r}
The you have
\frac{ C}{2r} = \pi

or

\pi = \frac{ C}{2r}

I hope this is helpful?
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Bess [88]

Answer:

p=1, q=5. (1, 5).

Step-by-step explanation:

8p+7q=43

2-7=-q

------------------

-q=-5

q=5

--------

8p+7(5)=43

8p+35=43

8p=43-35

8p=8

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6 0
3 years ago
-2 1/4 divided by (-1 1/2) =
Diano4ka-milaya [45]

Answer:

9/22

Step-by-step explanation:

First:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

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8 0
3 years ago
What pair of points have a slope of -3/5
sergey [27]

Answer:

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Solve the system of equations
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4 years ago
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Semmy [17]

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Multiply each term and add the results:

9+6-0-2 = 13

13 points

4 0
1 year ago
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