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polet [3.4K]
3 years ago
7

Find the circumference of a circle with radius = 30 mm.

Mathematics
2 answers:
3241004551 [841]3 years ago
8 0

Answer:

r= 15

Step-by-step explanation:

OLEGan [10]3 years ago
7 0

188.4mm you do 60(3.14)

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Please help with this 10 pts
Sever21 [200]
I think it is a direct variation because if you divide 9/3, 27/3, 39/13, and 60/20 it will all give you the same number which is 3.
I hope this helps.
6 0
3 years ago
-3(8n - 5) - 2n = 8n - 21
BigorU [14]

Answer:

Step-by-step explanation:

First you do the parentheses so the -3 x 8n= -24 and -3 x -5= 15

so it will look like this. -24n+15-2n=8n-21

Now combine like terms the -24n-2n.

-26n+15=8n-21 now subtract 8n now it will look like this

-34n+15=-21 now -15 from -21

-34n=-36

now if you want n by its self divide -34 and -36

7 0
3 years ago
Please help no links please
allsm [11]

Answer:

C

Step-by-step explanation:

The secant- tangent angle MLK is half the difference of the intercepted arcs, that is

\frac{1}{2} (KN - KM) = 70° ( multiply both sides by 2 to clear the fraction )

KN - KM = 140°

KN - 61° = 140° ( add 61° to both sides )

KN = 201° → C

8 0
3 years ago
Question is in picture.
adell [148]

Answer:

sorry i don't know the answer

Step-by-step explanation:

3 0
3 years ago
Which ratio is equivalent to 3/10
tekilochka [14]
6/20 is equal to it as well as 1.5/5  Hope I helped  :)
8 0
3 years ago
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