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cluponka [151]
3 years ago
12

A circle has a circumference of 153.86units what is the radius of the circle?

Mathematics
1 answer:
o-na [289]3 years ago
5 0

Answer:

24.49

Step-by-step explanation:

C= 2πr

153.86=2πr

r=24.49

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Review the bar graph below:
Scrat [10]

Answer:

B. 12.5%

Step-by-step explanation:

Add all the hours together to get 20. We make the assumption that 20 is 100% since it is our output value. We next represent the value we seek with x. From step 1, it follows that 100%=20. In the same vein, x%=2.5.This gives us a pair of simple equations:

100%=20(1)

x%=2.5(2)

By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS  (left hand side) of both equations have the same unit (%); we have

\frac{100}{x}=\frac{20}{2.5}

Taking the inverse (or reciprocal) of both sides gives us this:

\frac{x}{100} =\frac{2.5}{20}

>> x=12.5\%  

Therefore, 2.5 is 12.5% of 20.

5 0
3 years ago
The 2th term of The A.P is 7 and 9th term is 28, Find The comon difference and The first term.
Radda [10]

Answer:

difference = 3, first term = 4

Step-by-step explanation:

given, a2 = 7

a9 = 28

wkt, a2 = a + d = 7

<u>a9 = a + 8d</u><u> </u><u>=</u><u> </u><u>28</u>

- 7d = - 21

therefore d = 3

and wkt, d = a2 - a

a = 7 - 3 = 4

HOPE THIS HELPS

8 0
3 years ago
Pls help I forgot how to solve this kind of problem
Maslowich

Answer:

72.1110255093 cm

Step-by-step explanation:

round it if you have to

8 0
3 years ago
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fiasKO [112]
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Liono4ka [1.6K]

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Yes

Step-by-step explanation:

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