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TEA [102]
2 years ago
5

The formula for the circumference of a circle is C = 2r, where r is the radius and C is the circumference. The equation solved f

or r is r = r equals StartFraction C Over 2 pi EndFraction.
Mathematics
2 answers:
Lubov Fominskaja [6]2 years ago
6 0

Answer:

r = c/2pi

Step-by-step

c= pi*d

d=2r

c = 2*r*pi

Roman55 [17]2 years ago
3 0

Answer:

r=8

Step-by-step explanation:

The answer is r8 for anyone looking. (e2020)

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Write 22 4/5 as a decimal​
romanna [79]

change to improper fraction:

22 4/5

22*5=110+4=114

114/5

divide:

114/5=22.8

Thus, 22 4/5 as a decimal is 22.8

7 0
3 years ago
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Kim spent $33 on a magazine and
loris [4]

Answer:

Seven candy bars.

Explanation:

Suppose the number of candy bars purchased is x

The questions say he bought A magazine, means one magazine

the equation is:

4x + 5 = 33

4x = 33 – 5

4x = 28

x = 7

Kim bought 7 candy bars.

Hope this helps! :)

5 0
2 years ago
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9y^-5/3y^2r^-3 what is the answer in a fraction​
allsm [11]

Answer:

3r^3/y^7.

Step-by-step explanation:

9y^-5 / 3y^2r^-3

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y ^-5 / y^2 = y^-7 = 1 / 7y

1 / r^-3 = r^3

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8 0
3 years ago
Simplify the algebraic expression (4b5 - 7) + (12b5 - 1)
ioda

Answer:16b square root of 5 -8

Step-by-step explanation:

4 0
3 years ago
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Eight times the sum of 8 and some number is 17. What is the number?
OverLord2011 [107]
Edited answer: The number is:  "- 6" .
_______________________________________________

 8 (8 + x) = 16 ;  

in which "x" represents the number for which to be solved ;

8*8 + 8*x = 16 .

Edit:  64 + 8x = 16 ;

Subtract "64" from each side of the equation:

Edit:   64 + 8x − 64 = 16 <span>− 64 ;

to get:  8x = </span>- 48 ;

Divide EACH SIDE of the equation by "8" ; to isolate "x" on one side of the <span>equation ; and</span> to solve for "x" ;

Edit:     8x / 8 = -48 / 8 ; 

  Edit:    x = - 6 .
______________________________________________
The number is:  "- 6" .
______________________________________________
 Let us check our answer, by plugging in "-6" for "x" in the original equation:
______________________________________________
8 (8 + x) = 16 ; 

→ 8 [8 + (-6) ]  =? 16 ?? ; 

→ 8 (8 − 6 )  =? 16 ?? ; 

→ 8 (2)  =? 16 ?? ; 

→ 16 = ? 16 ??  Yes!
_________________________________________________
4 0
3 years ago
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