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Andrew [12]
3 years ago
9

The circumference of a circle is 3.2mm.

Mathematics
1 answer:
vivado [14]3 years ago
6 0

The diameter of circle is 1.018 mm.

Step-by-step explanation:

Given,

Circumference of circle = 3.2 mm

We know that;

Circumference = 2πr

3.2=2\pi r\\

Putting π=22/7

3.2=2*\frac{22}{7}*r\\3.2=\frac{44}{7}r

Multiplying both sides by 7/44

\frac{7}{44}*3.2=\frac{7}{44}*\frac{44}{7}r\\\\\frac{22.4}{44}=r\\\\r=0.509

Diameter = 2r

Diameter = 2*0.509

Diameter = 1.018 mm

The diameter of circle is 1.018 mm.

Keywords: circle, circumference

Learn more about circle at:

  • brainly.com/question/1234767
  • brainly.com/question/1238144

#LearnwithBrainly

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Determine the slope of the line that passes through the points: x−8,0,4,5,y,−33,−1,15,19
Volgvan

Answer:

The equation of a line y = ax + b passes point (-8, -33) and point (0, -1) can be formulated by:

(Note: we do not need all of 4 points, 2 points are enough)

-33 = a x (-8) + b

  -1 = a x 0 + b

From 2nd equation, we have:

b = -1

From 1st equation, we have:

b - 8 x a = -33

=> -1 - 8 x a = -33

=> 8 x a = 32

=> a = 4

=>  The equation of line: y = 4a - 1

Hope this helps!

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4 years ago
What is 7/9 times 21/28 as a simplified fraction
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3 years ago
Marcy is making a hooked circle-shaped rug for her mother. The circumference of the circle-shaped rug is 56.52 inches.
NNADVOKAT [17]
So we want to find the radius of the circle. So just divide 56.52 by 3.14 and 2, which is 9. And then to find the area, just square 9 and multiply it by pi, which is 354.34 square inches.

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3 years ago
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50 points! Answer AS much as you can, I give Brainliest!
olga_2 [115]

Answer:

9.  y = 8

10.  n = 21

11.  44 = v

12.  c = 35

Step-by-step explanation:

9.   9y = 72

Divide each side by 9

9y/9 = 72/9

y = 8

10.  3n = 63

Divide each side by 3

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Multiply each side by 11

4*11 = v/11*11

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12.  c/7 = 5

Multiply each side by 7

c/7*7 = 5*7

c = 35

8 0
3 years ago
Read 2 more answers
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