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Ivanshal [37]
3 years ago
10

Find the circumference of a circle that has a radius of 212 mm

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
4 0

Answer:

1332.035 millimeters

Step-by-step explanation:

If you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π.  π is roughly equal to 3.14.  You can also work out the circumference of a circle if you know its radius. Remember that the diameter is double the length of the radius. We already know that C = πd. If r is the radius of the circle, then d = 2r. So, C = 2πr.

IceJOKER [234]3 years ago
3 0

Answer:

1332.04

Step-by-step explanation:

C=2πr=2·π·212≈1332.03529

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3 years ago
Write sin(19°) in terms of cosine.
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Answer:

cos(71)

Step-by-step explanation:

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3 0
3 years ago
Which point satisfies the system of equations y = 3x − 2 and y = -2x + 3?
Sedbober [7]

Answer:

(1,1)

Step-by-step explanation:

The choices are not visible, however are unnecessary to solve this problem.

Given y = 3x - 2 and y = -2x + 3

[Set them equal to each other]

3x - 2 = -2x + 3

[Find x]

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3x + 2x = 5

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x = 1

[Plug x = 1 to both equations to check and find y]

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y = -2x + 3

y = -2(1) + 3 = -2 + 3 = 1

Both are equal to y = 1 when x = 1

The point is then: (1,1)

3 0
3 years ago
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allochka39001 [22]

Answer:

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Step-by-step explanation:

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