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telo118 [61]
3 years ago
15

Please help, this is geometry

Mathematics
1 answer:
yulyashka [42]3 years ago
8 0

Answer:

Step-by-step explanation:

The formula is the same almost as the previous question you posted.

You want to find the major arc. That's almost the whole circle. If it was the whole circle,  the formula would be 2 * pi * r

But we only want a part of it. Just how big is the angle we use in the formula?

A circle has 360 degrees to go around it. We've cut out a slice of it that is 30 degrees.

The remaining part is 360 - 30 = 330

Arc length = angle / 360  * 2 * pi * r

r = 3 m

Arc length = 330 / 360 * 2 * pi * 3

Arc length = 0.9167 * 6 * 3.14

Arc length = 17.27

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Answer:

25

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5-2 equals 3

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2 years ago
Which ordered pair represents the y-intercept of the graph of the equation y = -3x - 9?
Mnenie [13.5K]
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Equation
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y = -3x - 9

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Option 1
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If I substitute x = -9, I should get y = 0

When x = -9
y = -3 (-9) - 9
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Option 2
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If I substitute x = -3, I should get y = 0
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Option 3
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If I substitute x = 0, I should get y = -3
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Option 4
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If I substitute x = 0, I should get y = -9
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Answer: (-3, 0) and (0, 9) are ordered pairs of the equation (Answer B, D)
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3 years ago
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Answer:

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3 years ago
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