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Darya [45]
2 years ago
5

Write an equation in point slope form through the point (3,-1) with a slope of 2

Mathematics
1 answer:
klio [65]2 years ago
8 0

Answer:

y+1 = 2 (x -3)

Step-by-step explanation:

Point slope form is

y - y_{1}=m(x-x_{1})

The points you have are (3, -1). The 3 is x_{1} and the -1 is y_{1}

The slope, m, is 2.

Plugin the numbers for the variables.

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

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Answer:

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Step-by-step explanation:

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6 0
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Find the measure of the central angle with an arc length equaling 29.21 and a circumference = 40.44
Dima020 [189]

measure of central angle is 4.607 radians with an arc length equaling 29.21 and a circumference = 40.44

Step-by-step explanation:

Arc length = 29.21

Circumference = 40.44

Central angle = ?

The formula used to find central angle is:

s=r\theta

where s = arc length, r= radius and Ф=central angle.

We need to find radius from circumference

c=2\pi r\\r=\frac{c}{2\pi } \\Putting\,\,values:\\r=\frac{40.44}{2*3.14}\\r=6.43

So, radius = 6.34

Now, finding central angle:

s=r\theta\\29.21=6.34\,\,\theta\\\theta=\frac{29.21}{6.34}\\\theta=4.607\,\,radians

So, measure of central angle is 4.607 radians with an arc length equaling 29.21 and a circumference = 40.44

Keywords: Central angle of circle

Learn more about Central angle of circle at:

  • brainly.com/question/8618791
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pashok25 [27]

Answer:

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Step-by-step explanation:

I hope it helps

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Answer:

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Step-by-step explanation:

Example

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At 1 pm, there were 16 seagulls on the beach. At 3 pm, there were 40 seagulls. What is the constant rate of change?
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3 years ago
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