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Lubov Fominskaja [6]
3 years ago
11

45 Points! Please help with this it's either B or C

Mathematics
2 answers:
MArishka [77]3 years ago
5 0
I believe your answer is C 
Nadya [2.5K]3 years ago
4 0
It's C I'm pretty sure and this in English not math
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A slice of pizza whose edges form a 32degrees angle with an outer crust edge 4 inches long was found in a gym locker. What was t
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Answer:

The diameter was d=\frac{45}{\pi } in.

Step-by-step explanation:

The arc of a circle is given by

s=r\theta

where

s = arc length

r = radius of the circle

θ = measure of the central angle in radians.

From the information given

s = 4 in

θ = 32º

To find the diameter of the original​ pizza, we use the formula of the diameter of a circle

d=2r

First, we need to convert the angle to radians

\theta=32\º \cdot \frac{\pi}{180\º} =\frac{8\pi }{45}

Next, solve for r from the arc formula

r=\frac{s}{\theta} =\frac{4}{\frac{8\pi }{45}} =\frac{45}{2\pi }

Then, we use the diameter of a circle formula

d=2r=2(\frac{45}{2\pi })=\frac{45}{\pi }

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3 years ago
Positive or negative thread?<br><br><br> please help ;-;
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Answer:

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8 0
2 years ago
Match each graph with the correct equation written in<br> standard form. Explain your reasoning.
My name is Ann [436]

The graphs and their equations are:

  • Line 1: 6x - 2y = -10
  • Line 2: 9x - 9y = -45
  • Line 3: 3x - 12y = -60

<h3>How to determine the equations of the graphs</h3>

The three lines are linear equations, because they are all straight lines.

Also, the lines have the same y-intercept (this is so, because they cross the y-axis at the same point), but they have the same slope

Next, we rewrite the equations in slope-intercept form.

So, we have:

3x - 12y = -60

Divide through by -12

-0.25x +y = 5

Make y the subject

y = 0.25x + 5

6x - 2y = -10

Divide through by 2

3x - y = -5

Make y the subject

y = 3x + 5

9x - 9y = -45

Divide through by -9

-x + y = 5

Make y the subject

y = x + 5

Line 1 has the highest slope, while line 3 has the least slope.

So, we have the following equations:

  • Line 1: 6x - 2y = -10
  • Line 2: 9x - 9y = -45
  • Line 3: 3x - 12y = -60

Read more about linear equations at:

brainly.com/question/14323743

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2 years ago
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