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harina [27]
3 years ago
15

1. Are the following lines parallel, perpendicular, or neither?

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

Not enough info given

Step-by-step explanation:

There isn’t a accurate slope to find if they are parallel or perpendicular

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A circle is characterized by radius, arc, sectors and circumference

  • The length of the major arc is 18.75\pi
  • The radius of the circle is 15
  • The area of the shaded sector is 140.625 * \pi

<h3>Length of the major arc</h3>

The given parameters are:

C = 30\pi --- the circumference

\theta = 225^o -- the center angle

The length of the major arc is calculated using:

L = \frac{\theta}{360} * C

So, we have:

L = \frac{225}{360} *30\pi

Evaluate

L = 18.75\pi

Hence, the length of the major arc is 18.75\pi

<h3>The radius of the circle</h3>

The circumference is given as:

C = 30\pi

So, we have:

2\pi r = 30\pi

Divide through by 2pi

r = 15

Hence, the radius of the circle is 15

<h3>The area of the shaded sector</h3>

The area of a sector is:

A = \frac{\theta}{360} * \pi r^2

So, we have:

A = \frac{225}{360} * \pi * 15^2

Evaluate

A = 140.625 * \pi

Hence, the area of the shaded sector is 140.625 * \pi

Read more about circumference at:

brainly.com/question/15673093

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2 years ago
A math club has 100 members. 60 members are boys and the rest are gins What is the ratio of boys lo ALL club members?​
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Step-by-step explanation: There are 60 boys and 100 people in total. The ratio is 60 : 100.

6 0
4 years ago
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Which expression is equivalent to am ÷ an?
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I'm not 100% sure if this is what you're looking for, but am/an is equivalent to that
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