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stira [4]
3 years ago
7

A regular polygon has 25 sides. Find the measure of one exterior angle. Do NOT round your answer The measure of one exterior ang

le isdegrees .
Mathematics
1 answer:
irina [24]3 years ago
3 0

Answer:

72 DEGREES

Step-by-step explanation:

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(4n⁴-8n+4) - (8n²+4n⁴+1) <br> How do I simplify this expression?
Kobotan [32]

Answer:

-4n^4-4n^2-8n+3

Step-by-step explanation:

you combine the like terms

8 0
3 years ago
in circle O the radius is 4ft and the measure of minor arc ab is 120 degrees find the length of minor arc ab to the nearest inte
KIM [24]

Answer:

8\:\text{ft}

Step-by-step explanation:

The length of the arc is proportional to the degree measure it in encompasses. Since there are 360 degrees in a circle and the arc is 120 degrees, the arc's length will be \frac{120}{360}=\frac{1}{3} of the circle's length (circumference).

The circumference of a circle is given by 2\pi r, where r is the radius of the circle. Therefore, the circumference of the circle is 2\pi(4)=8\pi. As we found earlier, the length of the arc is \frac{1}{3} of this circumference. Therefore, the arc's length is 8\pi\cdot \frac{1}{3}=\frac{8\pi}{3}.

To the nearest integer, this is \approx \boxed{8\:\text{ft}}.

4 0
3 years ago
Erry has taken a random sample of students and determined the number of electives that each student in his sample took last year
Cerrena [4.2K]
The mean should be about the same, because the sample is random
6 0
3 years ago
Read 2 more answers
Examine the following graph, where the function P(x) is mapped to I(x) by a translation.
Murrr4er [49]

f(x) = p(x) + 4 shows the correct transformation.

<h3>Define transformations.</h3>

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location. The most typical varieties are listed below: When a figure is translated, it is moved in any direction. Flipping a figure over a line is called reflection. Rotation is the process of turning a figure a specific amount around a point.

Given,

Function

f(x) = p(x) + 4

shows the correct transformation.

To learn more about transformation, visit:

brainly.com/question/11709244

#SPJ9

6 0
1 year ago
BRAINLIESTTT ASAP! PLEASE HELP ME :)
11Alexandr11 [23.1K]
<h3>Answer: B) Only the first equation is an identity</h3>

========================

I'm using x in place of theta. For each equation, I'm only altering the left hand side.

Part 1

cos(270+x) = sin(x)

cos(270)cos(x) - sin(270)sin(x) = sin(x)

0*cos(x) - (-1)*sin(x) = sin(x)

0 + sin(x) = sin(x)

sin(x) = sin(x) ... equation is true

Identity is confirmed

---------------------------------

Part 2

sin(270+x) = -sin(x)

sin(270)cos(x) + cos(270)sin(x) = -sin(x)

-1*cos(x) + 0*sin(x) = -sin(x)

-cos(x) = -sin(x)

We don't have an identity. If the right hand side was -cos(x), instead of -sin(x), then we would have an identity.

7 0
3 years ago
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