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noname [10]
4 years ago
13

What’s the difference between the sum of the measures of the interior angles of a regular pentagon and the sum of the measures o

f the exterior angles of a regular pentagon?
A.36
B.72
C.108
D.180
Mathematics
1 answer:
allsm [11]4 years ago
3 0
The sum of the exterior angles  = 360 degrees ( as it is for all polygons)

Sum of the internal angles = 5*108 = 540 degrees.

Difference = 180 degrees
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To find the possible roots of the polynomial 4x3 + x4 – 7x2 – 8x - 8
sasho [114]

The complete statement is divide factors of ± 8 by factors of ± 1

<h3>How to complete the statement?</h3>

The polynomial is given as:

4x^3 + x^4 - 7x^2 - 8x - 8

Rewrite properly as:

x^4 + 4x^3 - 7x^2 - 8x - 8

The first term in the above equation is 1 i.e. 1x^4, while the last term is 8

To determine the possible rational roots, we divide the factors of the last term i.e. 8 by the factors of the first term i.e. 1

Hence, the complete statement is divide factors of ± 8 by factors of ± 1

Read more about rational roots at:

brainly.com/question/10937559

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7 0
2 years ago
Unit 8: Right Triangles &amp; Trigonometry<br> Homework 2: Special Right Triangles
Kamila [148]

Answer:

17. z=39/sin45=78/\sqrt{2}

    y=39/tan60=39/\sqrt{3}

    x=y/sin60=78/\sqrt{3}

19. x=6\sqrt{3}/tan60=6

    y=2x=12

    z=\sqrt{2}y=12\sqrt{2}

Step-by-step explanation:

17.

because:sin45=39/z    

so:     z=39/sin45=78/\sqrt{2}

then: tan60=39/y

so:    y=39/tan60=39/\sqrt{3}

last:  sin60=y/x

so:    x=y/sin60=78/\sqrt{3}

19.

because: tan60=6\sqrt{3}/x

so:            x=6\sqrt{3}/tan60=6

then:        sin30=x/y

so:            y=x*sin30=2x=12

last:          sin45=y/z

so:            z=sin45*y=\sqrt{2}y=12\sqrt{2}

   

4 0
3 years ago
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Okee dokee, 9/10*3 1/3, so first, you need to change 3 1/3 from a mixed number to a fraction, which is 10/3, then all the steps is below:
9/10*10/3 => 9*10/10*3 => 90/30 => 3
The correct answer is 3.
7 0
4 years ago
Read 2 more answers
(3-2sqrt-18)-(2+3sqrt-8)​
Mama L [17]
Tell me the question and I’ll help you with it is it simplify or evalute etc.
7 0
3 years ago
What is a measurement 90 degrees called
romanna [79]
It would be a right angle
4 0
3 years ago
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