3 years ago

Which of the following best describes a line

Mathematics

2 answers:

miss Akunina [59]3 years ago

8 0

i would say go for the option that is closes to :

" A line is a straight collection of points that goes on forever in two directions."

finlep [7]3 years ago

6 0

I would answer, but you didn't give any options.

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Identify the domain of the function shown in the graph.

OverLord2011 [107]

The domain of the function would be -5
Th answer is would be D

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3 years ago

Determine whether 81 − 49n4 is a difference of two squares. If so, factor it. If not, explain why.

Mumz [18]

We have

$81-49n^4=9^2-(7n^2)^2$

so this is indeed a difference of squares. Factorizing would give

$81-49n^4=(9-7n^2)(9+7n^2)$

making the answer D.

We can further factor the first term here and write

$9-7n^2=3^2-(\sqrt 7\,n)^2=(3-\sqrt7\,n)(3+\sqrt7\,n)$

but that's clearly out of the scope of this question.

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3 years ago

What is the sum of the measures of the exterior angles in a nonagon? explain

DedPeter [7]

The sum of the measures of all exterior angle in a polygon with n sides is always $360^{\circ}$ .

Nonagon is a polygon with 9 sides. If this nonagon is regular or equiangular, then all interior angle are congruent, and therefore all exterior angles are congruent. Then the measure of each exterior angle is $\dfrac{360^{\circ}}{9} =40^{\circ}$ .

5 0

3 years ago

What are the angles of rotation for a 20-gon?

Basile [38]

There are 360 degrees so divide 360 by 20 and get 18 degrees

4 0

3 years ago

Read 2 more answers

2c+17.6 =6 SOLVE --------------- 4 give your answer as a decimal get brainly

scZoUnD [109]

Answer:

$\huge\boxed{x = -5.8}$

Step-by-step explanation:

2x + 17.6 = 6

Subtracting both sides by 17.6

2x = 6 - 17.6

2x = -11.6

Dividing both sides by 2

x = -11.6 / 2

x = -5.8

8 0

3 years ago