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grandymaker [24]
3 years ago
11

Which of the following polygons has nine lines of symmetry?

Mathematics
2 answers:
Nataliya [291]3 years ago
7 0

I'm pretty sure the answer is C.

An octagon has 8 sides, a heptagon 7, and a hexagon 6. The remaining answer has 9 sides.

anastassius [24]3 years ago
3 0
So we know d. is out and that's all I got help wise sorry its not much..:)
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Match the term with the definition.
marta [7]
1A
2D
3B
4C
5E

Hope this helps!
3 0
3 years ago
What is the slope of a line that contains the points (-2,2) and (3,4)
vlada-n [284]

Answer:

The slope of the line that passes through these two points is 2/5

hope this helps ;)

Step-by-step explanation:

to find the slope (m) use the slope formula

m= y2-y1 / x2-x1

*plug in your points*

m= 4-2 / 3- -2    note here the <u>3- -2</u> changes to <u>3+2</u>

solve for m

m= 2/ 5  

slope= 2/5



4 0
3 years ago
Read 2 more answers
Which dimensions cannot create a triangle?
zavuch27 [327]
Angles that create a triangle always add up to 180. 

To find sides that create triangles, we have to use the Triangle Inequality Theorem.
It's where side A + B will <em>always</em> be greater than side C
and B + C will always be greater than side A
<em>and</em> A + C will always be greater than side B.

So let's check all of these answers and pick the one that's incorrect.

A.
10 + 25 + 145 = 180?
Correct!

B. 
9 + 15 > 9?
Correct!
15 + 9 > 9?
Correct!
9 + 9 > 15?
Correct!

C. 
40 + 70 + 60 = 180?
Incorrect! 40 + 70 + 60 = 175 which is less than 180.

The answer is three angles measuring 40 m, 70 m, and 60 m.

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
7 0
2 years ago
Read 2 more answers
Help me plzz with 18-22 thanks
KonstantinChe [14]
-4 your welcome ❤️❤️ndjdkdkdjfnf
5 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
larisa [96]
What are your answer choices? I’m not sure which equation they are asking for?

The solution to this system of equations is
X= -5
Y= -3
4 0
3 years ago
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