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1) What is the perimeter of the triangle shown in the drawing? It shows a triangle with 3 sides; One side= 2x Second side= 5x+1 Third side= x+8 Multiple choice: A= 7x+9 B= 8x+9 C= 8x^3+9 D= 10x^3+9
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4 votes
1) What is the perimeter of the triangle shown in the drawing?

It shows a triangle with 3 sides;
One side= 2x
Second side= 5x+1
Third side= x+8

Multiple choice:
A= 7x+9
B= 8x+9
C= 8x^3+9
D= 10x^3+9

User Meylin
by
7.5k points

1 Answer

5 votes
I believe all you do is add the numbers with the same coefficients so 2x + 5x + x (in front of x is understood to be a 1) So you get 8x. And 8 + 1 is 9 so the perimeter is B. 8x + 9 
User Cyberax
by
8.2k points
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