dance1d426 dance1d426

11-04-2017
Mathematics

contestada

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

Respuesta :

jordanopierre14 jordanopierre14

11-04-2017

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

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