janiyalindsey16
Answered

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15. An equilateral triangle has side lengths that
can be represented by 1.2x - 8 units.
a. Write an expression to represent the
perimeter of the triangle.
b. If the triangle has a perimeter of 12 units,
find the value of x.

Can someone please help me out on this I got stuck on A, thank you so much very much appreciated!

Sagot :

Answer:

a) 3(1.2x - 8) or 3.6x - 24

b)

3(1.2x - 8) = 12

1.2x - 8 = 4

1.2x = 12

x = 12/1.2

= 10

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