SOLUTION: A triangle has three sides: 3x+7, 4x-9, and 5x+6. What is the expression that represents the perimeter?
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Question 8162: A triangle has three sides: 3x+7, 4x-9, and 5x+6. What is the expression that represents the perimeter?
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
perimeter is the sum of the lengths, so we get
3x+7 + 4x-9 + 5x+6
--> 12x + 4 ... this is good enough, or we can factorise it as 4(3x + 1)
jon.
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