Xxtilldeathdousidn
Answered

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Express the perimeter of the triangle as a polynomial.
8x+2
5x-4
9x+3

Sagot :

Panoyinidn
P = a + b + c
P = (8x + 2) + (5x - 4) + (9x + 3)
P = 8x + 5x + 9x + 2 - 4 + 3
P = 22x + 1
[tex]The\ perimeter\ \ of\ the\ triangle\ ABC:P_\Delta=|AB|+|AC|+|BC|\\-------------------------------\\|AB|=8x+2;\ |AC|=5x-4;\ |BC|=9x+3\\\\put\ these\ expressions\ into\ P_\Delta:\\\\P_\Delta=(8x+2)+(5x-4)+(9x+3)\\-------------------\\use\\Commutative\ property:a+b=b+a\\and\\Associative\ property:(a+b)+c=a+(b+c)\\------------------------\\P_\Delta=(8x+5x+9x)+(2-4+3)\\\\\boxed{P\Delta=22x+1}[/tex]
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