Question

The sides of a triangle are represented by (3s - 1), (2s + 5), and (s + 4).
1.)Find the expression for the perimeter of the triangle.

2.) What will be the perimeter if s = 7?

Answer 1

Answer:

1) 6s + 8

2) 50

Step-by-step explanation:

1)

To find the perimeter, add the lengths of the sides.

perimeter = 3s - 1 + 2s + 5 + s + 4

perimeter = 6s + 8

2)

Replace s with 7 in the perimeter expression.

perimeter = 6(7) + 8

perimeter = 42 + 8

perimeter = 50

Answer 2

Answer: 6s+8

Step-by-step explanation:

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