A triangle has side lengths of (2t – 4) centimeters, (7t – 2) centimeters, and (2u+7) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

Answers

Answer:

9t + 2u + 1

Step-by-step explanation:

You are combining your like terms.

You have:

2t + 7t = 9t

You have:

Only 2u and no other u terms

You have:

-4 + (-2) + 7 = +1

Combine that all together and you have your answer.

Answer:Step-by-step explanation:9t2uand no other u terms+1Answer:Step-by-step explanation: