akalidontstop9080796 akalidontstop9080796

01-12-2021
Mathematics

contestada

A triangle has side lengths of (9d+ 4) centimeters, (9d + 2) centimeters, and (3f - 2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

Respuesta :

musiclover10045 musiclover10045

01-12-2021

Perimeter is the sum of the 3 sides.

Add the 3 sides together by combining like terms.

9d +4 + 9d+2 + 3f -2

9d+9d = 18d

4 + 2-2 = 4

Combining like terms you get:

18d +3f +4

Answer Link

Otras preguntas

find two consecutive odd numbers whose sum is 144

PLEASE HELP ME !!!!!!!!!!!! At Southside Middle School, 40% of the students play an instrument. There are 305 students. How many students play an instrument?

What is included in the production phase of a film? (Select all that apply.) capturing imagery capturing sound editing compositing

What is the value of g? 25(g−7)=3

¿De qué lengua proviene el término “Belice”? a. Africana c. Maya b. Europea d. Francesa

how did the united states become a potential threat to spanish control of its colonies

which of these is another name for map maker

I spent 3/4 of my money and then I spent 1/5 of what was left. What part of all my money do I have left?

What property of water refers to water's ability to move up the stem of a plant against the force of gravity? PLEASE HELP ME

Suddenly he saw a strange thing like mist beginning to arise from the sticks and moss beneath grey beaver's hands. Then, amongst the sticks themselves, appeared