jessicaneedshelp0
jessicaneedshelp0 jessicaneedshelp0
  • 02-09-2020
  • Mathematics
contestada

A rectangle has length 2x+3 and width 7x+9. Write a polynomial in standard form that represents the perimeter of the rectangle. You MUST combine like terms.

Respuesta :

ksloneee
ksloneee ksloneee
  • 03-09-2020

Answer:

18x+21

Step-by-step explanation:

First multiply each equation by 2 since there is 2 sides for both the length and width.

2(2x+3)   2(7x+9)

4x+3         14x+18    

Then combine like terms

4x+14x       3+18

18x              21

Answer Link

Otras preguntas

Science What is the relationship between a need in society and a system?
Where are traditional economies usually found? a. in small communities that welcome change b. in large communities that welcome change c. in large communitie
What is 21 divided by 4
Which polynomial is factored completely? a) g^5 - g b) 4g^3 + 18g^2 + 20g c) 24g^2 - 6g^4 d) 2g^2 + 5g + 4
A duck flew at 18 miles per hour for 3 hours, then at 15 miles per hour for 2 hours. How far did the duck fly in all? A. 69 miles B. 75 miles C. 81 miles D. 84
What is the subject in this simple sentence? Vertebrates are animals with a backbone or spine. A. animals B. spine C. backbone D. Vertebrates
I need help with #6, pls help me out
Which sentence lists events in the cell cycle in correct order, from earlier to later? The chromosomes become longer and thinner; spindle fibers attach to the c
Who led Israelites out of Egypt and into the Sinai desert?
Ellos compraron "el reloj pulsera" Which sentence correctly substitues the bolded phrase? A. Ellos lo compraron B.Ellos la compraron C.Ellos los compraron D.Ell