celinegomez44
celinegomez44 celinegomez44
  • 21-01-2016
  • Mathematics
contestada

The length of Marshall's rectangular poster is 2 times its width. If the perimeter is 24 inches, what is the area of the poster?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 21-01-2016
perimiter=legth+legnth+width+width=2l+2w
l is 2 times w
l=2w
p=24
subsitute
24=2l+2w
24=2(2w)+2w
24=4w+2w
24=6w
divide both sides by 6
4=w
subsitue
l=2w
l=2(4)
l=8

legnt=8 in
width=4 in
Answer Link

Otras preguntas

please help me with this graph ???
Contrast elastic potential energy and chemical potential energy
What is the function notation of y=2x+7
In 1775, who was chosen as the Commander-in-Chief of the Continental Army?
What was the primary reason the Pilgrims came to the New World?
What was the strongest German state?
To Kill A MockingBird Chapter 19 "Nobody liked Tom's answer" to the question of why he helped Mayella for no pay. Explain Mr. Gilmer's fury at Tom's feeling sor
What was the main provision of the Monroe doctrine?
Make the letter in brackets the subject of the formulak=10b:11n        (b)
Did Napoleon defend or betray the ideals of the French Revolution?