cv96 cv96
  • 23-06-2017
  • Mathematics
contestada

Can anyone help me on this question

Can anyone help me on this question class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 23-06-2017

area = 77

L = 2W+3

area = L x W

77 = 2W+3 x W

77 = 2w^2 + 3W

2w^2 + 3W - 77 =0

(2w-11)(w+7)=0

2W-11=0

2w=11

w=5.5

l = 2x5.5+3 = 14

14 x 5.5 = 77

Answer Link

Otras preguntas

How has the Rosetta Stone helped historians to understand Egypt's past?
how many 1 pound coins have the same value as 300 pence
which of the following is an example of how life began to change in the United States in the 1920s? A: Technological innovations enabled people across the count
why do doctors worry more about a fever a couple of degrees celsius than a fever of a couple of degrees fahrenheit
the area around New York was claimed by who
Like so many presidents before him, Woodrow Wilson did little if anything about which of these issues? a. controlling monopolies b. lowering tariffs c. racism a
Which of these is an abiotic factor of an aquarium ecosystem? A. algae growing on the glass B. gravel on the bottom of the aquarium C. plants growing from t
How did local governments set the stage for the American Revolution?
who or whom? For __________ is the park named?
Malicious programs that damages your computer is called Options Virus Bacteria Bugs Worms