shaarimal shaarimal
  • 04-09-2018
  • Mathematics
contestada

The length of a rectangular carpet is 4 feet greater than twice its width. If the area is 48 square feet, find the carpet’s length and width.

Respuesta :

TheBreeze
TheBreeze TheBreeze
  • 04-09-2018

l = 2w + 4

l * w = 48

We can substitute l with its value:

2w + 4 * w = 48

2w^2 + 4w - 48 = 0

2(w^2 + 2w - 24) = 0

2(w+6)(w-4) = 0

w = {4, -6}

Answer Link

Otras preguntas

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
What were the major causes of WWII? Please include at least 4 answers.
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
The function of the eardrum in the middle ear is to
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
how do you write 4540 million in standard form?
The function of the eardrum in the middle ear is to
how do you write 4540 million in standard form?