scruztherapy
scruztherapy scruztherapy
  • 15-06-2020
  • Mathematics
contestada

The length of a rectangle is one foot more than twice the width. The area is 55 square feet. Find the dimensions of the rectangle.

Respuesta :

mhanifa
mhanifa mhanifa
  • 15-06-2020

Answer:

5 ft and 11 ft

Step-by-step explanation:

  • l= 2w+1
  • A=lw= 55
  • w(2w+1)=55
  • 2w²+w-55=0

integer solution of quadratic equation is:

  • w=5 ft
  • l= 2*5+1=11 ft

Answer Link

Otras preguntas

A surveyor is measuring the distance along the edge of a piece of land. ​ ​To do this, he has a special wheel that measures the distance traveled each rotation.
All of these are duties of the executive branch except
If a nitrogen atom has 7 protons and 7 neutrons, what is its mass?
In an animal, a muscle cell requires more energy than other cells. Because of this, which type of organelles would you expect to find more of inside muscle cell
what 2 mixed number can give the answer 13/3
What kind of sentence is this? Watch where you swing that baseball bat! interrogative exclamatory imperative
Which congruence theorem, if any, can be used to prove that the triangles are congruent? SAS SSS HL ASA AAS not enough info. please help!!
The student explains that this path is the result of-
2 Who represented the Allies at the Casablanca Conference? I’ll give brainiest:)
At the pet store, there are 6 gold fish, 4 snakes, and 3 mice. What percentage of mice is gold fish? ​