christacurtisp0qfnu christacurtisp0qfnu
  • 10-12-2017
  • Mathematics
contestada

The width of a rectangle is 1 foot less than the length. The area is 2 feet^2. Find the length and width.

Respuesta :

KitKat69
KitKat69 KitKat69
  • 10-12-2017
A=LW
Fill in: 2=(W+1)·W 
L=W+1
multiply out: 2=W²+1
Subtract: 1=w²
find the square root: √1=√W² ≈1=w
Sub that in: 2=(1+1)·1
Solve: 2=2·1 ≈ 2=2
L=2ft
W=1 ft :) hope that makes sense
Answer Link

Otras preguntas

Help ASAP THX!!!!!!!!!!
Tim receives a call from a friend when he is on a conference video call with his boss. What should be his next step? A. Answer the call and speak only for a few
Use the polygon tool to draw a right triangle with hypotenuse CD.
solve the inequality : 6/-5 < -18 i don't understand
What are the specific reasons why Daniel Hale Williams chose this field of work and completed these specific experiments?
3. Southwest Asia (the Middle East) covers about 2.8 million square miles. More than half of it is _____________, including some of the hottest and driest plac
What is one key difference between the film and the short story? What problem was solved by making the change?
Excluding trailing zeroes, how many digits does 0.4^24*0.375^22 have to the right of the decimal point?
High inflation could discourage people from taking college classes because A) jobs would be easy to find. B) financial aid would be harder to get. C) prices f
BRAINLIEST NEEDED PLEASE!