SOLUTION: A rectangular photograph is mounted on a frame that is one inch wide. If the photograph is twice as long as it is wide , anad the area of the phot and the fram together is 60 inche
Algebra ->
Quadratic Equations and Parabolas
-> SOLUTION: A rectangular photograph is mounted on a frame that is one inch wide. If the photograph is twice as long as it is wide , anad the area of the phot and the fram together is 60 inche
Log On
Question 77963: A rectangular photograph is mounted on a frame that is one inch wide. If the photograph is twice as long as it is wide , anad the area of the phot and the fram together is 60 inches squared, what are the dimensions of the photo Answer by checkley75(3666) (Show Source):
You can put this solution on YOUR website! (x+2)(2x+2)=60
2x^2+6x+4=60
2x^2+6x+4-60=0
2x^2+6x-56
x^2+3x-28=0
(x-4)(x+7)=0
X-4=0
X=4 ANSWER. FOR THE WIDTH OF THE PICTURE.
2*4=8 FOR THE LENGTH OF THE PICTURE.
PROOF
(4+2)(8+2)=60
6*10=60
60=60
(