flowerdaisy9990 flowerdaisy9990
  • 01-10-2017
  • Mathematics
contestada

The length of a rectangle is 4 yd longer than its width. if the perimeter of the rectangle is 32 yd, find its area.

Respuesta :

ghanami
ghanami ghanami
  • 01-10-2017
hello: 
let : x the length  and : y  the width
2(x+y) the 
perimeter and ; xy  the area.
x = y +4...(1)
2(x+y) = 32 ...(2)
subsct x by (1) in (2) :
2(y+4 +y) = 32
2y +8 +2y = 32
4y =24
y = 24/4 = 6 yd
x= 6+4=10 yd 
the area is : 60 yd²

Answer Link

Otras preguntas

Find the explicit formula that produces the given sequence. 3/2, 3/4, 3/8, 3/16,...
What effects did the battle of bunker hill have?
Rheumatic fever is a bacterial disease that can result in degeneration of heart valves that would cause?
you shoot a model rocket into the air with a speed of 18.2 m/s. now high does the rocket go?
Im not quite sure how to answer this question... A 1000kg rocket is moving at a constant velocity in deep space; it is moving at 40 meters/second when its burne
How do you use Bill of rights in a sentence
The width of a computer monitor is 30 cm. If the perimeter is 144 cm, what is the area of the computer monitor?
How do you use equal protection of law in a sentence
Which of the following is the equation of a line parallel to the line y=3x+2, passing through the point (10,1)? A. 3x - y=29 B. 3x + y=29 C. -3x - y=29 D. 3x +
what muscles are involved when you're tying your shoe laces