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

Which nutrient enhances iron absorption from the intestinal tract?
Which of the following is a characteristic of a novel? A. Novels have only a few characters. B. Novels have simple, straightforward themes (and few of them). C.
Joseph needs to find the quotient of 3.216 ÷8. In what place is the first digit in the quotient?
why does DNA need to replicate before cells divide?
What terms refers to a system in which one branch of government is prevented form seizing too much power
The distinctive lava flow pattern in erta ale's crater is important because it is similar to the processes occurring deep inside the earth. the repetitive proce
Ryan wanted to see the effect of a man playing with preschoolers on the children's noisiness. so, he went to one preschool for a week and played with the childr
igneous rock can be changed into which type of rock through the application of heat and pressure? A. Foliated igneous rock B. Non-foliated igneous rocks C. Clas
Which medium was used to decorate mummy cases in fayum egypt?
Pierre, a cash basis, unmarried taxpayer, had $2,180 of state income tax withheld during