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

How do you express your terms in pi
Patients whose symptoms include enlarged facial features and growing to an abnormal height would most likely be treated with a drug that decreases the productio
5x + 9y, when x=8, y=11 a 3 –c + b, when a=3, b=6, c=8 4(g –h) +10,when g=12, h=7 4(g –h) +10,when g=12, h=7 k 3 –4j +12, when k=8, j=2 help plssss
The following statements are from American writers: 1. We hold these truths to be self-evident, that all men are created equal, that they are endowed by their C
Can someone help me with this please?!
1a) simplify (8x)^2​
I have $250 to do a kitchen remodel in my kitchen but I really need a couple things that have to be put into the kitchen I need to sink a backsplash and a marbl
How many degrees do the meridians divide the earth into? 0 degrees 90 degrees 180 degrees 360 degrees​
Answer this please rhehrhhrhrbrhrhrhdorvr
Describe the differences between the precolonial and post colonial diets of many Pacific Islanders