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

Develop one of the following projects below to outline the steps followed in performing CPR on Adults, Infants and Children. Be sure to use your own words to cr
What unintended effect of the Eighteenth Amendment led to its repeal?a.a drop in stock pricesb.an increase in alcohol consumptionc.a rising disregard for the la
What is the product? (2x-1)(x+4)
John F. Kennedy was the ______ President of the United States.
Can someone please help me out with this question??
Tina has been dieting for a total of 13 weeks. She lost 3 pounds on the first week of her diet, but gained back a pound on the second week. On each remaining we
Which set of ordered pairs could be generated by an exponential function? (0,0), (1, 1), (2, 8), (3, 27) (0, 1), (1, 2), (2, 5), (3, 10) (0,0), (1, 3), (2, 6),
Find the slope of the line that passes through the points (2, 4) and (6, 9).
There are often concerns about accreditation with ___ colleges.
find the slope of line containing the given points. (3,-8),(1,4)​