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

BONUS! 10 = (20 = 4 * 5 = 5) * 8 - 2 O 11.33 O 89 O 1 O 14 What is the answer
hey can i have so help with this please and thank you .
Determine value of n
A person has problems in keeping his body in a balanced position and cannot coordinate his voluntary movements of skeletal muscles. Which part of the brain is t
Which describes the positions on a horizontal number line? All points to the left of one are positive when one is negative. All points to the right of one are p
Which of these regions of Africa had the most contact with the wider world before European Imperialism?
Which five songs originally written or recorded by black artists were covered by the beatles?.
PLSSSSS HELP!!!!! Read the excerpts from "opening statements from John F. Kennedy and Richard M. Nixon First Televised Debate."On what point do Kennedy and Nixo
Hi! I need help ASAP. Thank you
alan has 8 key chains of school.These represent 40% of alans key chain collection.What is the total number of key chains in alans collection