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 phase of mitosis is the cell most likely in when a cell is found to have two nuclear envelopes and spindles that appear to be breaking apart
What is the sum of the exterior angles? 105 360 145 180
Simplify the expression. 6nx+7p-14p+2nx-6x
What reaction would take place if hot tugsten was surrounded by air?
describe why decisions are based on expected costs and benefit
Social Security: Find the number of possible 9-digit social security numbers if the digits may be repeated.
find the derivative of f(x) = 6x 2 at x = 1.
Which issue was at the heart of one of the compromises made between northern and southern states during the Constitutional Convention of 1787? western land clai
the verb tense of the sentence "they will have already taken the test" is which of the following? a. future past b. present perfect c. future perfect
the sum of three consecutive even numbers is 48. what are the smallest of these numbers?