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

Read the sentences. What word best replaces "moving" in the last sentence? We spent the morning helping our friend Linda move out of her house. We moved each pi
enumerate different types of farming
what is the value of X
Who is credited as the first person to perform a controlled airplane flight in australia.
What problem did the crew of Biosphere 2 face? A virus from one of the animals A loss of oxygen One of the crew members developed cancer The crew ran out of foo
PLEASE HELP ITS FREE PONITS!!
Circle O has a circumference of 88 cm. What is the length of the radius of the circle? cmין
Test your mind How talent you are ? Correct the words and letterThe heart we in evil ​
Plse help me on number 11 and 12 so confused on what it’s saying
What is the quotient of 9 – х? 3х х2 + bx +9 and 3х ? ОА. x – 3 3 - x ов. х - 3 x + 3 o С. 3 - x x + 3 o D. x+ 3 x – 3