AngieĐbrookie
AngieĐbrookie AngieĐbrookie
  • 13-10-2016
  • Mathematics
contestada

Find the length of a rectangular lot with a perimeter of 126 meters if the length is 7 meters more than the width.

Respuesta :

SJ2006
SJ2006 SJ2006
  • 17-10-2016

Let, the width = x

length = x+7

Now, 2(x+7+x) = 126

2(2x+7)=126

4x+14 = 126

4x = 112

x = 28

So, length would be(x+7) = 28+7 = 35meters

Answer Link

Otras preguntas

factor using ac-method and factor completely, 25x²-30x--40  (help)
Simplify 21/3 x 41/2
What is the highest common factor (HCF) of 60 and 45?
What is the highest common factor (HCF) of 60 and 45?
Simplify 21/3 x 41/2
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x^2 + 8x + 5.
1/3 of something = 3
factor using ac-method,  15y+6y²-21= ________
increase 12 1/2 cm by 25 mm
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x^2 + 8x + 5.