melanieblake14 melanieblake14
  • 02-10-2018
  • Mathematics
contestada

the length of a rectangle is 5 less than twice its width. if the perimeter is 26 meters, find the dimensions of the rectangle

Respuesta :

DeanR
DeanR DeanR
  • 02-10-2018

The length of a rectangle is 5 less than twice its width

l = 2w - 5

perimeter is 26 meters

l + w + l + w = 26

2l + 2w = 26

2w = 26 - 2l

l = 2w - 5

l = 26 - 2l - 5

3l = 21

l = 7

w = 13 - l = 13 - 7 = 6

Answer: length 7 meters, width 6 meters


Answer Link

Otras preguntas

what is the sum of 7/10 and 6/100
having troubles with inequalities.. 3.8x + 14.5 < 32
having troubles with inequalities.. 3.8x + 14.5 < 32
Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
which trinomial is equivalent to (3x-1)(x+4)
Explain what is the same about two fractions that are like fractions
what is the sum of 7/10 and 6/100
which trinomial is equivalent to (3x-1)(x+4)
having troubles with inequalities.. 3.8x + 14.5 < 32