natiem407 natiem407
  • 23-06-2018
  • Mathematics
contestada

The perimeter of a rectangular field is 340 yd. The length is 10 yd longer than the width. Find the dimensions.

Respuesta :

mayadc821
mayadc821 mayadc821
  • 23-06-2018
Set up equations like this (keep in mind that perimeter of a rectangle is all sides added up, so two lengths and two widths):

2l + 2w = 340
l = w + 10

Plug (w + 10) in for l in the first equation and solve for w:

2(w + 10) + 2w = 340
2w + 20 + 2w = 340
4w + 20 = 340
4w = 320
w = 80

The width of the field is 80 yd.  Plug 80 in for w in either equation:

l = 80 + 10
l = 90

The length of the field is 90 yd.
Answer Link

Otras preguntas

Write the equation For a Line that intersects points(1,3) And (2,5) which one is a.y=x+2 B.y=2x+1. C.y=3x-3. D.Y=-x+3 For me is letter B.please help
what is a closed-ended question?
What are the functions of:Salivary Glands...Gallbladder...Liver...Pancreas..
Our body needs iron. Certain foods are rich in iron and iron tablets are usually recommended by doctors. but neither the food nor tablets are hard like iron? Wh
show by a simple experiment that diffusion becomes faster when temperature is raised
How do I solve for x and state the restriction if (a-c)/(x-a)=m
Homophones ~~~ a) a female sheep / an evergreen tree b) sandy shore / kind of tree c) guided / a metal d) opens lock / harbour e) flat land / joiner's tool f)
What is the scientific name of 'touch me not' plant? can you give an explanation about its mechanism?
Insert 2 irrational numbers between 2/5 and 3/4
What is the scientific name of 'touch me not' plant? can you give an explanation about its mechanism?