ilovedragons4302 ilovedragons4302
  • 25-03-2018
  • Mathematics
contestada

The area of a rectangular playground is 16 square yards. the length of the playground is 4 times longer than its width. find the length and width of the playground.

Respuesta :

Americ
Americ Americ
  • 25-03-2018
w= width
l= length= 4w

Area= lw
16 square yards= lw
substitute l=4w for l
16= (4w)(w)
16= 4w^2
divide both sides by 4
4= w^2
take the square root of 4
2 yards= w

LENGTH
l=4w
l=4(2)
l=8 yards

CHECK:
16= (8)(2)
16= 16

ANSWER: The length is 8 yards and the width is 2 yards.

Hope this helps! :)
Answer Link

Otras preguntas

What velocity must a 1240 kg car have in order to have the same momentum as a 3660 kg truck traveling at a velocity of 12 m/s to the west?
The length of a rectangle is four times its width. If the area of the rectangle is 144 ft, find its perimeter.
Every time Luisa bakes a batch of brownies, she uses 12 cup of chocolate. If she has 32 cup(s) of chocolate remaining, how many batches of brownies can Luisa ma
Did the decision made in Terry v Ohio case expand or limit the rights of the accused? Explain in 5 sentences
Pls help me figure out the slope
What is a solution? Ap3x Answer: Brewed coffee
Which country on the map above is both part of mainland Southeast Asia and an island? A. Vietnam (A) B. Malaysia (B) C. Indonesia (C) D. the Philippines (D) Ple
Stephen can type 70 words a minute. How many words can be typed in 1.5 minutes?
Frogs: The population of a species of frog declines by 24% every year. Suppose 100 frogs are released into a pond. Which exponential model represents this popul
10x - 8y =4-5x + 3y = -9Please solve with elimination i really need the help!!please show work