sophcent1206 sophcent1206
  • 20-07-2017
  • Mathematics
contestada

The area of a certain rectangle is 288 yd2. the perimeter is 68 yd. what are the dimensions of the rectangle?

Respuesta :

texaschic101
texaschic101 texaschic101
  • 20-07-2017
P = 2(L + W)
P = 68
68 = 2(L + W)
68/2 = L + W
34 = L + W
34 - L = W

A = L * W
A = 288
W = 34 - L

288 = L(34 - L)
288 = 34L - L^2
L^2 - 34L + 288 = 0
(L - 16)(L - 18)

L - 16 = 0
L = 16

L - 18 = 0
L = 18

not exactly sure which (length or width) , but one is 16 yds and one is 18 yds
Answer Link

Otras preguntas

By increasing the speed of her car  by 5 km/h, Alice was able to drive 12 km in 0.2 hours.  What was her original speed?
How is India connected to the world through the sea routes? What are its benefits ?
Two of your employees call in sick just before your lunch hour rush. You have made several phone calls to your staff seeking additional coverage, but you are un
There are 638 students at a museum. All the students will tour the museum in groups of up to 6 students. What is the smallest number of tour groups that can b
using exactly four 4's and any operations[+,-,x,/,()] write an expression to equal each of the following:345
What happens in any chemical change?
What happens to nitrogen stored in dead plants and animals?
Give an example of an ethical or moral question that science cannot address.
In glycolysis, the first stage of cellular respiration, ATP molecules are produced. What is the net gain of ATP molecules (per molecule of glucose) from glycol
Please help? Simplify: