Herione5 Herione5
  • 01-03-2019
  • Mathematics
contestada

The width of a field is 3 miles less than the length. The square mileage of the plot is 18 miles squared. Find the dimensions.

Respuesta :

Jenner1256
Jenner1256 Jenner1256
  • 01-03-2019
LW = A
L(L - 3) = 18
L^2 - 3L - 18 = 0
(L - 6) (L + 3) = 0
L could be 6 or -3 ( -3 cannot be a length of a side of a rectangle since it’s negative.)
So L = 6 and W= 3
Answer Link

Otras preguntas

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Can someone use the word delta in a sentence
what is the answer for (20,8),(9,16) ?
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Find Domain of the functionsquare root of (x-8)/x(x-9)
(10y^3+20y^2+55y)/5y
how is mass transit in cities a possible solution tk urban air pollution?
what is the answer for (20,8),(9,16) ?