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

compare and contrast the structure of the daughter cells with that of the original parent cell
What is the sl unit for length
one book costs £2.99 how much do six books cost
Entrepreneurs fueled industrialization by
Work out 5/8−2/5 Give your answer in its simplest form.
For her cellular phone service, Vera pays 32 a month + 0.75 for each minute over the allowed minutes in her plan Vera received a bill for 47 last month for how
mercury thermometer was invented by
Describe the long term effects of competition on populations of two different species competing for the same source.
4 L 342 mL + 2L 214 mL =
The concept of protected rights began with: A) the Magna Carta B) Enlightenment C) English Bill of Rights D) Great Awakening