soniaparveen soniaparveen
  • 10-10-2020
  • Mathematics
contestada

A rectangular lawn has area 140 square yards. Its length is six less than twice the width. What are the width and length of the lawn?

Respuesta :

saijuchacko saijuchacko
  • 10-10-2020

Answer:

width = let width be w

area = 140

length = 2w-6

Area of a rectangle = l*b

⇒ 2w-6*w=140

⇒ [tex]2w^2-6=140\\2w^2 = 146\\w^2 = 146/2\\w^2 = 73\\w = \sqrt{73}[/tex]

Answer Link

Otras preguntas

Una cuerda de 20 pies se estira entre dos arboles. Un peso W cuelga del centro de la cuerda hace que el punto medio de la misma y baja 2 pies. Si la tensión res
Write the equation of the line that has an undefined slope and passes through the point (3,5)
63:(-7-2)+28:(-10-4)= separar en termino 20:(-4)-4+(-18:6-7):2= separar en termino
what expressions are equivalent to 3-b​
your birth was not an incident but it was the necessity for the sake of whole humanity
analyze the effects of price ceilings and price floors
Buddhist believe that “ the end to suffering is contained in the ____ fold path.”
What are the coefficients needed to balance this chemical reaction to show that matter is conserved?
Kulsum’s TV uses 45 W. How much does it cost her to watch TV for one month (30 days). She watches TV for 4 hours/day during mid-peak time (10.4 cents/kWh).
That dude is an absolute beast on the boards