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

Which three amendments were passed shortly after the Civil War?
how to use exponents to write 9,800,100 in expanded form
Harold bought 3 pounds of red apples and 4.2 pounds of green apples from the grocery store, where both kinds if apples are $1.75 a pound. How much did Harold sp
How did the February Revolution in Russia differ from the October Revolution?
suppose you play third base for Your high school softball team. In The last four games, You have a total of 6 hits in 15 at-bats. assuming you will have 4 at-
Which god or goddess is not correctly matched with his or her role? A. Re: god of the sun B. Osiris: ruler of the dead C. Isis: healed children D. Nut: ensured
what is the answer to y-5=-4
Consider the unbalanced equation for the combustion of hexane: 2C6H14(g)+19O2(g)→12CO2(g)+14H2O(g)Determine how many moles of O2 are required to react completel
______ is the Gross National Product. Answer The value of crops produced annually The average stock price of major industries The total value of goods and servi
Is an aluminum pie plate a example of alloy?