mackenzienr
mackenzienr mackenzienr
  • 15-03-2018
  • Mathematics
contestada

The length of a rectangle is 3 m longer than its width.
The area is the rectangle is 154m^2.
What is the width of the rectangle?

Respuesta :

omorales671p3edgc omorales671p3edgc
  • 15-03-2018
Let x = width
Then, x + 3 = length 
So, 2x + 2(x + 3) = 26   
   2x + 2x + 6 = 26 
   4x = 20     
x = 5width = x = 5m and length = x + 3 = 8m Area = (length)(width) = (5)(8) =
40 m2 
Answer Link

Otras preguntas

why do we use a coeficient to remove the propotionality
What does the random variable (r) for a binomial experiment of n trials represent?
let f(x)=2x+2. solve f^-1(x) when x=4.
Is velocity related to momentum
If a store credit account charges 1.5% interest each month, what is the APR?
If a store credit account charges 1.5% interest each month, what is the APR?
Lim[(sqrt(cos(2x))-cubicrootof(cos(x))]/arctg(x^2) when x->0
why do we use a coeficient to remove the propotionality
What are some key words to use in writing and evaluation?
Six nickels is what percent of one dollar? What percent of $2.00 would it be? Please help.