ElizaBeth0915
ElizaBeth0915 ElizaBeth0915
  • 22-04-2017
  • Mathematics
contestada

!HELP!
A rectangle has a length that is three more than twice it's width. Which equation correctly models its area?

a. 3x^2+2x
b. x^2
c. 2x^2+3x
d. x^2+3x

Respuesta :

lilbaello
lilbaello lilbaello
  • 22-04-2017
x^2+3x

that be my answer
Answer Link
irspow
irspow irspow
  • 22-04-2017
let x=w, and then L=2x+3

Since area is LW we have:

A=x(2x+3)

A=2x^2+3x   (c.)
Answer Link

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