04-10-2020
Mathematics

contestada

The length of a rectangle is 5 m more than twice the width of the rectangle . Length = Width =

Respuesta :

gracebrown20 gracebrown20

04-10-2020

Answer:

42

Step-by-step explanation:

L=2W+5

LW=42

(2W+5)W=42

2W^2+5W-42=0

(2W-7)(W+6)=0

2W-7=0

2W=7

W=3.5 ANS.

L=2*3.5+5=7+5=12 ANS.

PROOF:

3.5*12=42

42=42

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