samuelobh samuelobh

02-05-2020
Mathematics

contestada

Answer the question in the included image.

Answer the question in the included image class=

Respuesta :

lucasella lucasella

15-05-2020

Answer:

1/3

Step-by-step explanation:

x(x-2)+2x+36-3x+46=100; x>0

x²-2x+2x-3x+82-100=0

x²-3x-18=0

x²-6x+3x-18=0

x(x-6)+3(x-6)=0

(x+3)(x-6)=0 => x=6

=> 6(6-2)+2*6=36 stamps in the 20th century

2x=2*6=12 stamps in the 20th century and British stamps

Probability=12/36=1/3

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