castjohn20 castjohn20
  • 26-04-2018
  • Mathematics
contestada

You draw two marbles without replacement from a bag containing three green marbles and four black marbles.

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mimijojo
mimijojo mimijojo
  • 26-04-2018
ok.
What is the question now?
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rouaamkk212i rouaamkk212i
  • 26-04-2018
2/7x1/6 
and thats without replacing your answer is 
2/42 equal 1/21
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