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sergey [27]
3 years ago
6

Can someone please help me!?

Mathematics
2 answers:
umka21 [38]3 years ago
8 0
Since you're not returning the marble, there is one less to choose from in the second draw.

First draw: 5/10 (five out of 10 are red)
Second draw: 4/9 (four out of 9).

First AND second draw: 5/10*4/9 = 20/90 = 2/9, answer B.

Second question: the only possibility is to pick a red tulip, so that's a certainty! Answer A.
g100num [7]3 years ago
4 0
I'm not so sure about the first one but I think it's B
and for the second it would be certain because all of the tulips are red.
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