scbmaster7535 scbmaster7535

27-06-2018
Mathematics

contestada

John has 12 marbles of different colors, including one red, one green, and one blue marble. in how many ways can he choose 4 marbles, if exactly one of the chosen marbles is red, green, or blue?

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aarissagarpa7gft aarissagarpa7gft

30-06-2018

3 ways (uncertain)
1 red or blue or green + 3 other colours

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BlueMoonII BlueMoonII

09-09-2020

Answer:

252

Step-by-step explanation:

AoPs

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