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Alecsey [184]
3 years ago
10

A bag contains 2 red marbles, 7 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the exact pro

bability that both marbles drawn will be blue?
Mathematics
1 answer:
vivado [14]3 years ago
4 0

Answer:

0.25 or 25%.

Step-by-step explanation:

2 Red + 3 Blue + 7 Green = 12 Total Marbles.

You have 3 blue marbles out of the total marbles, so 3/12, then simplify it. 3/12 = 1/4. This gives you 0.25, or 25%.  

The probability of drawing a blue marble is 0.25 or 25%

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NO COPYING
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Then examine the number see what place it is in then add another place (in this case it is in the 10000ths place) so multiply it but 10000x

so it would look like: 10000x = 0.1515

then you will move the decimal in to a whole numbers place (0.1515 to 1515.1515

then subtract the decimal 1515.1515- .1515= 1515.

dont forget to subtract from both sides so subtract the 10000x too. (999.515)

then write as fraction form 1515/9999

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