2 years ago

-9.2. Divided by 7.9.

Mathematics

1 answer:

Wittaler [7]2 years ago

7 0

Answer:

Step-by-step explanation:

44w55

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-15²

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2 years ago

Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor

BigorU [14]

The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

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The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = $\frac{5}{20} = \frac{1}{4}$

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = $\frac{4}{19}$

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= $\frac{1}{19}$

Therefore, the probability that Gina randomly selected two red marbles is 1/19

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