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Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
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Simplify (8x2 β 1 + 2x3) β (7x3 β 3x2 + 1). β5x3 + 11x2 β 2 5x3 β 11x2 + 2 x3 + 2x2 + x3 x3 β 2x2 β x3
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