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Mathematics, 19.05.2021 19:20 catchonyet
Anna has a box that contains 4 red marbles and 3 green marbles. All of the marbles are the same size.
Without looking inside the box, what is the probability she will draw a red marble from the box, and then,
without replacing the first marble, draw another red marble?
A 1 / 2 B. 2/7 C. 4/7 D. 5/9
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Mathematics, 21.06.2019 20:00
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k
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Anna has a box that contains 4 red marbles and 3 green marbles. All of the marbles are the same size...
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