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Mathematics, 21.06.2019 20:50
There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?
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Mathematics, 21.06.2019 21:30
Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.
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Mathematics, 21.06.2019 23:00
The value of cos 30° is the same as which of the following?
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23)
1863
F. 73
G. 81
H. 87
I. 90...
1863
F. 73
G. 81
H. 87
I. 90...
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