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Mathematics, 16.03.2020 18:59, kaybec2386
A jar contains only pennies, nickels, dimes, and quarters. There are 25 pennies, 21 dimes, and 29 quarters. The rest of the coins are nickels. There are 92 coins in all. How many of the coins are not nickels? If n represents the number of nickels in the jar, what equation could you use to find n?
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Mathematics, 21.06.2019 20:50, kidpryo1
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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A jar contains only pennies, nickels, dimes, and quarters. There are 25 pennies, 21 dimes, and 29 qu...
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