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Mathematics, 14.07.2019 14:30 roperbailey
In a certain chemical, the ratio of zinc to copper is 4 of 13. a jar of the chemical contains 338 grams of copper. how many grams of zinc does it contain?
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Mathematics, 21.06.2019 17:30
Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
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Mathematics, 21.06.2019 18:00
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
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In a certain chemical, the ratio of zinc to copper is 4 of 13. a jar of the chemical contains 338 gr...
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