Mathematics, 23.04.2021 21:00, muhammed95
a coin collection contains nickels and quarters. there are 30 coins in the collection. the number of quarters is 2 more than the number of nickels. how many nickels are in the collection?
Answers: 3
Mathematics, 21.06.2019 15:30, leeenaaa95
On a architect's drawing of a house, 1 inche representa 1.5
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Mathematics, 21.06.2019 20:00, dbn4everloved
Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?
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Mathematics, 21.06.2019 21:50, zymikaa00
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
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