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Mathematics, 21.06.2019 15:30
Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.
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At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.
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Mathematics, 21.06.2019 22:00
Percent increase and decrease. original number: 45 new number: 18
Answers: 1
Nine more than twice a number is less than -11...
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