Show that these is countably infinite
{x∈r:x>0∧x2∈q}...
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Mathematics, 21.06.2019 21:30
Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?
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Mathematics, 22.06.2019 02:50
Given: x - 4x > 0, then the solution set in interval notation is: (-2, 0) true o false
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