Mathematics, 07.12.2019 01:31 Echo009
Aradioactive isotope has a half-life of 13 hours. find the amount of the isotope left from a 400-milligram sample after 52 hours. if necessary, round your answer to the nearest thousandth.
Answers: 3
Mathematics, 21.06.2019 17:50
Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.
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Mathematics, 21.06.2019 22:00
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
Mathematics, 21.06.2019 23:10
Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?
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Aradioactive isotope has a half-life of 13 hours. find the amount of the isotope left from a 400-mil...
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