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Mathematics, 21.06.2019 13:30
Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
Answers: 3
Mathematics, 21.06.2019 16:30
Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form
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Mathematics, 21.06.2019 18:40
Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
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Mathematics, 21.06.2019 19:30
In the geometric progression –3, 12, −48… what term is 3,072?
Answers: 2
Mathematics, 29.12.2019 00:31
Mathematics, 29.12.2019 00:31
Mathematics, 29.12.2019 00:31
Health, 29.12.2019 00:31
Chemistry, 29.12.2019 00:31
Mathematics, 29.12.2019 00:31
Mathematics, 29.12.2019 00:31