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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?
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Mathematics, 21.06.2019 18:00
If a translation of t-3,-8(x, y) is applied to square abcd what is the y-coordinate of b'? the y-coordinate of is 43 mark this and return save and exit next submit
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Mathematics, 21.06.2019 23:00
Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.
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7 divi by 18 20 points...
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