Mathematics, 07.12.2021 21:40, SpookyAlex2132
A metalworker has a metal alloy that is 30% copper and another alloy that is 60% copper. How many kilograms of each alloy should the metalworker combine to create 60 kg of a 54% copper alloy? The metalworker should use blank kilograms of the metal alloy that is 30% copper and blank kilograms of the metal alloy that is 60% copper.
Answers: 3
Mathematics, 21.06.2019 17:50, domiyisthom
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 21:50, roxanneee2145
5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%
Answers: 2
A metalworker has a metal alloy that is 30% copper and another alloy that is 60% copper. How many ki...
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