Mathematics, 19.02.2020 04:59 leah24645
A chemist has two alloys, one of which is 15% gold and 20% lead and the other which is 30% gold and 50% lead. How many grams of each of the two alloys should be used to make an alloy that contains 82.5 g of gold and 113 g of lead?
Answers: 2
Mathematics, 21.06.2019 17:00
Can someone pls ! pls answer all. no explanation needed..
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Mathematics, 21.06.2019 17:30
At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?
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Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .
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What is always true about a positive integer raised to a negative odd power?
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A chemist has two alloys, one of which is 15% gold and 20% lead and the other which is 30% gold and...
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