Mathematics, 25.06.2021 03:40 uchapman6286
Gold used to make jewerly is often a blend of gold, silver, and copper. Consider three alloys of these metals. The first alloy is 75% gold, 5% silver, and 20% copper. The second alloy is 75% gold, 12.5% silver, and 12.5% copper. The third alloy is 37.5% gold and 62.5% silver. If 100 g of the first alloy costs $2340.40, 100 g of the second alloy costs $2362.75, and 100 g of the third alloy costs $1350.00, how much does each metal cost?
Answers: 2
Mathematics, 21.06.2019 20:40
If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32
Answers: 1
Mathematics, 21.06.2019 23:00
If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost
Answers: 1
Gold used to make jewerly is often a blend of gold, silver, and copper. Consider three alloys of th...
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