Mathematics, 05.07.2019 16:00 diontna29
Un herrero fabrica aleaciones utilizando como base tres minerales: plata, hierro y cobre. se conoce que cada kilogramo de plata, hierro, y cobre cuestan respectivamente 10, 4 y 2 monedas de oro. el herrero requiere 11 kilogramos de una aleaci ́on, cuyo costo en materiales sea de 40 monedas de oro, y adem ́as, para garantizar su efectividad es necesario que la cantidad de hierro sea el doble de la cantidad de cobre. ¿qu ́e cantidad de cobre es necesaria para elaborar la aleaci ́on?
Answers: 1
Mathematics, 21.06.2019 15:20
If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
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Mathematics, 21.06.2019 20:00
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
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
Mathematics, 22.06.2019 01:00
Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?
Answers: 3
Un herrero fabrica aleaciones utilizando como base tres minerales: plata, hierro y cobre. se conoce...
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