subject
Mathematics, 03.08.2019 21:30 bridgetosanders

Ametalworker has a metal alloy that is 25% copper and another alloy that is 65% copper. how many kilograms of each alloy should the metalworker combine to create 120 kg of a 49% copper alloy? the metalworker should use nothing kilograms of the metal alloy that is 25% copper and nothing kilograms of the metal alloy that is 65% copper.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
question
Mathematics, 21.06.2019 21:00
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !
Answers: 1
question
Mathematics, 22.06.2019 00:00
Ineed with the quizzes in apex mathematics ii
Answers: 1
question
Mathematics, 22.06.2019 01:30
Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?
Answers: 3
You know the right answer?
Ametalworker has a metal alloy that is 25% copper and another alloy that is 65% copper. how many kil...
Questions
question
Health, 12.12.2020 16:50
question
English, 12.12.2020 16:50
question
Mathematics, 12.12.2020 16:50
Questions on the website: 13722363