Mathematics, 28.06.2019 10:30 dbrwnn
Ametalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. how many kilograms of each alloy should the metalworker combine to create 100 kg of a 52% copper alloy? the metalworker should use of the metal alloy that is 20% copper and kilograms of the metal alloy that is 60% copper (type whole numbers.)
Answers: 1
Mathematics, 21.06.2019 15:00
1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.
Answers: 1
Mathematics, 21.06.2019 17:40
Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane
Answers: 2
Mathematics, 21.06.2019 21:00
Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.
Answers: 1
Mathematics, 21.06.2019 22:00
Given: โณacm, mโ c=90ยฐ, cp โฅ am , ac: cm=3: 4, mp-ap=1. find am.
Answers: 2
Ametalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. how many kil...
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