Mathematics, 28.06.2019 05:30 andershy1405
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 80 kg of a 52% copper alloy?
Answers: 1
Mathematics, 21.06.2019 12:50
Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8
Answers: 1
Mathematics, 21.06.2019 18:00
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
Answers: 3
Mathematics, 21.06.2019 19:20
The square root of 9x plus 7 plus the square rot of 2x equall to 7
Answers: 1
Mathematics, 21.06.2019 20:00
In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.
Answers: 1
Ametalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. how many kil...
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