Sample QnA to Preliminary Exam
Problems on Time and Work
1. If'A' completes a piece of work in...
Mathematics, 02.10.2020 15:01 Prettygirlyaya
Sample QnA to Preliminary Exam
Problems on Time and Work
1. If'A' completes a piece of work in 3 days, which 'B'
completes it in 5 days and 'C' takes 10 days to
complete the same work. How long will they take to
complete the work, if they work together?
Answers: 1
Mathematics, 21.06.2019 17:20, garciavergaraana
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 20:50, peachijmin
These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?
Answers: 2
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