Answers: 2
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 20:40, Nyasiahenry
The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?
Answers: 2
Mathematics, 21.06.2019 23:00, jenhowie2944
Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?
Answers: 1
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