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, 22.06.2019 01:30, OinkFred
20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.
Answers: 2
Can someone help me on this question please
...
...
History, 27.07.2019 16:30
English, 27.07.2019 16:30
History, 27.07.2019 16:30
Biology, 27.07.2019 16:30
Social Studies, 27.07.2019 16:30
Spanish, 27.07.2019 16:30