Mathematics, 10.01.2020 06:31, otblilbro
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, in a semester, most (95%) of the students spent on textbooks: a. between 215 and 255 dollars. b. between 195 and 275 dollars. c. between 175 and 295 dollars. d. less than 215 dollars or more than 255 dollars. e. above 235 dollars.
Answers: 3
Mathematics, 21.06.2019 18:00, peytondavis2424
Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares
Answers: 1
Mathematics, 21.06.2019 19:00, wannaoneisforever
What numbers are included in the set of integers? what numbers are not included?
Answers: 2
Mathematics, 21.06.2019 22:00, johnlumpkin5183
Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
Answers: 1
Mathematics, 21.06.2019 22:30, foreignlove1039
If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air
Answers: 2
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