Mathematics, 06.11.2020 14:00 natalyarenassalgado
Question...Sleep is known to affect student grades. Kirsten is conducting a study in a local high school using two treatments on two groups of students. One group will nap one hour in an eight-hour school day and another will nap 30 minutes in an eight-hour school day. What group would be the best control for the study?
Options...
A third group that takes a one-hour nap or a 30-minute nap randomly each day
A third group that shortens the school day to six hours
A third group in which no naps occur
A third group that splits the day with a 30-minute nap in the morning and a 30-minute nap in the afternoon
A third group in which each student chooses either a 30-minute nap or a one-hour nap
Answers: 2
Mathematics, 21.06.2019 18:00
Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?
Answers: 2
Mathematics, 21.06.2019 20:00
Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5
Answers: 1
Mathematics, 22.06.2019 00:00
If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?
Answers: 2
Question...Sleep is known to affect student grades. Kirsten is conducting a study in a local high sc...
Chemistry, 18.10.2019 23:00
Biology, 18.10.2019 23:00
English, 18.10.2019 23:00
History, 18.10.2019 23:00
Mathematics, 18.10.2019 23:00
Biology, 18.10.2019 23:00
Social Studies, 18.10.2019 23:00
History, 18.10.2019 23:00