Mathematics, 01.12.2021 01:00 antasia12342
6. A professor would like to investigate whether people who frequently get full
dash body scans are more likely than people who do not get full dash body scans to get
brain cancer. From the students in his class, he picks half at random to get full dash body
scans each week and half to not ever get a full dash body scan. Fifty years from now, he
will analyze whether more people who frequently get full dash body scans got brain
cancer than people who do not get full dash body scans.
a. Is this an experiment or an observational study? Why?
b. Summarize at least three practical difficulties with this planned study.
Answers: 2
Mathematics, 21.06.2019 16:00
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.
Answers: 1
Mathematics, 21.06.2019 17:00
Use the expression below.β4b + 8c + 12 β 8b β 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(β2b + c + 3) b. 3(β2b + c + 3) c. 4(β2b + c + 3) d. 6(β2b + c + 3)part cwhat is the value of the expression when b = 2 and c = β3? enter your answer in the box.
Answers: 1
Mathematics, 21.06.2019 20:30
Iβm on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank
Answers: 2
Mathematics, 21.06.2019 22:00
The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.
Answers: 1
6. A professor would like to investigate whether people who frequently get full
dash body scans ar...
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