Mathematics, 19.03.2021 21:30 luzinaustin
Three students were asked to draw a diagram of the following situation and their responses are recorded below:
A 6-foot tall man is standing 20 feet from a flagpole when he notices a puddle between him and the flagpole. The man can see the top of the flagpole in the center of the puddle. If the puddle is four feet away from the man, how tall is the flagpole?
Which student correctly drew the diagram and what is the height of the flagpole?
Answers: 1
Mathematics, 22.06.2019 02:30
Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias
Answers: 2
Mathematics, 22.06.2019 02:30
Ineed on these fraction questions! could'ya me? 1. 3/8 ( ? ) 0.295 a. = b. > c. < 2. -0.770 ( ? ) -4/5 a. = b . < c. >
Answers: 1
Mathematics, 22.06.2019 03:30
3a + 5b - 7 = 0 a - 2b - 4 = 0 solve the system by the elimination method. check your work {(96/11, -5/11)} {(34/11, -5/11)} {(32/33, 5/11)}
Answers: 1
Three students were asked to draw a diagram of the following situation and their responses are recor...
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