Mathematics, 05.05.2020 10:44 dan7478
A study of a new medication found that patients who took the medicine have reduced blood pressure, compared to those who did not take the medicine. The research team concluded that the medicine caused the reduction in blood pressure. Which study design did they most likely use? (2 points)
a
They most likely used an experiment with patients randomly assigned to take the medicine or not take the medicine.
b
They most likely used an experiment with patients randomly assigned to groups based on their blood pressure.
c
They most likely used a survey asking patients if they took the medicine and how their blood pressure was affected.
d
They most likely used a survey asking patients if they took the medicine and if they felt the medication helped their blood pressure.
Answers: 2
Mathematics, 21.06.2019 21:00
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
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Mathematics, 21.06.2019 21:30
(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
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Mathematics, 21.06.2019 22:50
Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288
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A study of a new medication found that patients who took the medicine have reduced blood pressure, c...
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