Mathematics, 04.05.2021 06:10 nicole10perez
People who walked for half an hour three times a week and people who sat quietly reading a book for half an hour three times a week participated in a one-year study. At the end of the year, the change in each participant's blood pressure was measured. The changes were compared for the two groups. This is an observational study rather than a randomized experiment because
A. a random sample of participants was used
B. the two groups were compared at the end of the study.
c. blood pressure was measured at the beginning and end of the study
d. the participants were not randomly assigned to either walk or read.
Answers: 3
Mathematics, 21.06.2019 20:30, cupcake20019peehui
Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?
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Mathematics, 21.06.2019 20:30, brookieharrisop5n7us
What is the volume of the cone to the nearest cubic millimeter? (use π = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?
Answers: 1
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Drag the tiles to the correct boxes to complete the pairs. using the properties of integer exponents, match each expression with the correct equivalent expression.
Answers: 1
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