Mathematics, 04.09.2021 15:40 christylivingsowzxa2
Caroline is tiling her bathroom floor. each tile is a square, with 25cm sides. The bathroom floor is in the same of rectangle,4.5m by 2m. Usual price $15 per pack. Buy more than 10 packs and get 20 percent off the total price. a) How many packs of tiles does Caroline need? b) What is the total amount that Caroline pays for the tiles?
Answers: 3
Mathematics, 21.06.2019 18:00
What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18
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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
Caroline is tiling her bathroom floor. each tile is a square, with 25cm sides. The bathroom floor is...
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