Mathematics, 02.02.2020 19:45, haley816
Supercaff cola conducted a survey to gauge the effectiveness of their advertising. the researchers estimated from the survey that between 27% and 37% of the target population remember the ads. what was the margin of error for this research?
+5%
+10%
+32%
it is not possible to determine
Answers: 1
Mathematics, 21.06.2019 14:00, jess4kids
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
Answers: 3
Mathematics, 21.06.2019 18:20, sweetbri7p5v6tn
Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a. x2 β 4x β 7 = 0b. 4r2 + 11r β 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
Answers: 1
Supercaff cola conducted a survey to gauge the effectiveness of their advertising. the researchers e...
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