Mathematics, 12.07.2019 02:00, miko96
Underage smoking. the number of underage cigarette smokers (ages 10β17) has declined in the united states. the peak percent was in 1998 at 49%. in 2006 this had dropped to 36%. let t be time in years after 1998 (t = 0 corresponds to 1998). a. find a quadratic function that models the percent of underage smokers as a function of time. let (0, 49) be the vertex. b. now that you have the model, predict the percent of underage smokers in 2010.
Answers: 1
Mathematics, 21.06.2019 18:00, heids17043
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
Mathematics, 22.06.2019 01:50, Savageman9509
The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)
Answers: 1
Underage smoking. the number of underage cigarette smokers (ages 10β17) has declined in the united s...
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