Mathematics, 08.09.2021 05:40 crobinson5087
Two vehicles head toward each other from opposite ends of a freeway 1524 kilometers long. If the speed of the first vehicle is 65 kilometers per hour and the speed of the second vehicle is 62 kilometers per hour, how long will it take before the vehicles pass each other?
Answers: 3
Mathematics, 21.06.2019 21:00
Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?
Answers: 1
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
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