Mathematics, 25.05.2021 16:10 TerronRice
Ryan is cleaning out his room. his sister dives him 4 boxes of books to put with the 3 books he already had. when he finishes he discovers he know has 35 books on his shelves. how many books were in each box.
Write an algebraic expression to represent this problem then solve.
help plz
Answers: 3
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
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
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