X+y=-9
-1x-2y=-5
solve using substitution...
Answers: 1
Mathematics, 21.06.2019 12:30
Find the power series expantion of f(z)=log(4=3z) at the point z=-1
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Mathematics, 21.06.2019 13:50
Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
Answers: 2
Mathematics, 21.06.2019 20:00
Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?
Answers: 1
Mathematics, 21.06.2019 22:10
Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?
Answers: 1