Y - 2x + 4
y = 3x - 6
solve using substitution...
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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
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Mathematics, 21.06.2019 17:00
How to solve a simultaneous equation involved with fractions?
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Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?
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Mathematics, 21.06.2019 22:30
21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?
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