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# Gabriella's credit card has an apr of 24% calculated on the previous monthly balance. her credit card record for the last 7 months is shown in the table below.   ### Another question on Mathematics Mathematics, 21.06.2019 13:20
Hello i need some with trigonometric substitutions. $$\int\limits^a_b {x} \, dx$$ Mathematics, 21.06.2019 17:30
If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x? Mathematics, 21.06.2019 19:30 Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Gabriella's credit card has an apr of 24% calculated on the previous monthly balance. her credit car...
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