Solve the equations
3a + b = 10 and 2a + 4b =0.
3a + b = 10
2a + 4b=0...
Mathematics, 21.02.2021 14:00, TheDoges
Solve the equations
3a + b = 10 and 2a + 4b =0.
3a + b = 10
2a + 4b=0
Answers: 1
Mathematics, 21.06.2019 14:30, kawaiiiiiiii4715
The circumference of a circle is 5 pi cm. what is the area of the circle?
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
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.
Answers: 3
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