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Mathematics, 25.06.2019 03:10 issagirl23
In triangle abcd& e are the points on sides ab and ac respectively and de parallel bc . if de=4cm ,bc=6cm and area of triangle ade=16cm2 , find the area of triangle abc
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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.
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In triangle abcd& e are the points on sides ab and ac respectively and de parallel bc . if de=4c...
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