Mathematics, 15.09.2021 08:40, mrashrafkotkaat
Chứng minh rằng tam giác với ba đỉnh (1, 2, 3), (4, 0, 5) và (3, 6, 4) có một góc vuông. Tìm hai góc còn lại.
Answers: 3
Mathematics, 21.06.2019 15:30, superstarsara5ouh83x
Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).
Answers: 3
Mathematics, 21.06.2019 17:30, cupcakes5335
#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.
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
Chứng minh rằng tam giác với ba đỉnh (1, 2, 3), (4, 0, 5) và (3, 6, 4) có một góc vuông. Tìm hai
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