Mathematics, 29.07.2019 18:00, Geo777

What is 3/10 x 50 = in mixed numbers?

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Mathematics, 21.06.2019 15:10, jenashaqlaih

What is 32+4 x (16 x 1/2) -2 show your work}

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Mathematics, 21.06.2019 18:30, genyjoannerubiera

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8 feet of ribbon. he cut off one piece that was 3 5/8 feet long and another piece that was 1 1/4 feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

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Mathematics, 21.06.2019 19:10, cottoncandy465

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

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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.