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Mathematics, 21.06.2019 14:00
Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.
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Mathematics, 21.06.2019 16:30
Anyone know? is appreciated! will mark brainliest if correct!
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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.
Answers: 3
Mathematics, 21.06.2019 20:40
Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?
Answers: 3
Cho hàm sŁ y = (x + 2) (x2 − 3x + 3) có đồ thị (C)...
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Mathematics, 11.10.2019 19:40
Mathematics, 11.10.2019 19:40
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Mathematics, 11.10.2019 19:40
Mathematics, 11.10.2019 19:40
Mathematics, 11.10.2019 19:40