Help please and fast bc it’s timed :)
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Mathematics, 21.06.2019 19:00
Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
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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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Mathematics, 21.06.2019 21:30
(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.
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Mathematics, 21.06.2019 22:00
Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom
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Mathematics, 20.09.2019 10:30
History, 20.09.2019 10:30
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Mathematics, 20.09.2019 10:30
Mathematics, 20.09.2019 10:30