Mathematics, 28.09.2020 01:01 Xavitheking2542
You bought a magazine for $3 and six notepads. You spent a total of $27. How much did each notepad cost? A) Define your variable B) Write the equation C) Solve the equation n= 3 n=4 n = 5
Answers: 2
Mathematics, 21.06.2019 19:00
D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°
Answers: 1
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 20:00
Select the graph of the solution. click until the correct graph appears. |x| = 3
Answers: 2
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