Mathematics, 25.06.2019 01:30 emma5743
20 points if o n = 8 x − 8 , l m = 7 x + 4 , n m = x − 5 , and o l = 3 y − 6 , find the values of x and y for which lmno must be a parallelogram.
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 20:30
The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a
Answers: 2
Mathematics, 21.06.2019 21:30
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
Answers: 2
20 points if o n = 8 x − 8 , l m = 7 x + 4 , n m = x − 5 , and o l = 3 y − 6 , find the values of x...
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