Help pls
...
Answers: 2
Mathematics, 21.06.2019 19:00
How is working backward similar to solving an equation?
Answers: 1
Mathematics, 21.06.2019 19:10
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap
Answers: 2
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 22:00
Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).
Answers: 1
English, 20.09.2019 17:00
Social Studies, 20.09.2019 17:00
Health, 20.09.2019 17:00
Health, 20.09.2019 17:00
History, 20.09.2019 17:00
English, 20.09.2019 17:00
Physics, 20.09.2019 17:00
Biology, 20.09.2019 17:00
History, 20.09.2019 17:00
History, 20.09.2019 17:00
History, 20.09.2019 17:00