What is the value of X?
-5x-5y=25
3x+5y=-21...
Answers: 3
Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
Mathematics, 21.06.2019 19:20
Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4
Answers: 3
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
Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
Answers: 1
English, 31.05.2021 21:30
Mathematics, 31.05.2021 21:30
Computers and Technology, 31.05.2021 21:30
History, 31.05.2021 21:30
History, 31.05.2021 21:30
Mathematics, 31.05.2021 21:30
English, 31.05.2021 21:30
Business, 31.05.2021 21:30
Mathematics, 31.05.2021 21:30
World Languages, 31.05.2021 21:30
SAT, 31.05.2021 21:30
Mathematics, 31.05.2021 21:30