Mathematics, 21.08.2021 16:00 maylindominguez
the mean of seven numbers is 15. when three numbers are added, the mean of ten numbers becomes 12. find the mean of the three numbers.β
Answers: 1
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 β 0.2x = 9.1 d9.1 β 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 17:40
Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.
Answers: 2
the mean of seven numbers is 15. when three numbers are added, the mean of ten numbers becomes 12. f...
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