Mathematics, 24.02.2021 03:30, raquelqueengucci25
16 The table shows the mean scores of three classes in a history test.
Mean Scores by Three Classes
Class
Mean Number of Points
A
8
B
6
С
9
The mean score of all the students in classes A and B combined is 6.8.
The mean score of all the students in classes B and C combined is 7.
If the number of students in classes A, B, and C are denoted by a, b,
and c respectively, find the ratio a: b:c.
Answers: 2
Mathematics, 21.06.2019 16:30, brennanjb00
Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?
Answers: 1
Mathematics, 21.06.2019 20:30, einsigcn8481
Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.
Answers: 2
Mathematics, 21.06.2019 22:20, twentyonepilots12018
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m
Answers: 1
16 The table shows the mean scores of three classes in a history test.
Mean Scores by Three Classes...
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