The missing length is 40 m.
Step-by-step explanation:
30^2 + b^2 = 50^2
900 + b^2 = 2500
-900 -900
b^2 = 1600
b= 40
.24
step-by-step explanation:
the probability is .24
the first player had the highest probability of getting a silver marble
the game could be made fair by adding back the marble that was drawn after each draw
1. 3.4/4
2. 0.8/7
3. 0.5 x 3
4. 0.9 x 6
5. 10.8
6. 2.35
7. 0.567
8. 9.35
9. 0.02
10. 0.06
11. 0.16
12. 0.42
13. 0.63
14. 5.6
15. 8.1
16. 9.9
17. 0.28
18. 0.48
19. 0.27
20. 0.49
21. 0.45
22. 0.72
23. 0.9
24. 0.88
25. 0.75
26. 0.16
27. 0.328
28. 0.495
29. 0.72
30. 1.068