Answer:
9
Step-by-step explanation:
Mean = sum of number / total number
6 = (2 + x + 2 + 7 + 4 + 12) / 6
Multiply both sides by 6
36 = 27 + x
Solve for x
x = 36 - 27 = 9
29 minutes?
i divided 3.19 by 11 (20 - 16.81 is 3.19) and i got 29 so i think it is that amount of minutes
Yes
Hope that this helps :)
P.S. tell me if this is wrong
1) 5
2) square root 26
3) 3 pie
4) 2 square root 5
the first one