If the 5 scores have a mean of 8, then their total sum would be 8*5 = 40
Now if one score if added (let's call this score x), there are 6 scores and the mean changes to 9, thus:
(40 + x)/6 = 9
40 + x = 54
x = 14
Answer:
Because you didnt pay for brainly.
If you do, no adds :D
Its a lot easier to be honest
Answer:
Answer:
3x + 3y = 0
7x - y = 8
Step-by-step explanation:
Answer:
3 dollars for each can of tuna
Step-by-step explanation:
9-3=6
6-3=3
3-3=0
Answer:
The answer is 1/4!
Step-by-step explanation: