(3x+1) = 64
3x = 63
3x/3 = 63/3
x = 21
The mean is 13.4 because after I add the numbers in the set, the sum comes out to be 134. There are 10 numbers in the set, so you divide 134 by 10, which is 13.4 (134 <span>÷ 10 = 13.4). That is how you get the mean. It's "mean" to you because you 'gotta do a lot of work to get your final mean. </span>
Answer:The Last One
Step-by-step explanation:
Answer:
See below.
Step-by-step explanation: