The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?


The above equation can further be written as:

New mean = 
= 66.09
Therefore, the new mean is 66.09

with y equaling the total and x equaling the number if months
My guess is that there is 5 angles and 5 sides... because i divided 10 in half
likeee this
10 ÷ 2 = 5
and bam we have our answer
Answer:
x=14
y=27
z=43
Step-by-step explanation:
hope it helps!
4.5 and maybe 16-64. If they count -