Answer:
7.8
Step-by-step explanation:
If all the scores of n students are the same, say x, then the average is
x*n/n, which is of course x.
Answer:
<h3>
<em><u>x=3 or x=-10</u></em> is the right answer.</h3>
Line 3
since he added which is against the order of opreation rule he was supposed to multiply first then add
again what he was supposed to do is
Line 2:21+5+6(2)
Line 3:21+5+12
Answer:9
Step-by-step explanation:because when we add 7+7+6+6=26 then we will going to 35-26= 9 im not sure so don’t hate me if it was wrong
