Answer:
He has 420 liters of paint.
Step-by-step explanation:
all you have to do is add 110 = 310
Answer:
335, 517, 448
Step-by-step explanation:
set it up in a row
33_
5_7
+ _48
______
1300
look at the last column (add 7 +8) that give you 15. the last column is 0 you need to add 5 therefore the top blank is 5. don't forget to carry your 2
middle column is 2 (from carrying over) +3 +? plus 4...equals 9 you need it to equal 0 so add 1 (carry 1 over)
first column add 1 from carrying over +3 +5 +? =13 1+3+5=9 therefore you need 4 more to get 13.
If you mean (3n-2m)^2 then the answer is
9n^2-12mn+4m^2
So B
<u><em>Explanation</em></u>
5 students got 6 mark each, 4 students got 7 marks each, 7 students got 8 marks each, 10 students got 9 marks each and 4 students got 10 marks each.
(a) <u>Range is the difference of highest mark and lowest mark.</u> Here, the highest mark is 10 and lowest mark is 6.
So, the range of mark
(b) Total number of students in the group
(c) Mean is the <u>simple average.</u> So, for finding the Mean, we will divide the total marks obtained by all students by the total number of students.
Total marks obtained by all students
So, the Mean mark of the group
I believe the answer is -10