Another way is the formula:
Πr^2. (pi)(r) squared
Hope this helps!
I'm honestly not really sure, but it has to be either (2,10) or (10,2). I've never seen a question like this...
Answer:
Step-by-step explanation:
Answer:
x=15
y=18
Step-by-step explanation:
then x+y=33
and 2x+5y=120
then x=33–y
since 2x+5y=120
then 2(33–y)+5y=120
then 66–2y+5y=120
then 66+3y=120
then 3y=120–66
then 3y=54
then y=54/3
then y=18
then x=33–18=15
Answer:
4×30+5×30=120+150=270
Step-by-step explanation:
looking at the last row, we can see that the total number of students will be 4×30+5×30=120+150=270
