These two events are complimentary. So P(not rain)=1-P(will rain)
So, 75% is my guess
Need more context. How many marbles are there in total, how many colours and how many of each colour?
Answer:
(4, -3)
Step-by-step explanation:
-2u +v = -2(-1, 5) +(2, 7) = (-2(-1)+2, -2(5)+7)
= (4, -3)
Answer:36
Step-by-step explanation:
multiply by 2.
8x10
perimeter 2l+2w
16+20
36
There 220 ways to select 3 of the 12 South American countries for the Geography assignment that solved by using the theory of combination in mathematics. The combination in mathematics is a way of choosing items from a set of items. The combination formula is n x (n-1) x ... x (n- k + 1) / k x (k-1) x ... x 1 where n is the number items in the set which is 12 and k is the amount you want to combine from the set which is 3.