Partition the set A into 4 subsets:
{1, 8}, {2, 7}, {3, 6}, and {4, 5},
each consisting of two integers whose sum is 9. If 5 integers are selected from A,
then by the Pigeonhole Principle at least two must be from the same subset. But
then the sum of these two integers is 9.
Answer:
1. -9
2. -2
3. -3
4. 2 (positive)
Step-by-step explanation:
positive + negative= positive
negative + positive =negative
positive +positive =positive
negative +negative =negative
hope you like it ( ' - ' )
Cos(t/2) I got .45 is that what you were looking for or do I need to plug it into the equation up top? can you give me notes of something? cos( -9/11/2) = .45
If there is a picture I could help lmk if u get one
