The rock hits the gorund at 45s. is the answer
No, for example, if you had the prime number 23, and you switched the numbers around, it is 32. 32 is not a prime number.
This is impossible to answer without knowing what the sets A and B contain (and what ξ even refers to - universal set?).
However, we have
(A U B)' = A' ∩ B'
so that
(A ∩ B) U (A U B)' = (A ∩ B) U (A' ∩ B') = (A U A') ∩ (B U B')
If ξ is indeed the universal set, then both A U A' = ξ and B U B' = ξ, so we end up with ξ ∩ ξ = ξ.
Answer:
slope is (y1-y2)/x1-x2 pick two points on the line
Step-by-step explanation:
