exam
Maths Puzzle
Numerical Ability
How do I prove these directly, and indirectly
given:p^~(q ^ r)
p-> q
(~w v s)-> ~r
prove: q ^ ~s
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exam Other Question
the speed of the airplane in still air is 186mph. the plane travals 538 mi againt the wind and 1415 mi with the wind in a total time of 12 hr. what is the speed of the wind
Not owning, need help...
err, its a function.
2x+y=6