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rallen1158
17.12.2020 •
Mathematics
A family goes hiking in Death Valley which has the
lowest elevation in North America. They start out 200
feet above sea level before descending into the valley.
They descend into the valley at a rate of 100 ft. every 30
minutes. After hiking for 3 hours, at what elevation are
they?
Solved
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Ответ:
(p ^ q) V (p ^ r) means Union of (p ^ q) and (p ^ r). The property of Union of two sets/events is that it will be true if either one of the event or both the events are true i.e. there must be atleast one True(T) to make the Union of two sets to be True.
So, (p ^ q) V (p ^ r) will be TRUE, if either one of (p ^ q) and (p ^ r) or both are true. From the given table we can see that only the outcomes A, B and C will result is TRUE. The rest of the outcomes will all result in FALSE.
Therefore, the answer to this question is option 2nd