SOLUTION: determine the truth value of the statement.... how do you do this with numbers?
(15-7=22) or 4+9=13 and 9-8=1
thank you
Algebra.Com
Question 452074: determine the truth value of the statement.... how do you do this with numbers?
(15-7=22) or 4+9=13 and 9-8=1
thank you
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You really need another set of parentheses to avoid ambiguity. I can't really tell whether you mean:
\ or\ (4\ +\ 9\ =\ 13\ and\ 9\ -\ 8\ =\ 1))
Or
\ or\ (4\ +\ 9\ =\ 13))\ and\ (9\ -\ 8\ =\ 1))
Although it turns out that it doesn't matter in this situation.
15 minus 7 is 8, not 22 so that one is false. But 4 plus 9 is 13, so true and 9 minus 8 is 1 so also true. Hence you either have:
})
Which, in the aggregate is True
Or you have
 and True})
Which is also true in the aggregate.
Actually, statements using numbers are easier because the truth of the statement is more objective. Even saying something like "The grass is green" is subject to interpretation -- what kind of grass? Are you in Phoenix in the middle of summer? But with numbers, 2 + 2 = 4 is true and 2 + 2 = 5 is false always and forever.
John
My calculator said it, I believe it, that settles it
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