Which of the following Illusions the truth value of given statements ? 5 is less than 7 or 7 is less than 12.
2 answers:
An OR statement (written ) is true if either one of the statements is true, or both. This is the truth table:
In this case, both statements are true, because 5 is indeed smaller than 7, and 7 is smaller than 12. This means that you're in the first row of the truth table, and so the correct option is the first.
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Answer:
The last answer; 12.
Step-by-step explanation:
In order to solve this, use substitution. Since it gives you an equation for y, substitute that equation in the other formula as y. This will give you:
Then simplify:
Since 6x - 6x cancels out, you are left with 12.