If the boolean expression a is true and b is false, the value of the logical expression a and b is ________.

1 answer:

4 0

<span>false The truth table for the and function is Inputs output a b t/f f f f f t f t f f t t t which shows that the and function is only true if and only if both of its inputs are true. Since b is false, then the value of the function a and b is false.</span>

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Solve the system of equations by elimination <br> 3x+4y=31<br> 2x-4y=-6

ANEK [815]

3x + 4y = 31
2x - 4y = -6

*The +4 and -4 in the center of the equation cancel out because 4-4 = 0*

3x = 31
2x = -6
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*add like terms*

3x + 2x = 5x

31 - 6 = 25

So now you should have this written on your paper ... > 5x = 25

*Divide by 5 on each side*

5x = 25
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