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Earn +20 ptsQ: True or false is 18 a square number?
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True or false- two ducks two dogs and two cats have a total of 18 legs?
False!
Is 4x2 plus 24x plus 18 a perfect square trinomial?
false!
Is 18 a square number?
no
Is the square root of negative 18 rational or irrational?
It is neither because the square root of -18 is an imaginary number but the square root of 18 is irrational
Is the sum of all prime numbers less than 8 is 17 true or false?
1 + 2 + 3 + 5 + 7 = 18 False sorry, that is true, since 1 is not considered a true prime by definition
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