maths Flashcards

(6 cards)

1
Q

what is a prime number

A

a whole number greater than 1 that cannot be exactly divided by any whole number other than itself and

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2
Q

what does that n looking symbol mean in sets

A

(A ∩ B) = The number of elements that are common to both A and B

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3
Q

what does the u looking symbol mean in maths

A

just everything

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4
Q

what does ‘ mean in sets

A

s a set that contains the elements present in the universal set but not in set A

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5
Q

what does \ mean in maths

A

so like if it was q\p you take away everything in p and whatever is in q is your answer

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6
Q

what does the # mean

A

the number

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