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kaylaketcham:
Write a proof for the biconditional using the inverse and contrapositive. x ≥ 4 if and only if 3x ≥ 12.
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jhonyy9:
there is 3x>= 12 what you get then you divide both sides by 3 ?
Rozzy678:
Inverse Converse and Contrapositive statements If the statement is true, then the contrapositive is also logically true. If the converse is true, then the inverse is also logically true.
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