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Mathematics, 18.09.2019 22:10 versaceblooper
19. the opposite of a number is -9. what is the number?
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Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
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19. the opposite of a number is -9. what is the number?...
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