Mathematics, 03.10.2019 04:00 thepantsgirl
Let a, b, c and d be sets. prove that a \ b and c \ d are disjoint if and only if a ∩ c ⊆ b ∪ d
Answers: 1
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If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes
Answers: 3
Mathematics, 21.06.2019 18:00
Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?
Answers: 2
Mathematics, 21.06.2019 19:00
Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective
Answers: 2
Let a, b, c and d be sets. prove that a \ b and c \ d are disjoint if and only if a ∩ c ⊆ b ∪ d...
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