• what is the missing reason in the proof

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  • ? Given: Data shows that the average household income has increased over the past year Proof: Since the average household income has increased, it can be concluded that economic conditions have improved. Missing reason: This is because an increase in average household income would suggest that people are earning more money, indicating a healthier economy.

    • Answered:

      Carina Patterson

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  • Let A and B be sets. Assume A ⊆ B. Then for all x, if x ∈ A then x ∈ B. Therefore, B must contain all elements of A, and thus A ⊆ B. The missing reason is that if x ∈ A then by assumption it follows that x ∈ B.

    • Answered:

      Ashleigh Eaton

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