9. Evaluate the expressions: a. 41 div 5= b. 41 mod 5= 9. Last Tuesday you agreed to meet a friend exactly 120 days from that day. What day of the week will that day be? (Show your work) 10. Prove by contradiction: "For all integers m, 5m + 4 is not divisible by 5"

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Discrete Structure Math

 

9. Evaluate the expressions:

    a. \( 41 \div 5 = \)

    b. \( 41 \mod 5 = \)

9. Last Tuesday you agreed to meet a friend exactly 120 days from that day. What day of the week will that day be? (Show your work)

10. Prove by **contradiction**:

“For all integers \( m \), \( 5m + 4 \) is not divisible by \( 5 \)”
Transcribed Image Text:9. Evaluate the expressions:     a. \( 41 \div 5 = \)     b. \( 41 \mod 5 = \) 9. Last Tuesday you agreed to meet a friend exactly 120 days from that day. What day of the week will that day be? (Show your work) 10. Prove by **contradiction**: “For all integers \( m \), \( 5m + 4 \) is not divisible by \( 5 \)”
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