Answer:Since the integers are closed under addition, . m C n C 1/ is an integer, and hence the last equation shows that x C y is even. Therefore, we Page 3 Appendix C. Answers for Exercises 539 have proven that if x and y are odd integers, then x C y is an even integer. P1 There exists an integer k m D 2k.
Step-by-step explanation:
Answer:
432
Step-by-step explanation:
60 minutes is one hour
60 times 4=240
=240+192=432
820,445 in expanded form: 800,000 + 20,000 + 400 + 40 + 5
Answer: 60
Step-by-step explanation: I did the math but sorry if this is wrong
