Asked by gary
1. when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8 ?
2. If n is an integer, which of the following must be odd ?
A. 3n-5
B. 3n + 4
C. 4n + 10
D. 4n - 5
E. 5n + 7
2. If n is an integer, which of the following must be odd ?
A. 3n-5
B. 3n + 4
C. 4n + 10
D. 4n - 5
E. 5n + 7
Answers
Answered by
Reiny
1. 1
2. To have an odd answer to an addition or subtraction , one number must be even the other odd.
looking at D), 4n is always even
so even - odd = odd
choice is D
2. To have an odd answer to an addition or subtraction , one number must be even the other odd.
looking at D), 4n is always even
so even - odd = odd
choice is D
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