victoriazh2005
17.09.2021 •
Mathematics
I NEED HELP WITH THIS I CANT GET IT HELPP
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Ответ:
see explanation
Step-by-step explanation:
(a) No
12.75 + 12.75 = 25.5 ≠ 0
(b) No
0.5 + 0.5 = 1 ≠ 0
(c) Yes
The absolute value always gives a positive value , so
| -
| = 
, and
(2)
note + (- ) is equivalent to - , that is subtraction
- 13 + (- 5) = - 13 - 5 = - 18
Ответ: