babyfieloLane
babyfieloLane babyfieloLane
  • 01-07-2016
  • Mathematics
contestada

What is |9|?
a. –9
b. 0
c. 9
d. 18

Respuesta :

tksm
tksm tksm
  • 01-07-2016
The answer is "c".

|a|=a (if a>0, a=0)
|a|=-a (if a<0)
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