shaniabowyer
shaniabowyer
18-06-2014
Mathematics
contestada
whats another way to write -(-9) ?
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AL2006
AL2006
18-06-2014
Two minus signs acting on the same number become a plus sign.
(Going negatively down is the same thing as going up.)
-(-9) = +9 or just plain 9.
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Аноним
Аноним
18-06-2014
[tex]-(-9)=+9[/tex] or [tex]9[/tex]
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