naynay06
naynay06
26-10-2014
Mathematics
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What is the absolute value of 91?
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Аноним
Аноним
28-10-2014
[tex]|a|= \left\{\begin{array}{ccc}a&if\ a\geq0\\-a&if\ a < 0\end{array}\right\\\\\\|91|\Rightarrow91 > 0\ therefore\ |91|=91\\\\Other\ examples:\\\\|4|\\4 > 0\Rightarrow|4|=4\\\\|-4|\\-4 < 0\Rightarrow|-4|=-(-4)=4[/tex]
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