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White raven [17]
2 years ago
6

which identifies all the integer solutions of |x| = 14?  A.–14 and 14  B.14 only  C.–14 only  D.0 only

Mathematics
1 answer:
NemiM [27]2 years ago
7 0
|x|=14\ \ \ \Leftrightarrow\ \ \ (x=14\ \ \ or\ \ \ x=-14)
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Hello,

Reminders:
$\sum_{i=1}^{n} i= \dfrac{n(n+1)}{2}$



$ \sum_{i=1}^{n} i^2= \dfrac{n(n+1)}{2}$


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n=6\\
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x_{i} =0+\Delta*i= \frac{i}{2}

$ \sum_{i=1}^{n}\ \Delta*f(x_{i})=\sum_{i=1}^{6}\  \dfrac{i^3/8-6i}{2} $
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