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VLD [36.1K]
3 years ago
15

Which of the following uses absolute value correctly to show the distance between -40 and 18

Mathematics
1 answer:
FrozenT [24]3 years ago
6 0
The third selection is appropriate.
  |-40 -18| = |-58| = 58 . . . . units

_____
In the first selection, it is trying to tell you |-58| = -58. That is not so. The result of taking the absolute value is that the sign is never negative.
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If a2 = i, where i is the identity matrix, which matrix correctly represents matrix a?
sergey [27]

A=\left[\begin{array}{ccc}3&-2\\4&-3\end{array}\right]

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And I=\left[\begin{array}{ccc}1&0\\0&1\end{array}\right]

So, A^2=\left[\begin{array}{ccc}1&0\\0&1\end{array}\right]

Let A=\left[\begin{array}{ccc}3&-2\\4&-3\end{array}\right]

A^2=\left[\begin{array}{ccc}3&-2\\4&-3\end{array}\right] \left[\begin{array}{ccc}3&-2\\4&-3\end{array}\right]

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brainly.com/question/94574

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Disclaimer: Given question is incomplete. Complete question is attached.

8 0
2 years ago
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