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elena-s [515]
3 years ago
12

One morning it was 29°F in Columbus, Ohio and 27°F in Pittsburgh, Pennsylvania.Was it warmer in Columbus or Pittsburgh?

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0
Columbus, higher the number, hotter it is
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Perform the indicated row operations, then write the new matrix.
Studentka2010 [4]

The matrix is not properly formatted.

However, I'm able to rearrange the question as:

\left[\begin{array}{ccc}1&1&1|-1\\-2&3&5|3\\3&2&4|1\end{array}\right]

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This means that the new third row (R3) is derived by:

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The row 1 elements are:

\left[\begin{array}{ccc}1&1&1|-1\end{array}\right]

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-3 * \left[\begin{array}{ccc}1&1&1|-1\end{array}\right] = \left[\begin{array}{ccc}-3&-3&-3|3\end{array}\right]

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Hence, the new matrix is:

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