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lutik1710 [3]
3 years ago
5

Please help me solve this problem

Mathematics
1 answer:
uranmaximum [27]3 years ago
8 0

Answer:

its b

Step-by-step explanation:

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\left[\begin{array}{cccc}-12&-13&13&|15\\7&-10&-3&|11\\7&14&5&\:\:\:|-5\end{array}\right]

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.186915888

that is the answer

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