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Stels [109]
3 years ago
7

How can you use 4s facts to find 7x8

Mathematics
2 answers:
quester [9]3 years ago
7 0
WHAT'S 4s? Is that a type of math
Rus_ich [418]3 years ago
6 0
Because 7 x 8 = 56 56 divided by 4= 14
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2x + y - z = -8
Andreyy89

Answer:

Multiply row 1 by \frac{1}{2}.

Step-by-step explanation:

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\left[\begin{array}{cccc}2&1&-1&-8\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

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Hence, the correct answer is: Multiply row 1 by \frac{1}{2}.

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