3 years ago

Explain how to solve your equation to find how

1 answer:

6 0

We don’t have any numbers

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Dovator [93]

$\left[\begin{array}{cc|c}-1&-1&-12\\-3&2&32\end{array}\right]$

Multiply through row 1 by -1:

$\left[\begin{array}{cc|c}1&1&12\\-3&2&32\end{array}\right]$

Add 3(row 1) to row 3:

$\left[\begin{array}{cc|c}1&1&12\\0&5&68\end{array}\right]$

Multiply through row 2 by 1/5:

$\left[\begin{array}{cc|c}1&1&12\\0&1&\frac{68}5\end{array}\right]$

Add -1(row 2) to row 1:

$\left[\begin{array}{cc|c}1&0&-\frac85\\&&\\0&1&\frac{68}5\end{array}\right]$

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3 years ago

Harrizon [31]

Answer:

Step-by-step explanation:

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3 years ago

Lunna [17]

Answer:

Brand D

Step-by-step explanation:

because it cost the most but it also has the most feet

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3 years ago

Firlakuza [10]

Answer:

A= 10B/3 +4

Step-by-step explanation:

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Kruka [31]

Dunno C. (Just guessing im not so good at maths)

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4 years ago