Help me please

Mathematics

1 answer:

dlinn [17]2 years ago

8 0

Answer:

7 and 8

Step-by-step explanation:

all you need to do is punch into a calculator

√(60 and the answer is 7.7 repeating so it is in between 7 and 8! hope this helps

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3 years ago

Which matrix represents the system of equations shown below? 2x-y=-6 and x-6y=13

dezoksy [38]

Answer: D

<u>Step-by-step explanation:</u>

The first matrix contains the coefficients of the x- and y- values for both equations (top row is the top equation and the bottom row is the bottom equation. The second matrix contains what each equation is equal to.

$\begin{array}{c}2x-y\\x-6y\end{array}\qquad \rightarrow \qquad \left[\begin{array}{cc}2&-1\\1&-6\end{array}\right] \\\\\\\begin{array}{c}-6\\13\end{array}\qquad \rightarrow \qquad \left[\begin{array}{c}-6\\13\end{array}\right]$