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3 years ago

What is 2M? M=[3 5] [-4 0]

Mathematics

1 answer:

Vladimir [108]3 years ago

8 0

Answer:

2M will be:

$2\begin{pmatrix}3&5\\ -4&0\end{pmatrix}=\begin{pmatrix}6&10\\ -8&0\end{pmatrix}$

Therefore, the 2nd option is true.

Step-by-step explanation:

Given the matrix

$M=\begin{pmatrix}3&5\\ -4&0\end{pmatrix}$

Multiplying by 2 will basically be a scalar multiplication.

Therefore, multiply each of the matrix elements by a scalar.

$2M=2\begin{pmatrix}3&5\\ \:-4&0\end{pmatrix}$

$=\begin{pmatrix}2\cdot \:3&2\cdot \:5\\ 2\left(-4\right)&2\cdot \:0\end{pmatrix}$

$=\begin{pmatrix}6&10\\ -8&0\end{pmatrix}$

Hence, 2M will be:

$2\begin{pmatrix}3&5\\ -4&0\end{pmatrix}=\begin{pmatrix}6&10\\ -8&0\end{pmatrix}$

Therefore, the 2nd option is true.

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Answer:

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Step-by-step explanation:

The vocabulary associated with angles created by a transversal and parallel lines is not so difficult.

If angles are on the same side of the transversal, they are same-side angles. If not, they are alternate angles.

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guajiro [1.7K]

Given:

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To find:

The equations for y, Gil’s change in money after buying a book, and for x, his change in money after selling a CD, in standard form.

Slope of each equation.

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3 years ago