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2 years ago

PLEASE HELP WITH PART A AND B- PLEASE HAVE WORKKK I WILL MARK BRAINLIEST PLEASE HELP!

Mathematics

1 answer:

mixas84 [53]2 years ago

4 0

Answer:

6 + 6 = 12 × 10 = ?? = 132 that would be just guess the other

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Solve the equation. 2.2= z - 1.1 z=?

fredd [130]

Answer:

z = 3.3

Step-by-step explanation:

Given

2.2 = z - 1.1 ( add 1.1 to both sides )

3.3 = z

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2 years ago

Which equation describes the graph? (In the photo)

maw [93]

Answer:

C. The slope is 3 and the y-intercept is -3

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2 years ago

Which matrix equation represents the system of equations? {-x+ 2y = 0 y= -2

Snowcat [4.5K]

We are given a system of equations,

$\begin{cases}-x+2y=0\\y=-2\\ \end{cases}$

This will translate into a 2x2 matrix of coefficients (because 2 equations and 2 unknowns),

$\begin{bmatrix}-1&2\\0&1\\ \end{bmatrix}$

The matrix will then be applied to the vector (lower dimensions on top),

$\begin{bmatrix}x\\y\\ \end{bmatrix}$

And the result vector will be whats on the other side of equals sign,

$\begin{bmatrix}0\\-2\\ \end{bmatrix}$

So to put everything together,

$\begin{bmatrix}-1&2\\0&1\\ \end{bmatrix}\begin{bmatrix}x\\y\\ \end{bmatrix}=\begin{bmatrix}0\\-2\\ \end{bmatrix}$

Hope this helps :)

6 0

2 years ago

Pls help I need ASAP pls

eimsori [14]

Answer:

-1

Step-by-step explanation:

The line goes down 1 grid square for each grid square to the right. Each grid square represents 1 unit in both the x- and y-directions. That means the slope is ...

m = rise/run = -1/1 = -1

The slope of the line is -1.

6 0

2 years ago