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valentinak56 [21]
4 years ago
11

Choose the system of inequalities that best matches the graph below.

Mathematics
1 answer:
lapo4ka [179]4 years ago
4 0

Answer:

D) y\:, y\:>\:-x

Step-by-step explanation:

The blue boundary line has a y-intercept of 2 and a slope of  2.

It has equation : y=2x+2

Since the boundary line is not solid and the lower half plane of this line is shaded, its inequality is

y\:

The blue boundary line passes through the origin and has slope -1.

Its equation is y=-x.

Since the boundary line is not solid and the right half-plane is shaded, its inequality is y\:>\:-x

The correct choice is D.

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3 0
4 years ago
Marissa wrote her bike to the park and back up halfway to the park she stopped at the library she was one 310 miles from the lib
erastovalidia [21]

Answer:

5 1/5 miles

Step-by-step explanation:

Given that :

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3 years ago
Which matrix equation represents the system of equations?<br><br> {-x+ 2y = 0 <br> 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),

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

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

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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 :)

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3 years ago
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Elena is going to mow lawns for the summer to make some extra money. She will charge $20 for every lawn she mows and plans on mo
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Answer:

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Step-by-step explanation:

k with be the number multiplied by 20 and then N will be the answer  

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3 years ago
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