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likoan [24]
2 years ago
9

Identifying the Graph of a System of Two-Variable Linear

Mathematics
1 answer:
vekshin12 years ago
7 0

The graph of the given system of inequalities can be seen at the end of the answer.

<h3 /><h3>How to get the graph of the system of inequalities?</h3>

Here we have the system of inequalities:

x + 3y > -3

y < 2x + 1

first, we can write both of these in the form of a line equation in the slope-intercept form.

y > (-3 - x)/3 = -1 - (1/3)*x

y < 2x + 1.

To graph this, we first need to draw the two lines as dashed lines (because the points on the lines are not solutions).

Then for the line:

y = -(1/3)*x - 1 we need to shade the region above the line (because the symbol > is used).

For the line:

y = 2x + 1

We need to shade the region below the line, because the symbol used is <.

Then the graph of the system of inequalities is the one you can see below. The solutions of the system are the ones where the two shaded regions intercept.

If you want to learn more about systems of inequalities:

brainly.com/question/9774970

#SPJ1

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If 2.5 mol of dust particles were laid end to end along the equator, how many times would they encircle the planet? The circumfe
Natalka [10]

Answer:

They encircle the planet 3.76\times 10^{11} times.

Step-by-step explanation:

Consider the provided information.

We have 2.5 mole of dust particles and the Avogadro's number is 6.022\times 10^{23}

Thus, the number of dust particles is:

2.5\times 6.022\times 10^{23}=15.055\times 10^{23}

Diameter of a dust particles is 10μm and the circumference of earth is 40,076 km.

Convert the measurement in meters.

Diameter: 10\mu m\times \frac{10^{-6}m}{\mu m} =10^{-5}m

If we line up the particles the distance they could cover is:

15.055\times 10^{23}\times 10^{-5}=15.055\times 10^{18}=1.5055\times 10^{19}

Circumference in meters:

40,076km\times \frac{1000m}{1km}=40,076,000 m

Therefore,

\frac{1.5055\times 10^{19}}{40,076,000} = 3.76\times 10^{11}

Hence, they encircle the planet 3.76\times 10^{11} times.

8 0
3 years ago
Please help meeee …………..
ycow [4]

Answer:

3 or 6/2

Step-by-step explanation:

when there are two subtraction signs it can be taken as a plus sign

1/2 + 5/2

1/2 + 5/2 = 6/2

6 / 2 = 3

3 is your answer

4 0
2 years ago
Answers please!!!!!!!!!!
Julli [10]

Answer:

X=8, each side is=27

Step-by-step explanation:

Equilateral triangle, each side has the same lenght

5x-13=11x-61

61-13=11x-5x

48=6x

x=8

5(8)-13=27

7 0
3 years ago
Which of the following best represents a compound?
Ronch [10]

Answer:

The answer to your question is: Salt

Step-by-step explanation:

Element: is a substance that cannot be converted into another substance.

Compound: is a substance that is formed by 2 or more elements.

Mixture: is a substance composed by 2 or more compounds.

Iron                            it is an element

Salt                            it is a compound

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Ocean water           it is a mixture

7 0
3 years ago
write the slope intercept equation for the line that passes through (-8,11) and is perpendicular t 2x -7y=14
SIZIF [17.4K]
General\ formula:\\y=ax+b\\\\2x-7y=14\\-7y=14-2x\\y=\frac{2}{7}x-2\\\\Line\ is\ perpendicular&#10; when\ a=-\frac{7}{2}\\y=-\frac{7}{2}x+b\\\\Passes\ through\ (-8,11):\\11=(-\frac{7}{2})*(-8)}+b\\11-28=b\\b=-17\\\\y=\frac{7}{2}-17
4 0
4 years ago
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