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maria [59]
3 years ago
13

Which of the following systems of inequalities represents the graph?

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

Option D.

Step-by-step explanation:

Consider the below figure attached with this question.

If a line passes through two points (x_1,y_1) and (x_2,y_2), then the equation of line is

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

From the below figure it is clear that the a solid line passes through the points (-2,0) and (0,4). So, the equation of related line is

y-0=\frac{4-0}{0-(-2)}(x-(-2))

y=2(x+2)

y=2x+4

-2x+y=4

All area above the solid line is shaded. It means the sign of inequality is ≥.

-2x+y\geq 4

From the below figure it is clear that the a dashed line passes through the points (2,0) and (0,2). So, the equation of related line is

y-0=\frac{2-0}{0-(2)}(x-(2))

y=-1(x-2)

y=-x+2

x+y=2

All area below the dashed line is shaded. It means the sign of inequality is <.

x+y

System of inequality is

-2x+y\geq 4

x+y

Therefore, the correct option is D.

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Answer:

162.5mi

Step-by-step explanation:

If the scale of the map is 1in:25mi, and you measure 6.5in between two twoms, then the real distance would be 6.5in*25mi = 162.5mi.

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2 years ago
X+103=180<br> Enter the measurement of the exterior angle of the triangle.
Zigmanuir [339]

Answer: x° = 77°


Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Simplify 6 x 10−7 2 x 105 .
mafiozo [28]

Answer:

-49

Step-by-step explanation:

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2 years ago
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Answer:

x = 83

Step-by-step explanation:

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75+x+97+105 = 360

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x+277-277=360-277

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