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Step2247 [10]
3 years ago
8

Which graph represents the system of inequalities? y+2<5xy+3x>4y≥2x

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0
The graph that represents the system of inequalities is graph 3
IgorC [24]3 years ago
5 0

Answer:

The correct option is 2.

Step-by-step explanation:

The given system of inequalities

y+2

y+3x>4

y\geq 2x

Inequality (1) can be written as

y

The related equation is

y=5x-2

The slope of line is 5 and y-intercept is -2.

The sign of inequality is < , it means related line of inequality (1) is a dotted line and shaded region is below the line.

Inequality (2) can be written as

y>-3x+4

The related equation is

y=-3x+4

The slope of line is -3 and y-intercept is 4.

The sign of inequality is >, it means related line is a dotted line and shaded region is above the line.

Inequality (3) is

y\geq 2x

The related equation is

y=2x

The slope of line is 2 and y-intercept is 0.

The sign of inequality is ≥, it means related line is a solid line and shaded region is above the line.

In the below graph the common shaded region is the solution region.

Therefore the correct option is 2.

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charle [14.2K]

Answer:

x = 20 but see below.

Step-by-step explanation:

Remark.

This is not well enough marked to know whether D = A or whether you have to do some algebra to find the relationship between A and D. So I will assume A = D and then I'll solve it so you have to manipulate A and D.

A = D

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3x - 10 + 10 = 2x + 10 + 10     Cancel

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3x-2x=2x-2x + 20

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E + D = 135                          Substitute for D and E

3x - 10 + 2x + 10 = 135        Combine like terms

5x = 135                              Divide by 5

x = 135 / 5

x = 27

Answer

I'd go with the first one.

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