Mathematics, 28.06.2019 11:00 golderhadashaowtatz

The graph shows the solution to which system of inequalities? a) y > -3x + 3 and y > 2x b) y ≤ -3x + 3 and y ≤ 2x c) y ≤ -3x + 3 and y ≥ 2x d) y ≥ -3x + 3 and y ≥ 2x

The graph shows the solution to which system of inequalities? a) y > -3x + 3 and y > 2x b)

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Answer from: mistymjoy

The graph shows the solution to the system inequalities

y ≥ -3x + 3 and y ≥ 2x ⇒ answer D

Step-by-step explanation:

* Lets study the graph to solve the question

- There are two solid lines, that means the sign of the inequalities

are ≤ or ≥

- One of the two line passes through the origin and the other

intersect the y-axis

- The shaded region is over the two lines, then the signs of the

inequalities are ≥ (greater than or equal)

* Lets make the equations of the two lines

∵ The form of the equation is y = mx + c, where m is the slope of the

line and c is the y-intercept

- The rule of the slope of the line wich passes through points (x1 , y1)

and (x2 , y2) is m = (y2 - y1)/(x2 - x1)

- Y-intercept means the line intersect the y-axis at point (0 , c)

* Now lets find from the graph two points on each line to make the

equations of the lines

# The line which passes through the origin

∵ Points (0 , 0) and (5 , 10) are on the line

- Let (0 , 0) is (x1 , y1) and (5 , 10) is (x2 , y2)

∴ m = (10 - 0)/(5 - 0) = 10/5 = 2

∴ The equation of the line is y = 2x + c

∵ The line passes through the origin

∴ c = 0

∴ The equation of the line is y = 2x

- The shaded is over the line

∴ The inequality is y ≥ 2x

# The line which intersect the y-axis at point (0 , 3)

∵ Points (0 , 3) and (1 , 0) are on the line

- Let (0 , 3) is (x1 , y1) and (1 , 0) is (x2 , y2)

∴ m = (0 - 3)/(1 - 0) = -3/1 = -3

∴ The equation of the line is y = -3x + c

∵ The line passes through the point (0 , 3)

∴ c = 3

∴ The equation of the line is y = -3x + 3

- The shaded is over the line

∴ The inequality is y ≥ -3x + 3

∴ The graph shows the solution to the system inequalities :

y ≥ -3x + 3 and y ≥ 2x

Answer from: Quest

there are no figures how am i supposed to answer this question

step-by-step explanation:

Answer from: Quest

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

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