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sesenic [268]
3 years ago
12

Which of the following is the correct graph of the solution to the inequality-18>-5x+2>-48

Mathematics
1 answer:
makvit [3.9K]3 years ago
7 0

Answer:

Step-by-step explanation:

we have

18 > -5x+2 > -48

This is a compound inequality

Remember that

A compound inequality i can divide in a system of two inequalities

so

18 > -5x+2 -----> inequality A

-5x+2 > -48 ---> inequality B

step 1

Solve the inequality A

18 > -5x+2

Multiply by -1 both sides

-18< 5x-2

-18+2< 5x

-16< 5x

Divide by 5 both sides

-3.2< x

Rewrite

x > -3.2

The solution of the inequality A is the interval ----> (-3.2,∞)

step 2

Solve the inequality B

-5x+2 > -48

Multiply by -1 both sides

5x-2 < 48

5x < 48+2

5x < 50

Divide by 5 both sides

x < 10

The solution of the inequality B is the interval ----> (-∞, 10)

step 3

Find the solution of the compound inequality

(-3.2,∞) ∩ (-∞, 10)=(-3.2,10)

All real numbers greater than -3.2 and less than 10

The graph in the attached figure

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If we discuss this as if it is a triangle then the "rise" is the vertical side and the "run" is the adjacent side.
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