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anastassius [24]
3 years ago
6

What number line represents the solution set for the inequality 3x < –9?

Mathematics
2 answers:
Xelga [282]3 years ago
6 0
<h2>Answer:</h2>

The solution set of the given inequality 3x is:

                         (-∞,-3)

<h2>Step-by-step explanation:</h2>

We are given a inequality in terms of the variable x by:

             3x

We divide both side of the inequality by 3 to obtain the new expression as:

              x

This means that the graph of such a inequality is the set of all the real value which are strictly less than -3( since the inequality is strict)

Hence, the solution set in set-Builder form is:

   ={all x belonging to real numbers| x<-3}

and in interval form the solution is: (-∞,-3)

umka21 [38]3 years ago
4 0
3x<-9
3x/3<-9/3
x<-3  or (-∞,-3).

Answer: (-∞,-3).
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3 years ago
Gregg subtracted some number x from 47, then multiplied the result by two, subtracted 15 and got 45. What was Gregg's number?
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Work in reverse.

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What are the coordinates of the midpoint of AB IF A (6,4) and B (-8,8)
marissa [1.9K]

Answer:

-I haven't done this, but I have copied and pasted from another question and answer from the user syed514:

Graphing is one way to do the problem.But sometimes, graphing it is hard to do.So here’s an algebraic method.

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