-3x-12> 8x + 21
+12 +12
-3x > 8x + 33
-8x -8x

-11x > 33
————-
-11

x < -3

I moved the real numbers to one side and and the variable to the other side to solve for the inequality

I also remembered somewhere that if you divide by a negative number the inequality sign switches.

6 0

3 years ago

a. Are the following triangles congruent? If so, which postulate or theorem proves this? b. What transformation moved one triang

xenn [34]

Answer:

Yes by SAS

Step-by-step explanation:

If you look at the triangles they have 2 side lenght in common (and since it is a right triange they have all the sides in commmon) and they share an angel

In other words 2 sides are conurent with an angle betwene them.

You would need to rotait the shape 90 degrese.

4 0

2 years ago