gracie2492
28.01.2020 •
Mathematics
Which transformation matrix would result in a 270° counterclockwise rotation about the origin?
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Ответ:
Correct answer is B
Step-by-step explanation:
Ответ:
x = 5
Step-by-step explanation:
9(3x-16) + 15 = 6x -24
First distribute the 9 by multiplying it by 3x and -16
27x - 144 + 15 = 6x -24
Than combine like terms (-144+15)
27x - 129 = 6x -24
Next, subtract 6x on both sides.
21x - 129 = -24
After that, add 129 on both sides.
21x = 105
Lastly, divide both sides by 21
x = 5