top:
(2x - 3y)^2
= 4x^2 - 12xy + 9y^2
bottom:
(3y - 2x)^2
= 9y^2 - 12xy + 4x^2
= 4x^2 - 12xy + 9y^2 (same as top)
so
(4x^2 - 12xy + 9y^2) / ( 4x^2 - 12xy + 9y^2) = 1
Ava is not correct. If you look at the denominator on her work:
[-(2x – 3y)]^2
= [(-1 )(2x – 3y)]^2
= (-1)^2 (2x – 3y)^2
= (2x – 3y)^2
so (2x – 3y)^2 / (2x – 3y)^2 = 1
The correct answer is 1
It'd be a trapezoid that either has 4 different unique line lengths, or 3 or more sides are the same length.
Answer:
B) H
Step-by-step explanation:
Notice that a regular hexagon has a <em>six-fold rotational symmetr</em>y.
Every time you rotate it about its centre by one-sixth of a circle (60°), you map a vertex onto the one next to it.
If you rotate the hexagon 300° counterclockwise, that is equivalent to rotating it 60° clockwise.
When you rotate the hexagon 60° clockwise (one-sixth of a circle),
Point N maps onto point H.
The correct answers will be A. The ninth odd number. B.O(8) + 2 and D.17.
I did this too and those were the right answers!
I hope this helps! :>
To find mean/average it's fairly simple!! :)
The first thing you should do is add up the first numbers -
* 20 + 15 + 16 = 51 :)
* 16 + 19 + 17 = 52
Now divide each of the scores by the amount of numbers there is -
* 20 (1) 15 (2) 16 (3)
* 16 (1) 19 (2) 17 (3)
51 ÷ 3 = 17 (Rolanda's Average Score)
- Which # is bigger?
52 ÷ 3 = 17.3 (Jetta's Average Score)
