Answer:
(-2, 3)
Step-by-step explanation:
- <em>When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). So all we do is make both x and y negative</em>
<u>Point (2, -3) becomes:</u>
Answer: Yes it is
Step-by-step explanation:
You have to take 2 times 5/2 witch is the same is 2.5
So 2.5 times 2
3 times 2.5
6 times 2.5 and that's how you get the answer
I believe the answer is -6
Assume you need x liters 10% acid, y liters 80% acid
Then 10%x + 80%y = 65%*70, and x+y = 70
I get: x = 15, y = 55
Four-fiths its the same as 4\5, so u do like this: 20×(4/5)
=16 words
