Answer:
(x,y) -> (-y,x), second option.
Step-by-step explanation:
Rotation of 90 degrees about the origin:
The rule for a rotation of a point (x,y) 90 degrees about the origin is given by:
(x,y) -> (-y,x)
This is that the question asks, and so, this is the answer, which is the second option.
So it’s basically asking for the difference
Answer:
A____N____C
AN= NC
4x-7=5x-15
5x-4x= 15-7
x= 8
NC = 5x-15=5(8) – 15 = 40 – 15 = 25
I hope I helped you^_^
Answer:
25% decrease
Step-by-step explanation:
Percent change can be found by doing difference/original
(950,000 - 712,500) / 950,000
= 0.25
There was a 25% decrease in the population
350 - 213 - 155 + 78 = 60 students not in either
