45 = 90% * x
45 = .90x
45/.90 = x
x = 50
45 is 90% of 50
No it isn't.
Explanation:
x/y * y = (y-6) * y
x = y^2 - 6y
A function gives just one y for every x
In this case there will always be 2 y's for every x
Example:
y can be
y = 6
or
y =−6
(0,-6) & (0,6)
Never true. Vertical angles are equal to each other, not adjacent to each other.
Answer:
1. k=53.244 or k=13311/250
