Answer: y = 90
Step-by-step explanation:
Since x and y are proportional, when x =25 (which is 50 divided by 2), y would be 90 since 90 is 180 divided by 2.
It is in form
0=ax^2+bx+c
0=-3x^2-2x+6
a=-3
b=-2
c=6
so
x=
x=
x=
x=
x=
x=
x= or
Answer:
D
Step-by-step explanation:
The lines are parallel, this means that they will never meet.
Efficiency = (output)/(input).
This could also be written as
efficiency= output/(output+losses)
or
eff=(input-losses)/input
