The discriminant is b^2 -4ac
a = 1
b = -2
c = 4
discriminant = 4 -4 * 1 * 4 =
4 -16 =
-12
I get MINUS 12 as the answer but that isn't one of the choices.
Answer: a) about 450
Step-by-step explanation:
50 multiplied by 9 is 450 and its asking for an approximate so it would be anything near 450
Answer:
153,000 is your answer.
Step-by-step explanation:
Answer:
solution
Step-by-step explanation: total=209.75
The percentage of walkers who got a ride is 37.5/3=12.5%
The number of that is 0.125*24=3 students.
