Answer:
Step-by-step explanation:
x^2 + 3x - 9 =0
By comparing with the equation ax^2+bx+c = 0,
we get,
a = 1, b=3, c = -9
we know the formula for x is,
x = (-b±√(b^2 - 4ac))/2a
x = (-3±√45)/2
x = (-3±3√5)/2
x = (-3+3√5)/2, (-3-3√5)/2
Answer: 16 minutes
Step-by-step explanation:
24: 6= 4
1 hour = 60 minutes
60+36 =96
24 x 4 = 96
4 + 4+ 4+ 4= 16
Answer:
3 3/8
Step-by-step explanation:
Correct me if I'm wrong
Answer:
a
because 1 1/2 * 1 1/2 *1 = 2 1/4
I think the teacher would probably pick two boys and one girl
