Answer:
Step-by-step explanation:
He did not perform enough trials. The more trials you perform, the closer it gets to the predicted outcome.
Answer:
2 5/6
Step-by-step explanation:
9 5/12 - 6 7/12
We will need to borrow from the 9
8 12/12 + 5/12 - 6 7/12
8 17/12 - 6 7/12
(8-6) + (17/12 -7/12)
2 10/12
This simplifies. Divide the top and bottom of the fraction by 2
2 5/6
A = 7
b = -18
c = -52
Do you know what the Quadratic formula is to solve?
