286.36mph. ( .36 is a repeating decimal )
Cross multiply:-
3(b - 2) = (2b - 5)(b + 2)
3b - 6 = 2b^2 + 4b - 5b - 10
2b^2 - 4b - 4 = 0
b^2 - 2b - 2 = 0
b = 2.73, -0.73 Answer
Find the probability of obtaining 3 heads when flipping 4 coins
Answer:
168 hours or 10080 minutes or 604800 seconds
Step-by-step explanation:
7days * 24 hours = 168 hours
168 hours * 60 minutes = 10080 minutes
10080 minutes * 60 seconds = 604800 seconds
