10 minutes before 9 is 8:50. since any time on the hour is at a perfect 60 minutes, you subtract the minutes given and move 1 hour back to find your answer.
for example, if you were asked what 20 minutes before 10 was. you start by subtracting 20 from 60. 60-20= 40, this being your minutes. 10-1 is 9, this being your hour, making the final answer 9:40.
Answer:
A
Step-by-step explanation:
Answer:
the answer is the 2nd one
Step-by-step explanation:
Part a.
We have
Dividing,
Ugh. It would have killed them to choose a perfect square?
We can't really tell the sign on the common ratio; there's not enough information. Let's just pick the positive square root going forward.
Part b
Part c
Part d