Answer: 10 seconds
Explanation:
m here means mean.
Mean or more accurately arithmetic mean, is calculated by adding all the terms and then dividing by the number of terms.
If there are 5 terms being 4, 5, 5, 6 and a fifth one which is x, and the mean is 6. The relevant expression is:
(4 + 5 + 5 + 6 + x) / 5 = 6
Solving it:
4 + 5 + 5 + 6 + x = 6 * 5
20 + x = 30
x = 30 - 20
x = 10 seconds
I think it depends on the college, you should check the colleges your interested in websites and it might say it there somewhere
AP BIO !!! That is the hardest AP class.
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