Tagged Questions
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We're a small team of programmers and we're triying to solve a little problem, but we think we need some advices from professional mathematicians.
We want to know if a picture of a card is an ...
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1answer
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Partitioning a sequence of numbers based on a percentage
I have a sequence $s$ of rational numbers where $|s|=n$. I am given a percentage $p$ to partition the sequence $s$ into $\frac{1}{p}$ parts, such that each part contains $p\%$ number of elements of ...
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Basic arithmetic question
I have to find 80%, 60%, 40%, 20% and it's values of a range of scores.
For one range, my values go from 2 to 8 (mean will be 5 which means, 50% of that range's value = 5)
For second range, my ...
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1answer
42 views
Mean frequency and period frequency
If I have two frequencies:
$f_1 = 20\text{ Hz}$
$f_2 = 40\text{ Hz}$
the mean between them should be
$$f_\text{mean} =\frac{20+40}{2}=30\text{ Hz}$$
How come that if I calculate their periods' ...
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1answer
50 views
Growth rate question
Something grows at an annualized rate of 5% for 4 months and then declines at an annualized rate of 4% for the next four months. What would be the annualized growth rate over the entire 8 month ...
