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# /sci/ Science & Math

I was reading a lecture note on Linear programming, anyone care to explain how can we got from the Lagrangian in (1.5) to (1.6)->(1.11)?
Can someone please help me with this shit. I've been stuck on this problem for an hour now. "Let's assume that the Earth-Moon distance is doubled (but the Moon's mass remains the same) so it becomes 7.7 * 10^8 m. Calculate the period (in days) of the Moon around the Earth using the Kepler's 3rd law. Express your answer with three significant figures. Mass of Earth = 5.974 * 10^24" I'm pretty sure I have to use this equation for period (T), but it gets fucked up in my calculator every time I try. T = 2??[R3/GMe]
What is the most universally valuable major in university? Is it Mathematics?

### Ethnic Biological weapons

Ethnic Biological weapons, is such a thing possible? This guys job in the 80s and 90s was to create biological weapons that would only kill african black people or sterilize them. http://vimeo.com/6484188 http://en.wikipedia.org/wiki/Project_Coast
Do most people heavily procrastinate? It's a bit of a cliched joke about Uni students, but how true is it?

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