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Do the Math

January 21st, 2008 by

Whitney Tilson:

Do the math kids. 606 is what percentage of 4500 attacks in 2007. Let’s assume that every single foreign fighter identified in these records carried out a suicide attack. That accounts for a little more than 10% of the attacks. …

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Physics PhD interviews…

January 21st, 2008 by

ZapperZ:

so, i have a few interviews for PhDs in particle physics over the next month and i’m looking for some information on what generally happens at a PhD interview. If anyone would like to share their experiences, interviewers or …

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Root Finding of complex trig function

January 21st, 2008 by

Philipp Lenssen:

1. The problem statement, all variables and given/known data a) Show that for small values of x, xtanx is approximately equal to x^2 and 2 - coshx is approximately equal to 1 - 0.5(x^2). Draw a conclusion from this regarding the …

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TV

January 21st, 2008 by

unknown:

There are two channels continuously airing video game gameplay, one channel airing a Go match, and one alternating between math problems and English grammar exercises. In relevant news, there are two full-time English stations: …

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Gates wrecking ball

January 21st, 2008 by

Catherine Johnson:

I wrote a comment I posted on the district 299 blog that deals with Chicago ed issues. I reproduce it here (note what is in store for high school math): The whole high-school transformation project looks like a stealth operation, …

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Volcano, Not Global Warming Effects, May be Melting an Antarctic …

January 21st, 2008 by

Philipp Lenssen:

ENN: Scientists have discovered a layer of volcanic ash and glass shards in Antarctica, evidence of an old eruption by a still active volcano that researchers believe may be contributing to the thinning of Antarctic glacial ice. …

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Homework: 01/22/08-01/25/08

January 21st, 2008 by

miniz88:

Math: Saxon 87 Side B (If not done in class) Spelling: Write the words missed on the test 3 times each. Reading/Writing: Read 20 min. What was your favorite part of the story? Why? What was your least favorite part of the story? Why? …

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The perils of multiculturalism in schools

January 21st, 2008 by

unknown:

Only one study has ever shown math increases. It was performed on Yup’ik second graders in consultation with the tribal elders. But this study’s uncorroborated results are strange in light of the lack of evidence that language …

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UNsolved problem 121542 added to Systems-of-equations

January 21st, 2008 by

crosta:

Click on the link to solve this problem: Please help me figure this out. Starting at noon, how long will it take for the hour and minute hands of a typical analog clock to form a 90 degree angle? Answers: a) 15 minutes b) 16 1/3 minutes …

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Problem 121458 solved by algebrapro18

January 21st, 2008 by

crosta:

This problem was solved by algebrapro18: i’m sorry, i left ouy sq 2.the question again was solve the quadratic formula for 6x^2+3x-18=0. help.

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