Ben Alpert

less info

network profile

1,764 reputation

925

bio	website	benalpert.com
	location	United States
	age	20
visits	member for	2 years, 10 months
	seen	May 10 at 22:49
stats	profile views	344

Khan Academy / Carnegie Mellon

summary answers questions tags badges favorites bounties reputation activity

22 Posts

suggestions reviews revisions comments badges posts accepts all

May 13	answered	Probability of Heads in a coin
Jun 23	asked	Use of “inverse” to mean reciprocal
Jun 21	asked	Proving Stewart's theorem without trig
Mar 5	answered	Why is the 2nd derivative written as $\frac{\mathrm d^2y}{\mathrm dx^2}$?
Feb 13	asked	Finding $\int_0^{\pi/2} \sin x\,dx$
Feb 13	asked	Coloring points on an n-gon
Jul 30	asked	Which average to use? (RMS vs. AM vs. GM vs. HM)
Jul 30	answered	Proof that $n^3+2n$ is divisible by 3
Jul 30	answered	Proof that $n^3+2n$ is divisible by 3
Jul 28	answered	How do I convert from Cartesian to conical coordinates?
Jul 25	asked	Picking cakes if we need at least one of each type
Jul 25	answered	Combinations of selecting n objects with k different types
Jul 25	asked	Probability that two people see each other at the coffee shop
Jul 25	answered	Probability that a stick randomly broken in two places can form a triangle
Jul 24	answered	Balance chemical equations without trial and error?
Jul 23	asked	Counting how many hands of cards use all four suits
Jul 22	answered	Can there be two distinct, continuous functions that are equal at all rationals?
Jul 22	answered	Looking for a book similar to “Think of a Number”
Jul 22	answered	What can we conclude from correlation?
Jul 21	asked	Tiling a 3 by 2n rectangle with dominoes

Technology			Life / Arts	Culture / Recreation	Science	Other
Stack Overflow Server Fault Super User Web Applications Ask Ubuntu Webmasters Game Development TeX - LaTeX	Programmers Unix & Linux Ask Different (Apple) WordPress Answers Geographic Information Systems Electrical Engineering Android Enthusiasts IT Security	Database Administrators Drupal Answers SharePoint User Experience Mathematica more (14)	Photography Science Fiction & Fantasy Seasoned Advice (cooking) Home Improvement more (13)	English Language & Usage Skeptics Mi Yodeya (Judaism) Travel Arqade (gaming) Bicycles Role-playing Games more (22)	Mathematics Cross Validated (stats) Theoretical Computer Science Physics more (7)	Stack Apps Meta Stack Overflow Area 51 Stack Overflow Careers

site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required

rev 2013.5.17.690