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Scott A Wilson

U.S.
Available
I can answer any question in general math, arithetic, discret math, algebra, box problems, geometry, filling a tank with water, trigonometry, pre-calculus, linear algebra, complex mathematics, probability, statistics, and most of anything else that relates to math. I can also say that I broke 5 minutes for a mile, which is over 12 mph, but is that relevant?

Peter

South Africa
Available
I can answer all algebra and geometry questions from any grade. I am nearly finished my teaching degree and need experience. Anyone interested in talking to me is welcome!

Janet Yang

U.S.
Available
I can answer questions in Algebra, Basic Math, Calculus, Differential Equations, Geometry, Number Theory, and Word Problems. I would not feel comfortable answering questions in Probability and Statistics or Topology because I have not studied these in depth.

Clyde Oliver

U.S.
Available
I can answer all questions up to, and including, graduate level mathematics. I am more likely to prefer questions beyond the level of calculus. I can answer any questions, from basic elementary number theory like how to prove the first three digits of powers of 2 repeat (they do, with period 100, starting at 8), all the way to advanced mathematics like proving Egorov's theorem or finding phase transitions in random networks.

Ahmed Salami

Nigeria
Available
I can provide good answers to questions dealing in almost all of mathematics especially from A`Level downwards. I can as well help a good deal in Physics with most emphasis directed towards mechanics.

Sombra Shadow

U.S.
Available
I can answer most questions up through Calculus and some in Number Theory and Abstract Algebra.

randy patton

U.S.
Available
college mathematics, applied math, advanced calculus, complex analysis, linear and abstract algebra, probability theory, signal processing, undergraduate physics, physical oceanography

Socrates

Available
I can answer any questions from the standard four semester Calulus sequence. Derivatives, partial derivatives, chain rule, single and multiple integrals, change of variable, sequences and series, vector integration (Green`s Theorem, Stokes, and Gauss) and applications. Pre-Calculus, Linear Algebra and Finite Math questions are also welcome.

Recent Answers

2015-07-30 Width - Walkways:

Suppose the walkways are w feet wide.   area of walkways = 50w + (40-w)w = 261  w - 90w + 261 = 0  4w - 180w + 261 = 0    quadratic formula  w= [90 √(90 41261)] / [21]   = [90

2015-07-29 IB mathematics HL (Core):

The 12 should be a 22 (because -610 + 82 = 22). Thus, 11d = 22, and d = 2.     Sorry about the mistake. It wouldn't have happened if I had gotten around to making an Excel spreadsheet for Gaussian Elimination

2015-07-29 IB mathematics HL (Core):

The system of equations can be represented in matrix form:   https://www.flickr.com/photos/dwread/19931754430/    Then use Gaussian Elimination to put the matrix into row echelon form and solve the system:

2015-07-28 counting the unique numbers without considering the location of the digits, within 0 to 10^x, where x be an even natural number:

It looks like you are trying to find the number of numbers with distinct digits for 1, 2, 3 ... N digit numbers. It think this can be solved by careful counting and using formulas for combinations, in

2015-07-27 Differential Equations:

I didn't know the answer, so I forwarded your question to a math group and got these responses:    1:  The unique solution is y = 0.   I can't do this problem without solving it: it's plain that the unique

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