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Algebra/Expert Profile

David Montiel

Canada

Maxed Out

Expertise

PLEASE READ THIS BEFORE POSTING YOUR QUESTION: While I am glad to offer HELP with problems, I refuse to SOLVE problems. There is a difference. Please do not just copy a question from a texbook or assignment. I WILL REJECT IT. I will only accept questions, if in addition to the statement of the problem, you describe in detail what you have tried so far in order to solve it, and what exactly is the problem you are encountering. In other words where/why are you stuck? I can answer questions at the level of the first couple of undergraduate years (in science and engineering) or below. You can ask me about algebra, trigonometry, basic probability and statistics, calculus (vector calculus), differential equations and Fourier analysis. I will not answer advanced (at the graduate level) math questions. Questions in Spanish are also welcome.

Experience in the area

Over 8 years of private tutoring in Math and Physics. Five years as a Teaching Assistant in Physics.

Education/Credentials

BSc in Chemical Engineering. UNAM, Mexico. MSc in Chemical Physics. UNAM, Mexico. PhD candidate (5th year) in Physics. McGill University, Canada.

Average Ratings

Recent Reviews from Users

User	Date	K	C	T	P	Comments
Jennifer	10/28/09	10	10	10	10
Rick	10/21/09	10	10	10	10	really fast, really helpful
Mike	09/18/09	9	9	10	10	Mr. Montiel: I would like to sincerely .....
Shinjiro	09/07/09	10	10	10	10	Dear David, Thank you very much for .....
Olivia	08/31/09	10	10	10	10	thanks for your help

Recent Answers from David Montiel

2009-11-12 Linear Functions and Exponential Models:

Hello Christopher, Find the slope for each pair of data. For instance the first pair will be x1=1, y1=3 x2=3, y2=7 so the slope for the first pair of points (x1,y1) and (x2,y2) is slope

2009-11-03 urgent math:

Hello George, This is too long I don't have the time to help you with everything. I will give you some hints to help you on a few of the questions For question 1, obtain an equation for the distance

2009-11-02 im trying to study for exam:

Hello Jacinta, I'm a bit confused about the question. Do you mean A=20 - 10/Z2 ? What is Z2 ? or is it Z*2 (Z times 2)? In any case, you can't give an answer unless you know the value of

2009-10-31 how to solve (x + 2x^3)^4 = -1:

Hello Christine, I'm a little bit confused. Specifically, I don't understand what "a" is. Do you mean: "Show that f(x) is continuous at point x=-1"? What you seem to be try to be doing is finding

2009-10-28 Algebra1:

Hello Jennifer, If I understand correctly, the question is: Find the value of x such that n(x)=39 given that n(x)=7x+4. Is that right? Now if that is the case what you're doing is correct, you are

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