Richard J. Raridon - Algebra - Math for Kids - Science

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Expert Profile: Richard J. Raridon

Expertise: I can answer questions in physics, chemistry, algebra, trigonometry

Experience in the area
Have answered 10,000 questions on AskMe.com in the past two years

Organizations
Sigma Xi, AAAS

Publications
chemistry and physics journals

Education/Credentials
BA in math and physics, MA in physics, PhD in chemistry

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Average Ratings
Prestige Points: 38048
Knowledge	9.95 Best of the best
Clarity of Response	9.73 Best of the best
Timeliness	9.90 Best of the best
Politeness	9.81 Best of the best
Number Of Questions (in Past 24 Hours)		0
Max Questions to be Asked (in 24 Hour period)		10
Total Questions (since joining AllExperts)		5484

Recent Reviews from Users

Knowl	Clarity	Time	Politeness	Date
10	10	10	10	12/01/08
10	10	10	10	12/01/08
10	10	10	10	12/02/08
10	10	10	10	12/01/08
10	10	10	10	11/30/08

User Comments

Well, I most certainly will never spell pi wrong again! Thank you for sharing your knowledge.
(keli on 12/01/08)

Thank you. Your timeliness and knowledge was of great use to me. I'll definatly recommend you and use your services again.
(nicole on 12/01/08)

thank you!!!
(lucy on 11/30/08)

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Recent Answers from Richard J. Raridon

2008-11-24 slope equations(standard form to slope-intercept form to point-slope form): the slope-intercept form is y=mx+b so you have y = (1/3)x -5/6 For the point-slope form you have y-y1 = m(x-x1) so you solve the slope-intercept form for y1 for some x1 and get, for example, (1,-1/2)...

2008-11-19 Algebra II: For (6d-9) the only factoring is 3(2d-3) For (6-13d+6d^2) you know that the factors are (w-xd) and (y-zd) where wy=6 and xz=6. So w and y have to be 2&3 or 1&6, and the same for x and z. You can see...

2008-11-16 counting problem: You can't look at it that way because of only going diagonally. Number them as follows: L1 L2 U1 U2 U3 S1 S2 S3 S4 Now the possibilities are P L1 U1 S1 P L1 U1 S2 P L1 U2 S2 P L1 U2 S3 P L2 U2...

2008-11-11 College Algebra (Factoring): Out in the real world factoring doesn't come up very often. You pick the type of factoring depending upon the expression you want to factor. For example, if you have 4x^2-25 you can simply look at it...

2008-10-21 Cramer's rule: Cramer's rule means using determinants The denominator determinant is |2 3| |2 1| which has a value of -4 for a, the numerator determinant is |6 3| |-2 1| which has a value of 12 so a = 12/-4 =...