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Wikipedia:Reference desk/Archives/Mathematics/January 2007

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Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.


January 1

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 1

  1. Probability Formula

January 2

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 2

  1. agorno-Karabakh
  2. adian

January 3

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 3

  1. All the King's marbles
  2. Vertex operator algebra and vertex algebras - question
  3. roduct
  4. 1 plus 1

January 4

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 4

  1. Nanosecands
  2. When addition maps A×B->A but not A×A->A
  3. A related question
  4. 1 2 3...?
  5. hilosophical question

January 5

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 5

  1. Balls in a bag
  2. Elementary questions in a plane
  3. ymmetry operation in 3 dimensional space
  4. Qualifying examination preparation
  5. Proving the Viète formula
  6. exponents
  7. Casting of nines
  8. Approximation of a simple curve by polygonal lines
  9. Value of money in 1800's`
  10. Equation of a line
  11. Algebra/what is the equation?

January 6

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 6

  1. n odds question
  2. Golden Ratio
  3. 0.333...=1/3?
  4. Radians
  5. ntegro differential equation
  6. alculus Question - Optimization
  7. Quadratic simultaneous equations

January 7

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 7

  1. Conversion factor

January 8

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 8

  1. Correlation between two binary variables
  2. complex numbers
  3. Area inside various curves
  4. Identities
  5. Automatic equation numbering in wiki

January 9

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 9

  1. Reversible Gas Turbines
  2. Generating permutations
  3. Algorithm to generate permutations
  4. recurrence relation

January 10

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 10

  1. Latin squares
  2. About polygon names

January 11

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 11

  1. Statistics & Propagation of error with least square fits
  2. Tetrahedron fractal
  3. discount
  4. Poisson question
  5. Energy dissipation/viscosity in lagrangian mechanics.
  6. Fractional reserve banking application
  7. All 30 DJIA stocks posting gains/losses

January 12

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 12

  1. Pie chart question

January 13

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 13

  1. Does this equation mean anything?

January 15

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 15

  1. conversions
  2. Hi!
  3. Class operators
  4. Sample size vs. extreme observations
  5. intergration
  6. Twisted loop
  7. Stock Options Question
  8. Steinitz Replacement Theorem
  9. Probability of retaining adjacent elements after randomization of a sequence

January 16

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 16

  1. nverse of Erlang C formula
  2. Algebra
  3. symptote article

January 17

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 17

  1. triangles
  2. solution of triangles
  3. 4d6-drop-lowest probability distribution
  4. Age difference
  5. To find nth term
  6. Numerically Calculating Distances in Perspective
  7. Like the factorial function, but with addition

January 18

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 18

  1. Derivatives and integrals of the factorial function
  2. how to do fraction notation

January 19

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 19

  1. Multiplication
  2. Need help with math problem involving limits
  3. TeX rendering of g_1
  4. Fastest model car
  5. Inverse of double arrow?

January 20

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 20

  1. Arcsin sqrt(x) transformation
  2. Rounding to a rational number
  3. mathematics
  4. Name of a line

January 21

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 21

  1. Converting fahrenheit to celsius
  2. random walk
  3. English word for property describing surface area to volume ratio
  4. R^n is a hausdorff space.
  5. divisibility by three -proof
  6. I have 2 points of an exponential curve - how do I find the rest of the line
  7. ???

January 22

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 22

  1. What are the exponential functions?
  2. Linear equation solver program for TI 84+: need help
  3. cone
  4. Statistics/probability/counting question
  5. Puzzle of the missing leprechaun
  6. simple statistics question
  7. Sequence

January 23

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 23

  1. Shirt wrinkles
  2. Cartesian coordinates
  3. Binomial theorem
  4. Another(s)
  5. Find term by degree
  6. Find fifth term
  7. Simple complex number simplification
  8. Partial sum

January 24

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 24

  1. Overbraces/underbraces
  2. steps to finding functions that satisfy certain rules
  3. type of geometry?
  4. taylor series and infinite differentiability
  5. square feet
  6. how to?

January 25

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 25

  1. Optimization Problem
  2. Circle Geometry Problem
  3. Domain Question
  4. Statistical analysis of edit sessions
  5. Gödel and computer algebra systems
  6. Geometry puzzle
  7. Probability

January 26

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 26

  1. 3+1=3
  2. Confidence interval

January 27

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 27

  1. Polygon
  2. Free fall
  3. math question
  4. Proof that 1 = 2

January 28

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 28

  1. algebra 1
  2. algebra 1
  3. Teaching yourself Calculus
  4. Linear regression problem
  5. ???
  6. Complex measures
  7. Differentiation question

January 29

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 29

  1. 5+4+3+2+1?
  2. Eliminate summation from a complex formula
  3. Expected sample
  4. fastest shortcut mathematical formulas
  5. Triangle angle bisectors

January 30

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 30

  1. Radicals
  2. Secondary school mathematic problem
  3. Counting problem

January 31

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Wikipedia:Reference_desk/Archives/Mathematics/2007 January 31

  1. Alternative solution to Birthday Paradox
  2. math question
  3. Why solving problems like, "P versus NP" and others
  4. Distributive property of gcd and lcm?
  5. What is the increase percent
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