General Math Forum

Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Threads

High School How to Find the Radius of a Sphere Using Equations?

  • cdhotfire
  • · Replies 15 ·
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15

Undergrad How do I find the angle from an involute in Excel?

  • NotToSmart
  • · Replies 4 ·
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4

High School Does exponent notation apply only to the base or the whole expression?

  • C0nfused
  • · Replies 2 ·
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2

High School Simplifying radicals containing polynomial fractions

  • ddoctor
  • · Replies 2 ·
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2

High School Trigonometry Puzzle: Solving the Challenging Image Puzzle on Etienne.nu

  • slipF
  • · Replies 6 ·
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6

News Prominent Statisticians Refute 2004 Exit Poll "Explanation

  • polyb
  • · Replies 16 ·
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16

High School Solving x + √x = 6

  • EngTechno
  • · Replies 1 ·
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1

High School How do i move get rid of a fraction like this?

  • dbzsongoku
  • · Replies 4 ·
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4

High School A Simple Problem that seems to elude me

  • TooManyHours
  • · Replies 4 ·
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4

High School Put these weights in order from smallest to largest

  • josie4040
  • · Replies 4 ·
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4

High School Why don't people understand metric prefixes?

  • JoshHolloway
  • · Replies 28 ·
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28

High School How many degrees does an hour hand move in one hour?

  • ballpienhammer
  • · Replies 7 ·
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7

Undergrad The Endless Cat-Mouse Chase: Can the Mouse Outrun the Cat?

  • Bartholomew
  • · Replies 9 ·
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9

Graduate What is the volume of a unit infinite-hypersphere?

  • Icebreaker
  • · Replies 8 ·
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8

High School Why does PEMDAS work and how was it decided?

  • C0nfused
  • · Replies 6 ·
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6

Graduate How Do Neutron Stars Relate to the Concept of Negative Numbers in Mathematics?

  • Hurkyl
  • · Replies 11 ·
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11

High School How much fuel stabilizer for a 0.45L gas tank?

  • Sufa
  • · Replies 6 ·
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6

High School How can I effectively take notes from math textbooks?

  • Cod
  • · Replies 3 ·
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3

High School Is Addition Really a Basic Skill?

  • drcrabs
  • · Replies 137 ·
5
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137

High School Why is cos 90 Degrees Equal to 0?

  • Bin Qasim
  • · Replies 3 ·
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3

Undergrad How can algebra and calculus be used to derive the identity for sin(a+b)?

  • FulhamFan3
  • · Replies 6 ·
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6

Undergrad How Do You Solve Quartic Equations of the Form ax^4+bx^2+c=0?

  • wally50
  • · Replies 1 ·
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1

Undergrad Proof of cos(A+B) and sin(A+B) Identities

  • Ryoukomaru
  • · Replies 22 ·
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22

Graduate Problem Solving and Professional Mathematics

  • philosophking
  • · Replies 4 ·
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4
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5

Which constant should we send to aliens?

  • danne89
  • · Replies 31 ·
2
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31

High School Can you use a mnemonic to remember Pi?

  • Integral
  • · Replies 38 ·
2
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38

Graduate Fast enough clocks to beat the speed of light

  • Dilbert
  • · Replies 8 ·
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8

High School Is 3^4 the Correct Answer? - Erin

  • Erin_Sharpe
  • · Replies 5 ·
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5

Undergrad What is the area of the triangle?

  • Hessam
  • · Replies 3 ·
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3
  • Poll Poll

Graduate What is the Mathematical Probability of Successful Reproduction in Evolution?

  • allen74delval
  • · Replies 9 ·
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9

Undergrad What is the relationship between exponential and natural logarithm?

  • Erin_Sharpe
  • · Replies 12 ·
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12

High School Finding the Values of a and b in the Pythagorean Theorem

  • eNathan
  • · Replies 7 ·
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7

Is Rubik's Cube Worth Our Time?

  • C0nfused
  • · Replies 2 ·
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2

High School Does juxtaposition always show multiplication?

  • C0nfused
  • · Replies 2 ·
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2

High School At What Time Do Hour and Minute Needles Coincide After 12'O Clock?

  • sheperd
  • · Replies 6 ·
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6

Undergrad Finding unknown coefficients in trigonometric graphs

  • Kahsi
  • · Replies 1 ·
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1

Undergrad What math is needed for quantum physics and astrophysics?

  • grays0n
  • · Replies 2 ·
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2

Undergrad How Do You Solve the Equation e^x - x^3 + x^2 - 2x = 0?

  • Cheman
  • · Replies 6 ·
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6

High School How do you reverse an equation?

  • eNathan
  • · Replies 3 ·
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3

High School Solve Trigonometry Equation: Tan 285° + Cos 75° + Cot 60°

  • markm
  • · Replies 4 ·
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4

Undergrad Solve Weighted Averages Problem in SAP BW Warehouse

  • BRYNEVANS
  • · Replies 1 ·
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1

High School Find Area of a Triangle w/ Square Root Problem

  • P_Swift
  • · Replies 3 ·
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3

High School What if our numbering system was not based on 10?

  • Gamish
  • · Replies 56 ·
2
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56

Undergrad Seating 6 men and their wives at a circular table with no adjacent couples

  • abc
  • · Replies 24 ·
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24

High School Make 21 using 1, 5, 6, and 7 with basic operations

  • vikasj007
  • · Replies 5 ·
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5

What is the meaning of Infinity?

  • deydas
  • · Replies 2 ·
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2

Undergrad Solving the 2,0,0,5 Sequence Puzzle - Prove Your Answer!

  • b0mb0nika
  • · Replies 20 ·
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20

High School Properties of Roots of Real Numbers

  • IndigoSwing4
  • · Replies 2 ·
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2

High School Proof of calculating area and volume

  • sitokinin
  • · Replies 31 ·
2
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31

Graduate Quaternionic powers of quaternions?

  • Aphex_Twin
  • · Replies 15 ·
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15

High School How to Use Math to Pick a Country in the Eastern Hemisphere?

  • Gokul43201
  • · Replies 8 ·
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8

High School Why do the 3 medians of a triangle create 6 similar triangles with equal area?

  • Perplexing
  • · Replies 5 ·
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5

High School Angles in a Circle: Are They Equal?

  • Perplexing
  • · Replies 1 ·
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1

High School 1/7 in decimal form is .142857

  • T@P
  • · Replies 5 ·
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5

Undergrad Solve the Arithmetical Teaser: 100-999 Integer

  • Galileo
  • · Replies 5 ·
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5

Undergrad Math/Drinking Teaser: Red or White?

  • DaveC426913
  • · Replies 7 ·
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7

Graduate Solving the Multivariable Proof: A+C/B+D < E+G/F+H

  • Fenix
  • · Replies 2 ·
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2

High School Is a Circle Considered a Function?

  • Loren Booda
  • · Replies 10 ·
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10

High School How to solve 10 sin x = -x

  • kelvintc
  • · Replies 7 ·
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7

Undergrad Estimating Square Roots and the Role of Calculators

  • DeathKnight
  • · Replies 11 ·
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11

Undergrad Computing sin(π/5) with trigonometry and algebra

  • dextercioby
  • · Replies 2 ·
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2

Undergrad Try solving this log equation using algebra

  • newcool
  • · Replies 2 ·
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2

High School Finding the 10th term of 1/1, 2/1, -4/3, 8/5

  • telko
  • · Replies 21 ·
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21

Undergrad Find the Largest Cube Volume on n x n Paper

  • recon
  • · Replies 3 ·
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3

High School Sum of the alternating series 1,-1,1,-1,1,-1

  • vikasj007
  • · Replies 10 ·
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10

High School Can I Simplify This Algebraic Expression by Canceling Out the h?

  • vt33
  • · Replies 2 ·
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2

High School Compute the last digit of 2^2004

  • danne89
  • · Replies 9 ·
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9

Graduate Solving trignometric simultaneous equations

  • peteculmer
  • · Replies 1 ·
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1

Undergrad How do you simplify a binomial expansion of (1 + √(2/(n-1)))^n?

  • recon
  • · Replies 7 ·
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7

Undergrad Competition that i need to pass

  • tongos
  • · Replies 5 ·
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5

High School Length of Line between 2 Points on Circle

  • quasar987
  • · Replies 7 ·
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7

Undergrad Maximum sum of 1/p + 1/q + 1/r with positive integers

  • recon
  • · Replies 12 ·
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12

High School Where is Dolly the cow's tail pointing after 250 dance rotations

  • omicron
  • · Replies 7 ·
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7
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2

Graduate Checking my formula for supply and demand curves

  • QuantumTheory
  • · Replies 14 ·
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14

High School Formula for the perimeter of an oval

  • Register
  • · Replies 11 ·
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11

High School How Do I Solve Trigonometric Equations Using a Graphic Calculator?

  • danne89
  • · Replies 5 ·
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5

High School Maximum number of chess pieces remaining after a draw

  • Loren Booda
  • · Replies 7 ·
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7

High School Subtract or multiply by a number

  • roger
  • · Replies 8 ·
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8

Graduate Proving n=p and m=q Given n,m,p,q

  • jcsd
  • · Replies 15 ·
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15

High School Finding Happy 6-Digit Numbers/Strings

  • T@P
  • · Replies 8 ·
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8

Undergrad Solve Math Puzzle: 6 Men + Wives Sitting in a Circle

  • abc
  • · Replies 2 ·
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2

High School Which lockers are open after 100 students toggle them by multiples

  • T@P
  • · Replies 11 ·
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11

Undergrad How are angles in radians connected to sine, cosine, and tangent values?

  • brendan_foo
  • · Replies 2 ·
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2

Undergrad Factoring irrational equations

  • Roscoe
  • · Replies 5 ·
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5

High School What are Imaginary Numbers used for in mathematics?

  • Problem+Solve=Reason
  • · Replies 4 ·
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4

Undergrad Can Modern Calculators Solve (8^2003 + 6^2003) / 49?

  • scilover89
  • · Replies 6 ·
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6

Undergrad Eigenvalues of adjacency matrices and row sums

  • Niels
  • · Replies 3 ·
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3

High School The next time I hear .9~ isn't 1 I'm

  • Alkatran
  • · Replies 23 ·
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23

Undergrad Trigonometry Question from a Math Contest

  • MathExpert
  • · Replies 12 ·
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12

Graduate Can pi or e ever be rational in a different number system?

  • shrumeo
  • · Replies 19 ·
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19

Undergrad What Are Gabor Wavelets? A Synopsis

  • klusener
  • · Replies 2 ·
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2

High School Writing factored form equations with complex zeros at 3, 0, -9±4i

  • Erin_Sharpe
  • · Replies 2 ·
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2

High School Calculating 3^0.2 without using a calculator?

  • bigyan
  • · Replies 32 ·
2
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32

Graduate Solving y = 3 o(x) 4 with inverse operations

  • Alkatran
  • · Replies 9 ·
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9

High School How do boolean expressions relate to algebra?

  • Problem+Solve=Reason
  • · Replies 6 ·
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6

High School Where did trig functions come from?

  • misogynisticfeminist
  • · Replies 4 ·
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4

High School How to solve quadratic equations using the quadratic formula and factoring

  • Problem+Solve=Reason
  • · Replies 10 ·
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10

High School Are My Math Solutions Correct?

  • qdv
  • · Replies 3 ·
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3