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

Why Is No Work Done Against the Weight of a Skier Moving Down a Slope?

  • Needhelp2
  • · Replies 3 ·
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3

High School Form 8 Digit Number with 7s, 6s & 0s

  • harishm18
  • · Replies 7 ·
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7

Undergrad What is the comparison rate for this homeloan?

  • engineer888
  • · Replies 1 ·
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1

Evaluate 2/α + 3β²: Find Value w/o Equation Solving

  • anemone
  • · Replies 4 ·
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4

Q(x) is a strictly convex function, show that G is positive definite

  • numbersense
  • · Replies 2 ·
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2

High School Can We Divide Vectors?

  • PhyHunter
  • · Replies 14 ·
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14

Undergrad What is the solution of x^2=ln(x)

  • karpmage
  • · Replies 9 ·
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9

Is There a Power of 3 That Ends in 001?

  • mathmaniac1
  • · Replies 3 ·
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3

Find Integer $n$ in Range $100$ to $1997$

  • Albert1
  • · Replies 27 ·
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27

6n^3 + 3 is not a perfect 6th power.

  • mathmaniac1
  • · Replies 1 ·
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1
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4

High School How Do You Find The Exact Value Of Square Root of 3, 5, 7, 11?

  • mymachine
  • · Replies 5 ·
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5

Undergrad What Is the Origin of the Last x! in the Factorial Equation (x + y)!?

  • M. next
  • · Replies 5 ·
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5

Coordinates of Hexagon Vertices in Base (AC, AD)

  • Petrus
  • · Replies 6 ·
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6

Simplification of an equation based on exponent rules

  • ATroelstein
  • · Replies 2 ·
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2

Navigating the Elevator to Rescue the 5 People

  • mathmaniac1
  • · Replies 9 ·
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9

Find x such that the given trigonometric expression equals zero.

  • anemone
  • · Replies 8 ·
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8

Undergrad Determining whether grid coordinates lie within a circle

  • STENDEC
  • · Replies 4 ·
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4

Undergrad How many cars can pass thru a road in time t ?

  • hencre
  • · Replies 2 ·
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2

Can we express cos(pi/11) using radicals?

  • mathbalarka
  • · Replies 2 ·
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2

Undergrad Golden Ratio Dragon Fractal (figured it out)

  • EebamXela
  • · Replies 1 ·
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1

High School Is the Center of Mass Also the Midpoint of a Triangle?

  • sparkzbarca
  • · Replies 5 ·
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5

High School Is the Square Root of 2 an Irrational Number?

  • ltkach
  • · Replies 10 ·
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10

Undergrad An algorithm for data compression?

  • A_Seagull
  • · Replies 13 ·
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13

Graduate John Nash, Newton and F. Lee Baily walk into a bar.

  • Rlafrog
  • · Replies 3 ·
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3

Mohammed's question in facebook

  • alyafey22
  • · Replies 1 ·
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1

High School Square Numbers Easily: A Simple Technique

  • deep838
  • · Replies 6 ·
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6

High School What makes the Fibonacci sequence and its related concepts golden?

  • Bogrune
  • · Replies 11 ·
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11

Crack the Code: A Puzzle Challenge!

  • Farmtalk
  • · Replies 2 ·
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2

How to Simplify Nested Radicals?

  • anemone
  • · Replies 1 ·
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1

High School Hello, what are these kind of math problems called

  • katherinetp
  • · Replies 2 ·
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2
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2

How should I interpret this question?

  • Jameson
  • · Replies 5 ·
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5

Tom's question at Yahoo Answers regarding proof by induction

  • MarkFL
  • · Replies 1 ·
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1

Undergrad Factoring 4th degree polynomials.

  • cp255
  • · Replies 3 ·
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3

High School What Does the Floor Function Identity Mean?

  • eddybob123
  • · Replies 4 ·
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4

Is 1 + 10 equal to 9 in this group?

  • mathmaniac1
  • · Replies 5 ·
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5

How to find angles of a triangle

  • Andrei1
  • · Replies 3 ·
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3

GCD: Fastest Method to Simplify Fractions

  • Petrus
  • · Replies 4 ·
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4

Undergrad How Much Force is Needed to Ground a Flying Jet?

  • brenan
  • · Replies 3 ·
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3
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1

How do I solve 2x/7 = 2x^2 using division and substitution?

  • babcockkw
  • · Replies 9 ·
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9

Find the value of 3/a + 3/a² + 3/a³.

  • anemone
  • · Replies 4 ·
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4

Last 2 Digits of $2^{2n}(2^{2n+1}-1)$

  • Albert1
  • · Replies 11 ·
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11

Einstein-Pythagorus Theorem: E=ma^2+mb^2=mc^2

  • soroban
  • · Replies 1 ·
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1

No Rational Roots of $x^n+\cdots+1=0$

  • melese
  • · Replies 3 ·
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3

Proving Equality: a^4+b^4+(a-b)^4=c^4+d^4+(c-d)^4

  • anemone
  • · Replies 5 ·
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5

Undergrad Can √(a^2+2ab-2ac+b^2+2bc+c^2) Be Complex?

  • Tala.S
  • · Replies 15 ·
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15

Undergrad Using a semicolon in a functin argument. eg. f = f(x, y; t)

  • mikeph
  • · Replies 3 ·
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3
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6

Efficient Family Bridge Crossing Strategy

  • mathmaniac1
  • · Replies 1 ·
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1

Undergrad Polynomial to represent a linear rectangle element

  • bugatti79
  • · Replies 5 ·
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5

Determine the ratio of two angles in a triangle.

  • anemone
  • · Replies 2 ·
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2

Uncovering the Mysteries of Nuclear Physics: A Practice Test and Worksheet

  • sadsadsadsa
  • · Replies 5 ·
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5

Cutting an elephant-sized hole in a sheet of paper

  • mathmaniac1
  • · Replies 19 ·
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19

High School What Does the Notation [7,8) Represent?

  • mymachine
  • · Replies 1 ·
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1

Undergrad How To Solve These Equations? (Deleted Post)

  • mymachine
  • · Replies 2 ·
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2

Undergrad Is Categorizing Mathematics into 10 Levels Effective?

  • Deicider
  • · Replies 1 ·
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1

Graduate Find global minimum of f(x1,x2, xn), with many local minima

  • mikeph
  • · Replies 1 ·
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1

High School Is all Math nothing more than addition?

  • Deicider
  • · Replies 3 ·
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3

Undergrad 2D trilateration with 3 sensors

  • Ischyros
  • · Replies 5 ·
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5

Undergrad What is a Knot Vector and How Do You Define It?

  • mymachine
  • · Replies 2 ·
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2

Find x and y values that satisfy the given conditions

  • Albert1
  • · Replies 2 ·
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2
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1

Can You Solve This Equation with Quadratic Formula?

  • anemone
  • · Replies 3 ·
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3

Undergrad How do we know Pi is Constant?

  • Jow
  • · Replies 20 ·
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20

Figuring Out Glue Usage for 216,000

  • oxicottin
  • · Replies 12 ·
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12

Find Distance between Poles Given Hanging Cable

  • soroban
  • · Replies 3 ·
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3

Prove Inequality: 1 < √3 < 2 ⇒ 6 < 3^√3 < 7

  • anemone
  • · Replies 2 ·
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2
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1

Undergrad Can Basic Addition Reach Higher Level Mathematics? A Mathematician's Perspective

  • g4143
  • · Replies 29 ·
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29

Find the number of line and column where the number 2002 stays.

  • anemone
  • · Replies 3 ·
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3
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1

Undergrad Optimal Methods for Factoring Equations

  • uperkurk
  • · Replies 4 ·
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4

How does mathematics make you feel

  • uperkurk
  • · Replies 8 ·
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8

Undergrad Solving Train Network Traps: Graph Theory Resources

  • Ibix
  • · Replies 4 ·
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4

Undergrad Number and sum of prime factors of a number

  • suchith
  • · Replies 3 ·
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3

Undergrad Same Areas of Trapezoid within Triangle, why?

  • chrisoutwrigh
  • · Replies 6 ·
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6

Undergrad What is the Mathematics of the Mesh?

  • mymachine
  • · Replies 1 ·
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1

Undergrad Finite sum formula for tangent (trigonometry)

  • Vahsek
  • · Replies 4 ·
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4

High School Help Me Solve Equationsystem Problem with x & y

  • nastyjoe
  • · Replies 4 ·
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4

Find all real solutions of the given equation.

  • anemone
  • · Replies 7 ·
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7

Undergrad Turn Envelope Wave into one Sine Wave

  • 1plus1is10
  • · Replies 2 ·
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2

Undergrad The circumference of an ellipse

  • deep838
  • · Replies 4 ·
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4

Max & Min of xy for $x^2-xy+2y^2=116$

  • Albert1
  • · Replies 6 ·
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6

Help required to calculate change in tempo over time

  • sammyg1
  • · Replies 12 ·
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12

What are the steps to find the roots of a cubic equation?

  • r-soy
  • · Replies 10 ·
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10

Undergrad How can you solve the 12 ball puzzle with a twisted balance scale?

  • lugita15
  • · Replies 9 ·
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9

Ann's question at Yahoo Answers (At most two roots)

  • Fernando Revilla
  • · Replies 3 ·
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3

Factor Polynomial: x^3-27, Find A, B, C

  • cchacon92
  • · Replies 5 ·
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5

Undergrad Gauß Formula: Is This a New Discovery?

  • Lls27
  • · Replies 7 ·
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7

High School Set 4.5x - 9(1-x) to Equal -1 with TI 83 Calculator

  • Kombaiyashii
  • · Replies 3 ·
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3

Undergrad Koch snowflake and planck length

  • fromage123
  • · Replies 4 ·
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4

High School Newpaper reports on Pi Day 3.14

  • ramsey2879
  • · Replies 14 ·
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14

Lacey's question at Yahoo Answers regarding a quadratic equation

  • MarkFL
  • · Replies 1 ·
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1

Diagonal Crossing Challenge: 800x200 Rectangle

  • mathmaniac1
  • · Replies 10 ·
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10

Triangular prism on top of rectangular prism in the shape of a house......

  • Sting124
  • · Replies 7 ·
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7

Calculating the Length of BC: A Geometric Exploration

  • Albert1
  • · Replies 6 ·
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6

Undergrad Is the Equation x^{a^b} = (x^{a^{b-1}})^a True for All Natural Numbers?

  • notnottrue
  • · Replies 2 ·
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2

High School My interests and skills do not coincide

  • CALoudermilk
  • · Replies 9 ·
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9