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

Undergrad What is the structure and purpose of abstracts in math papers?

  • flamengo
  • · Replies 2 ·
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Where to find fun math problems to solve with a friend

  • Arman777
  • · Replies 6 ·
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6

Prove a number is divisible by a number?

  • TinaSprout
  • · Replies 7 ·
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7

Solving for gravitational constant from escape velocity formula

  • Edwin1974
  • · Replies 6 ·
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6

Undergrad Putting a point inside a triangle in 3D space

  • wukunlin
  • · Replies 5 ·
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5

Find all functions satisfying f(mn)=f(m)f(n), and m+n|f(m)+f(n)

  • lfdahl
  • · Replies 5 ·
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5

Is the Product \(abc(a^3-b^3)(b^3-c^3)(c^3-a^3)\) Divisible by 7?

  • kaliprasad
  • · Replies 1 ·
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1

Algebraic expression simplification 2(2u+v)/u = 4(v^2-4u^2)/3u^2

  • Nightspider
  • · Replies 4 ·
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4

Undergrad Fitting circles inside other circles

  • wolfieon2
  • · Replies 20 ·
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20

Insights Make Units Work for You - Comments

  • scottdave
  • · Replies 13 ·
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13

Undergrad Rigorous proof that an infinite sum of zeros equals zero

  • deRoy
  • · Replies 33 ·
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Calculate Buoyant Force of 2.00L Helium Balloon

  • cbarker1
  • · Replies 1 ·
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Undergrad Calculation of x from log equation

  • AligatorAmy
  • · Replies 3 ·
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3

High School How were techniques for solving quadratic equations discovered?

  • Fascheue
  • · Replies 5 ·
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5

Find Tension and mass of painting equipment on scuffle board.

  • cbarker1
  • · Replies 3 ·
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3

Insights Exam and homework strategies to save time and avoid mistakes

  • fresh_42
  • · Replies 25 ·
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25

Undergrad Solving new problems (ones that have not yet been solved)

  • Fascheue
  • · Replies 10 ·
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10

High School What does 10^10^79 mean?

  • Simon Peach
  • · Replies 5 ·
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5

Can You Solve for Tension and Force in Static Equilibrium for a Boom?

  • cbarker1
  • · Replies 2 ·
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2

Maximize Σ(x^2+y)(y^2+x))/((x+y-1)^2)

  • lfdahl
  • · Replies 2 ·
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2

High School Simplifying expressions -- What exactly does it mean to simplify an expression?

  • Fascheue
  • · Replies 7 ·
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7

Find force with Young's modulus

  • cbarker1
  • · Replies 1 ·
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Undergrad Longer math and physics problems

  • Fascheue
  • · Replies 7 ·
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7

High School Does 0.999... equal 1?

  • Fala483
  • · Replies 1 ·
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1

Undergrad Understanding Cauchy-Schwarz Inequality

  • Mr Davis 97
  • · Replies 7 ·
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7

Which Taxi Has the Cheapest Fare for 15 km?

  • susanto3311
  • · Replies 8 ·
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8

High School Hot tubs and hyperbolic curves

  • DaveC426913
  • · Replies 9 ·
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9

How do I solve x² - x - 4 = 0?

  • MrHexG
  • · Replies 4 ·
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4

High School A single or multiple equations of 'y'?

  • pairofstrings
  • · Replies 17 ·
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17

How to Make 24 with 21, 20, 22, and 6 Using Basic Operations?

  • Monoxdifly
  • · Replies 1 ·
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2

Undergrad Finding the explicit solution of a trig equation

  • fog37
  • · Replies 6 ·
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6

Undergrad Proof: 0.9999 does not equal 1

  • Math401
  • · Replies 2 ·
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2

Undergrad Domain of the identity function after inverse composition

  • Derrick Palmiter
  • · Replies 3 ·
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3

Mental math techniques for multiple choice problems

  • susanto3311
  • · Replies 2 ·
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2

Proving Inequality: \(\frac{1}{n^2}\) Sum < \(\frac{7}{4}\)

  • lfdahl
  • · Replies 2 ·
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High School How can I calculate this hyperbola's equation?

  • liamnerf
  • · Replies 2 ·
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2

Distance between points in a triangle

  • Yankel
  • · Replies 1 ·
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1

Polygonal Hamster Wheel with 24901 sides.

  • RaAmonKhan
  • · Replies 5 ·
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5

Ratio problem: The ratio of Liquid X to Liquid Y in a mixture is 3 to 7

  • JohnDoe01
  • · Replies 2 ·
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Speed of Perigee: Find Satellite Velocity at 750 km

  • cbarker1
  • · Replies 7 ·
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High School Is the object of an experiment a variable?

  • Baho Ilok
  • · Replies 21 ·
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How Does Air Resistance Affect Power in Rotational Motion?

  • cbarker1
  • · Replies 1 ·
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What Determines the Angular Momentum of a Rolling Boulder?

  • cbarker1
  • · Replies 1 ·
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Undergrad Manipulating mg - m(g/(1+M/2m)) = T to solve for T

  • Michael Barilla
  • · Replies 5 ·
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5

Undergrad Is There Really a Shortage of Math Majors?

  • Apple_Mango
  • · Replies 5 ·
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5

Formula to extend a line in 3d (opposite of midpoint formula)

  • LMHmedchem
  • · Replies 2 ·
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2

Adding fractions: 3/4 pound turkey plus 5/6 pound beef

  • Acesoar
  • · Replies 4 ·
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Is the Converse of the Given Statement True for Any Positive Integer n?

  • johnny009
  • · Replies 3 ·
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3

Solving Integer Equations for Integers Not Hit By Any Expression

  • lukem
  • · Replies 5 ·
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2

High School Is log8 (x/2) same as log8 x/2?

  • wzwz
  • · Replies 6 ·
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6

Undergrad How do you solve systems of equations in complex physics problems?

  • Fascheue
  • · Replies 6 ·
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6

High School Calculating the area of a circle or square using decimals

  • Camdenl
  • · Replies 9 ·
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9

Find accelerations- Angular and linear

  • cbarker1
  • · Replies 10 ·
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10

Unique Area of Triangle Formula

  • mathdad
  • · Replies 2 ·
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Graphing the interval |x| < 2 on a number line

  • mathdad
  • · Replies 3 ·
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Expression involving roots of quadratic equation

  • mathdad
  • · Replies 1 ·
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Question 29- How to conclude the following proof.

  • cbarker1
  • · Replies 2 ·
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4

Showing |x| > 0 on a number line

  • mathdad
  • · Replies 2 ·
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2

Undergrad Can single variable equations always be solved using basic math principles?

  • Fascheue
  • · Replies 3 ·
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3

Graph Rational Function By Hand

  • mathdad
  • · Replies 5 ·
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5

Can Two Points in a Cube Be Less Than √(3)/2 Apart?

  • lfdahl
  • · Replies 2 ·
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2

Rewrite expression without absolute value using algebraic definition

  • mathdad
  • · Replies 1 ·
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1

Rewrite expression without absolute value bars

  • mathdad
  • · Replies 1 ·
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1
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1

Find Inverse of Rational Function

  • mathdad
  • · Replies 7 ·
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2

Graduate Recurrence Formula for 3,5,13,27,55,...

  • intervoxel
  • · Replies 2 ·
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2

Inequality of Four Variables: Prove Σab(a^2+b^2+c^2)≤2

  • anemone
  • · Replies 1 ·
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Minimal moves for Peter to guarantee victory in the chessboard game

  • Evgeny.Makarov
  • · Replies 1 ·
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1

Triangular Relations: Proving (AD)^2+(DE)^2+(AE)^2= \frac{2}{3}(BC)^2

  • solakis1
  • · Replies 1 ·
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1

Unlocking An Irrational Location: Solving a Geocaching Puzzle

  • waterdroplet
  • · Replies 7 ·
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7

Finding the Equation of a Circle Given the Diameter Coordinates

  • mathdad
  • · Replies 9 ·
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9

Undergrad Mathematical Simulation of Patent. Very General

  • WWGD
  • · Replies 2 ·
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2
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8

What is the Center and Radius of a Circle?

  • mathdad
  • · Replies 9 ·
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9

What is the midpoint of these given points?

  • mathdad
  • · Replies 2 ·
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2
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3

Prove that the sum of cosines equals 1/2 for odd N

  • Greg
  • · Replies 2 ·
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2

High School Why Does This Algebraic Identity Work in Relativistic Doppler Calculations?

  • Daniel Sellers
  • · Replies 4 ·
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4

Graduate Are we in the early stages of mathematics and physics?

  • Chad134
  • · Replies 6 ·
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6
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4

Is the distance between AB and BC the same using the given coordinates?

  • mathdad
  • · Replies 14 ·
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14

I made 2 equations but can they become 1

  • DRMSquared
  • · Replies 4 ·
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4

What is the Polynomial P(x) Given a Specific Quotient and Remainder?

  • missnerdist
  • · Replies 2 ·
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Undergrad How to Determine the Size of a K-Map?

  • Neon32
  • · Replies 1 ·
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1

Dimensions of a rectangular prism

  • Madds
  • · Replies 2 ·
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2

Find Car B's Initial Velocity: A Physics Puzzle

  • cbarker1
  • · Replies 2 ·
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2

Trigonometric equality sin15°sin24°sin57°=sin39°sin27°sin18°

  • anemone
  • · Replies 1 ·
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1

Finding cos(A+C) from two equations with triangle angles

  • maxkor
  • · Replies 1 ·
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1

How Should Bert Correctly Finish His Mental Subtraction Problem?

  • mathdad
  • · Replies 5 ·
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5

What is the Common Core method for solving 2x + 3x?

  • mathdad
  • · Replies 2 ·
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2

Center of mass of plywood sheet with corner removed

  • cbarker1
  • · Replies 5 ·
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Therefore, AB + BC = AC, thus proving that the given equation is true.

  • mathdad
  • · Replies 3 ·
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3

What Are the Consecutive Even Integers in This Algebra Problem?

  • mathdad
  • · Replies 7 ·
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7