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

Determine if you have enough information to figure question.

  • clhrhrklsr
  • · Replies 12 ·
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12

High School Formula for missing person's weight from team of 5

  • 20GT
  • · Replies 22 ·
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22

What is x when c is at maximum?

  • Wilmer
  • · Replies 2 ·
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2

Is the Inequality of Series Proven with 1 to 99 and 2 to 100?

  • Albert1
  • · Replies 2 ·
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2

Prove Inequality: $18<\sum\limits_{i=2}^{99}\dfrac 1{\sqrt i} <19$

  • Albert1
  • · Replies 2 ·
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2

No Integer x for Which $P(x)=14$ Given Four Integer Values of $P(x)=7$

  • kaliprasad
  • · Replies 2 ·
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2

System of Equations: Find Real Numbers $p,q,r,s$

  • anemone
  • · Replies 1 ·
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1
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2

High School Understanding Affine Functions: A Beginner's Guide

  • gfd43tg
  • · Replies 1 ·
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1

Finding the angle opposite the R

  • Drain Brain
  • · Replies 1 ·
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1

Finding the Resultant Angle for Vector Addition Using Law of Sines and Cosines

  • bergausstein
  • · Replies 4 ·
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4

Finding the Speed of an Aeroplane - Math Help Forum

  • wrightarya
  • · Replies 6 ·
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6

Help Me Solve the Golden Ratio Question

  • wrightarya
  • · Replies 1 ·
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1

Undergrad How Does Mathematical Induction Work?

  • ineedhelpnow
  • · Replies 26 ·
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26

Remainder of $\dfrac {19^{81}+19^{49}+19^{25}+19^9+19}{19^3-19}$

  • Albert1
  • · Replies 1 ·
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1

Where to Find New Math Materials from the 1960s?

  • LeoSmolka
  • · Replies 3 ·
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3

Explaining Dimensions of Tanagrams Without Midpoint Assumptions

  • jljarrett18
  • · Replies 2 ·
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2

Determine if you have enough info to figure a side

  • clhrhrklsr
  • · Replies 4 ·
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4

Graduate Can Different Types of Infinities Coexist in Mathematical Reality?

  • sludger13
  • · Replies 27 ·
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27

Graduate Congruence statements, with a statement of percentage

  • 1MileCrash
  • · Replies 2 ·
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2

Graduate The most beautiful chain of equalities I have ever seen

  • epr1990
  • · Replies 1 ·
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1

High School Polynomial long division -- How does it work?

  • TheSodesa
  • · Replies 14 ·
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14

How do you add and subtract measurements?

  • clhrhrklsr
  • · Replies 17 ·
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17

Polynomial Challenge V: Real Solution Implies $p^2+q^2\ge 8$

  • anemone
  • · Replies 4 ·
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4

What Are the Variable Restrictions in the Equation 5/x = (10/3x) + 4?

  • rynesdad5
  • · Replies 2 ·
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2

Undergrad Proof of PSF quadratic factorising

  • bairdos
  • · Replies 1 ·
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1

Problem on finding least number

  • burgess
  • · Replies 3 ·
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3

What integer makes $(x-a)(x-10) +1$ factorable as $(x+b)(x+ c)$?

  • kaliprasad
  • · Replies 7 ·
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7

High School Why is the hyperbola round at the bottom?

  • davidbenari
  • · Replies 4 ·
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4

Undergrad Modular Arithmetic: Explained and Proven

  • davon806
  • · Replies 7 ·
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7

What is the area of a parallelogram without knowing the height?

  • jljarrett18
  • · Replies 11 ·
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11

Undergrad How Do I Simplify the Right Side of the Mathematical Induction Equation?

  • Hazel
  • · Replies 9 ·
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9

Find the Max of $PC$ in $\triangle ABC$

  • Albert1
  • · Replies 1 ·
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1

Find Sum of Diagonals of Pentagon $PQRST$

  • anemone
  • · Replies 5 ·
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5
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2

Find the sum of all real solutions

  • anemone
  • · Replies 5 ·
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5

Graduate Koch Snowflake Proof by Induction.

  • 96hicksy
  • · Replies 1 ·
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1

Calculation of angles in normal anatomical curved bones that are fractured.

  • thormunch
  • · Replies 1 ·
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1

Can You Prove the Floor Function Challenge for Real Numbers?

  • anemone
  • · Replies 4 ·
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4

Deferred Periodicity of a Number

  • kaliprasad
  • · Replies 2 ·
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2

Undergrad Need digital root calculation for large numbers

  • 9I.
  • · Replies 1 ·
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1

Why did Sophie Come Up with Germain Primes?

  • matqkks
  • · Replies 2 ·
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2

Interesting Problem From Another Site

  • soroban
  • · Replies 1 ·
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1

Undergrad What are some examples of exact forms of the golden ratio?

  • mesa
  • · Replies 2 ·
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2

Simplifying Complex Math Expression

  • ineedhelpnow
  • · Replies 2 ·
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2

Graduate How can a transcendental number be a base?

  • p1l0t
  • · Replies 6 ·
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6

Uncovering the Hidden Identity in Solving Quadratic Equation Challenge

  • Saitama
  • · Replies 9 ·
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9

Factoring x^2 + y^2 | Sophie Germain's Identity

  • Dethrone
  • · Replies 7 ·
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7

What Does It Mean for Expressions to Be Non-Integral and Non-Rational?

  • Drain Brain
  • · Replies 1 ·
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1

A Guide to Growing Your Own Herbs""Growing Herbs: A Beginner's Guide

  • Albert1
  • · Replies 4 ·
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4

Undergrad Why Do Different Prime Number Variations Occur in Equal Frequencies?

  • Bob3141592
  • · Replies 2 ·
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2

Undergrad Online calculator that can form an equation of a curve

  • Ledsnyder
  • · Replies 1 ·
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1

Algebra Challenge: Prove $\dfrac{2007}{2}-\ldots=\dfrac{2007}{2008}$

  • anemone
  • · Replies 1 ·
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1

What Are Essential Tips for Hiking in the Woods?

  • Albert1
  • · Replies 2 ·
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2
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2

Max Area of $\triangle ABC$ with $AB=AC$ and $BD=m$

  • Albert1
  • · Replies 3 ·
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3

How to Create an Online Store for Your Business

  • Albert1
  • · Replies 1 ·
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1

How to Determine the Vertex of a Parabola?

  • Amer
  • · Replies 3 ·
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3

High School Good tutorials on Algebra II, trig and calc?

  • Nerdydude101
  • · Replies 4 ·
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4

Undergrad Why Did Sophie Germain Discover Germain Primes?

  • matqkks
  • · Replies 1 ·
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1

Graduate Is Pi a rational number in any other base besides base Pi?

  • p1l0t
  • · Replies 19 ·
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19

Index Refraction Yell Light Sodium Lamp Liquid 1.92E8m/s

  • skinnermitch
  • · Replies 1 ·
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1

Undergrad Converting equations to linear equations?

  • christian0710
  • · Replies 4 ·
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4

What Are the Real Solutions to This Complex Quadratic Equation?

  • anemone
  • · Replies 4 ·
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4

Chapter 36 Problem #9 Diffraction

  • Federico1
  • · Replies 1 ·
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1

Finding conditions for which an inequality holds

  • kalish1
  • · Replies 1 ·
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1

Undergrad Why Should You Avoid Assumptions in Math?

  • airbusman
  • · Replies 19 ·
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19

Minimum value of $a$ for Quadratic Polynomial

  • anemone
  • · Replies 8 ·
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8

Solve Trig Challenge: Find All Values of x

  • anemone
  • · Replies 2 ·
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2

Which is Larger: $2005!$ or $2^{18000}$?

  • anemone
  • · Replies 2 ·
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2

30-60-90 triangle side lengths

  • jimhayes
  • · Replies 1 ·
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1

FE 1D method and hat functions

  • Carla1985
  • · Replies 10 ·
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10

Solving System of Equations using Substitution or Elimination

  • Hazel
  • · Replies 10 ·
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10

Find Number b/w 1000-2000: Impossible Sum of Consec. Nums

  • kaliprasad
  • · Replies 2 ·
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2

Understanding Kinematic Relative Motion: Solving Problem 1

  • leprofece
  • · Replies 3 ·
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3

Sexagisimal and centisimal system

  • Drain Brain
  • · Replies 7 ·
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7

High School How is prime number programmed

  • rajeshmarndi
  • · Replies 8 ·
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8

Can the Polynomial $x^7-2x^5+10x^2-1$ Have a Root Greater Than 1?

  • anemone
  • · Replies 6 ·
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6

How can I convert degrees to grades using a conversion factor?

  • Drain Brain
  • · Replies 1 ·
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1

Graduate Conne's indexing construction for Penrose tilings

  • nomadreid
  • · Replies 2 ·
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2

Book Solving Complex Math Problems

  • leprofece
  • · Replies 1 ·
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1

Air Race from Metropolis to Aniba Gothic and Back

  • leprofece
  • · Replies 1 ·
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1

I do not recognize:$$B=\frac{\mu_0 I R^2}{2 R}$$Where did you find it?

  • nerdsamurai22
  • · Replies 1 ·
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1

Calculating Magnetic Field & Thermal Energy in a Mass Spectrometer

  • claire1
  • · Replies 2 ·
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2

Phasor to sinusoid conversion help

  • bryanhpaul
  • · Replies 2 ·
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2

Math vs Physics: Which is Better? Opinions?

  • Matterwave
  • · Replies 3 ·
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3

Graduate Reverse-engineer fractal resampling process

  • deadrabbit
  • · Replies 2 ·
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2

Geometry and Trigonometry Challenge

  • anemone
  • · Replies 2 ·
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2

Find the greatest positive integer

  • anemone
  • · Replies 2 ·
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2

What is the bearing and distance between cities A and C?

  • Jerome1
  • · Replies 2 ·
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2

Sequence Challenge: Find $a_{61}+a_{63}$

  • anemone
  • · Replies 1 ·
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1

Divide a big cube into 49 small cubes

  • Albert1
  • · Replies 3 ·
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3

High School Convert Psi to Lbs: How Much Can 10,000 psi Lift?

  • dnesnej
  • · Replies 1 ·
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1

Solving the Diophantine Equation $a^4 + 79 + b^4 = 48ab$

  • anemone
  • · Replies 4 ·
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4

Solving an Elusive Problem: Seeking Inspiration from MHB

  • anemone
  • · Replies 9 ·
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9
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4

Undergrad Is there a guide to inventing mathematical theories?

  • hatemalnaggar
  • · Replies 26 ·
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26

Cubic Equation Challenge: What is the value of $mn^2+nk^2+km^2$?

  • anemone
  • · Replies 2 ·
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2

Find the primes,for which a relation is satisfied

  • evinda
  • · Replies 8 ·
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8

Solve Ramesh's Algebra 1 Homework on Ages

  • burgess
  • · Replies 3 ·
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3