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

What is the reference number given -5π/6?

  • mathdad
  • · Replies 4 ·
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4

Evaluate Trig Expressions....Part 1

  • mathdad
  • · Replies 2 ·
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2

High School Exponential Growth: Modeling growth in months vs years

  • opus
  • · Replies 3 ·
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3

High School Math Jokes: 1-1=0, but 2=0? Impossible!

  • Harsha Avinash Tanti
  • · Replies 5 ·
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5

Solve the equation cos^8θ+sin^8θ−2(1−cos^2θsin^2θ)^2+1=0

  • lfdahl
  • · Replies 4 ·
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4

Undergrad Euler, De Moivre and a printing error

  • wirefree
  • · Replies 2 ·
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2

Why use point-slope form for linear equations?

  • mathdad
  • · Replies 4 ·
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4

How can the given equation be verified without using a calculator?

  • mathdad
  • · Replies 3 ·
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3

Undergrad Rational powers of irrational numbers

  • BWV
  • · Replies 27 ·
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27

[ASK] How long must he wait until the ball fall to the ground if g = 10m/s^2

  • Monoxdifly
  • · Replies 6 ·
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6

Calculating Elevation Angle to Hit Target at 100 m and 10 m

  • Monoxdifly
  • · Replies 5 ·
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5

High School Is infinity truly infinite if it has something else in it?

  • ddjj77
  • · Replies 4 ·
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4
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2

Finding the Equation of a Line with Point-Slope Formula

  • mathdad
  • · Replies 2 ·
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2

Approximating Trig Values using the Unit Circle

  • mathdad
  • · Replies 11 ·
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11

Equation to find an unknown point on a graph

  • Jazoar
  • · Replies 1 ·
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1

Graduate Vector Notation in Nolting Theoretical Physics 1

  • Teclis
  • · Replies 1 ·
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1

What is the rate for getting your paycheck early from a payday lender?

  • mathdad
  • · Replies 11 ·
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11

Evaluate sin 6 without using a calculator?

  • mathdad
  • · Replies 27 ·
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27

High School Absolute Value Inequality, |x|>|x-1|....where's my mistake?

  • mishima
  • · Replies 4 ·
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4

Prove Polynomial Congruence $(x+y)^n \equiv x^n + y^n$ (mod $p$)

  • lfdahl
  • · Replies 2 ·
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2

What's the difference in resistance between A and B vs A and C?

  • MermaidWonders
  • · Replies 16 ·
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16

How to Determine the Reflection of a Parabola by a Given Line?

  • Monoxdifly
  • · Replies 4 ·
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4

High School Basic Graphing Rules: Learn How to Graph Properly

  • FS98
  • · Replies 3 ·
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3

Why is the book's answer for rationalizing the denominator x^(3/2)?

  • mathdad
  • · Replies 6 ·
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6

How Can I Evaluate Trig Functions Without a Calculator?

  • mathdad
  • · Replies 6 ·
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6

How can I determine the biggest trig value without a calculator?

  • mathdad
  • · Replies 4 ·
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4

Rationalize Numerator & Denominator

  • mathdad
  • · Replies 2 ·
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2

Can Two Numbers Satisfy These Exponential Conditions?

  • mathdad
  • · Replies 4 ·
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4

Big Denominator = Small Fraction

  • mathdad
  • · Replies 2 ·
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2

Angular and Linear Speed....Part 1

  • mathdad
  • · Replies 4 ·
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4

High School Did President Garfield really come up with an alternate proof?

  • swampwiz
  • · Replies 3 ·
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3

Angular Speed of Smaller Wheel

  • mathdad
  • · Replies 2 ·
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2

Angular Speed of Smaller Wheel

  • mathdad
  • · Replies 2 ·
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2

Undergrad How High Must You Be to See 1° of Earth's Curvature?

  • FelixLudi
  • · Replies 10 ·
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10

Prove Area of Equilateral Triangle

  • mathdad
  • · Replies 9 ·
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9
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6

Is FOIL used to multiply radicals in sqrt{x - 3} • sqrt{x}?

  • mathdad
  • · Replies 10 ·
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10

How many regions can be obtained by drawing two squares?

  • Sadia Ali
  • · Replies 5 ·
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5

Degree Measure of Central Angle

  • mathdad
  • · Replies 4 ·
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4

What is the nearest 10 mph to 684,288,000 pi miles per hour?

  • mathdad
  • · Replies 3 ·
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3

What is the Correct Value of r if 9!/(9-r)! = 840?

  • mathdad
  • · Replies 2 ·
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2

Is 106 = 9Cx correct for this combination problem?

  • mathdad
  • · Replies 13 ·
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13

Max Area of Simple Quadrilateral w/ Sides $a$ & $b$: Justification

  • lfdahl
  • · Replies 4 ·
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4

Finding Unknown Side - Get Help Solving Now

  • 8008jsmith8008
  • · Replies 1 ·
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1

Divide into 2 congruent pieces

  • I like Serena
  • · Replies 2 ·
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2

Get Expert Math Help at Your Fingertips

  • hotpink4
  • · Replies 7 ·
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7

Graphing Distance vs. Time for a Commuting Student's Forgotten Term Paper

  • mathdad
  • · Replies 22 ·
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22
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1

Did I Calculate the Perimeter of A Sector Correctly?

  • mathdad
  • · Replies 2 ·
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2

Graduate Binary fractal tree with equidistant leaves on a circle

  • Ventrella
  • · Replies 4 ·
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4

Divide into 5 congruent pieces

  • I like Serena
  • · Replies 2 ·
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2

What is the area of the quadrilateral?

  • Monokonos
  • · Replies 1 ·
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1

Calculate third point from 2 points and an angle

  • GamerVSL
  • · Replies 3 ·
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3

Undergrad What does the vertical line in this equation mean?

  • APUGYael
  • · Replies 4 ·
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4

Undergrad How to calculate the tractive effort of a train?

  • Tim Leijten
  • · Replies 13 ·
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13

Undergrad Find Lowest Rung to Drop Bottles & Prevent Breakage - Problem Solving

  • srfriggen
  • · Replies 26 ·
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26
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6

Calculate the rotational frequency in r/s and the diameter of the drive pulley

  • mikeystrike
  • · Replies 1 ·
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1

Graduate Why mathematicians do not solve mathematical theories?

  • Jacob Dizen
  • · Replies 10 ·
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10

Whatzit? Number Fun - 144 / (1 + 4 + 4) = 1*4*4

  • Wilmer
  • · Replies 5 ·
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5

Divisibility of Terms in an Arithmetic Series

  • mathdad
  • · Replies 5 ·
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5

Finding $\theta$ in a Geometric Diagram

  • anemone
  • · Replies 1 ·
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1

Induction Prove: Making Fractions 1/2 to 1

  • cshao123
  • · Replies 1 ·
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1

Which fractions can you make (with proof)?

  • cshao123
  • · Replies 7 ·
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7

High School What Happens to 1D Dimensions When They Curl Up in Superstring Theory?

  • bluecap
  • · Replies 18 ·
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18

9.25 a centrifuge takes up only 0.127 m of bench space

  • karush
  • · Replies 5 ·
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5

Show that sin10∘ is irrational number

  • kaliprasad
  • · Replies 8 ·
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8

Undergrad Defining Legendre polynomials in (1,2)

  • confused_engineer
  • · Replies 2 ·
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2

High School What is the name of this triangular geometric shape?

  • shintashi
  • · Replies 2 ·
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2

High School Super basic polynomial and exponent definition help

  • Greg Bernhardt
  • · Replies 15 ·
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15

How to Calculate the Updated Salary Ratio in a Factory?

  • mathdad
  • · Replies 4 ·
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4
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1

Ice Skating Collision: Daniel & Rebecca

  • karush
  • · Replies 6 ·
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6

Undergrad Is this a paradox on the number line

  • PT1
  • · Replies 16 ·
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16

Surface of protein channel in membranes

  • Joppy
  • · Replies 2 ·
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2

What is the present age of the mother and son in this age problem?

  • mathdad
  • · Replies 4 ·
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4

How can we solve a radical equation without using a calculator?

  • mathdad
  • · Replies 5 ·
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5

Undergrad Question about the Divisor Function/Sums and Project Euler

  • Delta31415
  • · Replies 4 ·
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4

Evaluate the product of sines: sin1sin2sin3…sin89

  • lfdahl
  • · Replies 5 ·
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5

How precise is (4/3)^4 compared to π?

  • mathdad
  • · Replies 4 ·
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4

Solving an Investment Word Problem

  • Elissa89
  • · Replies 7 ·
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7
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4

How many birds are at the top and bottom of the tree?

  • mathdad
  • · Replies 6 ·
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6

High School Does changing the equation of a function require a new function name?

  • Abu
  • · Replies 7 ·
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7

High School Behavior of polynomial functions at their zeros

  • opus
  • · Replies 6 ·
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6

What is the difference between log and ln?

  • mathdad
  • · Replies 3 ·
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3

Exponential Equations solve 27^x=1/√3

  • Fright535
  • · Replies 2 ·
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2

High School Fermat's Last Theorem; unacceptable proof, why?

  • v4theory
  • · Replies 12 ·
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12

[ASK] polynomial f(x) divided by (x - 1)

  • Monoxdifly
  • · Replies 2 ·
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2

Graduate Are There More Integer Solutions to a^3+b^3+c^3=d^3 Beyond 3^3+4^3+5^3=6^3?

  • kuruman
  • · Replies 2 ·
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2

Test whether the integer is a prime

  • evinda
  • · Replies 96 ·
4
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96

How Far is Point (b,0) from the Final Destination (10,0)?

  • mansourjavna
  • · Replies 1 ·
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1

Find Real Solutions to x4-2x3+kx2+px+36 = 0

  • DragonMaths
  • · Replies 12 ·
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12

What Is the Smallest Good Number for a Subset of Squares?

  • lfdahl
  • · Replies 2 ·
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2

Undergrad What Lobachevski meant by parallel lines

  • nomadreid
  • · Replies 5 ·
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5
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5

Looking for extremely patient somebody for help

  • cactuar
  • · Replies 1 ·
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1

High School What do you enjoy/like about mathematics?

  • ISamson
  • · Replies 12 ·
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12

How far will the car travel in 10 seconds

  • karush
  • · Replies 4 ·
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4