General Math Forum

Is this triangle an isosceles triangle?

How Many Tables Are Available at a Restaurant?

Undergrad Math used in Physics versus other sciences

High School Explanation of what a parameter is

Undergrad What does this math symbol mean? R^4 |X SL(2,C)

What Is the Value of $\tan^2 a + 2\tan^2 b$ Given the Trigonometric Condition?

Prove f(1) = f(3) = f(9) = f(27) = f(81) = 0 given f(3x) = f(3) + f(x)

H(x) = 3x2 - kx nd h(4) = h(-2) , then find vaue of k

Undergrad What is the reason for sudden change in pattern in The Borwein Integral?

If g(x) =(kx-p)/(2) , g(7) = 8 , g(5) = 5 then find the value of x and g(x)

Find the domain of the function .

Calculating Mine Proposal: Silver, Copper, and Gangue Production and Profits

Proving (1 - cos A)/(1 + cos A) = (cot A - csc A)²

High School What is a Linear Relationship?

What is the Weighted Average Cost?

Statics for rod attached to string

Finding the final distance for the compressing in a spring system

Why is the root -1 and not 1 in synthetic division?

What is the Net Profit and Cash Flow of Johns Inc. for the Year?

How to Simplify Fractions with Brackets

Redistributing Percentages: How to Anchor 0 to 10% and Maintain a Total of 100%

Undergrad What are the definitions of Jacobi Elliptic Functions?

Is There an Easier Method to Prove $n^2>n$ for Negative Integers?

Using the idea of conservation of energy

High School The largest number, does it end in 0 or 9?

Finding loan lengths when two loans have equal interest

Cryptography: RSA Message decryption

What is Peter's current age in this age problem?

Insights Further Sums Found Through Fourier Series - Comments

Guidelines for posting problems and puzzles

Undergrad Reverse a String in C - Solve Segmentation Fault

Evaluate ∠APR if ∠APQ=3∠APR and ∠PAQ=45°

High School Is mathematics a discovery or an invention?

High School Why does arctan(-3) give different values on calculator vs textbook?

Prove ∠A≤60° if (1/sinB+1/sinC)(−sinA+sinB+sinC)=2

Arithmetic Sequence Confusion // a{n-1} and a{n+1}

Conversion KWH of energy per day to Joules in a year

High School Examples of Non-Algorithmic Math in Penrose's Book?

Undergrad How do I factorise polynomials using a new method?

High School Index numbers vs. Quantity in a group

How Are Tangents to a Circle Found and Their Intersection Point Determined?

Powers function n^5+n^4=(n^5−n^3)(n−1)−(n−2)

Three Consecutive Odd Integers

What is the joy of lifelong learning in math?

Convert blueprint measurements to usable feet and inches.

Reaction between mgso4 +k2co3?

Undergrad Intersecting Planes: Is It Possible?

High School Trigonometry Identity Question

Proving an Infinite Number of Integer Points on a Level Surface

Find The Distance And Speed By Using The Work And Energy Theorem

Why Does Cyclohexane Float on Water When Its Molecular Mass is Higher?

High School Does finitism reject that 0.999... equals 1?

Undergrad What kinds of hobbies could I do with that involve math?

Evaluating $(-1)^k {3n \choose k}$ Sums

Undergrad Should I get a new graphing calculator?

Undergrad Question about Euclid's parallel postulate (5th postulate).

Solve Polynomial Scale: Find a,b,c,d

High School What are some real world example of these equations?

Undergrad Two square scale meeting point, when one is moved odd

Undergrad What is the Binomial Theorem and How is it Proven?

Graduate Newton's Generalized Binomial Theorem

High School Why Does This Number Pattern Always Result in 6?

What are the tensions in the strings of an accelerating elevator?

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TikZ Challenge 1 - Geometrical Diagram - Votes

Simple Law of Cosines Question

High School Simplifying nested trigonometric equations with θ and d

What are the Variables Needed to Solve a Pulley System Problem?

Smallest Number Divisible by 99 Using Digits 1-9

Find n such that both n+3 and n^2+3 are perfect cubes

Undergrad Best equations to analyze using Big O

Undergrad Why use i to represent y vector ?

How Can a Third Grader Identify Marks on a Number Line?

Simplify sin(A) + sin(A + 2π/3) + sin(A + 4π/3)

Undergrad Where has this proof gone wrong? ∞= 1/0

Finding the force on an inclined plane

Undergrad Prove that only one straight line passes through two point

Questions about proof about primality testing

Counting Squares Challenge: Proving Formula and Evaluating Sum

How Many Numbers Less Than 1000 Divisible by 5 Are Formed Using Unique Digits?

High School How do I calculate the Impact Force of an object?

High School Why is the product of two negative numbers positive?

Undergrad What is the solution to the Binary puzzle in World of Warcraft?

Which Prime Numbers Make p^2 + 1007 Have Less Than 7 Divisors?

Why does n² + n³ = n⁴ - n²(n-1)?

High School What is the reality of the scalar product?

Can X^3 Equal sqrt{81} with MathMagic Lite?

Polynomial in n variables: Prove the identity

High School How to solve log(x)+2x=2 for x?

Proving Identity: $\sin^8A-\cos^8A$

Why isn't the titration answer multiplied by 10 for 100 cm³ sample?

Undergrad Use of irrational numbers for coordinate system

High School Quadratic Equation with three variables

High School Conical Representation of Sphere

High School Hypothetical 3 Dimensional Coordinates

High School Can you solve this geometry problem for nine year olds?

Prove Identity: $\frac{\cos A - \sin A}{\cos A + \sin A}$

What is the identity being proved?

Can You Solve These Pythagorean Quadruples?

(3+√a)^(1/3)+(3-√a)^(1/3) is an integer, find a