Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.
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Proving sum of cubes formula by induction with simpler algebra
- iainfs
- · Replies 5 ·
What is the proof for sin(45+x).sin(45-x) = \frac{1}{2}cos2x?
- DERRAN
- · Replies 3 ·
Can the set of x be found for -1 ≤ 1/(1+cosx) ≤ 1?
- IsrTor
- · Replies 2 ·
How to solve a complex equation using quadratic formula
- username12345
- · Replies 3 ·
Law of Sines and alternate interior angles?
- benign.psycho
- · Replies 1 ·
When differentiating x² with respect to time, must I differentiate ẋ?
- Niles
- · Replies 7 ·
How do i solve this trig question? identities etc?
- Dell
- · Replies 6 ·
Set- i do not understand the question
- icystrike
- · Replies 5 ·
Ratio of surface areas and volumes for two spheres with different diameters
- Paradiselovek
- · Replies 1 ·
What is the Limit of the Half Bracket Operator?
- icosane
- · Replies 3 ·
Expected value of Poisson and normal distributions
- ongfufu
- · Replies 3 ·
Solving for r when λ < r³/(r+1) with r > 0
- azdang
- · Replies 2 ·
How Do You Solve Trigonometric Equations Involving Cosine and Sine?
- andrelutz001
- · Replies 3 ·
Why isn't the change of base rule working for log₂ x + log₄ x = 2?
- tweety1234
- · Replies 8 ·
Distance between two helicopters and interception time
- physicsneek
- · Replies 3 ·
If h(x) and g(x) are inverse functions, what are g[h(3)] and h[g(3)]?
- lilbite
- · Replies 9 ·
Sum and product of roots in biquadratic equations
- Noiro
- · Replies 2 ·
Simplify 1/4ln(x+2) + 1/3ln(x+3)
- cragar
- · Replies 3 ·
Mean Deviation Calculation for Chemistry Lab
- synergix
- · Replies 2 ·
How Can You Express Fibonacci Terms f_{n+1} and f_{n} Using f_{n+2} and f_{n+3}?
- morbello
- · Replies 1 ·
Finding the Values of (Theta): Solving cos2theta = 1/4
- ibysaiyan
- · Replies 1 ·
Composition of Functions (check me)
- Lynne
- · Replies 1 ·
Finding vertical asymptotes for (x-1)/(1-x²)
- TrueStar
- · Replies 6 ·
Percentage of data values between 215 and 305 using Chebyshev's theorem
- anita010963
- · Replies 2 ·
Constructing an isomorphism between two 25-element groups
- adkinsc
- · Replies 8 ·
Constructing a Rational Function with Given Asymptotes and Intercepts
- TrueStar
- · Replies 2 ·
Proof by Induction: Proving the Sum of Squares Identity
- fluppocinonys
- · Replies 6 ·
Finding Extreme Values of a Function in a Given Interval
- Ofey
- · Replies 2 ·
Doing some how many combinations calculation
- Compaq
- · Replies 4 ·
Solving 4x for sin^-1(1) between -pi and pi
- spynjr
- · Replies 2 ·
Understanding Complex Numbers and Their Proof: A Step-by-Step Explanation
- Perillux
- · Replies 2 ·
Statistics Confidence Intervals
- sjooff111
- · Replies 1 ·
Solving 3^(2x) - 36·3^x = -243 and 5(x+2)² = 80
- juliany
- · Replies 1 ·
How does data transformation affect regression slope?
- steven10137
- · Replies 3 ·
Quick simple indentity explanation needed
- amd123
- · Replies 2 ·
Finding the Minimum Value of AC in a Triangle with Given Side Lengths
- tweety1234
- · Replies 6 ·
How Do You Solve Trigonometric Equations for Specific Angle Measures?
- Oscar Wilde
- · Replies 5 ·
Solving Fiber Optics Glass Characteristic Equations with Maple
- windsupernova
- · Replies 3 ·
Solve the Simple Equation: 1/d^2 = 1/(81m^2) + 1/(25m^2) in Just a Few Steps!
- superwolf
- · Replies 2 ·
Formula for this combination problem
- rhonkie
- · Replies 2 ·
What is the Pattern for Determinants of Matrices Raised to Increasing Powers?
- agary12
- · Replies 16 ·
What does 'write A as a product of 4 elementary matrices' mean?
- LaraCroft
- · Replies 2 ·
I hope this helps :)What is the expression for the matrix M^n in terms of n?
- agary12
- · Replies 14 ·
How Can MATLAB Implement the Leapfrog Method for Satellite Motion Simulation?
- ernal
- · Replies 1 ·
Trouble with Inequalities problem
- crays
- · Replies 2 ·
Can (1+4t+4t^2)^(1/2) * (1+4t+4t^2)^(3/2) Be Simplified to (1+4t+4t^2)^2?
- afcwestwarrior
- · Replies 1 ·
Is the Empty Set Open or Closed in Topology?
- soopo
- · Replies 11 ·
System of equations 4 variable
- synergix
- · Replies 5 ·
Finding terms from arithmetic series formula 1/2(3-n)
- kwuk
- · Replies 1 ·
Finding the Intersection of Sets X and Y with Algebraic Methods
- yorick
- · Replies 3 ·
Some proofs involving greatest common divisors
- Andrusko
- · Replies 1 ·
Proving (csc x + cot x)/(tan x + sin x)=cot x*csc x with SOHCAHTOA
- wes28
- · Replies 2 ·
Point of intersection for sine and cosine functions
- reedy
- · Replies 10 ·
Finding the equations of a graph
- Missionz12
- · Replies 3 ·
Differet Types of Mathematical Arguments and Proofs
- soopo
- · Replies 3 ·
Find the equation of the polynomial
- Noir
- · Replies 1 ·
Where can I find a complete logarithmic formulas worksheet or tutorial?
- MrAnderson
- · Replies 2 ·
Probability of bridge collapsing
- Sportsman4920
- · Replies 2 ·
What's the PDF of a Unit Sphere Projection on the X-Axis?
- Micle
- · Replies 3 ·
Solve Natural Logarithms ln(x+1)+ln(x+3) < ln(x+7)
- Compaq
- · Replies 8 ·
Slope of line based on one point and area of triangle
- snailshell
- · Replies 2 ·
How to solve sqrt(25) + sqrt(30)?
- Stratosphere
- · Replies 7 ·
Simplifying a nested complex fraction with repeated structure
- Raizy
- · Replies 12 ·
Sketching Absolute value graphs
- w0lfed
- · Replies 5 ·
Maintaining Volume in a Cylinder: Solving for the Necessary Radius Adjustment
- Paradiselovek
- · Replies 2 ·
Using Induction to Prove 2^n >= n+1 for Natural Numbers
- roam
- · Replies 4 ·
Equation of Perpendicular Bisector
- TbbZz
- · Replies 4 ·
1.5 hours wasted on this Complex Fraction; Darn these -1's for (1-b)'s
- Raizy
- · Replies 4 ·
Counterexample to (u + v)² ≠ u² + v²
- relyt
- · Replies 12 ·
Find the inverse of the function
- HOFBrINCl
- · Replies 7 ·
Polynomial Roots and Synthetic Division
- shemer77
- · Replies 8 ·
Why Is My Algebraic Solution Incorrect?
- tinkus
- · Replies 4 ·
Finding maximum rate of change in vehicle tunnel traffic model
- chrisyuen
- · Replies 2 ·
Finding a quartic function from sign conditions and zeros
- Alana456
- · Replies 2 ·
Solving Equations: 2 Equations, 1 Unknown Variable
- khatche4
- · Replies 2 ·
Verifying four trigonometric identities
- amd123
- · Replies 5 ·
Rewriting expression of logarithm
- nlsed
- · Replies 3 ·
Solving for x in y = (x+4)/(x+3): Is it Possible?
- JKaufinger
- · Replies 2 ·
Binomial Distribution Probability Problem
- mkir
- · Replies 5 ·
How to Solve Trigonometric Word Problems Correctly?
- amd123
- · Replies 5 ·
Calculating Work Done on a Box Being Pulled up a Ramp
- unknown101
- · Replies 3 ·
Prove Invertibility of I+A When A^k=0
- kidsmoker
- · Replies 5 ·
Testing series for convergence
- DorianG
- · Replies 2 ·
Prove the SAS Triangle Similarity Theorem from Trigonometry
- Lazerlike42
- · Replies 2 ·
Solving inequalities and equations with absolute values
- w0lfed
- · Replies 4 ·
Solving Radical Equations: Multiplying and Simplifying Roots
- Stratosphere
- · Replies 3 ·
Equivalence Problem: Is A and B Equivalent?
- soopo
- · Replies 6 ·
Heine-Porel from Bolzano-Weierstrass
- soopo
- · Replies 3 ·
Why Do Some Solutions Satisfy One Equation But Not the System?
- Niles
- · Replies 2 ·
Is a Cauchy Sequence Always Convergent?
- soopo
- · Replies 5 ·
Calculating Mean and Standard Deviation for a Biased Die Rolled 2000 Times
- matadorqk
- · Replies 1 ·
Proof of a simple logic statement
- soopo
- · Replies 3 ·
Proof of the incenter formula in 3D coordinates
- ritwik06
- · Replies 3 ·
Statistics(moment generating function)
- thandu3
- · Replies 5 ·
Creating a Rule for A^n Matrix Power
- ronicencen
- · Replies 6 ·
Forget No More: How to Find a Turning Point in a Quadratic Graph
- Michael17
- · Replies 3 ·
I with a Complex Rational Expression
- Charlie123
- · Replies 7 ·
Completing Square and quadratics
- physics2
- · Replies 3 ·
Proving the Half-Angle Formula for Tangent Using Trigonometric Identities
- xonicole
- · Replies 3 ·
No Solution for 3x+2y=7 in Real Numbers
- relyt
- · Replies 2 ·