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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Solving the Cistern Filling Problem in 19 Hours
- 1/2"
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Have I done the quadratic equation correctly?
- Gringo123
- · Replies 1 ·
Quadratic Formula: Finding Solutions for a Quadratic Equation
- stevecallaway
- · Replies 2 ·
Help with Implicit Formula HW: 3, 9, 81, 65...
- Master7731
- · Replies 6 ·
Derivatives: Checking your work, how?
- winowmak3r
- · Replies 5 ·
Set theory - expression describing subset
- tsrgb
- · Replies 1 ·
Solve Log Problem: n^6 = log_2n(1944) = log_n(486√2)
- Hockeystar
- · Replies 1 ·
Probability of Prevesh Paying Three Days in a Row: Coin Toss Lunch Break
- Amy-Lee
- · Replies 3 ·
How to Prove a Trigonometric Identity
- chenny1
- · Replies 3 ·
How to write another expression (for n) when given a series sum?
- shocklightnin
- · Replies 3 ·
Applications of math - Root finding
- Toby_Obie
- · Replies 5 ·
Graphing Techniques Homework Help for College Algebra Test
- sydneyfranke
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How to solve for x and y with Lagrange functions?
- nikk834
- · Replies 9 ·
Bayesian Inference: Prob of Dry Pavement Outside House
- zli034
- · Replies 6 ·
Rearranging Formula: Make e the Subject | 10b + 5be - 3e + 7c
- Gringo123
- · Replies 3 ·
Proving Linear Algebra: AB=BA for All B(2x2), A=àI for All à € Real Number
- annoymage
- · Replies 3 ·
Probability of Light Bulb Lifespan: Normal Distribution with Mean 400 Days
- recoil33
- · Replies 2 ·
Given a general probability, determining the probability in a set
- peterwilc
- · Replies 1 ·
How Can I Solve for Tau in These Two Equations?
- Mugged
- · Replies 4 ·
Solve Equation: 4x - 1/3 - 2x + 7/6 = 5/2
- Gringo123
- · Replies 1 ·
Roots and coeffecients of polynomial equations
- olee
- · Replies 15 ·
Solve for Y: Linear Equation 8y - 31 = 13 - 3y | Correct Answer Y = 8.8
- Gringo123
- · Replies 7 ·
How Do You Solve z^3 = sqrt(3) - i Using De Moivre's Theorem?
- Matty R
- · Replies 6 ·
Solving PreCalc Questions: Homework Statement & Example
- GreenPrint
- · Replies 3 ·
Probability question on permits
- BrownianMan
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Det(A) = det(AT) = det(−A) = (−1)^n*det(A). Hence det(A) = 0 when n is odd Why?
- RossH
- · Replies 3 ·
Trigonometric Identities Section
- Paomaui
- · Replies 1 ·
Proof by Induction: Showing AnAm = An+m
- annoymage
- · Replies 5 ·
Geometric interpretation and vector problem
- icystrike
- · Replies 2 ·
Simplest way to approximate sqrt of complex numbers
- jkg0
- · Replies 2 ·
Gaussian Elimination: Translating text into equations
- Matty R
- · Replies 3 ·
Expanding brackets with fractions
- Gringo123
- · Replies 8 ·
Revisiting the Value of (2+5)2: 9 or 49?
- Gringo123
- · Replies 7 ·
Binomial Distribution: Calc Prob of 0, 1, 2 Defectives & Cost Estimate
- markhboi
- · Replies 4 ·
Help with proving a trigonometric identity
- kenshaw93
- · Replies 4 ·
Make F the sunject of the formula
- Gringo123
- · Replies 2 ·
Chebyshev's Theorem: Analyzing Investment Portfolio Risk
- cyod22
- · Replies 2 ·
Solving Hospital Room Charges: k1, k2, and Cost per Day
- santhean
- · Replies 2 ·
Smallest N Value for 4-Digit Consecutive Integers Divisible by 2010^2
- Hockeystar
- · Replies 6 ·
Simplify Exponents and Confirm with Wolfram Alpha: (54-3y)3 * (5y-2)2 Solution
- DaleSwanson
- · Replies 3 ·
Excel/MINITAB graphing - scaling the x axis
- sunfleck
- · Replies 2 ·
What is the Vector Equation of Planes?
- icystrike
- · Replies 2 ·
Properties of integers:math induction
- VanKwisH
- · Replies 6 ·
The physical meaning of the PDE?
- thepioneerm
- · Replies 6 ·
Can complex numbers be used to show a pattern in exponents?
- icystrike
- · Replies 13 ·
Expanding Brackets: Find Out Where You Went Wrong
- Gringo123
- · Replies 5 ·
How many more students are needed to raise the average SAT score to 84?
- The_Journey
- · Replies 7 ·
Would this have been marked correct?
- Gringo123
- · Replies 4 ·
How Can a Company Optimize Production of Desks and Bookcases for Maximum Profit?
- incoherent
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How to Write Powers in Text Format on Websites?
- Gringo123
- · Replies 10 ·
Help Solving Equation: 0,5m^4/5 = 2u^1/5
- storoi1990
- · Replies 7 ·
How Do You Solve This Complex Trigonometry Homework Problem?
- Hockeystar
- · Replies 33 ·
Drawing an Argand Diagram: 2 Homework Statement
- icystrike
- · Replies 5 ·
Ln Simplification: Physics Lab w/ Calorimetry Uncertainties
- CINA
- · Replies 7 ·
What is the correct answer for 3r - 3p + 5q if p = 4, q = -2, r = 3, and s = -5?
- Gringo123
- · Replies 2 ·
Square Root Problem: Equal Expressions?
- storoi1990
- · Replies 12 ·
Understanding Integer Permutations: X Natural Positions Explained
- annoymage
- · Replies 7 ·
Imaginary number -i raised to negative power
- CE Trainee
- · Replies 3 ·
Counting Balls in Boxes: Finding Solutions with Upper-Bound on Number of Balls
- noblerare
- · Replies 4 ·
Question concerning defining the general equation of a conic from 5-points
- CyJackX
- · Replies 1 ·
Probability Question (Random Variables and CDF)
- swuster
- · Replies 1 ·
What Is the Probability Ralph Uses an Umbrella If Laura Does Not?
- confusedonpro
- · Replies 2 ·
Rotating Coordinates by 45 Degrees: A Formula for Graphing Help
- tuanle007
- · Replies 7 ·
Solving Math Formulaes: X/5 to X-5 with Lagranges Equation
- storoi1990
- · Replies 2 ·
Estimate amount of possums in the park
- recoil33
- · Replies 2 ·
Expected Sequences in a Random Events
- AliDimayev
- · Replies 2 ·
Constructing an Argand Diagram - My First Attempt
- icystrike
- · Replies 2 ·
Linear Algebra - Eigenvector question
- zeion
- · Replies 5 ·
Do These Vector Lines Intersect or Are They Skew?
- lemon
- · Replies 4 ·
Probability Question: 4 layers, 4 flavours
- dacruick
- · Replies 7 ·
What are these +2's and +3's used for in solving first-degree equations?
- Tregg Smith
- · Replies 1 ·
Find x: Solving Equations for x in y=2/x and y=e^(x-4)
- TyErd
- · Replies 1 ·
Solve Math Problem: Simplify \sin\theta\sec\theta+\cos\theta\csc\theta
- PanTh3R
- · Replies 9 ·
Fourth Roots & Solutions of Complex # -1+$\sqrt{3}$i
- icystrike
- · Replies 5 ·
Solving a Complex Equation: Express as e^(iθ)
- icystrike
- · Replies 12 ·
Linerization of square root of sin(2x)
- songoku
- · Replies 3 ·
Normal distribution head-scratcher
- Mglafas
- · Replies 3 ·
Piecewise function of the following function given
- francis21
- · Replies 1 ·
Linear algebra:Prove that the only invertible nxn idempotent matrix is I
- RossH
- · Replies 4 ·
Finding the Number of Lines from A to B in a 4x7 Rectangle
- mocogi
- · Replies 1 ·
What is a Suitable Transformation for a Double Integral on a Parallelogram?
- vintwc
- · Replies 1 ·
How to Properly Enter Data for 3D Charting?
- rmichaels
- · Replies 4 ·
Permutations with Standard Form Equations: Solving for n
- Zinger
- · Replies 7 ·
How to Prove the Even Permutations in Sn Form a Group?
- dundalkhead
- · Replies 1 ·
Verify Identity: cos(x)-[cos(x)/1-tan(x)] = [(sin(x)cos(x)]/[sin(x)-cos(x)]
- PanTh3R
- · Replies 7 ·
Making a piecewise function continuous
- meaganjulie
- · Replies 5 ·
Explicit Formula for Sum of Series
- Andy111
- · Replies 13 ·
Help with finding least upper bounds and greatest lower bounds?
- mgnymph
- · Replies 1 ·
How Do You Calculate the Volume of a Diagonally Cut Half-Cylinder?
- BishopUser
- · Replies 2 ·
Solving Fraction Problems: Unitary Method
- 1/2"
- · Replies 3 ·
Graph analysis - how closely histogram fits poisson curve
- Platypus26
- · Replies 1 ·
Graphing Function f(x)= (x-1)^3(x+1)^2(x+3): X and Y Intercepts & Helpful Tips
- 1irishman
- · Replies 4 ·
Extracting the question (D.E.)
- annoymage
- · Replies 2 ·
How Can I Factorise Equations with 2 Brackets?
- Gringo123
- · Replies 11 ·
Probability of Correctly Predicting 6 Numbers from 45
- Sirsh
- · Replies 5 ·
Linear Algebra - Characteristic polynomials and similar matrices question
- zeion
- · Replies 7 ·
Converting Mixed Numbers to Improper Fractions
- storoi1990
- · Replies 3 ·
Calculating Compound Interest: January 2010 Cash Balance Analysis
- Astro
- · Replies 4 ·
How Do You Find the Argument of the Sum of Two Complex Numbers?
- Mentallic
- · Replies 3 ·
Can someone correct my questions and help me please.
- 54088
- · Replies 4 ·