Precalculus Mathematics Homework Help Forum

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