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.
How Many Ways to Deal Two Distinct Pairs in a Four-Card Hand?
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Understanding Complex Numbers: Formulas and Applications
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What are the solutions to the complex polynomial equation ##z^3+3i\bar z=0##?
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Finding the Volume of Cones and Cylinders Using Known Values
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Counting Reflexive and Anti-Symmetric Relations on a Finite Set
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Finding the Missing Side Length of a Composite Shape
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Finding height and volume of a cylinder
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Inequality without factor table
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So the shortest title I can come up with is: Complex Numbers and Real Solutions
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Optimizing Ferris Wheel Height: Solving with Transformed Sine Function
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Ocean Word Problem: Find Equation
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Find Angle of Refraction: Snell's Law Solution
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What are the Max and Min Values for Tide Height?
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Modifying h(t) to Match New Tidal Data
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Adjusting the Model: d = 12 sin (30(t-5)) + 14
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Need help understanding volumes of cones
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Help with solving parametric equation
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Recursive sequence problem, or something similar
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Logic question on finding age of someone
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How Do We Solve These Tricky Number Series Problems?
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How Do You Determine Values of a Periodic Function with Limited Data?
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Quick Trigonometric Identity Question
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How to Solve a Logarithmic Equation on a Given Base?
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Factoring two variable function
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Find the equation of an ellipse
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Geometry Proof: Tips & Theorems to Solve It
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Can Fermat's Little Theorem Help Disprove This Statement?
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Proving Even Integer Coefficients in Quadratic Polynomials - Homework Question
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Why is there a twist in these logarithms?
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Complex Plane - Graphing Powers
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How Does Price Affect Supply and Demand for Wheat?
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Is 3^n Greater Than n^4 for All n>=8?
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What Is the Common Difference in This Arithmetic Progression?
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Why Does This Trigonometric Identity Seem Incorrect?
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Find the Y-Axis in a Coordinate System with Given X and Z-Axis Values
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When Are Two Vectors Orthogonal in Vector Algebra?
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How Do You Rotate and Stretch a Complex Number Vector?
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Proving Vector Dot Products: AC · BP = 0 | Step-by-Step Guide
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One solution, no solution or infinite solutions with k
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Making formulas and graphing them
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Probability coin and die Question
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Linear Equations Homework: Which are Line Equations?
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Disproving a Polynomial with Integer Coefficients: Elementary Math Proof
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Proving 2/5*(2^0.5)-1/7 is Irrational: Elementary Math Proof
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How Do I Solve This Multivariable Algebraic Equation?
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Solution to this trigonometric equation
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How Do You Solve Exponential Equations with Different Bases?
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What Is the Sum of the Maximum and Minimum Values of r Given These Conditions?
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Making realistic scenarios for the given lines
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Calculating the Area of Rectangles: Solving for Unknown Side Lengths
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How Do You Calculate the Total Area of Rectangles and Triangles Combined?
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Solving a polynomial with complex coefficients
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Shouldn't f(t) = V have inverse f^{-1} (V) not f^{-1} (t)?
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Word problems (Deriving an equation from the problem)
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Complex numbers and reflection
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What is the optimality proof of the earliest finish time algorithm?
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Finding the Solution to an Equation: R.S = 1/1+cosx
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Solving for cot2x + sec2x = tan2x + csc2x
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Combination Question with Identical Pieces
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Real Solutions for Real Values: (A,B,C,D)
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Complex Geometry: EQN of Circle, Parabola, Ellipse & Line
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Proof about min spanning tree property
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What is the proof for 2sin2θ - 1 = sin2θ - cos2θ?
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Solving the Equation: (sinθ + cosθ)2 = 1 + 2sinθ cosθ
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Finding the Ordered Pairs for an Exponential Limit
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Quadratic Problem: Find Sum of Roots of 4 Equations
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Doubt about trigonometry Identities from sin α
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Solve Inequalities Problem: x ∈ (-2,-1) ∪ (⅔, -½)
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Writing equations and calculating cost based on a graph
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How to Solve Complex Euclidean Geometry Proofs?
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How many ways can 12 balls be arranged into 4 different rows
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Quadratic with variable buried in sqrt?
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How Do You Solve the Ambiguous Triangle Case in Trigonometry?
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What is the common root for two polynomial equations with a shared coefficient?
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What Are the Variable Restrictions for Jeffrey's Dinner Party Budget Equation?
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What Is the Probability of Drawing a Jack and Then a Heart from a Deck of Cards?
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Mapping a Function: Solving Homework Statement
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Finding sum of roots of trigonometric equation
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Solving an equation with fractional part function
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Simplifying a log expression with identities
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Proving a/b+b/a >= 2 using Mathematical Proof | Homework Help
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Independent/dependent variable and modeling equations
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Creating an equation that models a scenario
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Identifying the slope of a line
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Changing standard form to slope intercept form.
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Proof of Partition Property for Subset A in Universal Set U
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Is n congruent to 1 mod 5 if n is congruent to 6 mod 5?
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Im trying to determine the y and x intercepts of this line.
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Determining the equation of a line
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Finding the Domain of a Trigonometric Function
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Question from trigonometry -- prove that the largest angle is greater than 120°
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Percentages -- having trouble understanding how to take a percentage of a number
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Optimizing U.S. Coin Values for Cashier's Algorithm
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Is it Possible to solve Exponential Equations like these?
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Area of Shaded Region in Elementary Geometry
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Troubleshooting Algebraic Anomaly: Why x = -1 Doesn't Work? | Basic Algebra Tips
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How Do Hadamard Matrices Relate to Identity Matrices?
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Probability question on buckets and balls
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Find the Sum of Roots^16 | x3 - x + 1 = 0 Equation | Homework Solution
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Solving a Complex Equation: x + y + 3 = 2√(x - 1) + 4√(y - 1)
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