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.
What Alternatives Exist for Fitting Models to Erratic Data in Excel?
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Write the trigonometric expression as an algebraic expression
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Soling an inequality using Algebraic method
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How many ways can 6 items be arranged in 4 boxes with restrictions?
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More Schwarz inequality proofery
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Few Trigonometric Functions that I can’t solve involving identities? helpp
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Coin Tossing Help: Probabilities for Tossing 1 Tail
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What Values Make f(23,x) Equal to f(33,x) for 100<x<200 Degrees?
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How to create a hard graph easily?
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Weirdness of polynomial long division algorithm
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Functions: Input of a function is another function.
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Solving a Cubic Equation: How to Find the Real Root
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Trigonometric equations with sin and cot
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Tricky Factoring Questin (X^4 + 4)
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Completely Factor 32x^5 + 243y^5 Using Synthetic Division | Step-by-Step Guide
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Find Term with Power in Binomial Expansion: x^81y^30
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The Volume Of A Layer Of Lead Of Uniform Thickness(word problem)
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Matrix Linear Systems Equation
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Geometry: Planes, x+y+z=0 - How Does It Work?
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How can I find all possible angles for a given sine value?
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Algebra II Simplifying Rational Algebraic Expressions
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Free body diagram problem assistance
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Finding Symmetric and Skew-Symmetric Matrixes B and C for A=B+C
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How Can an Expression Like ax^2 + b/x^2 + c Be a Perfect Square?
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Understanding Discrete Math for the Confused
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Show that 8sinx + 15cosx <= 17
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Solving Vector Addition with Wind and Velocity
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Explanation for Simultaneous Equations Solution
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Is this a correct way to rewrite the binomial theorem?
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Extra Sum of Squares [Statistics]
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Proof that LHS coefficients have to = RHS coefficients
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Find Matrix A for 2x2 Homework Equations
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Finding the solution of three planes
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How do you solve for secant with given cotangent and cosecant?
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Difference between multiple normal populations
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What is the path of the point (x,y) as the painting falls?
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Finding The Equation of an Ellipse
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How to Solve a Quadratic Inequality with Two Variables?
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(sinθ/(1-cotθ)) + (cosθ/(1-tanθ)) = cosθ + sinθ
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Finding the lengths of the sides using a given angle
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(sec(x)+1)/tan(x) = (sin(x))/(1-cos(x))
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Identities sin, cos, tan etc. stuff
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Closed Under Scalar Multiplication: Subspace Question Vector Space V = Rn
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Combinations-different way to form groups of people
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Geometry Intersections Problem
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Finding transformations and base function of quadratic equation.
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What is the Overlapping Range of Two Radio Transmitters?
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Why doesn't partial fractions work in this case?
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High school Normal distribution two questions
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Zakon Vol 1, Ch2, Sec-6, Prob-19 : Cardinality of union of 2 sets
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Find the values of m such that the line does not touch the parabola
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Polynomial functions and calculating dimensions
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Determine the factor of a polynomial equation including piecewise functions
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How to determine period of sinx
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Solving Probability Problem: Red Cube 6 & Sum of Cubes 10
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Simple Number Theory Proof, Again
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Factoring 16z^2 - 9x^2 - 12xy - 4y^2
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Elem lin algebra (Vector space question)
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Focus of parabola, checking my answer.
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A question about restrictions of inverse functions
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Sample mean variance and division by (n-1)
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Complicated trigonometric equation
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Please check my proof; how many functions exist from X to Y?
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Preparing for Math Competitions: Recommended Books and Tips
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Inequality how does this make sense?
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Derivation of a formula with trigonometric functions
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How can I get a function relation with these two sets?
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Finding Apogee and Perigee of Moon's Elliptical Orbit
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Word problem involving function expression
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Permutation and combination problem with coins
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How Do You Solve the Cubic Equation x^3 - 10x + 18 = 0?
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Discovering the Length of a Triangle in Thales' Time
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What is the Probability of a Delayed Flight Given Luggage Arrived in Vancouver?
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Probability of 2 equivalent random selections from integer sets
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Calculate Height of Triangle: Pythagoras Formula & Ratio
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Proof using the binomial theorem
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Cumulative distribution function
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How Do a Dog and Man Walking at Different Speeds Meet Along a 1km Path?
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Bio-statistics, Poisson distribution
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Find a statement S, based on P, Q, and R, that is represented by the truth table
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Find an expression for the sum of the series
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How Do You Solve sqrt(3) sec x = -2 for x in Radians?
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Greatest Moduli Complex Number Solution of Equation
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Prove 3 Consecutive Days of 60+ Hours of Modem Use w/ Pigeonhole Principle
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Geometry problem: How to show that the ray is well-defined?
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Rotation of axes to Eliminate the xy-term in a quadratic equation
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Approximate Distribution of Y-X | P(Y-X>13) | Binomial & Normal Distributions
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How do I graph y = 2 - sin(3x - ∏/5) without a calculator?
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Why Subtract Non-Cleaning Area in Windshield Wiper Sector Calculations?
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Geometry - Can a trapezoid ever be a kite, and vice versa?
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How to Calculate Phone Battery Usage?
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Should be an easy but conceptual problem
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Cubic equation with two unknown coefficients
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Largest x for which an equation is true
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Finding your annuity, Finding your reverse annuity
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Find min, max of an unfamiliar function
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Trigonometry homework problems
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Solved: Calculator Issues? Annuity Value at 6 Years w/ 6.8% Compounded Annually
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Trig Identities: Solving for (3/5)cos2x + (3/5)sin2x
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Further Premutation / Combination problem
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