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.
Optimization Problem Homework Solution
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What is the solution for log equations with a base of 4 and a difference of 3?
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Solving Exponent Laws: 2^3 / 2^0 - 2^-1 Question on Homework
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Using Ptolemy's Theorem to prove simple (yet unique) cases?
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Solve for x: 5^2x - 16^x + 3 = 0
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Question about rewriting an expression with radicals
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2log(x-1) + logx = logx + log4
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Proving the Evenness of {^{2n}}C_n: A Combinatorics Challenge
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Solving for the Inverse Function of a Quadratic Equation
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Problem with expected value (Random Walk)
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Inequality Problems: Struggling with Answers?
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How to solve a Non-Square Matrix Equation?
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Expressing a decimal number in radians in terms of pi in a fraction
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Determinants from any row or column
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Find two solutions for Cosine theta = 1/2 for
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Partial fraction decomposition for .
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What is the solution to this parabola word problem?
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Solving Normal Distribution Homework: Qn, TNE, u, SD, NS
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What Are the Chances of Water Rationing Over a Decade in Southland?
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Identifying Triogonometric Identities - ?
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Finding the absolute value (modulus) and solving equation
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Calculate the confidence interval (Statistics problem)
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Find the X and Y point in the graph
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Expectation of a random variable
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Early repayment of a loan compounded daily
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Calculate the standard deviance (statistics)
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Converting Sigma Notation: Simplifying Binomial Theorem
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Please, help me understand how these interval problems are solved
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Geometry with polygons formed within drawn stars
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Match the inequalities with the corresponding statements.
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Having Trouble: Solving a Trigonometric Equation using Identities ?
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Finding the concentration of X
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Set Theory Symbols: Is A ∩ C ⊆ B Equal?
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How Many Local Maxima Does F(x) = (sin(Nx)^2)/(sin(x)^2) Have?
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Word Problem: Finding a Number with -5 and 2 in the Equation
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Proof concerning infinite sets
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Phase shift and sinusoidal curve fitting - Finding .
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Simplify Homework: Solving for i in a Complex Equation
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Is Matrix Multiplication Commutative?
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Mathematical induction and arithmetic progression
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Probability distribution, find constant
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Absolute Value with Quadratic: What Are the Solutions to |x^2 + 6x + 16| < 8?
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Pythagorean Identities - finding sin and cos ?
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Need help forgot how to do trig question
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Im stuck Question a bout graphing sin and plotting points
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What is the remainder when 4101 is divided by 101?
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Question about when calculating the combined vector
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Calculate Crane Height from Angle Measurement
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Complex analysis and complex plane
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Solving a Double Quadratic Equation: Finding n+m
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Precal, Inequalities involving absolute value
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Prove that 2n ≤ 2^n by induction.
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Discover the Magic of Cubic Splines
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Trig Question: Exact value of
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Calculating Perimeter: Circle Sidewalk with a Radius of 220m and Width of 30m
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Exam problem : solve exponential withh log? This one is killin me
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Solving the missing data for this Traverse
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Find zeros of quadratic equation
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What is the solution to (sinx)*(lnx)= 0 over [0, 2pi]?
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Evaluating piecewise functions. Please help if you can.
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How Do Vectors Solve Real-World Problems?
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Finding the dimensions of a rotated rectangle inside another rectangle.
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Understanding Solutions to Quadratic Inequalities
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Help can you please explain this to me thanks (it is all about vector )
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Quadratic inequality-interval notation
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Can someone double check my work in this problem?
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Trigonometry, find the minimum of tan(a).tan(b).tan(c)
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Reproduce a solution set to a linear system with 2 equations and 8 variables
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What is the name of this shape with unequal sides?
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What Is the Significance of the Number 495 in Digit Rearrangement?
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If xy^2 = ab^2 : Does xy = ab?
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Need help with determing domains of sin, cos, and tan
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The probability that a new drug will cure a skin rash is 0.82.
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How do I write this interesting piecewise function?
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Solving Confusing Limits Homework
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FInding domains of ln problems
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Graphical and numerical solutions of equation
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Kinematics problem, ball drop.
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Trig proof with two angles and many functions
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How Do You Calculate cos(a-b) from Given Sine and Cosine Values?
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Two trigometric functions intersect point
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Solve for y in 16y2 -24xy -300y +x2 + 400x = 0
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Basic Calculus: Solving for x in sinx(lnx)=0 over [0, 2pi]
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Graphing Polynomial Functions: Finding x-Intercepts
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Why do sine and cosine have different x intercept patterns?
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Counting Surjective Maps from a Finite Set to Itself
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Solving sin(x)/sin(x+215) = ab/cd
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Discover the Cosine and Tangent Demonstration for cos(x)² = 1/1+tan(x)²
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Proving Trig Equation: cosx + cos3x +cos5x = sin6x/2sinx
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Show that x is a square expression
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Two unknowns in trigonometric calculation?
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Help proving trigonometric identity
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Showing stability under scaling and additivity of distriubtions
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Finding the Smallest n for Real z^n in Complex Numbers
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Help With Radians Conversions (sort of)
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How do I get from #2 to #3 in this trigonometry identity problem?
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Graphing Sin Functions with Phase Shift and Vertical Shift | Period of 6π
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Equality of functions and mods
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Solving 3 variables - simultaneous equations
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Triangle's elementary geometry problem
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