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 percentage of students take French at Madison High School?
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Disjunctive Normal form to Combinatorial Circuit
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Sketching a graph that meets given condition
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How to find the inverse of a function
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Counting problems: dancing couples & books and children
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What Is the Probability That Exactly 3 Out of 8 Children Are Girls?
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Limit problem (by definition I think)
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Conditional Probability exercise with dice
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Difference between two statements
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How do I find the area of a Quadrilateral?
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Trigonometric equation sin(x) = C*sin(y)
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Why does this sorting algorithm properly sort the array?
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Linear equations algebra based problem
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Statistics and Maple: Constructing a Team of 4 from 3 Groups"
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Average Speed With Ambiguous Distance/Time
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A permutation and combination problem
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Number of ways that seven toys can be distributed
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Proof of Partition of a Set with Nested Partitions | Set Theory Proof 2
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Induction Proof for 2^n x 2^n Matrix Using L Transformation
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Proving Set Equality: A Simple and Effective Method
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Sine function in equation issue
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Absolute function into piecewise function
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How do I calculate inverse trig functions?
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Finding Angle of Inclination With a Given Slope
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What is the Probability of a Loaded Die?
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Need Help Proving Identities for Q1 and Q2 in Trigonometry
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Finding the focus of a parabola given an equation
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How does one solve these numerically?
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Check Your Solutions for Equations Homework
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Counting problem -- Lining up colored marbles....
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Solving cos(θ)^x+sin(θ)^x=1 for x: How many real solutions exist?
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How Can I Master Complex Counting Problems Involving Multiple Principles?
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How many cats remained after women in West Cornwall lost sacks and cats?
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Geometric Reasoning: Find Angle ABC in Rhombus ABDF
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Infinite series related interest question
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Algebraic Proof for x in a Right Triangle: PS, SR, and RP on a Straight Line
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Proving trigonometric identities in a belt and pulley proble
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Average Investment: Find Total, Lowest & n
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What is the Relationship Between Probabilities of Independent Events?
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Probability Question: At Least One of A, B & C Occurring
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Ideal Straight Line - instrumentation HND
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Angle between two straight lines
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Finding total distance on a position vs time graph
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Problem with length difference through circle
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Is This the Right Way to Determine Statistical Significance in Fourier Spectra?
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Maxima and minima and finding the radius of the circle
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'Mathematically Similar' Question
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All possible planes, given two points
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How to represent this complex number?
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How to go from a*cosx + b*sinx TO A*cos(wt - phi)?
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Matrices and Systems of Linear Equations
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Help with Matrices Homework before Monday
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Finding a & b with Raised Digits
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How do I graph -66/-99 from -12/11 x 10 + 54/11?
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Does the line lie in the plane?
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Infinite solution to system with no free variables?
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Solving Matrix Equations: Inverse of nxn (n=2)
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Find Vector \overrightarrow{B_1B} for Triangle ABC
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Finding perpendicular vector in a skewed coordinate system
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Probability of 3 White, 2 Tan, 1 Pink, 1 Yellow, 2 Green
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Water droplet coalescence - prove S < S1 + S2
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Finding a basis for the range space
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Probability -- traffic lights (1. R=0.4, 2. R=0.5, 2x G=0.2)
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Find the equation of the line by using vectors
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Computing the shape of the Earth as seen by a camera
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Limit Question using first principles
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Find Inverse of Matrix Homework Statement
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Limit Problem: Solving \lim_{x \to 2} \frac{\tan (2 - \sqrt{2x})}{x^2 - 2x}
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Trig Identities: Simplifying Expressions with Cotangent, Secant, and Cosecant
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Hyperbola: define epicenter word problem
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Partial Fractions with Ugly Coefficients
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Master Matrix Multiplication: Solving Size Confusion | Homework Help
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Probability Problem: Choosing White Balls from a Mixed Bag
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Help Solving Equation Involving A Rational Exponential
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Recursive Algorithm, does it look correct
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Relative Velocity of Ball on Moving Board
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Downward parabola: value of p = 1/a?
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Discover the form of real solution set
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Need some help with two Dimensional velocity Vectors
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Probability of Guessing game outcome
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Number of functions such that f(i) not equal to i
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Equivalence Relations in Mathematics: Understanding Transitivity and Symmetry
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Comparing V and SA of a torus vs sphere
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Which functions are missing from {1,2,3} to {a,b} and why?
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Proving a Set: Venn Diagram Method for Homework Statement #1
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Finding equation with zeroes and max value
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Solving -25FCosα + 1.5FSinα= -80 with Trigonometric Identities
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What is the correct 6-bit 2's complement representation of -32?
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Simplifying Radical Expressions
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Given: parallelogram and right angle; Prove: parallelogram
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Determine the Set of Points at Which the Function is Continu
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Ax+by=c is a straight line. When b=0 then it is // to y-axis
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Contour map of the function showing several level curves
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Finding Value of a & b for Limit Existence
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Induction Proof Help: Understanding Equations for Homework | Prof. Note's Tips
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Mathematical Modeling: Regression
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Find and Sketch the Domain of a Function
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Proving a parallelogram is a rhombus, given an Isosceles triangle
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Expand powers of binomial expressions
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Finding centre of (moving) circle
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