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.
Show matrix is invertible. THanks
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Is x=2 the correct answer for the inverse of f(x) = 6/(2x+3)?
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What is Manipulating Trig Identities to Solve for a Numerical Value?
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Probability of Picking an Ace from 47 Cards
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How can I solve a quadratic equation with a simple homework statement?
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Can we ever construct a perfect circle? (Curiousity)
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How Is the Growth Constant Derived in Exponential Population Models?
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Graph of y=x^(1/3) and y= -2x^(1/2)
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Lim t approaches 9 9-t/3-sqrt of t
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Why Am I Getting Incorrect Solutions for My Quadratic Equation?
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Proving a Tangential Trig Identity
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Expanding and Simplifying Two Sets of Double Brackets (most likely really easy)
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Find the radius of the middle circle
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Probability of drawing two married couples
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How Do You Solve for t in a Cubic Parametric Equation?
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What is the determinant of a matrix with a variable?
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Need a little help with this ratio question
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Proving Root n is Irrational: Perfect Square Affects Proof
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Partial Fraction Decomposition
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Math Sequence: Help with Solving Number Sequences
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How to find values of a variable of a plane
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Why Are Negative Values Excluded in the Range of These Square Root Functions?
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How Many Coin Tosses Until 50 People All Get Heads?
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Tips for Expressing 8 cos^2 x -6 sin x cos x +2 in rcos(2x+α)+s Form
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Proof involving invertible modulo and congruence modulo
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What Are the Key Insights of the Binomial Series Homework Statement?
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Quadratic equation with complex coefficients
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Can Negative Direct Variation be Considered Direct Variation?
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Locus of Mid Point: X-Axis Cut Points
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Finding parabola equation and only given a graph
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Probability of selecting letters in alphabetic order
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Probability of guessing a password
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Series. AP GP. Some confusion. Answer checking needed also.
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Australian Maths Competition [Calculators not Allowed]
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Cube root of 6 is irrational. (please check if my proof is correct)
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Solving Algebraic Expressions: Confused with One Step | Need Help
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What do each of these variables mean? (Exponential functions)
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How to simplify (2x - 3)^2 - 2x(2x - 5)
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Find the actual length of a wall on a map with scale 1:25000
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What is the mathematical approach to solving letter/digit code puzzles?
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Probability - Binominal distribution
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Understanding Simplification Operations for Inverse Trigonometric Functions
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Phillip's Phun Phactory: Probability Problem
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Trig Substitutions Homework: "Uh... why?
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Solve Equation: 3(x+1)-(x-1)/2 = -4 | -6 Answer
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Solid angles and particle velocities
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Difference between 1/x and Cosech (x) graph
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Integrate Physics: q(t) = 10.00t^2
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Is there a mistake in this solution?
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How Do You Rearrange This Equation to Solve for Delta T?
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Trying to prove two angles are congruen to each other
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Having trouble understanding word probl Trig.
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Solving Ax + By = Cx + Dy: A=C & B=D?
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Find the number of ways an odd number of objects can be chosen
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How Do You Solve 2/x+2 + 3/2x+1 for x=1/2?
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How Do You Convert Cubic Centimeters to Cubic Meters?
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Linear Velocity: When to Use S/t or R*w
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Counterintuitive Probability Problem
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This is like a fifth grade question
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Operations that Maintain/Don't Maintain Inequality
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Reference Angles: Find the Angle of $\frac{7\pi}{6}$
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Applied Trigonometry, Deduce Length of Segment in new triangle.
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Deriving the Formula for S = theta * radius
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I have a variable as an exponent, how do I isolate it from everything else?
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Solve Natural Log Equation: ln(x+1)-ln(x)=0
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100sin(alpha) = 500cos(alpha) - how do you solve such a thing?
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Radius of A Circle inside a Sphere
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What Are the Key Characteristics of Henon Attractors?
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Understanding 45-45-90 Degrees Angles
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I need to prove that 1+x =< e^x for any x>=0.
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Escalator Steps and Time: Solving for Stationary Step Count
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Finding Exact Value of Trig Expression
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How do I factorize (x-1)(x-2)(x-3)(x-4) -48
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Understanding the Pythagorean Theorem's Ratios
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Sketch the graph of an invertible function
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Can the Function x^2 * exp(-x/a) = b Be Solved for x Using Lambert W?
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Help to prove that an inequality holds
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Functions, the compositions of f(g(x))
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Calculating Distance and Function of a Horse on a Merry Go Round
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What is the angular velocity of the nail in a car tire at 55 mi/hr?
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What are the two square roots of 3+4i and how can they be obtained?
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Complex Numbers: Expressing (1- i tanx) / (1+ i tanx) in Polar Form
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Can You Solve for Theta in Terms of a Known Expression?
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How many functions are there from A to B
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Need Help With Quadrilateral Calculations: LN and KM Angles
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Trigonometry problem. Solve equation for
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Arc Length of a Circle: Learn the Proof!
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Half Life Problem: Solving for 5 Years Starting with 100 Grams
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Centre of mass of of an isosceles Triangle
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What Is Jerry's Average Speed on His Daily Commute?
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Help with Trig function Periods
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Induction question from Philosophy class
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Counting Principles and Probability
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Struggling to re-arrange exponential equation
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How do I calculate the time for P to return to its starting point?
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Verifying Sin2A = 2SinACosA with A=30deg
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How Do You Calculate the Conditional Distribution P(X = x | Y = y)?
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Creating a table from a system of linear equations
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Solving 2n.Cos^2(n)=1000 - Tips & Tricks
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Understanding the true impact of gun violence: A scientific perspective
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