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.
Proving a couple of lines do not intersect a plane in ℝ4
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Probability of Poisson event happening twice, consecutively
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Random variables (probability)
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Angle between two vectors (Only by having their lengths)
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Confusion about conditional probability
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Confused about proof of "sin(θ + Φ) = cosθsinΦ + sinθcosΦ"
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Complex absolute value inequality
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Find a line in the rectangle from 0.0 to some point
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Laws of Exponents: Solve Math Homework Questions
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Marginal PMG of of 2 random variables with Joint PMF
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Use of binomial theorem in a sum of binomial coefficients?
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Combinatorial Solution to School Admission Interview Scheduling Problem
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Permutation Proof: Proving (n+1)nPr=(n+1)P(r+1)
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Calculating the roots of a quadratic with complex coefficien
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Equation solving/solving for x
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How Do You Solve the Equation 4^(x-1) = 2^x + 8?
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Find Equation of Ellipse | Eccentricity 2/3 | (2,0) Focus & x+y=0 Directrix
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Determine the value of B and C of a function
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Understanding Probability and Observations in Statistics
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How do I solve the equation e^(2x)-2=e^x?
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Combinatorics / Probability ( checking my answer)
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Iterations in the Euclidean algorithm
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What is the domain for solving the equation √(5+x)-x=3 and writing down D(g)?
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Arithmetic progression. find p.
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How Do You Solve the Inequality 6x^2+5x < 4?
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Proof by Induction: Proving Sum Equation for n ∈ N
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Linear combination and orthogonality
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Determine components of a vector without knowing the angle
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Missing a step in the proof of the BAC-CAB rule
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Solving Logarithms: Discovering the Unknown Variable in Log_a (100)
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Probablity Problem 1.3 From Statistical and Thermal Physics, Reif
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What is the Equation for Combinations with Repetition in Combinatorics?
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Polynomial Inequality Homework: Solving without Technology | Remainder Theorem
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Finding a function that goes through given points
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Efficiently Solving a System of Equations for Physics Problems
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How do I solve absolute value inequalities involving polynomials?
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Solve Quadratic Inequality: x²-4x+3≤(3x+5)(2x-3)
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How Do You Calculate the Distance Between Adjacent Numbers on a Clock Face?
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What Is the Yearly Growth Rate for a 40% Increase Over Three Years?
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Rewrite an even of N series as a function of N
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Arbitrary array of numbers, proof
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Geophyics equation, order of operation
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Solve Supermarket Special Offer: $0.30 Reduction Price
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Lapse rate, dry adiabats, moist adiabats
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Proving 2n ≤ 2^n for All Positive Integers n
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Uncertainty Calculation for 6mV Input on Linear Force Measuring Device
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Solve for x: 2^3+2^3+2^3+2^3=2^x
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Converting nanometres and microns to millimetres
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Probability and Events (I don't quite understan the answer)
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One solution to Trig Function, but what about the other(s)?
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Expectation of a function of a continuous random variable
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Is there a simpler way to solve this Venn diagram algebra problem?
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Probability of No Mixed-Sex Rooms with 40 Randomly Assigned People
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Conditional PDF question -- I think anyway....
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How Much Does Each Golf Ball Cost in This Algebra Problem?
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How to find the vector between two points given in spherical coordinates?
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Calculating Earth's Temperature Change from Increased Solar Constant
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Solve Simple Trig Problem: cosx - cosx*sinx = 1/3
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Proving the Existence of a Midpoint on Every Segment | Segment Midpoint Theorem
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Problems about energy and dimension (checking my solutions)
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Finding angles of a parallelogram.
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Prove there is a perfect square between n and 2n
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Winning the Weekly Sports Club Draw
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How many solutions does the equation have?
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Solve "Logic" Questions: Is Jed Right?
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Unit Conversion of CO Concentration in Basement to Micro-gram/m^3
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What is the Impact of a Local Tourism Tax on Customer Satisfaction?
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What is the Inverse Cosine of a Squared Angle?
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'And' means 'Multiply' and 'Or' means 'Add'?
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Unit Vector Perp. to a: Solving Problem
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Adding Degrees Minutes Seconds
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PDF's: Binomial Formula or Pascal's Formula
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Is It Possible to Prove Logarithms Using Equations?
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What is the percentage of young people with psychosis due to cannabis use?
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Factoring Cosine: Get Help Solving the Problem
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How Can Students Be Arranged into Groups with Set Sizes?
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Quadratic Inequality: Solving for x | No Quotes
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Find the n value of a function
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Parametrization of implicit curve
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What is the Complex Angle for 2√(3)-2i?
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How can the absolute value of x be negative?
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Solve Double Cross Product Problem in $\mathbb{R}^3$
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Need clarification on sig-figs and propagation of error.
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Inequalities in Normal Distributions
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Area of triangle on sphere problem.
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Binary search math, log base 2 (n) issues
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Binary search tree, number of nodes formula
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Solve Limit Problem: SQRT(-2)/(4-x) as x Approaches 4
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Rational exponents (was: Math Discussion)
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How to know if this irrational function has no asymptotes?
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Calculating Inverse Functions for Hourly Salary and Production Units
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What are the Asymptotes of (X-5)/(X^2+X-6)?
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Grade 12 Math (inverse of functions)
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Transition Matrices - Worded Problem
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Number Theory: Difference of Perfect Squares
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Combinatorics question: Identical/nonidentical
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Probability problem -- Drawing cards with different colors on their 2 sides
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How Many 5-Digit Numbers from 4, 5, 6, 8, 9 are Divisible by 8?
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Complex Number Division and Addition
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Calculating Direction Cosines for Linear Equations - Homework Help
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