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.
Calculus problem with Summation I think?
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Probability: The birth problem - mean and variance
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Proving AD Bisects Angle CAE in Triangle ABC
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Help with Geometry Proof: Find CD in terms of AD and BD
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Guessing alphabet letters with order
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Conditional Probability: probability of having a girl.
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What would the statement of this theorem be?
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Can tensors be equal in all coordinate systems?
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Determine if a transformation is linear
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Sketch graph as function of another
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Rearranging an equation using log functions
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Solving for Point D: How to Find the Intersection of Two Linear Equations
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Find a basis of U, the subspace of P3
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Q function (gaussian random variable)
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Probability of X being greater than Y for independent uniform variables
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Can all quadratic equations be factorised?
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Can someone please tell me what applied uses surds have in Science?
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Sum of a Miscelleneous series.
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Euclidian geometry: Construct circle trough point on angle bisector where
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Independent random varables with common expectation and variance
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Is the point P(0,2) in the region bounded below by y=x
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Understanding Phasors and Complex Numbers in Harmonic Functions
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Finding the exact value of sec^2x
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Order preserved Lotto distribution
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What is the relationship between sets and elements in this problem?
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How do I solve for R in this equation?
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Limits of z Approaching i Along Unit Circle |z|=1
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Co-Ordinate Geometry - Find P for |PA - PB| is maximum
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Make x the subject of the equation.
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How do I solve for X in the equation X^(1/3) - 4(X^[-1/3]) = 3?
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What Is the Probability of Getting a Lift Within an Hour?
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Probability when rolling 6 true dice
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What is the meaning of grade in Trigonometry?
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Property of exponential functions
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Winning at KENO: Calculating the Expected Value (E(n))
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Logarithm Question: Solving for x with Substitution
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Learning Logs: Solving y=.70+.59x
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Solving Square Root Equation: Step-by-Step Guide to Finding Theta
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Wave Function in specific range
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Complex numbers, find (3/(1-i)-(1-i)/2)^40?
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Perpendicular distance between two equations? (parallel)
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Solve Logarithm Math Problem: LOG3(X+3)+LOG3(X-1)=1
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Show that a line is parallel to and below the plane
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Meaning of mathematic operator
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What is the Domain of the f(x)^g(x) Function?
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Calculating κ: Find the Value of (√3)^7 + (√3)^5 + (√3)^3 + 42(√3)
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Plotting Complex Numbers on an Argand Diagram
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Using cross product to determine if vectors are parallel
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How Many Workers and Days to Make 30 Units in 2 Days?
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Vectors a,b |a+kb|=1 .Show that |a||b|sinx<=b, x:angle of vectors a,b
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Probability: Draw w/o replacement, 3 different kinds of balls, don't understand
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(Nevermind) Establish Trig Identity: Sums to Products
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Did I explain this right? Basic absolute value functions
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Prove every rational number has a never ending decimal view
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Create a rational function with the following properties
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Why Do Rational Functions Have or Lack Horizontal Asymptotes?
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Kirchhoff's rule and multivariable algebra
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Calculating the radius of a planet based on its mass
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Find the inverse of f if f(x) = x^2 - 8x + 8 and x is less than or equal to 4
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Description of binomial expansion
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Sum of Getometric Sequence with alternating signs
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Complex numbers: Understanding solutions to tough problems
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Proving a sum that contains complex numbers
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Proving the Falsehood of y = x + ceiling[x] for All Real Numbers y and x
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Proving sin^0 (x): Is it 0, x, or Something Else?
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Prove that (6^n -1) is always divisible by 5
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Vectors: Find magnitude and direction of the changes in velocity
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Help with logarithmic equations
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Why do i get a stright line in both double and single logarithm paper ?
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Understanding the Limit of sqrt(x^2 + 2x -1) + x as x Approaches -infinity
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Solving Sin(2α)=-8/17 Using Identities
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Can You Solve These Rational Equations?
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Not sure if i should post this here
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Finding Inverse of f(x)=3x+5/x-4
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Probability of <3 Errors in 10-char Msg
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What is the concept for solving equations with integer parts?
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Edit: sorry about the title, it was warped when I pressed Control + z
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Proving 8 divides 1+2x3^(n-1)+5^n for all n>0
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Fundamental theorem of counting
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Is 2.7177117771117777 irrational?
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An ellipse fitting into a notch problem.
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Prove that the distance between point-line is given by some formula
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Parallelograms projection on a plain
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Three colors to paint each side of a square, how many different squares?
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Trigonometry - half angles problems
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What Is the Probability of Drawing a Red Then a Green Ball?
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Probability Mass Function/Moment Generating Function
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Geometry Problem: Finding the Sum of Perpendiculars in an Equilateral Triangle
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Why is There a Problem with the Proof for sin(x/2) = +/- sqrt((1-cos(x))/2)?
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Solving an equation with radicals
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Having problem solving a limit
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First success, sampling without replacement
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What is the Set and Probability of Drawing Coins with Replacement?
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Which Method is Correct for Solving Rational Equations?
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What formula can be used calculate the distance traveled by a robot
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Solve Limit as x→π/8: (cos(2x)-√(2))/(x-π/8)
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Solving Simultaneous Equations: x^2 + y^2 = 10 and y = 2x - 5
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How many pieces of paper will fit under the string?
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Expanding x^n-a^n without Binomial Theroem ?
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How to Solve x3+3x/3x2+1 using Componendo and Dividendo?
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