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.
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How Do You Calculate the Conditional Distribution P(X = x | Y = y)?
- cse63146
- · Replies 1 ·
Creating a table from a system of linear equations
- armolinasf
- · Replies 1 ·
Solving 2n.Cos^2(n)=1000 - Tips & Tricks
- dirtyaldante
- · Replies 1 ·
Understanding the true impact of gun violence: A scientific perspective
- mikeR3975
- · Replies 12 ·
Exponents and Imaginary Numbers
- Natalie89
- · Replies 7 ·
Understanding Triangle Proofs: Solving for Unknown Sides
- Miike012
- · Replies 8 ·
How Do You Prove Sets Have Cardinality Aleph-Nought?
- dhillon
- · Replies 5 ·
Discovering Exponential Functions: 2 Equations for y=3 with y-intercept of 5
- haleym
- · Replies 2 ·
Problem with a trigonometric equation.
- Shawn Garsed
- · Replies 3 ·
Understanding A, B, and C in the Universal Set: Proofs and Counterexamples
- dhillon
- · Replies 7 ·
What is the diagram for a particle attached to 2 elastic light springs?
- aurao2003
- · Replies 2 ·
Can I use this formula to simplify my summations?
- Luongo
- · Replies 1 ·
Can any triangle use the Pythagorean theorem?
- Miike012
- · Replies 2 ·
Angle Help15 = arctan(2/x) - arctan (1/x)
- Pawnag3
- · Replies 4 ·
Set theory question it , thank you
- dhillon
- · Replies 3 ·
Behaviour Under Simple Transformations
- haleym
- · Replies 3 ·
Unpacking Trig Ratios: Understanding Sine, Cosine, Tan, and More
- Miike012
- · Replies 3 ·
Prove: Tan^2 - sin^2 = sin^4*Sec^4
- Miike012
- · Replies 2 ·
Mastering Trig Identities: Strategies & Tips
- Miike012
- · Replies 5 ·
Find 'k' in Circle Inscribed in a Triangle
- zorro
- · Replies 15 ·
Interval Bisection: Solve for Root in [1, 2]
- aurao2003
- · Replies 8 ·
What Are the Domain and Range of Transformed Functions?
- coco richie
- · Replies 4 ·
Symmetry of f(x) = x^2 - 6x: Even or Odd?
- coco richie
- · Replies 7 ·
Simplify x^(1/2)+1 * (x^2-x-2) * (x-2)^(-1) | Equation Help from Dominic
- Dragonetti
- · Replies 6 ·
Therefore, cos/(1-tan) + sin/(1-cot) = sin + cos
- Miike012
- · Replies 2 ·
Solving the Stamp Problem: Finding the Greatest Amount for Perfect Change
- armolinasf
- · Replies 1 ·
Determining whether system of equations have a solution
- katerine
- · Replies 1 ·
Polynomial function - different degrees don't understand
- zeion
- · Replies 6 ·
Finding the Average Rate of Change for a Trig Function on a Given Interval
- DespicableMe
- · Replies 1 ·
Quadratic Question: Help Solve Homework
- kylepetten
- · Replies 7 ·
AP Physics 1983 Exam: Question #3
- ApPhysics2011
- · Replies 3 ·
Circular measure with trigno. Wrong answer.
- SolCon
- · Replies 8 ·
Really think there is a mistake in my textbook. Please check
- nukeman
- · Replies 4 ·
Normal distribution - Finding mean and standard deviation
- James...
- · Replies 4 ·
Need a review on how to factor cubic polynomials
- Propagandhi
- · Replies 2 ·
Curve Sketching: Finding X-Intercepts for 2(x^3)-6(x^2)-18x+7 Equation
- Jet1045
- · Replies 8 ·
A few problems i've come across some trouble with.
- icesalmon
- · Replies 7 ·
Understanding the Simplification of ((1 - cos A)/ (1+cos A) ) ^(1/2)
- Miike012
- · Replies 3 ·
Distance of point to line (cross product)
- quietrain
- · Replies 8 ·
What are the versed sine and coversed sine of an angle?
- Miike012
- · Replies 1 ·
What Is the Angle Between Two Vectors if Their Magnitudes Are Equal?
- quietrain
- · Replies 7 ·
At what point did I serve two rows at once?
- moonman239
- · Replies 1 ·
Equation for Ellipse from a chord - no other parameters
- uno4short
- · Replies 13 ·
Easy trig prob what did I do wrong?
- Miike012
- · Replies 7 ·
What is the relationship between similar regular polygons?
- Miike012
- · Replies 1 ·
Solving a Fractional, Single-Variable, Inequality
- nicksbyman
- · Replies 6 ·
How Does a Truck's Axle Motion Combine with Spring Oscillation?
- KatelynO
- · Replies 5 ·
Why 57 Degrees Was Chosen for One Radian
- Miike012
- · Replies 2 ·
Solve Exponential Limit Problem
- planauts
- · Replies 2 ·
U.S. Tax Code probability homework
- g3lo
- · Replies 3 ·
Discovering Pi: Unraveling the Mystery of an Irrational Number
- Miike012
- · Replies 9 ·
Calculating Earth's Distance from the Sun in One Year
- Miike012
- · Replies 4 ·
Calculating n with Super-Fast Computing: P1-P4
- blackle
- · Replies 4 ·
Unit Circle: 360 Degrees = 2(pi) Radians
- Miike012
- · Replies 21 ·
Solve Sequence Problem: Estimate World Population 1799-1900
- notme
- · Replies 4 ·
Proving sqrt of 3 is irrational
- armolinasf
- · Replies 18 ·
Breaking Down Degrees: Is It Important?
- Miike012
- · Replies 8 ·
Circumference & Arc Measure: Is this Correct?
- Miike012
- · Replies 5 ·
Convert 0.E to Binary | Hexadecimal to Binary Conversion
- sporus
- · Replies 7 ·
Combining Sine and Cosine Functions for f-g: Homework Example
- endverse
- · Replies 2 ·
Calculating Connectivity Patterns in a Computer Network
- blackle
- · Replies 3 ·
Understanding the Meaning of 'y as a Function of x' | Quick & Easy Question
- Miike012
- · Replies 7 ·
Factoring x^3 + x^2 -1: Solution & Explanation
- Miike012
- · Replies 17 ·
Two confusing questions on Probability
- zorro
- · Replies 11 ·
Exercise: An Application to Markov chains
- sshh
- · Replies 1 ·
Find Distance and Bearing from City A to C | Plane Navigation Problem
- Phyzwizz
- · Replies 5 ·
Finding the HCF of Numerator and Denominator
- Miike012
- · Replies 5 ·
Conditional Probability Problem
- Frank69
- · Replies 8 ·
Prove PM is Diameter in ΔABC with ∠A = 90°
- Lukybear
- · Replies 4 ·
What is the Origin of the Approximation?
- Beer-monster
- · Replies 4 ·
Combinatorics Problem: Choosing Couples in a Dance Class with 22 Students
- arsato
- · Replies 3 ·
Which Probability Calculation is Correct for Defective Bulbs in a Sample?
- zorro
- · Replies 7 ·
Finding angle b/w line equation and tangent.
- SolCon
- · Replies 6 ·
Finding Solutions in Natural Numbers for x^2+y^2=4z^2 and x^2+3y^2=4z^2
- oszust001
- · Replies 2 ·
Probability - A and B are two weak students
- zorro
- · Replies 2 ·
Solving Polynomials: Hints, Techniques & Solutions
- ts547
- · Replies 7 ·
Geometric sequences and Fibbonacci Numbers
- armolinasf
- · Replies 2 ·
Pascal's Triangle: 40 Paths to Spell BINOMIAL
- kerrwilk
- · Replies 2 ·
Proving Equalities: Check My Work
- armolinasf
- · Replies 5 ·
Solving equations with greatest integer function
- Bea77
- · Replies 4 ·
Calculating Rocket Reliability: Probability of Survival in Launch and Failure
- matt222
- · Replies 11 ·
Proving Newton's Law of Universal Gravitation
- abcd8989
- · Replies 1 ·
Finding the Infinite Series Expansion of e^(-x)cos(x)
- jf623
- · Replies 6 ·
How do you expand algebraic expressions to the nth power?
- WilliamK
- · Replies 3 ·
Explain two different methods for using combinations
- kerrwilk
- · Replies 1 ·
Construct & Normalize Orthogonal Vector to \underline{a}, \underline{b}
- Grand
- · Replies 7 ·
Equation of a Tangent Line - PreCalc
- KatelynO
- · Replies 13 ·
The probability that symbol j is sent and symbol k is received
- SamTaylor
- · Replies 5 ·
Electromagnitic fields questions
- ruwi2
- · Replies 3 ·
Expected number of trials before all cards are collected
- xcrunner448
- · Replies 2 ·
A couple of not so simple problems from old contests
- myro111
- · Replies 4 ·
Binomial coefficient summation proof
- zeion
- · Replies 5 ·
Calculating Rejected Carbon Rods: Standard Deviation Homework
- matt222
- · Replies 3 ·
Boat travelling in river without current
- armolinasf
- · Replies 4 ·
Boolean algebra -Sum of products form - theorem
- icelated
- · Replies 1 ·
Is My Induction Proof for (1+ny) ≤ (y+1)n Correct?
- nascentmind
- · Replies 8 ·
Prove Identity: Alternatives to Derivation
- icystrike
- · Replies 7 ·
Number of Non-Fiction Humourous Books for Children in a Bookstore
- kerrwilk
- · Replies 3 ·
Solving Simple Transposition Problem for Charge Separation in Air
- MattNotrick
- · Replies 4 ·
Integration by Parts: \int{\frac{xcosx}{sin^2x}dx}
- jetpac
- · Replies 4 ·