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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Water Pressure & World Rotation: An Unanswered Query
- StephenP91
- · Replies 5 ·
Find the mean and variance of this set of 40 numbers
- jinx007
- · Replies 3 ·
Get Quick Help with Factoring Homework - (x-1)y^2 + (1-x^2) Simplified
- Loppyfoot
- · Replies 10 ·
Random Walk - Falling into a pool
- noblerare
- · Replies 1 ·
Solving Percentage Questions: 231 mg Potassium in Dandelions vs 93 mg in Lettuce
- lha08
- · Replies 7 ·
Find a recurrence relation for this problem
- johnsmiths
- · Replies 1 ·
Best way to solve equations like that
- fishingspree2
- · Replies 1 ·
Factorials and Squares: Finding Solutions to a Unique Equation
- The legend
- · Replies 6 ·
Question about logic and recurrence relation
- johnsmiths
- · Replies 5 ·
Solving Quadratic Equation: Find Roots of m+ni & m-ni
- thereddevils
- · Replies 2 ·
What Would You Do with This Multinomial?
- Fliption
- · Replies 4 ·
Pair of lines: \determine point of intersection. Please tell me if I am correct.
- nukeman
- · Replies 5 ·
Solve Trig Inequality: 2cos^2(x) + 1 = 3cos(2x) [0,2pi)
- lovemake1
- · Replies 2 ·
Is periodic but has no period ?
- lovemake1
- · Replies 14 ·
Vectors and direction/bearings.
- quantum_owl
- · Replies 1 ·
How Do You Find Tan(Theta) Given Sin(Theta/2)?
- lovemake1
- · Replies 1 ·
Maxima and minima properties problem
- zorro
- · Replies 3 ·
Easy Solution for x + √x = 90: List of Solutions | Midterm Math Troubles
- MacLaddy
- · Replies 1 ·
Engineering Economics Present Worth
- MHrtz
- · Replies 1 ·
Parametrizing Position of a Spyrograph
- greenspring
- · Replies 3 ·
Calculating Probability of Receiving $1 from Multiple People
- damajha
- · Replies 3 ·
Force Required at 40 Degrees on an Inclined Ramp: Vector Diagram Included
- madeeeeee
- · Replies 2 ·
Proof: Quadratic Nth Term of Sequence Indicates Arithmetic Progression
- zorro
- · Replies 11 ·
Proving Recurrence Relation for f(x)
- Char. Limit
- · Replies 1 ·
Finding the Value of pq When Lines Bisect Each Other
- zorro
- · Replies 8 ·
Economics and uniform series formula problems
- MHrtz
- · Replies 4 ·
*Quick Linear equation - Equation of a line - Thanks
- nukeman
- · Replies 3 ·
Factoring cubic polynomial help
- John H
- · Replies 4 ·
PROVing trigonometry indenties
- ytx123
- · Replies 2 ·
Solving for variable N when it is used as a base and exponent
- wjang
- · Replies 1 ·
Solving Systems of Equations over F2
- Suy
- · Replies 9 ·
Inequality Solution [ , +Part solution included]
- lovemake1
- · Replies 5 ·
Probability with urns and balls
- mynameisfunk
- · Replies 2 ·
Number of unique arrangements, with 13 letter word 'statistically'
- mynameisfunk
- · Replies 2 ·
Please explain this question to me (F2 field)
- Suy
- · Replies 4 ·
System of Equations: Find m, Graphical Interpretation
- adillhoff
- · Replies 4 ·
Volume of a cube as a function of surface area
- lovemake1
- · Replies 1 ·
How to Find Intercept with Axis for Miller Indices?
- itsvt2013
- · Replies 8 ·
Triangle Inequality Proof help
- lovemake1
- · Replies 20 ·
Proving Triangle Inequality: How to Justify Your Work | Homework Tips
- lovemake1
- · Replies 1 ·
How Do You Tackle This Modulus Equation Challenge?
- Azure Skye
- · Replies 4 ·
Matrix vector product and linear transformation proof
- nobahar
- · Replies 2 ·
Solving Coordinate Homework: lxl + lyl = 1
- lovemake1
- · Replies 6 ·
Linear Equation (supply and demand line)
- nukeman
- · Replies 17 ·
How do I simplify complex numbers and find real and imaginary parts?
- danik_ejik
- · Replies 8 ·
System of equations using modulo
- Firestrider
- · Replies 1 ·
How Did the Equation Change to y = x + 30?
- nukeman
- · Replies 2 ·
* Linear/graphing question - Thanks
- nukeman
- · Replies 4 ·
How to Solve Congruence Problems with Modulo Arithmetic
- morrowcosom
- · Replies 2 ·
Probability of obtaining a sample mean of x in n trials?
- moonman239
- · Replies 1 ·
Projectile Velocity Analysis: Solving for Initial Vertical Velocity
- kayem
- · Replies 1 ·
Probability question i dont understand
- sneaky666
- · Replies 5 ·
Abstract algebra vector space problem
- Acce
- · Replies 2 ·
Help! Factor Trinomial with X^3: Sample Problem Included
- jacksonbobby5
- · Replies 2 ·
Help with probability problems
- sneaky666
- · Replies 4 ·
How Do You Isolate A in the Equation n=sin[(A+B)/2]/sin(B/2)?
- joemama69
- · Replies 1 ·
Hi, I have a problem. Its logarithms.
- Tikoonmunci
- · Replies 8 ·
Proving Rational Sum of n Rational Numbers
- willbland
- · Replies 7 ·
Prove 3 distinct points lying on the some curve
- zohapmkoftid
- · Replies 3 ·
General solution of trig functions
- t_n_p
- · Replies 7 ·
Absolute Value Inequality: How to Solve and Graph
- lovemake1
- · Replies 5 ·
Tips for Solving Probability Problems Before Exam
- lorik
- · Replies 1 ·
Need help with complicated algebra for graduate engineering course
- blue mango
- · Replies 7 ·
Window area question, express as function of Area
- lovemake1
- · Replies 7 ·
How Do You Solve Complex Logarithmic Equations?
- Elus
- · Replies 13 ·
Quadratic Function Bounds for β: Solving for β in Terms of α, a, and b
- kalupahana
- · Replies 6 ·
Trig Inequality (partial solutions included)
- lovemake1
- · Replies 17 ·
Probability of Frog's Final Position <1m from Start: 2010 AMC 12
- naes213
- · Replies 3 ·
Proving a Quadrilateral is a Parallelogram
- lovemake1
- · Replies 9 ·
Why Is Calculating Card Probabilities Confusing?
- lorik
- · Replies 1 ·
Division Illustration for Equal Sharing
- Outblaze
- · Replies 1 ·
What are the values of p, q, and r in this quadratic equation?
- AD7863
- · Replies 4 ·
Prove that ABCD is a parallelogram
- Grand
- · Replies 2 ·
A level Further Pure Maths help (Polynomials)
- usman94
- · Replies 9 ·
*Showing that two lines are coincident - Help please.
- nukeman
- · Replies 1 ·
Finding a Polynomial with Nonnegative Coefficients
- chillfactor
- · Replies 11 ·
Propability: Somebodys mistake
- lorik
- · Replies 7 ·
Solve for x in terms of y (Quadratic formula)
- adillhoff
- · Replies 3 ·
How do I find the area of intersecting circles in a Venn Diagram?
- airborne18
- · Replies 1 ·
Find the argument of a complex number
- fluidistic
- · Replies 18 ·
Find closest fraction to another fraction
- KarlRixon
- · Replies 3 ·
Why Does Multiplying Two Negative Numbers Yield a Positive?
- Jimmy84
- · Replies 3 ·
Finding radius of circle inscribed in a triangle
- Bohrok
- · Replies 1 ·
Find the probability of a defective item in a small sample
- lorik
- · Replies 5 ·
Combinations/permutations help
- roam
- · Replies 3 ·
How Do You Enumerate All Subsets of a Given Set?
- Craß
- · Replies 4 ·
Ordered Pairs for x and y: How to Solve x2 + 2x + 18 = y2 with Integers?
- spoc21
- · Replies 3 ·
Codomains of composite functions
- airborne18
- · Replies 2 ·
Arithmetic progression/algebra problem
- NotaPhysicist
- · Replies 8 ·
Solving Polynomials - Answers to Common Questions
- Kyoma
- · Replies 3 ·
What is the Locus of Re[z^2]>1?
- Grand
- · Replies 1 ·
How to find a vector orthogonal to a line
- furqankaimkha
- · Replies 6 ·
How can I solve a problem with two equations in two unknowns using trigonometry?
- cap'n ahab
- · Replies 1 ·
What is the Range of y=x+1/x for 0<x≤1?
- spoc21
- · Replies 1 ·
Math riddle, eliminating 2 of 3 answers with limited info
- reddragonguy
- · Replies 3 ·
Pre-Cal; rational inequalities
- priscilla98
- · Replies 12 ·
Find the real and imaginary part of sin(4+3i)
- tatiana_eggs
- · Replies 2 ·
How to Solve Rational Inequalities?
- priscilla98
- · Replies 3 ·
Quick question. Point-Slope. Thanks
- nukeman
- · Replies 2 ·
Combining Direct and Indirect Variations in Solving for Unknown Variables
- you878
- · Replies 2 ·