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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Two trains traveling toward each other 543 miles apart
- kazuchan
- · Replies 3 ·
Why doesn't water from a hose affect Earth's rotation?
- StephenP91
- · Replies 5 ·
Find the mean and variance of this set of 40 numbers
- jinx007
- · Replies 3 ·
Factoring (x-1)y² + (1-x²)
- Loppyfoot
- · Replies 10 ·
Random Walk - Falling into a pool
- noblerare
- · Replies 1 ·
How much more potassium is in dandelions than lettuce as a percentage?
- lha08
- · Replies 7 ·
Recurrence relation for expressions using digits and +, ×, /
- 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 ·
Express (p ∨ q) using only ∧ and ¬ operators
- johnsmiths
- · Replies 5 ·
Why are complex roots of quadratic equations conjugate pairs?
- thereddevils
- · Replies 2 ·
What Would You Do with This Multinomial?
- Fliption
- · Replies 4 ·
Finding the intersection of two lines using substitution
- 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 ·
Solving x + √x = 90 algebraically
- 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 ·
If the nth term is quadratic, is the sequence arithmetic?
- 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 ·
Factor 6x³-37x²-8x+12 using rational zero theorem
- 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 ·
Systems of equations over F2 and polynomial roots in F2
- 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 ·
Proving |x + y| ≤ |x| + |y|
- lovemake1
- · Replies 20 ·
How to justify the triangle inequality |a - b| ≤ |a| + |b|
- 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 ·
Finding all points where |x| + |y| = 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 ·
How do I factor X^3 - 2X^2 + 1?
- jacksonbobby5
- · Replies 2 ·
Binomial and card hand 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 ·
How do I identify when to use permutations vs independent events in probability?
- lorik
- · Replies 1 ·
Deriving Hagen-Poiseuille flow equation using Taylor series expansion
- blue mango
- · Replies 7 ·
Window area question, express as function of Area
- lovemake1
- · Replies 7 ·
Solving log(x³) = (log x)² and combining logarithmic expressions
- 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 ·
Finding symmetric sums of roots for x^4 - x^3 + 2x + 3 = 0
- usman94
- · Replies 9 ·
Finding slope and y-intercept from 2x - y = 5 and -4x + 2y = -10
- 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 which fraction is nearest to 1/2
- 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 ·
Counting natural numbers less than 100 containing a 3
- 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 ·
Converting point-slope form to standard form
- nukeman
- · Replies 2 ·