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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Euler Line theoram - part of the proof is not clear to me
- musicgold
- · Replies 3 ·
What is the area of the sector cut out by two rays in a disc with a given area?
- r0bHadz
- · Replies 1 ·
Solving an Irregular Clock: No Continuous 576 Minutes
- Jenny Physics
- · Replies 6 ·
Is there a reason Lang uses (x-s)^2 instead of (x+s)^2?
- r0bHadz
- · Replies 4 ·
Is my proof valid for this inequality problem?
- r0bHadz
- · Replies 11 ·
Will this number be in that series?
- musicgold
- · Replies 13 ·
Q unless negate p = if p then q
- r0bHadz
- · Replies 5 ·
How to read a joint discrete table?
- JackLee
- · Replies 2 ·
Finding Angle C in an ABC Triangle
- Natasha1
- · Replies 19 ·
Solution to a sixth grade (degree 6) equation
- Ennio
- · Replies 7 ·
Angle between a plane and a line
- Krushnaraj Pandya
- · Replies 2 ·
Line of intersection of two planes
- Krushnaraj Pandya
- · Replies 9 ·
Vector equation of a plane in normal form
- Krushnaraj Pandya
- · Replies 2 ·
Efficient solution to a 3D geometry distance problem
- Krushnaraj Pandya
- · Replies 6 ·
Vector of shortest distance between two skew lines
- Krushnaraj Pandya
- · Replies 11 ·
Efficient Methods for Solving Summation Equations: Σ(1/k) - (1/(k+1))
- Leah123rose
- · Replies 5 ·
Why does the cross product of two direction vectors....
- Specter
- · Replies 2 ·
Prove that five points are collinear
- Mixer
- · Replies 5 ·
Fastest way to find consistency/solutions of equations
- Krushnaraj Pandya
- · Replies 10 ·
Calculating Expected Value and Variance of Coin Toss Results
- pawlo392
- · Replies 1 ·
Number of valid ways to roll M dice with N sides
- Hiero
- · Replies 8 ·
Real number x s.t. relation is satisfied?
- r0bHadz
- · Replies 12 ·
How can the rationalized numerator be simplified?
- r0bHadz
- · Replies 4 ·
Is a^2 Always Positive for a Real Number a?
- r0bHadz
- · Replies 18 ·
Identifying the equation of a parabola
- Krushnaraj Pandya
- · Replies 2 ·
Solving a system of linear equations
- Specter
- · Replies 22 ·
Equation involving 2 variables
- r0bHadz
- · Replies 3 ·
Find bounding numbers for two interrelated sequences
- Entertainment Unit
- · Replies 6 ·
Finding the shortest distance from a point to the plane
- Specter
- · Replies 7 ·
Help with an arithmetic proof by induction
- Entertainment Unit
- · Replies 4 ·
I'm looking for a local minimum point that doesn't show up when....
- Wi_N
- · Replies 9 ·
Find the scalar, vector, and parametric equations of a plane
- Specter
- · Replies 8 ·
Faster ways to calculate distance between a point and a line in 3D
- Krushnaraj Pandya
- · Replies 2 ·
Relation between vector length and direction ratios
- Krushnaraj Pandya
- · Replies 3 ·
Can a direction cosine squared be negative?
- Krushnaraj Pandya
- · Replies 17 ·
Equation of a circle from given conditions
- Krushnaraj Pandya
- · Replies 11 ·
Is the Sine Rule Valid for Non-Triangular Vector Configurations?
- Krushnaraj Pandya
- · Replies 3 ·
New coordinates from the rotation of an axis
- rajeshmarndi
- · Replies 7 ·
Writing vector and parametric equations for a line that....
- Specter
- · Replies 5 ·
How is e^ln (ln (x+h+3)) broken down
- Michael Santos
- · Replies 21 ·
Factorizing x+3: Legal or Not?
- Michael Santos
- · Replies 2 ·
Quadratic function minimal value
- YoungPhysicist
- · Replies 11 ·
Maximizing Vector Sum with Constant Magnitudes
- ForceBoy
- · Replies 3 ·
Proof by Induction: Proving n=i=0n∑ ai2i
- Dank2
- · Replies 5 ·
Are the Logical Statements (A ∨ B) and ¬(A ∨ B) Equivalent?
- ForceBoy
- · Replies 8 ·
Find the Composite Function of p & q: Relationship & Value of pq(39.72)
- Natasha1
- · Replies 9 ·
Solving for the Sum of an Arithmetic Progression | m>n | AP Homework
- subhradeep mahata
- · Replies 4 ·
Formation of a hyperbola using a plane cutting a doubole con
- barryj
- · Replies 5 ·
Why Can't All Subsets of A×B Be Expressed as Cartesian Products?
- Carrie233
- · Replies 7 ·
Boas ch1 ex12--the water purification question
- vecsen
- · Replies 7 ·
Finding number of natural numbers N such that............
- subhradeep mahata
- · Replies 5 ·
Is This Proof That 8 Divides n^2 - 1 for Odd n Valid?
- r0bHadz
- · Replies 11 ·
How to get from tan(a)/tan(b) to sin(a)/sin(b) or something simmilar
- Philip Robotic
- · Replies 25 ·
Simplifying algebraic fractions x in numerator and denom.
- Svetlana_Vein
- · Replies 3 ·
Quadratic in x and linear in y problem
- baldbrain
- · Replies 19 ·
Trig problem involving a triangle's angles and sides
- Kolika28
- · Replies 5 ·
Number Patterns: 11,13,17,19,23,29,31,....?
- lahirurana
- · Replies 16 ·
First-order homogeneous recurrence relation with variable coefficient
- Robin04
- · Replies 3 ·
How to assess whether the slope is more than 45 degrees?
- scarecrow1
- · Replies 5 ·
Geometric Law of Probability with Dice
- AllRelative
- · Replies 3 ·
Solving 3D Vector Equation for ##\vec{y}##
- Robin04
- · Replies 16 ·
Find the Value of z in z^{1+i}=4 using Logarithms
- Terrell
- · Replies 1 ·
Set theory: Is my proof valid?
- r0bHadz
- · Replies 4 ·
How to solve this math problem: Two simultaneous trig equations
- barryj
- · Replies 8 ·
How do I factor this cubic polynomial?
- shreddinglicks
- · Replies 26 ·
Need help simplifying a summation with binomials
- Eclair_de_XII
- · Replies 10 ·
Probability of Getting a Total of 15 or Higher in Three Dice Throws
- Seneka
- · Replies 1 ·
Median vs. Second Quartile question
- Mathman2013
- · Replies 4 ·
Equation solving: L[0,Fe]+L[0,Fe]α[Fe]*dT = L[0,A])+L[0,Al]α[Al]*dT
- JesseK
- · Replies 9 ·
Fractional polynomial addition
- marksyncm
- · Replies 1 ·
Calculating the expected value for a probability
- samchan5167
- · Replies 7 ·
How to find the square root of a square root?
- Cheesycheese213
- · Replies 4 ·
No positive ℚ = a s.t a*a*a = 2
- r0bHadz
- · Replies 2 ·
Q* Meaning in Math: Understand the Concept
- r0bHadz
- · Replies 1 ·
Using binomial coefficients to find sum of roots
- JC2000
- · Replies 3 ·
Solve Cartesian Product Without Symbol: Find Answers Here
- momentum
- · Replies 10 ·
Proving that there is no rational number whose square is two
- r0bHadz
- · Replies 3 ·
Help with basic binomial coefficient
- Catbird
- · Replies 19 ·
Prove that the set of all algebraic numbers is a countable set
- s3a
- · Replies 8 ·
How to show that a 5-th degree polynomial has a root?
- Eclair_de_XII
- · Replies 5 ·
Proof by induction (summation)
- marksyncm
- · Replies 6 ·
Proving the associative property of vector addition
- Specter
- · Replies 3 ·
What is the meaning of ##N_i## ##m-dimensional## samples
- zak100
- · Replies 2 ·
Find Length of Median in Triangle via Cosine Law
- Umaxo
- · Replies 2 ·
Trigonometry - Double Angle Identities
- Nusc
- · Replies 18 ·
Problem involving a system of equations
- mimi88
- · Replies 3 ·
Average of x^2 is= 1.67"Calculating Mean & STDev of # of Quarters
- noreturn2
- · Replies 13 ·
Newton's Cooling Temperature formula problem
- Lami
- · Replies 6 ·
Circle and a line dividing the circumference
- Navin
- · Replies 48 ·
Confused about the steps/rules for rearranging equations?
- newguy_13
- · Replies 8 ·
What is the transformation function for reflecting points on a complex plane?
- Robin04
- · Replies 24 ·
Index Laws: Comparing 0.5^x & 2^x
- resurgance2001
- · Replies 5 ·
Sharing a birthday - what's wrong in my approach?
- musicgold
- · Replies 3 ·
Probability of Opening a Pushbutton Lock
- noreturn2
- · Replies 19 ·
What is the domain of f(f(x)) for f(x)= x/(1+x)?
- Jpyhsics
- · Replies 3 ·
Graphing Ellipse 4x² + 2y² = 1: Step-by-Step Solution
- José Ricardo
- · Replies 6 ·
How can I prove that these relations are bijective maps?
- seismichills
- · Replies 6 ·
A weird homework that requires everyone to answer
- YoungPhysicist
- · Replies 2 ·
Finding Eigenvalues: List of possible solutions for Lambda
- zak100
- · Replies 23 ·
Problem with calculating eigen vector for 2*2 Matrix
- zak100
- · Replies 5 ·