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 I find the mode and median from a frequency distribution table?
- kelvin macks
- · Replies 6 ·
Prove that no "prime triplet" exists after 3,5,7
- kvkenyon
- · Replies 7 ·
Prove (2n+1)+(2n+3)+ +(4n-1)=3n^2
- Jef123
- · Replies 10 ·
Elementary Number Theory - GCD problems and proofs
- Amcote
- · Replies 6 ·
College Algebra Simplifying Exponents
- velox_xox
- · Replies 8 ·
Probability of placing marbles in a compartment
- azizlwl
- · Replies 10 ·
Find the height of a bouncing ball at any given time
- Tizyo
- · Replies 5 ·
Probability distribution question
- princejan7
- · Replies 3 ·
Finding the domain for a rational function.
- cavalieregi
- · Replies 1 ·
What is the Answer to 1/3(10) using Logic?
- adjacent
- · Replies 8 ·
Calculating Partial Fractions find A, B and C
- lubo
- · Replies 13 ·
How Does Setting x=0 and x=π Simplify the Series to Prove a Summation Identity?
- JasonHathaway
- · Replies 2 ·
Will logarithms help in calculating this product?
- lubo
- · Replies 5 ·
Problem with an equation involving natural numbers
- TheSodesa
- · Replies 18 ·
Finding area of triangle with vertices at (5,2), (4,7), (7,-4)
- adjacent
- · Replies 18 ·
Basic Probability Theory (Equaly Likely Principle)
- FaraDazed
- · Replies 6 ·
Complex numer express (1+i)^9/(1-i)^9
- kelvin macks
- · Replies 1 ·
Solving a 2×2 system using matrix inversion
- Danatron
- · Replies 10 ·
Finding the equation of a hyperbola from given information
- minivan09ia
- · Replies 3 ·
Maths C Question Im having trouble with
- Digital Genius
- · Replies 4 ·
How Do You Solve for b in an Arithmetic Sequence Involving 1/a, 1/b, and 1/c?
- Digital Genius
- · Replies 6 ·
Vector & Square Root Question for GCSE Maths
- tomtomtom1
- · Replies 9 ·
Partial Fractions - 3 Unknowns
- BOAS
- · Replies 7 ·
Prove that all possible lines in function of m form a plane
- powerof
- · Replies 5 ·
Finding z1 , z2 of complex numer
- kelvin macks
- · Replies 8 ·
Why is the minimum number of oranges 18, not 17, in a 5:3:1 fruit ratio?
- tomtomtom1
- · Replies 6 ·
How to factor 7x^2-9x-6 quickly when finding sum and product numbers is slow
- tomtomtom1
- · Replies 4 ·
Summation Question: Substituting y=ai+b in c=Σ(i2*yi)?
- lilly92
- · Replies 5 ·
I need a multiple for a linear combination
- BiGyElLoWhAt
- · Replies 6 ·
Find x for x^(log 5)+5^(log x)=50
- Govind_Balaji
- · Replies 18 ·
How does angle of pic provided equal a/2 + 90 degrees?
- questionaskrr
- · Replies 5 ·
Finding angles of triangle in a regular octagon
- tomtomtom1
- · Replies 1 ·
Geometric sequence a, b, c forms arithmetic sequence with transformed terms
- Digital Genius
- · Replies 2 ·
Equation of vector pass thru point
- kelvin macks
- · Replies 5 ·
Is My Vector Equation for a Plane Correct Without a Diagram?
- kelvin macks
- · Replies 5 ·
What is the relationship between a vector and a plane in terms of parallelism?
- kelvin macks
- · Replies 4 ·
Simplifying Square Roots of a Parametrized Path
- mill
- · Replies 2 ·
Expand an equation - sum and product
- Reveille
- · Replies 14 ·
Finding a Hyperbola w/ 2 given points
- yopoe
- · Replies 1 ·
Elementary number theory - prove the following statements
- Amcote
- · Replies 4 ·
Finding Cardinality of Power Set
- crownedbishop
- · Replies 10 ·
Is the Binomial Theorem Really Worth the Effort to Understand?
- a1b2c3zzz
- · Replies 4 ·
Create Your Sundae - 45 Combination Options for Two Scoops
- chemistry1
- · Replies 7 ·
How Can Jane Identify Graphs y1 and y3 Among the Functions Given?
- Gwozdzilla
- · Replies 5 ·
Find matrices E and F that transform an unknown matrix A
- teme92
- · Replies 5 ·
Linear Algebra-Linear dependence
- manimaran1605
- · Replies 1 ·
Partial sum of the harmonic series
- AwesomeTrains
- · Replies 4 ·
Can you divide one equation by another in Gaussian elimination?
- uzman1243
- · Replies 2 ·
Parametric equation application?
- lisbon
- · Replies 4 ·
Solving Trig Applications: Docking Safety in Seaports
- tsaitea
- · Replies 3 ·
Finding Slope and Y-Intercept for Points on a Line: A Simple Explanation
- Doomkiin
- · Replies 2 ·
Every positive integer except 1 is a multiple of at least one prime.
- s3a
- · Replies 7 ·
Delta-Epsilon Proof: Prove lim_{x\implies 1} \frac{2}{x-3} = -1
- knowLittle
- · Replies 2 ·
Prove a complex expression = 1, if log of the complex terms are equal
- Govind_Balaji
- · Replies 15 ·
Contact area between two colliding spheres formula
- aricleather
- · Replies 5 ·
Determining Sin wave horizontal shift 'C' value
- tsaitea
- · Replies 6 ·
Prove divisibility of bc from divisibility of b and c
- knowLittle
- · Replies 7 ·
Distance from a point in space to a plane given a perpendicular line
- mill
- · Replies 1 ·
Is R on S an Equivalence Relation?
- knowLittle
- · Replies 5 ·
Completing the squares of a multivariable function
- pondzo
- · Replies 1 ·
Proving f(m,n) = 2^m 3^n is injective and cardinality of ℕ×ℕ
- knowLittle
- · Replies 12 ·
What Is the Probability of Rejecting a Batch with Defective Components?
- teme92
- · Replies 3 ·
Finding P(defective | test positive) with imperfect test accuracy
- teme92
- · Replies 1 ·
Prove that gcd(n, n+3) = 1 when n is not divisible by 3
- knowLittle
- · Replies 12 ·
Equation Involving Complex Fraction
- GabeN
- · Replies 12 ·
Proving |a-b| ≤ $\sqrt{a^2 + b^2}$ Using Induction
- knowLittle
- · Replies 7 ·
What topics are covered in this mathematics exam sample test?
- payot
- · Replies 7 ·
Prove Existence of Real Number
- knowLittle
- · Replies 10 ·
Understanding Nth Term in Number Sequences
- tomtomtom1
- · Replies 2 ·
Permutations and Combinations Problem
- Appleton
- · Replies 2 ·
Is Galileo's square-cube law a universal proof of similarity in 2D shapes?
- adjacent
- · Replies 14 ·
Is sqrt(6) an Irrational Number? A Proof without Prefix
- Mr. Fest
- · Replies 19 ·
Normal Distribution Porbability
- Calu
- · Replies 2 ·
Prove Same Cardinality (1,3) and [1,4]
- knowLittle
- · Replies 11 ·
Point of intersection between a parabola and a circle
- sooyong94
- · Replies 27 ·
How do I find the foci and asymptotes of a hyperbola?
- thimkepeng
- · Replies 3 ·
Find r and prove E[X] = 7.3 for P(X = k) = r(7.3^k/k!)
- Calu
- · Replies 2 ·
Earth angle - Gravity or acceleration?
- GBSmith
- · Replies 6 ·
Boolean squaring of adjacency matrix
- s3a
- · Replies 6 ·
Show that a line does not intersect a plane (vectors)
- Jon.G
- · Replies 3 ·
Why is tan δ = 1/wCR and not R/wC?
- rwooduk
- · Replies 2 ·
Why Doesn't r=a(1+cosθ) Have a Dimple?
- influx
- · Replies 3 ·
Solve Cosec x Graph Transformations: Alternative Method without Substitution"
- bobbricks
- · Replies 1 ·
Geometry and the principles of a spherometer
- BOAS
- · Replies 4 ·
How Does Car Type and Investment Limit Affect Dealership Profit Maximization?
- jianfeyyu
- · Replies 6 ·
Greatest Common Divisor of Four Distinct Positive Integers
- knowLittle
- · Replies 5 ·
Somewhat convoluted algebra problem
- gfd43tg
- · Replies 1 ·
Why is the power set of a denumerable set uncountable?
- knowLittle
- · Replies 6 ·
Solving Q1 and Q2 of F(x) = 4x^2+6
- tomtomtom1
- · Replies 1 ·
Mod-2 Function of A: Is it a Permutation?
- Ilikecereal
- · Replies 2 ·
Using the Double Angle Formula to Solve for Trigonometric Functions
- teme92
- · Replies 5 ·
Sine graph transformations finding parameters from coordinates
- bobbricks
- · Replies 6 ·
Aircraft velocity with wind using vector components
- cosmictide
- · Replies 2 ·
Basic probability aeroplane engines problem
- danmanchester
- · Replies 7 ·
Arranging 10 letters with a,b,c adjacent and d not touching a or b
- member 428835
- · Replies 11 ·
Cardinalities of Infinite Sets: Proving Bijective Relationship (0,1) and (0,2)
- knowLittle
- · Replies 3 ·
Questions related to sufficient statistics and confidence interval
- StudentW
- · Replies 1 ·
How Do You Calculate Inverse Functions and Their Properties?
- knowLittle
- · Replies 4 ·
I'm forgetting my geometry. Can I solve this triangle?
- dzidziaud
- · Replies 4 ·
Finding c for a symmetric interval in normal distribution
- vanceEE
- · Replies 1 ·