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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Hexagon construction with parallel line and circle
- Gary Smart
- · Replies 10 ·
Probability question 6
- Ronaldo95163
- · Replies 6 ·
Arithmetic progression sum and nth term
- Suraj M
- · Replies 11 ·
Height of a spherical cap with known volume?
- streeters
- · Replies 2 ·
Sum of a geometric series of complex numbers
- whatisreality
- · Replies 13 ·
How Do You Calculate the Probability of Coin Toss Outcomes with Biased Coins?
- AntSC
- · Replies 7 ·
Is w1/w2 = √r2/r1 the Correct Derivation for Circular Central Force?
- SwedishFred
- · Replies 21 ·
Finding limitations for matrix
- nuuskur
- · Replies 4 ·
Factorizing determinants and rules to simplify them
- PcumP_Ravenclaw
- · Replies 5 ·
Proving Inequality $$4x^4 + 4y^3 + 5x^2 + y + 1 \ge 12xy$$
- Vriska
- · Replies 16 ·
Probability of Non-Adjacent Zeros in 11-Digit Integer with 1 and 0 Digits
- AdityaDev
- · Replies 59 ·
R code errors for sunspots bootstrap sampling with 10000 replications
- _N3WTON_
- · Replies 15 ·
Understanding Trigonometric Identities: Solving for -1
- Marcus27
- · Replies 3 ·
How Many Unique 7-Digit Numbers Can Be Formed Using Specific Repeated Digits?
- Mohd Taqi
- · Replies 12 ·
Normal distribution or Uniform distribution
- Amol Musale
- · Replies 4 ·
Finding the equation to hyperbola
- Niaboc67
- · Replies 20 ·
Find F(7) and F(a^2-2) (a≥2) -- Simplify .
- Niaboc67
- · Replies 2 ·
Rate of Change for Ball Thrown: How to Use the Formula f(b)-f(a)/b-a
- Niaboc67
- · Replies 5 ·
Probability question involving intersections
- TheKracken
- · Replies 3 ·
Basic statistics/probability question
- vanizorc
- · Replies 6 ·
Solving an equation, I have an incorrect solution
- Alevelman
- · Replies 5 ·
I don't understand how parameters are eliminated
- Eclair_de_XII
- · Replies 11 ·
What is the 2015th decimal number in the division 2015 by 7
- Natasha1
- · Replies 6 ·
What is the real part of z when given 1/z = 1/R + 1/(iωL)?
- whatisreality
- · Replies 5 ·
Product of Two Summations for Matrices and Vectors
- PWiz
- · Replies 11 ·
Solve F(x,y) = 0 for y = 1: Solve Equation
- Max0007
- · Replies 4 ·
How to find the vertex of G(t)=1/2(t^2-4t)
- Niaboc67
- · Replies 8 ·
Calculating Easter Day in 2015
- Natasha1
- · Replies 6 ·
Series, arithmatic progression.
- psyclone
- · Replies 2 ·
Solving a Quadratic Equation: Finding the Minimum
- Niaboc67
- · Replies 1 ·
Probability/Combinatorial Question
- Rellek
- · Replies 1 ·
Can Sequence r_n Be Bounded by O(log2(log2 n))?
- NATURE.M
- · Replies 49 ·
Finding the Bounded Region of x=0, y=0, y=x^2, y=4-x^2 and x=2
- cloveryeah
- · Replies 4 ·
How do I find the axis of symmetry without the parabola equation?
- Niaboc67
- · Replies 9 ·
Ellipse Major Axis Determination
- Niaboc67
- · Replies 2 ·
How can I solve this trigonometric equation using the given equations?
- Suraj M
- · Replies 5 ·
Fixed point iteration, locally convergent
- John Harris
- · Replies 14 ·
Marketing Research (Cost, Revenue, Etc.)
- frownifdown
- · Replies 11 ·
Parametrization of Witch of Agnesi
- PWiz
- · Replies 2 ·
Quadratic Inequality: Solve for 4/m-2/n Without a Calculator
- LiHJ
- · Replies 1 ·
Two pumps emptying a fuel tank at different rates
- Max0007
- · Replies 13 ·
Finding the exact value of a summation.
- NATURE.M
- · Replies 6 ·
Prove that a point in triangle is the centroid
- Purplesquiggles
- · Replies 6 ·
System of linear and non-linear equations
- abdo799
- · Replies 2 ·
Why does (p*q+2)-(p+q) always give a prime number?
- John Harris
- · Replies 9 ·
I'm having trouble creating my own trig function
- Adriane
- · Replies 1 ·
Weighted Least Squares Solution
- samgrace
- · Replies 5 ·
Can x be written as both a positive and negative value in an equation?
- LiHJ
- · Replies 3 ·
Probability of finding all 5 errors in a text with 3 people?
- TheSodesa
- · Replies 2 ·
Vectors and similar triangles problem
- LiHJ
- · Replies 3 ·
Probability of At Least 1 Child Receiving 6 or 7 Candies
- tony24810
- · Replies 5 ·
Segment of a circle (Exact form answer)
- Matt
- · Replies 12 ·
Standard form, vertex form. Something isn't right here
- Niaboc67
- · Replies 12 ·
Why Are My Composite Function Solutions Incorrect?
- Niaboc67
- · Replies 1 ·
Finding 102 * 9.8/10^-4: Where Did I Go Wrong?
- gracy
- · Replies 16 ·
Proving a right-angled triangle from incircle constraints
- Appleton
- · Replies 7 ·
System of Equations (Matrices)
- smashbrohamme
- · Replies 2 ·
Calculating Posterior Prob. of an Impurity's Presence
- _N3WTON_
- · Replies 8 ·
Can someone check my solution to a trigonometric equation?
- Eclair_de_XII
- · Replies 5 ·
Proving floor(2x) = 2·floor(x) when x - floor(x) < 1/2
- Temp0
- · Replies 3 ·
-- cumulative distribution function, probability density
- saulwizard1
- · Replies 28 ·
Average percent growth per year
- gamow99
- · Replies 13 ·
What is geometric interpretation of this equality?
- Shackleford
- · Replies 26 ·
DNA sequence modeled as 4 faced die
- bowlbase
- · Replies 11 ·
Express a series in sigma notation
- whatisreality
- · Replies 10 ·
Intersection between exponential models?
- Capricorn1997
- · Replies 11 ·
Calculate A's Evolution Over 1000 Generations with Mutation Probability
- bowlbase
- · Replies 3 ·
When magnitude of addition is equals to
- H.D. M A K
- · Replies 7 ·
Trigonometry identities and equations
- wei1006
- · Replies 2 ·
Equation for y to obtain an equation that represents circle
- Niaboc67
- · Replies 3 ·
Precalculus -- determine the rate of change of the function
- Niaboc67
- · Replies 3 ·
Filling in piecewise function from given graph
- Niaboc67
- · Replies 2 ·
How do you graph the linear function f(x) = (x + p) + q?
- lola2000
- · Replies 4 ·
Sequence Analysis (probability)
- bowlbase
- · Replies 15 ·
Finding probabilities from shoe store sales data
- bnosam
- · Replies 14 ·
Solving equation involing radicals
- issacnewton
- · Replies 8 ·
Maximum area and minimum perimeter of triangle BDE inscribed in equilateral triangle ABC
- Daveigh
- · Replies 4 ·
The plot of a linear relation given an equation
- rwooduk
- · Replies 2 ·
Coin flip deal (stats/probability)
- bowlbase
- · Replies 14 ·
Simple proof regarding integers
- Yosty22
- · Replies 5 ·
Find Probability of Exactly One Event Occurring
- NATURE.M
- · Replies 12 ·
What is the relationship between vectors perpendicular to (1,1,1) and (1,2,3)?
- Yosty22
- · Replies 5 ·
Expressing complex numbers in the x + iy form
- Logan Land
- · Replies 7 ·
Calculating FFT for discrete values
- electronic engineer
- · Replies 5 ·
Simplifying (A+B)&(C+D) + (A+B)&(C+D)' + C
- Extreme112
- · Replies 2 ·
Proofing My "Arithmetic?" Proof
- mafagafo
- · Replies 3 ·
I want to prove the asymptotes for the inverse cotangent.
- Eclair_de_XII
- · Replies 1 ·
Can a Graph Have m Times More Edges Than Vertices?
- nuuskur
- · Replies 1 ·
How to Choose the Right Proof Method for Mathematical Propositions?
- Saterial
- · Replies 13 ·
Sampling Frequencies: f1, f2, f3 with fs=1000Hz
- electronic engineer
- · Replies 2 ·
Number of possibilities of words with limitations
- nuuskur
- · Replies 9 ·
How Many Children Can Attend the Christmas Party Given the Present Conditions?
- nuuskur
- · Replies 2 ·
Solving a logarithmic equation
- Adir_Sh
- · Replies 11 ·
Prove c sin(A-B)/2 = (a-b) cos(C/2)
- Appleton
- · Replies 10 ·
Mathematical proof for non linear system
- Jimmy Johnson
- · Replies 2 ·
How Many Girls Can Swim in a School of 2100 Pupils?
- t3rom
- · Replies 4 ·
Find cos(a+b) where a is in Q2 with sin a=2/5 and b is in Q3 with tan b=3/4
- xcortz
- · Replies 10 ·
Help with trigonometric functions
- Eric Manuel
- · Replies 14 ·
Identifying variables as quantitative or categorical
- cashflow
- · Replies 7 ·
Further Trigonometry Identity (Proving question)
- wei1006
- · Replies 1 ·