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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Formula for compounded contributions
- joema
- · Replies 11 ·
Find k in a sum with geometric progression coefficients
- smart_worker
- · Replies 2 ·
Counting problem: 5-character ASCII strings containing at least one @
- Nick O
- · Replies 3 ·
Area of a right triangle with little data
- mafagafo
- · Replies 8 ·
What Is the Explanation for the 2n(n+1) in the FP1 Mark Scheme?
- bobbricks
- · Replies 8 ·
Deriving the quadratic formula.
- XxXCausticxXx
- · Replies 13 ·
Find the rationalizing factor of a mixed surd
- Govind_Balaji
- · Replies 1 ·
Trig identities, prove (cot(x)-tan(x)=2tan(2x))
- noahsdev
- · Replies 3 ·
How Do You Calculate Time in an Exponential Decay Formula?
- eddievic
- · Replies 15 ·
How Does the Power Set of A Relate to the Power Set of Its Power Set?
- vrble
- · Replies 24 ·
Combinations Math Problem: Finding Possible Pairings with 10 Women and 12 Men
- member 428835
- · Replies 5 ·
Find Exact Value of cosθ Given sinθ=19/51
- cosmictide
- · Replies 2 ·
Upper Bound of H in GCSE Maths
- tomtomtom1
- · Replies 1 ·
Upper and lower bounds of measurements and areas
- tomtomtom1
- · Replies 2 ·
Simplifying x = ((ab√c)^(1/3) - a(b²c)^(1/4)) / (a³b²c)^(1/6)
- BruceSpringste
- · Replies 3 ·
How to Solve a^2011 for a Complex Number Satisfying a^2-a+1=0?
- sankarshana016
- · Replies 6 ·
Is exp(-3ln(x)) equal to x^-3 or -x^3?
- SteveDC
- · Replies 2 ·
Solving Equation: x^5 + k^2x = 0
- Atomised
- · Replies 5 ·
Find where the functions intersects
- WesleyGibson
- · Replies 2 ·
Why is reflecting e^x at y=2 equal to 4-e^x?
- brycenrg
- · Replies 8 ·
Meaning of multi zero solutions
- Atomised
- · Replies 5 ·
Isolating variable confounded by cursed reciprocals
- Atomised
- · Replies 8 ·
Simultaneous Equations and Fields
- Atomised
- · Replies 4 ·
Proving x²/a(1-bc) = y²/b(1-ca) = z²/c(1-ab) faster
- smart_worker
- · Replies 6 ·
When Will the Cistern Become Empty with Pipes X, Y, and Z Operating?
- 22990atinesh
- · Replies 6 ·
Selecting things arranged around a circle
- Saitama
- · Replies 16 ·
Series expansion/algebra problem
- BOAS
- · Replies 2 ·
Find the sum of the first n terms
- lionely
- · Replies 7 ·
What is the formula for finding the sum to n terms in a geometric series?
- lionely
- · Replies 5 ·
The angle between two straight lines.
- adjacent
- · Replies 5 ·
Linear System with Two Variables
- Atomised
- · Replies 12 ·
Can Basic Set Theory Explain Why an Element Belongs to a Set?
- vrble
- · Replies 12 ·
Binomial series validity range for (8+3x)^(2/3)
- stfz
- · Replies 3 ·
Changing center point of a cylinder
- mpittma1
- · Replies 14 ·
Solve Quadratic Equation: 5x^2 - 16tx + 3t^2
- Atomised
- · Replies 5 ·
Solve f(x) = ce^-x, Find E(x) and Probability Generating Function
- JoanneTan
- · Replies 5 ·
Find α so vectors to (3,4,0) and (α,4,2) are perpendicular
- subzero0137
- · Replies 2 ·
A,b,c satisfying given conditions
- utkarshakash
- · Replies 7 ·
When is the root of a number both negative and positive?
- BruceSpringste
- · Replies 4 ·
Can a function map multiple x values to the same y value?
- mather
- · Replies 8 ·
Proving the Validity of Sin, Cos, and Tan Equations in Right Triangles
- mather
- · Replies 14 ·
Algebra, how to separate a term in the sum of two roots
- rwooduk
- · Replies 13 ·
Proofs by contraposition and contradiction
- spaghetti3451
- · Replies 5 ·
Problems on permutation and combination
- spaghetti3451
- · Replies 2 ·
Problem with squares and roots
- BruceSpringste
- · Replies 4 ·
Vector equations for lines and planes in R3 with six given points
- need_aca_help
- · Replies 10 ·
Finding equation of a plane with 3 points
- uzman1243
- · Replies 2 ·
Question on Triangles and the lines intersecting through it
- Rerocker
- · Replies 1 ·
Which expansion is used for this result?
- rwooduk
- · Replies 2 ·
Given a transformation of the plane F(x,y) = (2x+y,x-2y), find F^-1.
- kris89
- · Replies 2 ·
His average speed for the first 4km is what?
- chikis
- · Replies 15 ·
What is the minimum number of red balls in the bag?
- utkarshakash
- · Replies 12 ·
Quadratic equation word problem
- musicgold
- · Replies 3 ·
Calculating Vector Sum: 40 ft and 14 degrees south of west - Vectors J and K
- gurmeet97
- · Replies 5 ·
Finding the ratio parameter when vectors divide a line
- abdo799
- · Replies 6 ·
Finding |a1-a4001| in an arithmetic progression with 4001 terms
- utkarshakash
- · Replies 2 ·
Finding intersection points of f(x) = 3x and g(x) = 2x²
- TheRedDevil18
- · Replies 8 ·
Solving e^ax=c*2^bx for x using natural logs
- TheKracken
- · Replies 9 ·
Hypothesis Test: Mean Content of Containers ≥ 3L
- princejan7
- · Replies 6 ·
Possibly wrong permutation/combination question?
- stfz
- · Replies 3 ·
How Do You Calculate the Length of a Belt in a Standardized Test Problem?
- member 508213
- · Replies 3 ·
Solve Logarithmic Equation: \log_{2010} 2011x = \log_{2011} 2010x
- mafagafo
- · Replies 3 ·
Different ways of solving for x in trig. equations
- Attis
- · Replies 4 ·
Proving sin4x + 2sin2x = 8sinxcos^3x Using Trigonometric Identities
- Attis
- · Replies 17 ·
Trig ((tanx - sinx)/sin^3x) = (1/(cosx - cos^2x))
- Attis
- · Replies 4 ·
Is the Probability Formula P(C∩G) = P(G)P(C|G) Correct?
- princejan7
- · Replies 3 ·
Solving for a variable in an equation that involves vectors
- Chetlin
- · Replies 7 ·
Summation of 'n' terms of the given expression
- smart_worker
- · Replies 5 ·
Question from higher algebra - hall knight
- smart_worker
- · Replies 4 ·
Use trig identities to show that
- ivan_x3000
- · Replies 3 ·
Prove that cot x - tan x = 2cot 2x
- keishaap
- · Replies 13 ·
Why are variables x and y mixed up in a quantifier negation?
- Atomised
- · Replies 5 ·
Distance of x,y and z intercepts of a plane
- summer27
- · Replies 3 ·
Is Only If Logic Misinterpreted in Mathematical Statements?
- Atomised
- · Replies 9 ·
Several difficult problems on polynomial remainder/factor theorems
- stfz
- · Replies 3 ·
Solving system of three equations for P₁, P₂ and λ
- skybox
- · Replies 4 ·
Writing a system of conic equations
- Jhenrique
- · Replies 4 ·
Solving Three Variable Equations: Finding x, y, and z
- smart_worker
- · Replies 2 ·
Radius of circumference as function of arc lenght and height
- jonjacson
- · Replies 5 ·
Understanding Trigonometric Functions and Their Geometric Meaning
- ViolentCorpse
- · Replies 2 ·
Proof technique for showing a binary relation is transitive
- Panphobia
- · Replies 7 ·
Show what happens to 'U' if 'a' is doubled.
- SalfordPhysics
- · Replies 2 ·
What equation can I use to find the value of L2?
- khazaymeh
- · Replies 2 ·
How Many Ways to Select Elements in a 6x5 Array with Constraints?
- gummyshark
- · Replies 5 ·
Has my community college skipping important precalc concepts?
- mmm_math
- · Replies 1 ·
Partial fraction decomposition of 1/(s²(s²+4))
- icesalmon
- · Replies 6 ·
Difficult polynomial question involving factor and remainder theorems
- stfz
- · Replies 6 ·
Finding complex solutions from an eqn.
- JC3187
- · Replies 1 ·
Vector with angles with axis (book wrong?)
- kkinsky
- · Replies 3 ·
Point of tangency to a circle from a point not on the circle
- purplecows
- · Replies 6 ·
Finding the Dimension of the Union of Subspaces
- AwesomeTrains
- · Replies 2 ·
A tricky trigonometric problem
- sooyong94
- · Replies 9 ·
Summing up binomial coefficients
- utkarshakash
- · Replies 4 ·
Selecting 5 letters from SYLLABUS with repeated letters
- lionely
- · Replies 6 ·
Number of Triangles in a Regular Polygon: Is nC3 the Correct Formula?
- utkarshakash
- · Replies 2 ·
Can a Polynomial be Transformed to Eliminate its Quadratic and Linear Terms?
- Jhenrique
- · Replies 1 ·
Given the Set S ={1,2,3,4}. Define a relation on S that
- knowLittle
- · Replies 14 ·
Arranging Persons in a Row with Constraints
- utkarshakash
- · Replies 3 ·
Is binomial distribution approriate
- aaaa202
- · Replies 1 ·
Can an alien see Earth and Venus simultaneously with 5π/6 radian field of view?
- nothingsus
- · Replies 1 ·