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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Triangle area with base 2¾ and height 4/9
- rcmango
- · Replies 3 ·
Find slope of line, two points on the line are included
- rcmango
- · Replies 2 ·
Using symbols to rewrite the problem and then solve it.
- rcmango
- · Replies 3 ·
What Equation Models a Semi-Elliptical Arch Allowing a Ship to Pass Underneath?
- ZaTaisho
- · Replies 4 ·
Olympiad problems: x^y + y^x = 17 and 16^(2x+y) + 16^(y+2x) = 1
- sambarbarian
- · Replies 8 ·
Probability of 2 sevens before 6 evens
- CAF123
- · Replies 49 ·
Probability that 8 rooks on a chessboard cannot capture each other
- mcafej
- · Replies 2 ·
How to simplify this equation?
- tahayassen
- · Replies 2 ·
How Do You Calculate the Difference in Cardinalities of Sets A and B?
- V0ODO0CH1LD
- · Replies 3 ·
Simple Algebra problem - Solving for 2 of the same unknown
- smaan
- · Replies 2 ·
Prove product of 3 consecutive naturals is even
- Mouse07
- · Replies 4 ·
Radicals equations-negative square root and two radicals
- Coco12
- · Replies 3 ·
Pascals Triangle - Number of Routes on a Grid
- crosby87
- · Replies 3 ·
Finding Equilibrium Price and Quantity for Education at Harvard
- Trizz
- · Replies 1 ·
Pascals Triangle (Checkerboard Question)
- crosby87
- · Replies 8 ·
Simultaneous Equations: Solving for θ with FA and NA
- aaronfue
- · Replies 1 ·
Probability of picking a ball randomly from a group of balls
- logearav
- · Replies 3 ·
Singularity/Invertibility of Matrix Product
- Bipolarity
- · Replies 1 ·
Logarithm question, finding all possible pairs of integers
- trot
- · Replies 6 ·
Finding a limit of a sequence or proving it diverges
- nikolafmf
- · Replies 4 ·
Finding the fuction of rational equations
- skg94
- · Replies 2 ·
Theory of cubic equation question
- lionely
- · Replies 36 ·
Vector Question: 3 dimensions inside a rectangular soild?
- zeion
- · Replies 5 ·
Area of square in spherical geometry
- davon806
- · Replies 1 ·
What is the Probability of the Toronto Maple Leafs Winning a Playoff Series?
- Mouse07
- · Replies 8 ·
Dividing by 2, then 2, then how to do this easily?
- ISX
- · Replies 10 ·
Long Divison and the rule of 78
- Menomena
- · Replies 1 ·
Probability Q about parallel components
- CAF123
- · Replies 5 ·
Number of Paths Using Permutations
- Mandelbroth
- · Replies 1 ·
Can you multiply the double angle forumla?
- musiclover55
- · Replies 2 ·
Can AM-GM inequality prove 2^n > 1+n\sqrt{2^{n-1}} for positive integers?
- utkarshakash
- · Replies 9 ·
What identity is this? (Division to multiplication )
- musiclover55
- · Replies 5 ·
Solving e^(logx²) = 3x - 2 with logarithm base confusion
- Calabi_Yau
- · Replies 7 ·
99.9999% sure the book is wrong about this circumference problem
- ISX
- · Replies 11 ·
NMAT Tricky Math Problem: 3^(n+2)+(3^(n+3)-3^(n+1)) = ?
- myshadow
- · Replies 3 ·
Problem inspired from thermodynamics
- Bipolarity
- · Replies 1 ·
Trig functions cross multiplying?
- musiclover55
- · Replies 1 ·
Simplifying √(1+(2t)²+(2t²)²)
- Mdhiggenz
- · Replies 5 ·
Probability - family of two children
- CAF123
- · Replies 4 ·
Finding gradient of slope involving angle
- Kurokari
- · Replies 3 ·
Solve for trig equation with 2 variables
- sunnybrooke
- · Replies 9 ·
What Is the Probability That Player A Draws the Red Ball First?
- CAF123
- · Replies 7 ·
Hole positions on quarter-circle steel plate with radius 60 cm
- xxwinexx
- · Replies 4 ·
Limit without using de l'hopital
- catapax
- · Replies 4 ·
Solving logarithmic equations with base 4, 2, and 10
- skg94
- · Replies 10 ·
Harmonic Mean of Roots: Solving a Quadratic Equation with Complex Terms
- utkarshakash
- · Replies 3 ·
Solving Limit of log(sin(x))/log(x) without L'Hopital's Rule
- catapax
- · Replies 11 ·
Finding sin2θ when cos θ = 24/25 in quadrant 1
- whittwhitt
- · Replies 2 ·
How do you calculate the sum of r(r+1) from r=0 to 5?
- Nubcake
- · Replies 10 ·
Proving equivalence of two sinusoidal formulas
- xodin
- · Replies 9 ·
Exact Value of Trigonometric Equations
- Sadriam
- · Replies 11 ·
What happens if θ ranges from 0 to 2π in spherical coordinates?
- welatiger
- · Replies 5 ·
Column Space of Matrix A and ref(A)
- lkh1986
- · Replies 1 ·
Is there a specific pattern for the graph of |cos x| between 0 and 2∏?
- lionely
- · Replies 14 ·
Which is Greater for Large n: f(n) = 2^{2^{2^n}} or g(n) = 100^{100^n}?
- converting1
- · Replies 4 ·
Algebra II Trigonometry Circular Functions
- velox_xox
- · Replies 4 ·
When to use vertical and horizontal line tests for injectivity and surjectivity?
- lionely
- · Replies 28 ·
Probability question arranging teams
- mtingt
- · Replies 1 ·
Arc area of a sphere? (a piece of r^2*sinθ*ΔrΔθΔφ)
- JJHK
- · Replies 1 ·
Speed-distance Algebra 1 Problem
- Wolfowitz
- · Replies 6 ·
Understanding the Quadratic Formula: Why the Negative Root is Not Considered
- davon806
- · Replies 3 ·
How Do the Roots of Complex Numbers Vary in Distribution?
- phospho
- · Replies 3 ·
What is the Relationship Between Logarithms and Progressions in Mathematics?
- utkarshakash
- · Replies 5 ·
Prove a,b,c are in arithmetic progression from 25(9a^2+b^2)+9c^2-15(5ab+bc+3ca)=0
- utkarshakash
- · Replies 9 ·
Show 2 of 3 points on a circle are the diameter
- trollcast
- · Replies 13 ·
Trignometric manipulation problem
- Dumbledore211
- · Replies 6 ·
Find the common difference of this A.P.
- utkarshakash
- · Replies 8 ·
Proof That Isometries Preserve Parallel Lines
- bistan
- · Replies 7 ·
Trigonometry- addition and factor forumla
- xiphoid
- · Replies 3 ·
Showing that h(x) = 4 - x² is not surjective onto ℝ
- lionely
- · Replies 21 ·
Using Pythagorean theorem with a diagonal of 4x and two equal sides
- christian0710
- · Replies 2 ·
Progressions and series prove this
- utkarshakash
- · Replies 6 ·
Primary School Logic Problem: Finding Possibilities for Balloon Spots
- benachie
- · Replies 1 ·
How many ways can French and Spanish books be arranged on a shelf?
- mtingt
- · Replies 8 ·
Solving Summations of n.n! Terms
- utkarshakash
- · Replies 3 ·
Find the number of triangles given n lines
- nano Math
- · Replies 9 ·
Proving the Equation a-(-a)=a+b in an Additive Group
- Tyler.Smith
- · Replies 8 ·
Can You Find the Greatest Value Using Only AM-GM Inequality?
- utkarshakash
- · Replies 3 ·
Matrices: Transpose and Inverse
- PotentialE
- · Replies 5 ·
Determine if these are functions
- nicnicman
- · Replies 8 ·
Conic section problem (ellipse)
- V0ODO0CH1LD
- · Replies 3 ·
Solving tg(4x) = 1 for all values of x
- scientifico
- · Replies 1 ·
How to Prove an Inequality Involving Positive Real Numbers?
- utkarshakash
- · Replies 2 ·
Probability that n points lie on one side of a circle
- CAF123
- · Replies 3 ·
Prove that the rᵗʰ term in the nᵗʰ row of Pascal's triangle is nCr.
- karspider
- · Replies 2 ·
Domain of a Function: Real vs Complex Numbers
- davon806
- · Replies 5 ·
Solve 2cos(x)² + 3cos(x) + 1 = 0 for 0 ≤ x ≤ 2π
- KiwiKid
- · Replies 2 ·
Changing the bases of logs question
- lionely
- · Replies 13 ·
Function from Z to N: Onto N but Not One-to-One
- nicnicman
- · Replies 3 ·
Calculate the surface and the angle of the figure below.
- catala
- · Replies 3 ·
Finding distance of point to y-axis.
- V0ODO0CH1LD
- · Replies 4 ·
Factoring the equation z^(n)-1=0 where z is a complex number
- TogoPogo
- · Replies 13 ·
Why Is the Binomial Expansion Only Valid for |a| < 1?
- phospho
- · Replies 3 ·
Proving cos(π/12) and sin(π/12) equal specific expressions
- phospho
- · Replies 8 ·
How do I go from the form sin(6x) to the form A sin(x)?
- essedbl
- · Replies 3 ·
Two circle geometry proofs with parallel chords and diameters
- robobuggg
- · Replies 1 ·
Arithmetic Sequence: Finding the First 3 Terms Using tn= t1+(n-1)d
- Vince604
- · Replies 5 ·
Resolving Forces question applied force and friction force
- engboysclub
- · Replies 1 ·
(log√125 + log √27 - √8)/ log 15 - log 2 = 3/2
- lionely
- · Replies 16 ·
Square of transpose of two matrices
- V0ODO0CH1LD
- · Replies 10 ·