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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Projection of a 1.5m tall, 2m wide shade onto the ground at 60°
- unknown101
- · Replies 5 ·
Finding Points of Intersection by Substitution
- themadhatter1
- · Replies 5 ·
Proving a/b < (a+1)/(b+1) when a < b
- John H
- · Replies 3 ·
Spanning Sets in R3: Determine Vectors
- TaliskerBA
- · Replies 2 ·
Finding 2 tan²A + sin²A - 1 given sin A = cos A
- 1/2"
- · Replies 7 ·
What is the Probability of Getting 16 Yes Answers in a Small Population Survey?
- moonman239
- · Replies 1 ·
Effect of Non-Circular Orbits on Trigonometry Word Problems
- k_dee
- · Replies 3 ·
Graphing a Rotated Conic on a Graphing Calculator
- themadhatter1
- · Replies 4 ·
Fairly simple trig question concerning calculus tools
- Asphyxiated
- · Replies 5 ·
Height of 1893 Ferris wheel seat at 125 feet
- urthatarget
- · Replies 1 ·
Relationship between two random variables having same expectation
- omaradib
- · Replies 1 ·
Rotate Parabola: Eliminate xy-Term
- themadhatter1
- · Replies 4 ·
Calculating Heights on the Ferris Wheel
- urthatarget
- · Replies 2 ·
Proving PS/PQ = TX/XR in ΔPQR with Parallel Lines
- harimakenji
- · Replies 3 ·
Finding the Angle: Solving Trig Problems on the Ferris Wheel
- urthatarget
- · Replies 1 ·
Rotate Hyperbola: Sketch Graph of xy-2y-4x=0
- themadhatter1
- · Replies 2 ·
Solving a determinant to give it's factors
- nirajnishad
- · Replies 4 ·
Finding Volume of Cylinder Containing Sphere
- DanialD
- · Replies 3 ·
How Can Pi Be Approximated Using a Coin and a Grid?
- themadhatter1
- · Replies 24 ·
How do I find the equation of a hyperbola with given foci and asymptotes?
- themadhatter1
- · Replies 2 ·
Prove the identity (tan x + sec x - 1)/(tan x - sec x + 1) = tan x + sec x
- klmathlover
- · Replies 7 ·
Numeric result for an integral solution to pi
- Danimel
- · Replies 7 ·
Solving Solids of Revolution: Cylinder vs Function of Y
- Telemachus
- · Replies 3 ·
Domain/Range for Inv. Functions
- wvcaudill2
- · Replies 9 ·
Finding q when f(x) has equal remainders for divisors x+1 and x-2
- DanialD
- · Replies 3 ·
Solve Quadratic Equation: 2x^2 - 3ax - 3bx + a^2 + b^2 + 2ab = 0
- Cycloned
- · Replies 4 ·
Sum of squares equation problem
- The legend
- · Replies 9 ·
Finding x and y in terms of a and b from two radical equations
- The legend
- · Replies 7 ·
Finding contract specification for towel length with normal distribution
- cyt91
- · Replies 4 ·
Integral with bisquare function
- player1_1_1
- · Replies 3 ·
Calculating Poisson Probability for Car Rental Income
- thereddevils
- · Replies 2 ·
How can the inequality problem be solved for 1.8^n/n! < 0.201?
- thereddevils
- · Replies 6 ·
For each positive integer n, let T(n) be the number of triangles with
- PinkCrayon
- · Replies 2 ·
Binomial sequence and graph display
- physics.alex
- · Replies 19 ·
Why is the limit at x=0 equal to zero in this calculus problem?
- SimpliciusH
- · Replies 4 ·
Dividing 8 teachers among 4 schools with staff and teaching limits
- yitriana
- · Replies 1 ·
How does 1+p+p²/2!+p³/3!+... equal e^p?
- thereddevils
- · Replies 3 ·
Probability student exam problem
- themadhatter1
- · Replies 5 ·
What Is the Correct Approach to Approximate 1.58800 - (1.5402 sqrt(-1))?
- dami
- · Replies 3 ·
Finding Y1 on the TI-83 Plus Calculator for Linear Regression
- majormuss
- · Replies 1 ·
How to Use Maclaurin Expansion to Find e Correct to Four Decimal Places?
- pat666
- · Replies 1 ·
How Can You Factor the Trigonometric Expression sin^3(x)-cos^3(x)?
- xCycLoNeX
- · Replies 3 ·
Find area of a rectangle if length is given
- tayross
- · Replies 3 ·
Solving for n in Permutation Equations
- themadhatter1
- · Replies 7 ·
Inequality Mathematical Induction
- themadhatter1
- · Replies 5 ·
Proving the Formula Using Mathematical Induction
- themadhatter1
- · Replies 7 ·
Why does cos θ become 0 for π/r radians?
- land_of_ice
- · Replies 1 ·
Find Sin(P + Q) from 2 equations
- bigmac
- · Replies 1 ·
Object sliding down incline plane reaching point on circle
- Huckle
- · Replies 9 ·
Rational Representation of a Repeating Decimal
- themadhatter1
- · Replies 6 ·
Finding Solutions to 4x + 60/x = 40 by Drawing a Suitable Line
- tgpnlyt7095
- · Replies 7 ·
Write equation of translated graph in general form
- wvcaudill2
- · Replies 7 ·
Quadratic Equations - How to solve this
- thereddevils
- · Replies 21 ·
Why Does My Graph Cross the Horizontal Asymptote y=1?
- Immutef
- · Replies 3 ·
What are the prime numbers that satisfy k²=n³+1 when n is not a prime number?
- TrifidBlue
- · Replies 9 ·
How can I solve a polynomial problem without using a calculator?
- danago
- · Replies 9 ·
Find Determinant of 4x4 Matrix: Problem Solved
- themadhatter1
- · Replies 3 ·
Cumulative Frequency Homework: Solving (a) and (b)
- cyt91
- · Replies 1 ·
Variance of Linear combination of random variable
- giddy
- · Replies 16 ·
Analysis necessary to reduce the concentration of PCBs
- jingjang
- · Replies 3 ·
Finding f(A) Using Matrix Capabilities
- themadhatter1
- · Replies 8 ·
Exponential Equation: Solve 4x+7=18
- DTA
- · Replies 6 ·
Writing system of equations for loan interest and mixture problems
- themadhatter1
- · Replies 3 ·
Radius of an Arc Inside an Arc
- IBY
- · Replies 12 ·
Minimum test score to qualify for competitive examination
- moonman239
- · Replies 1 ·
Simplifying Trigonometric Identities
- yaseen shah
- · Replies 11 ·
Partial Fraction Decomposition #3
- themadhatter1
- · Replies 2 ·
Trigonometric identities problem
- angelcase
- · Replies 8 ·
Evaluating/Solving Logarithmic expressions/equations
- wvcaudill2
- · Replies 10 ·
Partial Fraction Decomposition #2
- themadhatter1
- · Replies 14 ·
Partial fraction decomposition of (4x²+2x-1)/(x²(x+1))
- themadhatter1
- · Replies 7 ·
Solving f(x+a)=f(x^2+a) for x with a linear function
- CBrent
- · Replies 2 ·
Basic algebra responsible for brain fart
- MurdocJensen
- · Replies 7 ·
How can I solve this Least Squares Regression problem?
- themadhatter1
- · Replies 10 ·
How to solve what should be a simple variant of a quadratic
- Justin R
- · Replies 2 ·
How to Solve a System of Equations Without Using Matrices?
- themadhatter1
- · Replies 3 ·
Understanding Affine Space: Uses in Physics
- ber70
- · Replies 2 ·
Reflect a ball off a circle by rotating the path endpoint
- jrs8719
- · Replies 2 ·
Need to find the volume of a rounded cube.
- alf_garnett
- · Replies 6 ·
Referring to professors in papers
- broean01
- · Replies 1 ·
Problem involving productivity
- pc2-brazil
- · Replies 2 ·
Solving nonlinear systems with variables multiplied together and to higher powers
- Markel
- · Replies 12 ·
Solving "2(sinA+cosB)sinB=3-cosB" Trig Problem
- romsofia
- · Replies 3 ·
Finding the Tangent of an Angle Between Vectors Using the Dot Product
- thereddevils
- · Replies 7 ·
How to graph a function by transforming a graph of a function form?
- frozenbananas
- · Replies 5 ·
Probability of (not) distinguish signal
- dperkovic
- · Replies 1 ·
How to Calculate Standard Deviation for Defective Bolts?
- moonman239
- · Replies 3 ·
What Is the Probability of Drawing a Four-of-a-Kind in a Five-Card Poker Hand?
- tennishaha
- · Replies 1 ·
How do I find the domain of a composite function?
- frozenbananas
- · Replies 3 ·
The effect of modulus in the graph of a linear equation.
- sharkey1314
- · Replies 6 ·
Derivative of x*sqrt[x/(2-x)] - Solving for the Correct Answer
- hanelliot
- · Replies 5 ·
Is 0.541r a Simple Fraction or Radian Measure?
- Gringo123
- · Replies 8 ·
Prove y^5+y^2-7y+5≥0 for y≥1
- evagelos
- · Replies 11 ·
Can Swapping Wine and Water Equalize Their Amounts in Two Glasses?
- Jamin2112
- · Replies 2 ·
Proving boundedness of sums and products of functions
- Jamin2112
- · Replies 4 ·
How Many Ways to Form a 3-Digit Number from {0,1,2,3,4,5} Without Repetition?
- majormuss
- · Replies 4 ·
Maths problem(mechanics-friction)
- jinx007
- · Replies 1 ·
Mean, median, Mode, standard deviation and 10th and 90th percentiles
- pinnacleprouk
- · Replies 1 ·
Prove Irrationality of \sqrt{3}, \sqrt{5}, \sqrt{6} and 2^1/3, 3^1/3
- zooxanthellae
- · Replies 9 ·