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 many different card arrangements exclude inner cards at the ends?
- Elbobo
- · Replies 1 ·
Finding relative coordinates of a vector
- war485
- · Replies 3 ·
What is the Volume to Surface Area Ratio of a Sphere?
- scupydog
- · Replies 2 ·
Very Simple exponential growth problem
- lmlgrey
- · Replies 3 ·
Does rearranging rows preserve orthogonality, and when is det(A) = ±1?
- war485
- · Replies 5 ·
Scalar multiplication and cross product: which operation first?
- salman213
- · Replies 1 ·
Island Dilemma: Choosing the Right Path Based on One Question
- forgingiron
- · Replies 3 ·
Linear Algebra (Abstract impossible combination question)
- xdanizzlex
- · Replies 4 ·
Difference between 2 equations in percentage
- FrostScYthe
- · Replies 3 ·
Solving 2log₃x + log₃(x-1) = log₃2 + log₃6x for x
- chops369
- · Replies 4 ·
Laplace and Fourier integral transforms with examples and comparison
- sahar1978
- · Replies 2 ·
Finding the rate with T=1/r ln (rR/C + 1) ?
- rought
- · Replies 2 ·
Calculating Wind Speed for Toronto to Montreal Flight
- chengbin
- · Replies 5 ·
Why can't I use 1 - P(both score) for P(both miss)?
- Inertialforce
- · Replies 2 ·
Finding the error in this homework problem
- -EquinoX-
- · Replies 5 ·
Finding modulus and argument of a complex number
- choob
- · Replies 4 ·
From point A to point B, basic algebra.
- calisoca
- · Replies 5 ·
What is the probability that candidate A wins the election?
- Inertialforce
- · Replies 8 ·
Integral of x/(1+x²) with constant factor
- Appa
- · Replies 7 ·
Solving 12^x = 4.8^(2x) with different bases
- Mentallic
- · Replies 3 ·
Proving the induction step for sum 1·3¹ + 2·3² + ... + n·3ⁿ
- james.farrow
- · Replies 2 ·
Solve Exponential Variable Equations with Logarithms
- Mentallic
- · Replies 2 ·
Probabilities: The mean of the square
- Niles
- · Replies 2 ·
How to solve 3 = log2x 64
- Faint
- · Replies 4 ·
Prove that tan2x - sin2x = tan2x·sin2x
- Faint
- · Replies 12 ·
What do the subscript i and summations mean in this weighted average formula?
- havinnoj
- · Replies 5 ·
Can you solve for six variables given their weighted sum equals 100?
- mirmidonas55
- · Replies 2 ·
Reflecting points across y = x+c and y = -x+c
- blafu
- · Replies 2 ·
How Do You Input Trig Functions into a Graphing Calculator?
- 312213
- · Replies 8 ·
Advanced Algebra, factor and simplify
- pooker
- · Replies 6 ·
Parabola equation for volleyball serve trajectory
- Blueberry91
- · Replies 3 ·
Right Triangles within a right triangle. (Trig)
- LordofDirT
- · Replies 8 ·
Find Side Lengths of an Isosceles Triangle
- pcandrepair
- · Replies 3 ·
Probability of being equally likely
- Inertialforce
- · Replies 3 ·
Various Problems for Precalculus Exam, Unit 3
- jacksonpeeble
- · Replies 4 ·
How to Solve for x or y in a Horizontal Tangent Problem?
- brambleberry
- · Replies 3 ·
Implicit differentitaion and finding coordinates
- brambleberry
- · Replies 3 ·
Can the Sum of Two Sums be Substituted in a Function?
- Niles
- · Replies 4 ·
Derivative of e^y: Solving w/ Chain Rule
- brambleberry
- · Replies 2 ·
Derivative of the square root of xy
- brambleberry
- · Replies 2 ·
Various Problems for Precalculus Exam, Unit 2
- jacksonpeeble
- · Replies 4 ·
Linear Algebra Proofs for A^2=0 and p(A^2)<p(A)
- Anatolyz
- · Replies 1 ·
Calculating Average Velocity of Dropped Bolt From High-Rise Building
- Draggu
- · Replies 1 ·
Simplifying logarithmic expressions with products and powers
- MadmanMurray
- · Replies 13 ·
Finding all integer solutions to 3(x+y)-xy=0
- Peter159
- · Replies 5 ·
Solving cos²θ = 1/2 when you have a squared trig function
- MadmanMurray
- · Replies 8 ·
How Do I Solve for x and y Using Simultaneous Equations?
- MadmanMurray
- · Replies 4 ·
Couple of algebra questions I'm struggling with
- MadmanMurray
- · Replies 5 ·
Standard deviation of weighted data
- MadmanMurray
- · Replies 4 ·
What is the probability that the first toss was the tail?
- tictac123
- · Replies 6 ·
Recognizing a power series as a Bessel function
- kingturtle
- · Replies 8 ·
Why Does p+q Equal Zero in a Special Quadratic Equation?
- requal
- · Replies 1 ·
Three CAT exam problems: digit game, silver coins, and inequality
- msg_1989
- · Replies 2 ·
Testing Point (5,4) in Triangle with 3 Given Points (1,2), (4,6), and (9,10)
- forty
- · Replies 3 ·
Finding positions and distances between Erik and the ferry over time
- PhysicslyDSBL
- · Replies 2 ·
Prove that the inverse of an integer matrix is also an integer matrix
- bigevil
- · Replies 7 ·
Solving partial fraction decomposition equation for C
- undertoes
- · Replies 15 ·
Solving Isosceles Triangle with Perimeter 17: Integers as Sides
- Дьявол
- · Replies 4 ·
Is Z a Noetherian Z-Module?
- norajill
- · Replies 1 ·
Finding length of a complex number
- Niles
- · Replies 2 ·
Hardest level SAT math problem
- shotgunbob
- · Replies 7 ·
Limit of (√x - 3)/(x - 9) as x approaches 9
- chemic_23
- · Replies 3 ·
Studying for math test - A few things I dont understand
- MadmanMurray
- · Replies 1 ·
Find a Bijection [tex]\left[ 0,1 \right] \rightarrow \Re [/tex]
- rosh300
- · Replies 4 ·
How to Complete the Square: Walkthroughs for Finding Vertex and X-Intercepts
- schlynn
- · Replies 3 ·
Solving quadratic inequalities with greater than signs
- Sekonda
- · Replies 7 ·
Short yet confusing log equation
- MadmanMurray
- · Replies 4 ·
How Do You Solve 4^(x-1) = 1/32 Using Laws of Indices?
- MadmanMurray
- · Replies 3 ·
Sesquipedalian chickens laying eggs at 1.5x rate
- bliss
- · Replies 17 ·
Mean value of dice rolls as a function of time
- Niles
- · Replies 2 ·
Elementary probability problem
- Elbobo
- · Replies 2 ·
Various Problems for Precalculus Exam, Unit 1
- jacksonpeeble
- · Replies 8 ·
What is the largest poker bet that cannot be made?
- Ed Aboud
- · Replies 3 ·
Radius and axial distance of a uniform helix
- otobo
- · Replies 1 ·
Polar coordinates (trig question)
- Oxygenate
- · Replies 5 ·
Permutations vs. Combinations: What's the Difference?
- DecayProduct
- · Replies 6 ·
Solving z³ + 8 = 0 over the complex numbers
- missmerisha
- · Replies 4 ·
Expressing Vector Values in Terms of a, b, and c
- tweety1234
- · Replies 5 ·
Finding vertex of h(x) after translation and y-axis reflection
- Senjai
- · Replies 4 ·
Translations math problem (gr 12 level)
- Senjai
- · Replies 4 ·
Solve Sequences and Series: Total Distance 480m
- locked.on
- · Replies 2 ·
Solving Factorial Algebra: P(n, 4) = 40[P(n-1, 2)]
- DecayProduct
- · Replies 3 ·
Is the Phase of a Complex Number Always Taken with Respect to the Real Axis?
- Niles
- · Replies 2 ·
Prove whether Cross-Product is associative
- Saladsamurai
- · Replies 5 ·
Spectral Decomposition of Linear Operator T
- MathIdiot
- · Replies 1 ·
Understanding Symmetric Matrix Properties: A Puzzling Example
- dirk_mec1
- · Replies 1 ·
Error Analysis of Experiment Data: Calculating Percentage and Absolute Error
- nrslmz
- · Replies 1 ·
How can the sum of combinations be solved for the given problem?
- gumi_kr
- · Replies 14 ·
Using period to find the equation of a function
- lostcompass
- · Replies 5 ·
Does "round to 4 digits" mean significant figures or decimal places?
- Gwilim
- · Replies 8 ·
Normal Distribution and High Jumping Heights: Probability and Standard Deviation
- thomas49th
- · Replies 2 ·
Even, Odd,or Neither Odd or Even Function
- albert2008
- · Replies 4 ·
Are vectors (1,2,0), (2,1,3), (0,3,-3) linearly independent?
- Lynne
- · Replies 5 ·
Simple equation solving (I think)
- tachu101
- · Replies 5 ·
4-Digit Different Digit Patterns - 4536
- DecayProduct
- · Replies 4 ·
Simple distance traveled problem
- Elbobo
- · Replies 2 ·
Find x Given Remainders: Number Theory Problem and Solution
- ismaili
- · Replies 1 ·
Limit of a function with absolute value of polynomial in a quotient
- UNknown 2010
- · Replies 3 ·
Does a circle overlap a square?
- TDC-Studio
- · Replies 2 ·
Trigonometric functions - angular measures and tangent curves
- fp252
- · Replies 6 ·