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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Find g(3) if f(g(x))=f(x)·g(x) and g(2)=37
- Saitama
- · Replies 21 ·
How Do You Find Alternate Polar Coordinates with Different Signs for R?
- stunner5000pt
- · Replies 20 ·
Finding two angles in a triangle when one angle is known
- k_poorahong
- · Replies 1 ·
Does modular arithmetic have different rules for different cases?
- Bipolarity
- · Replies 1 ·
Proving something involving real polynomials
- Whovian
- · Replies 2 ·
Proving trignometric identities.
- Matriculator
- · Replies 3 ·
Unsolvable tripology equation?
- Andrax
- · Replies 13 ·
Factoring (x-1)(x+2)² - (x-1)²(x+2) completely
- ForwardDrift
- · Replies 4 ·
Log Identity Proofs: Simplifying a^{log_{b}(c)}=c^{log_{b}(a)}
- K29
- · Replies 2 ·
Solvability of a certain equation
- Bipolarity
- · Replies 5 ·
Percentage and probability problem
- reenmachine
- · Replies 19 ·
Domain and Range of this function
- Ace.
- · Replies 9 ·
Finding the angle from sin(2 theta)=0.348
- maiad
- · Replies 1 ·
Will a rectangular truck fit into a half circle formed tunnel when
- gocuriosity
- · Replies 3 ·
Factoring Polynomials Using Synthetic Division
- kenny1999
- · Replies 2 ·
Annuity investment, find future value
- pbonnie
- · Replies 6 ·
Find k such that HCF of f(x) and f(x+k) is linear
- kenny1999
- · Replies 7 ·
How Do You Solve a Biquadratic Equation with Mixed Roots?
- Monsterboy
- · Replies 9 ·
Compound interest with different payment and compounding frequencies
- pbonnie
- · Replies 4 ·
Probability of contracting an STD in 4 sexual encounters
- helpmeplzzz
- · Replies 1 ·
Understanding Factorials and Multiplying by an Integer
- sandy.bridge
- · Replies 10 ·
How are the angles in the chordal quadrilateral problem related?
- tomkoolen
- · Replies 1 ·
A plane contains the point A(3, 1, 2) and the vectors u = [-1, 3, 4]
- NATURE.M
- · Replies 3 ·
How do i factor cubic trinomials?
- supernova1203
- · Replies 9 ·
Finding the nth term of 1-1/2+1/4-1/8+
- jackscholar
- · Replies 2 ·
Integer Solutions to Linear Systems
- s2huang
- · Replies 3 ·
Finding the equation of a hyperbola given certain conditions
- supermiedos
- · Replies 4 ·
Simplifying tan(2*arctan(-y/50)) with trig identities
- Bluskyz
- · Replies 4 ·
Solve log₄ x = 1 + log₂ 2x using change of base
- lionely
- · Replies 10 ·
Calculate the area of the circle
- Saeed.z
- · Replies 5 ·
Proving a number with zeros at positions 10^n is irrational
- vio
- · Replies 5 ·
Probability Question - Exponential Distribution
- GreenPrint
- · Replies 2 ·
Arithmetic and Geometric Series (tortoise and the hare)
- pbonnie
- · Replies 4 ·
Proofs involving square roots, even numbers, and multiples of 6
- setvectorgroup
- · Replies 9 ·
Find parametric representation for the plane
- dan38
- · Replies 5 ·
Write parametric and symmetric equation for the z-axis
- NATURE.M
- · Replies 10 ·
How to Write (x+3)*|x-2| as a Piecewise Function?
- Bostonpancake0
- · Replies 3 ·
How to Solve for Unknown Variable in ln Equation?
- Fluidman117
- · Replies 1 ·
How to prove a matrix represents a rotation about the origin
- Michael_Light
- · Replies 2 ·
Determine Sign of Half-Angle Identities
- rhoadsy74
- · Replies 10 ·
Horizontal stretch of ln(x) by factor k equivalent to what shift
- andrewkg
- · Replies 5 ·
What is the length of tangent AB in a geometry problem?
- thunderhadron
- · Replies 5 ·
Factoring in terms of a variable
- GreatEscapist
- · Replies 4 ·
Find equations of the plane (confirmation).
- NATURE.M
- · Replies 4 ·
Simplifying a cosine + cosine with conjugate denominators
- luckyduck
- · Replies 4 ·
Prove the trigonometric identity
- pbonnie
- · Replies 16 ·
Work done by force vector 2i - 5j + k from (3,3,1) to (1,2,4)
- dan38
- · Replies 3 ·
Finding the largest value of √((x-20)(y-x))+√((140-y)(20-x))+√((x-y)(y-140))
- Saitama
- · Replies 21 ·
How to re-write this expression?
- kaffekjele
- · Replies 3 ·
Summation of Powers of Two Mod N equivalence to # of odd residues
- Floating Info
- · Replies 5 ·
What are Factorials, Permutations, and Combinations?
- 939
- · Replies 3 ·
Solve Probability Question: Expected Values of Odd/Even Integers
- GreenPrint
- · Replies 2 ·
Binary Addition and Carrying: How to Multiply 111x111
- Drao92
- · Replies 4 ·
Longitude problem on a Terrestrial Sphere
- Equilibrium
- · Replies 2 ·
Linear Algebra, Cramers Rule - Solving for unknowns in a matrix
- johnstobbart
- · Replies 3 ·
Finding radius of circleWhat is the formula for finding the radius of a circle?
- Saitama
- · Replies 5 ·
Simplify Trigonometric Expression
- pbonnie
- · Replies 5 ·
How to Solve for θ When tan(θ) = 1 ± √2?
- phospho
- · Replies 1 ·
Proving tan2A = 2tanA/1-tan^2A: A Trig Identity Example
- TheRedDevil18
- · Replies 1 ·
Validity of Implication Arguments in Movie Reviews
- setvectorgroup
- · Replies 2 ·
Check this definition of a subset
- setvectorgroup
- · Replies 2 ·
What are the missing angles in this geometry problem?
- Ellieman
- · Replies 7 ·
Inclusion-Exclusion Principle (Probability) - Bonferroni inequalities
- icystrike
- · Replies 6 ·
Reflecting 1/x in y-axis then translating 3/4 right and 2 up
- nothingsus
- · Replies 2 ·
How do I find the x and y intercepts using fractions in this equation?
- uperkurk
- · Replies 12 ·
Matrix question. ACA-AB=0. What's C?
- qwerty12345
- · Replies 6 ·
Expected value and variance of equally spaced discrete distribution
- GreenPrint
- · Replies 5 ·
Proof/Show with polynomials under the radical
- miniradman
- · Replies 4 ·
Check if the statement is true (algebraic)
- Zems
- · Replies 2 ·
How to rewrite x/ (x-2) > 2 in the form P(x)/ Q(x) > 0?
- elmosworld403
- · Replies 3 ·
Solving absolute value inequality |4-2x|>8 with interval notation
- elmosworld403
- · Replies 4 ·
Couple of questions about sets
- setvectorgroup
- · Replies 10 ·
How Does Repeated Squaring Simplify Calculating Powers Modulo a Number?
- ArcanaNoir
- · Replies 11 ·
Find the vector, parametric, symmetric equations of a line
- NATURE.M
- · Replies 5 ·
Probability Question - Ball Urn Problem
- GreenPrint
- · Replies 7 ·
Find lengths of triange sides using trig calculations
- pbonnie
- · Replies 18 ·
What is the probability of getting a sum of 10 when rolling two unfair dice?
- Saitama
- · Replies 2 ·
Solving Quadratic Eqn for Symbolic Complex Eqn
- WesleyJA81
- · Replies 3 ·
Angle on coordinate axis, related acute angle
- pbonnie
- · Replies 12 ·
Measures of Variability/Central Tendency For Certain Categories
- Soaring Crane
- · Replies 2 ·
Is There a Combinatorial Identity for This Curious Equation?
- icystrike
- · Replies 2 ·
Simplifying and solving surds with two variables
- miniradman
- · Replies 2 ·
Compute angles, trignometry/pre-calc?
- Matriculator
- · Replies 6 ·
How do I simplify fractions with exponents?
- Aerospace93
- · Replies 3 ·
Solving 3^(2x) - 5(3^x) = -6
- S.R
- · Replies 9 ·
Cubic polynomial unable to be factored nicely
- anniecvc
- · Replies 1 ·
Carmichael Numbers: Prove Product of Primes is a Carmichael Number
- ArcanaNoir
- · Replies 5 ·
Finding the sum of 1/(1·3) + 1/(3·6) + 1/(6·10) + 1/(10·15) +
- vishnu manoj
- · Replies 9 ·
How Does the Quadratic Function Model Smooth Transitions in Highway Design?
- lionely
- · Replies 5 ·
Simplifying Additive Exponential Terms
- edge333
- · Replies 1 ·
Looking for a Counterexample to show that a PowerSet is False
- Topgun_68
- · Replies 24 ·
Solving sen(2x)·sen(x) = sen(4x)·sen(3x) using product-to-sum identities
- scientifico
- · Replies 9 ·
Solving Word Problem Logs with Population of Deer Increase from 800 to 1800
- Taylor_1989
- · Replies 13 ·
Exponential Variable and Logarithms
- jsully
- · Replies 7 ·
How Do You Isolate x in a Natural Logarithm Equation?
- buzzingbee
- · Replies 2 ·
Solving 0.0001x³ - 0.0409x² + 4.6716x + 280.32 = 0
- aziqbal
- · Replies 28 ·
Solving for R2 in v1/v2 = R2/R1+R2 Equation
- simpComp
- · Replies 9 ·
Geometry: Triangle with a Circumscribed and Inscribed Circle
- Mathmaniac123
- · Replies 6 ·
Statistical Combinations/Permutations
- Big-Daddy
- · Replies 4 ·
Is Sin^2(a) Equal to Sin^2(b) + Sin^2(c) Only in a Right Triangle at A?
- Andrax
- · Replies 5 ·