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 Value of Limit Involving Trig. Identity w/o L'hopital Rule
- songoku
- · Replies 8 ·
Evaluating Sum from j=1 to n: i=k
- whatisreality
- · Replies 2 ·
Determining the Period of sin(ax)*cos(bx)
- deusy
- · Replies 9 ·
Finding distance for a given value between vectors
- Lanniakea
- · Replies 4 ·
Proving a couple of lines do not intersect a plane in ℝ4
- JulienB
- · Replies 5 ·
Probability of Poisson event happening twice, consecutively
- cmkluza
- · Replies 5 ·
Random variables (probability)
- TheMathNoob
- · Replies 2 ·
Angle between two vectors (Only by having their lengths)
- Driverfury
- · Replies 6 ·
Confusion about conditional probability
- TheMathNoob
- · Replies 7 ·
Confused about proof of "sin(θ + Φ) = cosθsinΦ + sinθcosΦ"
- JS-Student
- · Replies 3 ·
Complex absolute value inequality
- Steve Turchin
- · Replies 2 ·
Find a line in the rectangle from 0.0 to some point
- TheMathNoob
- · Replies 4 ·
Laws of Exponents: Solve Math Homework Questions
- Meezus
- · Replies 22 ·
Marginal PMG of of 2 random variables with Joint PMF
- whitejac
- · Replies 4 ·
Use of binomial theorem in a sum of binomial coefficients?
- gruba
- · Replies 1 ·
Combinatorial Solution to School Admission Interview Scheduling Problem
- erisedk
- · Replies 16 ·
Permutation Proof: Proving (n+1)nPr=(n+1)P(r+1)
- Pual Black
- · Replies 7 ·
Calculating the roots of a quadratic with complex coefficien
- astrololo
- · Replies 17 ·
Equation solving/solving for x
- Weightofananvil
- · Replies 6 ·
How Do You Solve the Equation 4^(x-1) = 2^x + 8?
- cmkluza
- · Replies 4 ·
Find Equation of Ellipse | Eccentricity 2/3 | (2,0) Focus & x+y=0 Directrix
- Yatin
- · Replies 4 ·
Determine the value of B and C of a function
- bbsamson
- · Replies 4 ·
Understanding Probability and Observations in Statistics
- Callix
- · Replies 7 ·
How do I solve the equation e^(2x)-2=e^x?
- Jaco Viljoen
- · Replies 8 ·
Combinatorics / Probability ( checking my answer)
- Matejxx1
- · Replies 4 ·
Iterations in the Euclidean algorithm
- Panphobia
- · Replies 5 ·
What is the domain for solving the equation √(5+x)-x=3 and writing down D(g)?
- Jaco Viljoen
- · Replies 14 ·
Arithmetic progression. find p.
- tesha
- · Replies 4 ·
How Do You Solve the Inequality 6x^2+5x < 4?
- Jaco Viljoen
- · Replies 4 ·
Proof by Induction: Proving Sum Equation for n ∈ N
- gruba
- · Replies 7 ·
Linear combination and orthogonality
- JulienB
- · Replies 12 ·
Determine components of a vector without knowing the angle
- JulienB
- · Replies 17 ·
Missing a step in the proof of the BAC-CAB rule
- JulienB
- · Replies 2 ·
Solving Logarithms: Discovering the Unknown Variable in Log_a (100)
- Luis Melo
- · Replies 3 ·
Probablity Problem 1.3 From Statistical and Thermal Physics, Reif
- thenewsteven
- · Replies 12 ·
What is the Equation for Combinations with Repetition in Combinatorics?
- iScience
- · Replies 5 ·
Polynomial Inequality Homework: Solving without Technology | Remainder Theorem
- Ethan_Tab
- · Replies 2 ·
Finding a function that goes through given points
- iScience
- · Replies 2 ·
Efficiently Solving a System of Equations for Physics Problems
- Frank Einstein
- · Replies 5 ·
How do I solve absolute value inequalities involving polynomials?
- moondaaay
- · Replies 5 ·
Solve Quadratic Inequality: x²-4x+3≤(3x+5)(2x-3)
- moondaaay
- · Replies 1 ·
How Do You Calculate the Distance Between Adjacent Numbers on a Clock Face?
- chaoseverlasting
- · Replies 2 ·
What Is the Yearly Growth Rate for a 40% Increase Over Three Years?
- HaLAA
- · Replies 8 ·
Rewrite an even of N series as a function of N
- Calpalned
- · Replies 4 ·
Arbitrary array of numbers, proof
- Daltohn
- · Replies 7 ·
Geophyics equation, order of operation
- Adam_9333
- · Replies 4 ·
Solve Supermarket Special Offer: $0.30 Reduction Price
- icystrike
- · Replies 3 ·
Lapse rate, dry adiabats, moist adiabats
- TheMathNoob
- · Replies 5 ·
Proving 2n ≤ 2^n for All Positive Integers n
- The Subject
- · Replies 11 ·
Uncertainty Calculation for 6mV Input on Linear Force Measuring Device
- pinkcashmere
- · Replies 1 ·
Solve for x: 2^3+2^3+2^3+2^3=2^x
- LogarithmLuke
- · Replies 3 ·
Converting nanometres and microns to millimetres
- Cliff Hanley
- · Replies 3 ·
Probability and Events (I don't quite understan the answer)
- Matejxx1
- · Replies 3 ·
One solution to Trig Function, but what about the other(s)?
- Ocata
- · Replies 7 ·
Expectation of a function of a continuous random variable
- whitejac
- · Replies 17 ·
Is there a simpler way to solve this Venn diagram algebra problem?
- chris2020
- · Replies 3 ·
Probability of No Mixed-Sex Rooms with 40 Randomly Assigned People
- davon806
- · Replies 12 ·
Conditional PDF question -- I think anyway....
- whitejac
- · Replies 23 ·
How Much Does Each Golf Ball Cost in This Algebra Problem?
- ProjectTruth
- · Replies 4 ·
How to find the vector between two points given in spherical coordinates?
- azizlwl
- · Replies 8 ·
Calculating Earth's Temperature Change from Increased Solar Constant
- TheMathNoob
- · Replies 8 ·
Solve Simple Trig Problem: cosx - cosx*sinx = 1/3
- Mddrill
- · Replies 2 ·
Proving the Existence of a Midpoint on Every Segment | Segment Midpoint Theorem
- Bashyboy
- · Replies 4 ·
Problems about energy and dimension (checking my solutions)
- TheMathNoob
- · Replies 5 ·
Finding angles of a parallelogram.
- tiggertime
- · Replies 5 ·
Prove there is a perfect square between n and 2n
- Panphobia
- · Replies 24 ·
Winning the Weekly Sports Club Draw
- icystrike
- · Replies 4 ·
How many solutions does the equation have?
- terryds
- · Replies 6 ·
Solve "Logic" Questions: Is Jed Right?
- icystrike
- · Replies 3 ·
Unit Conversion of CO Concentration in Basement to Micro-gram/m^3
- saructk
- · Replies 1 ·
What is the Impact of a Local Tourism Tax on Customer Satisfaction?
- HaLAA
- · Replies 12 ·
What is the Inverse Cosine of a Squared Angle?
- Mechaman
- · Replies 5 ·
'And' means 'Multiply' and 'Or' means 'Add'?
- ajay.05
- · Replies 7 ·
Unit Vector Perp. to a: Solving Problem
- WeiLoong
- · Replies 2 ·
Adding Degrees Minutes Seconds
- coolguy16
- · Replies 3 ·
PDF's: Binomial Formula or Pascal's Formula
- whitejac
- · Replies 5 ·
Is It Possible to Prove Logarithms Using Equations?
- TheMathNoob
- · Replies 7 ·
What is the percentage of young people with psychosis due to cannabis use?
- icystrike
- · Replies 4 ·
Factoring Cosine: Get Help Solving the Problem
- Mechaman
- · Replies 1 ·
How Can Students Be Arranged into Groups with Set Sizes?
- Matejxx1
- · Replies 12 ·
Quadratic Inequality: Solving for x | No Quotes
- icystrike
- · Replies 4 ·
Find the n value of a function
- chwala
- · Replies 23 ·
Parametrization of implicit curve
- nuuskur
- · Replies 3 ·
What is the Complex Angle for 2√(3)-2i?
- guyttt
- · Replies 4 ·
How can the absolute value of x be negative?
- Joseph1739
- · Replies 7 ·
Solve Double Cross Product Problem in $\mathbb{R}^3$
- geoffrey159
- · Replies 5 ·
Need clarification on sig-figs and propagation of error.
- Ian Mount
- · Replies 5 ·
Inequalities in Normal Distributions
- Cpt Qwark
- · Replies 2 ·
Area of triangle on sphere problem.
- toughcanesrock
- · Replies 7 ·
Binary search math, log base 2 (n) issues
- ducmod
- · Replies 9 ·
Binary search tree, number of nodes formula
- ducmod
- · Replies 2 ·
Solve Limit Problem: SQRT(-2)/(4-x) as x Approaches 4
- Niaboc67
- · Replies 5 ·
Rational exponents (was: Math Discussion)
- goolalklk
- · Replies 5 ·
How to know if this irrational function has no asymptotes?
- Jeanclaud
- · Replies 7 ·
Calculating Inverse Functions for Hourly Salary and Production Units
- Unichoran
- · Replies 6 ·
What are the Asymptotes of (X-5)/(X^2+X-6)?
- theo12349
- · Replies 9 ·
Grade 12 Math (inverse of functions)
- Ethan_Tab
- · Replies 2 ·
Transition Matrices - Worded Problem
- mathsashelp
- · Replies 3 ·
Number Theory: Difference of Perfect Squares
- S.R
- · Replies 14 ·
Combinatorics question: Identical/nonidentical
- fignewtons
- · Replies 3 ·