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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Proving Euler Equations and Solving Complex Numbers in Signal and Systems Course
- dervast
- · Replies 9 ·
What Are the Probabilities of Different Dice Combinations in a Single Roll?
- Susan0814
- · Replies 1 ·
Counting Digit 5 Occurrences 0-1000
- f(x)
- · Replies 3 ·
Two circles tangent to each other and a semicircle with diameter 8
- Izzhov
- · Replies 2 ·
Accuracy of HIV test - probability
- DannyCov
- · Replies 3 ·
How do you prove the inequality (a^3+b^3)(a^2-ab+b^2) <= a^5+b^5?
- siddharthmishra19
- · Replies 4 ·
Can \cos(\theta-\lambda) Be Used to Show Sin C in Addition Formula/Sine Rule?
- r_maths
- · Replies 5 ·
Solving 2log₅X/log₅3 - log₅Y = 2 for Y
- i-love-physics
- · Replies 1 ·
Derivative of y = sin²x using the chain rule
- hummer
- · Replies 4 ·
What is the Moment of Inertia for a Rectangle?
- rcmango
- · Replies 5 ·
Radical simplification question
- i-love-physics
- · Replies 11 ·
How can I make x the subject of y = ~5/1-x?
- White Rabbit
- · Replies 22 ·
Logarithmic into exponential form
- i-love-physics
- · Replies 10 ·
Set Theory, relations, transitivity
- covers
- · Replies 3 ·
Balancing f=v/a: What to Change to Divide f/2
- Ry122
- · Replies 3 ·
How Do You Solve a Binomial Expansion Problem Involving Coefficients?
- CathyLou
- · Replies 2 ·
Solving Trig Equations: 4 More Solutions to Find
- kuahji
- · Replies 2 ·
What Defines Measurement Accuracy and Precision?
- petuniac
- · Replies 1 ·
Inequality Proof: Proving a(b+c) < 1/sqrt(2)
- siddharthmishra19
- · Replies 5 ·
How Can Triangle Coordinates Be Found with Given Information?
- super15mn
- · Replies 13 ·
Finding volume and face area of an icosahedron with 3.8cm edges
- .hacker//Kazu
- · Replies 28 ·
Question 21 - Final question on higher paper
- thomas49th
- · Replies 27 ·
Convertong polar equations to rectangular eq.
- catteyes
- · Replies 3 ·
How Do You Solve Trigonometric Equations Using Graphs?
- Trail_Builder
- · Replies 2 ·
Probability of Two People Being in the Same Car
- wk1989
- · Replies 2 ·
How Do You Simplify (cos(2x))^2 Using Trigonometric Identities?
- justine411
- · Replies 5 ·
Calculating Building Height Using the Quadratic Formula
- ssb
- · Replies 3 ·
Circle Permutations: 7 People, A Not Next to B
- Cyborg31
- · Replies 1 ·
Simplify Fractions: 4x²-6x/(4x²-9)
- thomas49th
- · Replies 4 ·
Finding Upper and Lower Bounds for Speed in km/h
- thomas49th
- · Replies 4 ·
Simplifying expression with exponents to positive form
- i-love-physics
- · Replies 2 ·
Finding the Equation for an Increasing Magnitude Pattern
- darthchocobo
- · Replies 4 ·
Finding the angel between two vectors
- ssb
- · Replies 8 ·
How do I solve a trig equation with two functions on one side?
- Hypochondriac
- · Replies 10 ·
How does (x+4)³ cancel in this simplification?
- i-love-physics
- · Replies 2 ·
Is 180 a Valid Solution for the Trigonometry Equation in Part B) ii?
- Hypochondriac
- · Replies 6 ·
Expected Net Winnings from 1,000 Raffle Tickets
- sdlisa
- · Replies 5 ·
How do I condense the expression 3/2ln5t^6-3/4lnt^4?
- ohchelsea
- · Replies 11 ·
Can Set Difference and Union Operations Prove Subset Relations in Set Theory?
- GregA
- · Replies 4 ·
How Can I Solve 2^n = 150 / 0.5 for n Using Logarithms?
- n108
- · Replies 3 ·
Step-by-Step Solution for Solving Exponential Equations with Fractional Bases
- Corkery
- · Replies 3 ·
How to simplify cosx / (1+sinx)
- mjbc
- · Replies 5 ·
Can you factor a constant out of matrix multiplication?
- flash
- · Replies 5 ·
Converting a log equation to exponential equation
- wScott
- · Replies 4 ·
Prove Trig Identity: A+B+C = 180 → 1+4 cosAcosBcosC
- Harmony
- · Replies 4 ·
Why Does the Equation Sin x = Sin 2x Also Yield the Solutions 0 and Pi?
- kuahji
- · Replies 2 ·
Can you take the square root of a negative number?
- thomas49th
- · Replies 15 ·
Adding two lines, what is the equation of the new line?
- saplingg
- · Replies 5 ·
Proving |(x²+3x+1)/(x+1)| < 7 given |x-2| < 2
- sacwchiri
- · Replies 4 ·
Finding mass given angle and limited information
- Air
- · Replies 12 ·
What Are the Transformations to Map y = sinx to y = 3sin2x?
- thomas49th
- · Replies 7 ·
Calculator, Q 17 - what it getting at
- thomas49th
- · Replies 4 ·
How Do You Find the Equation of a Tangent Line to a Curve?
- teneleven
- · Replies 1 ·
Proving AI = LI using Midpoint Postulate and Betweenness of Lines Theorem
- OrbitalPower
- · Replies 3 ·
Question 19 - quadratic probility problem
- thomas49th
- · Replies 19 ·
Solving 2cos²x + 3cosx = 0 on [0, 2π)
- pugfug90
- · Replies 7 ·
Finding matrices P, Q, R such that PQ=QR
- Vicis
- · Replies 6 ·
Cos(arcsin(-1/3)) how to do it by hand?
- HappMatt
- · Replies 4 ·
Solving Population Movement Sequence Problem
- Couperin
- · Replies 2 ·
Solving a probability problem from an image
- The_Master
- · Replies 1 ·
How do you solve tan(x)=sin(2x)?
- princiebebe57
- · Replies 6 ·
Compound interest formula for r and writing 500050 as sum of squares
- Trail_Builder
- · Replies 4 ·
Solving of exponential equations and linear equations
- unscientific
- · Replies 7 ·
Simplifying square roots with division, addition, and subtraction
- w3tw1lly
- · Replies 7 ·
Finding the tangent line to y = 1 + 2x - x³ at (1, 2)
- teneleven
- · Replies 10 ·
Expressing h in terms of x Cone/Sphere non-calc
- thomas49th
- · Replies 11 ·
How do I find the inverse of f(x) = (4x+9)/(2x-3)?
- Ry122
- · Replies 7 ·
Solve for real x: (x²-6x+9)^(x²-4)=1
- Vagrant
- · Replies 15 ·
I need a good thinking trivia question for my Math club
- matt000
- · Replies 4 ·
How Do You Factorize (p+q)² + 5(p+q)?
- thomas49th
- · Replies 5 ·
Two vectors have magnitudes of 10 and 15
- nath_quam
- · Replies 2 ·
Solving 3 x √27 = 3^N to Finding the Value of N
- thomas49th
- · Replies 15 ·
Understanding Percent Increase: 2184 is 9.2% Larger than 2000
- TSN79
- · Replies 2 ·
Notation for Referencing Elements in a Set
- danago
- · Replies 3 ·
Transformation of unit sqaure to circle
- unique_pavadrin
- · Replies 6 ·
Finding prime numbers m and n where 40 = 2^m × n
- thomas49th
- · Replies 3 ·
Transformation Matrix: Understanding Its Purpose and Properties
- danago
- · Replies 2 ·
Determine the angular velocity in rad/s and degrees/s
- physicsgal
- · Replies 2 ·
How Does the Definition of a Limit Apply to Functions and Trigonometric Limits?
- unique_pavadrin
- · Replies 15 ·
Systems of linear equations ()
- pkitten2007
- · Replies 5 ·
Can a Sequence of Consecutive Positive Integers Not Contain Any Primes?
- kai89
- · Replies 9 ·
Solving "tanx + sqrt(3))(cosx+2)=0" Equation
- trekkie1701c
- · Replies 5 ·
Finding k when probability product equals 4/9
- david18
- · Replies 1 ·
Solving 2 Line Equations: Find Point of Intersection
- zell99
- · Replies 3 ·
Applied Maxima and Minima Problem
- jennifer361
- · Replies 1 ·
What Does g Represent in the Fluid Mechanics Equation P = Patm + pgh?
- Bk8907
- · Replies 4 ·
Understanding Limits: Evaluating lim x->∞ and lim x->-27 for 2 Questions
- kiss89
- · Replies 6 ·
What is the least possible sum of squares when the sum of two numbers is 20?
- Incog
- · Replies 10 ·
Can You Create a Single Equation for Multiple Time-Dependent Cosine Functions?
- ACLerok
- · Replies 1 ·
What Is the Maximum Height of a Baseball Thrown at 75 Degrees?
- dare2dream
- · Replies 13 ·
Prime factorization, Exponents
- turdferguson
- · Replies 1 ·
Convert x² + 4y² = 4 to polar coordinates
- dare2dream
- · Replies 10 ·
Show that arctan(x/2) = arccos(2/√(4+x²))
- ][nstigator
- · Replies 7 ·
Free precalculus practice tests
- luice
- · Replies 10 ·
Are Simultaneous Equations Valid When Rearranged?
- Delzac
- · Replies 7 ·
Prove that the n-cube is connected, for n ≥ 1
- hyderman
- · Replies 1 ·
Proving tan^-1(4/3)=2tan^-1(0.5)
- inv
- · Replies 1 ·
Finding the coefficient in a product of binomial expansions
- chaoseverlasting
- · Replies 8 ·
Verifying Coordinates of Curve Minimum Point: y=f(x) = x^2 - 6x + 14
- Trail_Builder
- · Replies 4 ·
Measuring distance on scaled drawings
- TSN79
- · Replies 1 ·