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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Finding the work done using force vectors in 3 dimensions
- marthkiki
- · Replies 8 ·
Solving for C: Struggling With an Equation
- Darknight
- · Replies 3 ·
Calculating the Amount of Type B Tea in a €12.65/kg Mixture
- tehmatriks
- · Replies 2 ·
Show this simple trigonometric identity add up to 0
- td21
- · Replies 2 ·
Show matrix is invertible. THanks
- donny_2011
- · Replies 3 ·
Is x=2 the correct answer for the inverse of f(x) = 6/(2x+3)?
- SolCon
- · Replies 6 ·
What is Manipulating Trig Identities to Solve for a Numerical Value?
- nzashadow
- · Replies 3 ·
Probability of Picking an Ace from 47 Cards
- lazyp
- · Replies 4 ·
How can I solve a quadratic equation with a simple homework statement?
- autodidude
- · Replies 13 ·
Can we ever construct a perfect circle? (Curiousity)
- icystrike
- · Replies 3 ·
How Is the Growth Constant Derived in Exponential Population Models?
- supernova1203
- · Replies 3 ·
Graph of y=x^(1/3) and y= -2x^(1/2)
- Michael_Light
- · Replies 2 ·
Lim t approaches 9 9-t/3-sqrt of t
- CrossFit415
- · Replies 9 ·
Finding cylinder thickness from melted sphere using quadratic formula
- 1/2"
- · Replies 4 ·
Proving a Tangential Trig Identity
- Char. Limit
- · Replies 2 ·
Expanding and Simplifying Two Sets of Double Brackets (most likely really easy)
- LizzzyBF
- · Replies 2 ·
Find the radius of the middle circle
- xcrunner448
- · Replies 4 ·
Probability of drawing two married couples
- turutk
- · Replies 4 ·
How Do You Solve for t in a Cubic Parametric Equation?
- jjj888
- · Replies 2 ·
What is the determinant of a matrix with a variable?
- TW Cantor
- · Replies 2 ·
Finding tank capacity when oil level drops from 3/4 to 2/3
- tehmatriks
- · Replies 7 ·
How to prove that root n is irrational when n is not a perfect square
- pankaz712
- · Replies 8 ·
Partial fraction decomposition of (-7s+52)/(s²-8s+16)
- PBJinx
- · Replies 2 ·
Finding the pattern in arithmetic sequences
- daelin
- · Replies 22 ·
How to find values of a variable of a plane
- pisces93
- · Replies 1 ·
Why Are Negative Values Excluded in the Range of These Square Root Functions?
- Michael_Light
- · Replies 3 ·
How Many Coin Tosses Until 50 People All Get Heads?
- Knut.Angstrom
- · Replies 1 ·
Express 8cos²x - 6sin x cos x + 2 as rcos(2x+α) + s
- kingboy
- · Replies 2 ·
Proof involving invertible modulo and congruence modulo
- dpryor5
- · Replies 8 ·
Binomial series expansion and the binomial theorem
- zorro
- · Replies 5 ·
Quadratic equation with complex coefficients
- elimenohpee
- · Replies 3 ·
Can Negative Direct Variation be Considered Direct Variation?
- ebits21
- · Replies 2 ·
Locus of Mid Point: X-Axis Cut Points
- phymatter
- · Replies 5 ·
Finding parabola equation and only given a graph
- stuffradio
- · Replies 3 ·
Probability of selecting letters in alphabetic order
- xcrunner448
- · Replies 3 ·
Probability of guessing a password
- alman9898
- · Replies 4 ·
Series. AP GP. Some confusion. Answer checking needed also.
- SolCon
- · Replies 3 ·
Australian Maths Competition [Calculators not Allowed]
- Kushal
- · Replies 16 ·
Proving that the cube root of 6 is irrational
- pankaz712
- · Replies 5 ·
Solving two equations from a Doppler effect problem
- vande060
- · Replies 3 ·
What do each of these variables mean? (Exponential functions)
- supernova1203
- · Replies 5 ·
How to simplify (2x - 3)^2 - 2x(2x - 5)
- tehmatriks
- · Replies 5 ·
Find the actual length of a wall on a map with scale 1:25000
- tehmatriks
- · Replies 5 ·
What is the mathematical approach to solving letter/digit code puzzles?
- t_n_p
- · Replies 8 ·
Probability - Binominal distribution
- MarcMTL
- · Replies 2 ·
Understanding Simplification Operations for Inverse Trigonometric Functions
- mathor345
- · Replies 3 ·
Phillip's Phun Phactory: Probability Problem
- SprucerMoose
- · Replies 2 ·
Why does dx/dθ = √(3/2)cos(θ) in trig substitution?
- nhmllr
- · Replies 3 ·
Solving 3(x+1)-(x-1)/2 = -4
- tehmatriks
- · Replies 13 ·
Solid angles and particle velocities
- quarky2001
- · Replies 1 ·
Difference between 1/x and Cosech (x) graph
- aurao2003
- · Replies 4 ·
Integrate Physics: q(t) = 10.00t^2
- Acestein
- · Replies 2 ·
Is there a mistake in this solution?
- zeion
- · Replies 7 ·
How Do You Rearrange This Equation to Solve for Delta T?
- Charanjit
- · Replies 1 ·
Trying to prove two angles are congruen to each other
- cse63146
- · Replies 10 ·
Having trouble understanding word probl Trig.
- Miike012
- · Replies 2 ·
Can you say A = C and B = D if Ax + By = Cx + Dy?
- Voivode
- · Replies 2 ·
Find the number of ways an odd number of objects can be chosen
- zorro
- · Replies 8 ·
How Do You Solve 2/x+2 + 3/2x+1 for x=1/2?
- tehmatriks
- · Replies 6 ·
How Do You Convert Cubic Centimeters to Cubic Meters?
- jle1092
- · Replies 1 ·
Linear Velocity: When to Use S/t or R*w
- Miike012
- · Replies 2 ·
Counterintuitive Probability Problem
- SprucerMoose
- · Replies 4 ·
This is like a fifth grade question
- flyingpig
- · Replies 13 ·
Operations that Maintain/Don't Maintain Inequality
- madah12
- · Replies 11 ·
Reference Angles: Find the Angle of $\frac{7\pi}{6}$
- 1MileCrash
- · Replies 1 ·
Applied Trigonometry, Deduce Length of Segment in new triangle.
- max0005
- · Replies 5 ·
Deriving the Formula for S = theta * radius
- Miike012
- · Replies 11 ·
I have a variable as an exponent, how do I isolate it from everything else?
- kelp
- · Replies 3 ·
Why does ln(x+1)-ln(x)=0 have no algebraic solution but the calculator finds one?
- max0005
- · Replies 10 ·
100sin(alpha) = 500cos(alpha) - how do you solve such a thing?
- Femme_physics
- · Replies 4 ·
Radius of A Circle inside a Sphere
- PAR
- · Replies 1 ·
Where does the −1 come from in the Henon map fixed point equation?
- MathAmateur
- · Replies 4 ·
Understanding 45-45-90 Degrees Angles
- Miike012
- · Replies 3 ·
I need to prove that 1+x =< e^x for any x>=0.
- MikeyA
- · Replies 8 ·
Escalator Steps and Time: Solving for Stationary Step Count
- Pseudopro
- · Replies 2 ·
Finding Exact Value of Trig Expression
- whatisphysics
- · Replies 6 ·
How do I factorize (x-1)(x-2)(x-3)(x-4) -48
- eureka_beyond
- · Replies 7 ·
How does the Pythagorean theorem give sin, cos, tan and reciprocals?
- Miike012
- · Replies 2 ·
Sketch the graph of an invertible function
- CrossFit415
- · Replies 4 ·
Can the Function x^2 * exp(-x/a) = b Be Solved for x Using Lambert W?
- Beer-monster
- · Replies 4 ·
Prove γ^(n-1)(128n(1-γ)+γ(74+27γ^n))≤101
- ubiquitousuk
- · Replies 5 ·
Functions, the compositions of f(g(x))
- CrossFit415
- · Replies 1 ·
Calculating Distance and Function of a Horse on a Merry Go Round
- CrossFit415
- · Replies 1 ·
What is the angular velocity of the nail in a car tire at 55 mi/hr?
- Miike012
- · Replies 5 ·
What are the two square roots of 3+4i and how can they be obtained?
- renvox
- · Replies 10 ·
Complex Numbers: Expressing (1- i tanx) / (1+ i tanx) in Polar Form
- abcd8989
- · Replies 2 ·
Can You Solve for Theta in Terms of a Known Expression?
- francisg3
- · Replies 2 ·
How many functions are there from A to B
- tysonk
- · Replies 2 ·
Finding angles that lines LN and KM make with the x-axis
- sunny304
- · Replies 3 ·
Trigonometry problem. Solve equation for
- SolCon
- · Replies 15 ·
Why is arc length equal to radius times angle in radians?
- Miike012
- · Replies 8 ·
Half Life Problem: Solving for 5 Years Starting with 100 Grams
- magnifik
- · Replies 3 ·
Centre of mass of of an isosceles Triangle
- aurao2003
- · Replies 7 ·
What Is Jerry's Average Speed on His Daily Commute?
- nando94
- · Replies 5 ·
Finding periods of cos(2x), sin(2x), and 3cos(3x) + 2cos(2x)
- Steveh15
- · Replies 1 ·
Induction question from Philosophy class
- Jamin2112
- · Replies 2 ·
Counting Principles and Probability
- [ScPpL]Shree
- · Replies 1 ·
Struggling to re-arrange exponential equation
- Rusty789
- · Replies 5 ·
How do I calculate the time for P to return to its starting point?
- aurao2003
- · Replies 4 ·
Verifying Sin2A = 2SinACosA with A=30deg
- Miike012
- · Replies 3 ·