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.
Threads
Does g(x,t) = cos(kx − ωt + ε) lag behind f(x,t)?
- Pushoam
- · Replies 1 ·
Does x = -1 Make the Function FoG Undefined Even If Part of It Equals Zero?
- Rijad Hadzic
- · Replies 9 ·
Find the length of PR and the bearing of P from R
- Richie Smash
- · Replies 6 ·
Find the point of intersection?
- Math100
- · Replies 3 ·
Is a function with range as a subset of B injective?
- alijan kk
- · Replies 18 ·
Single matrix for reflection in y=x then 90° rotation
- Richie Smash
- · Replies 10 ·
Problem with a product of 2 remainders (polynomials)
- another_dude
- · Replies 4 ·
Probability of Getting Head or 4: 7/12
- alijan kk
- · Replies 5 ·
Induction Proof for A^n = 1 2^nProve your formula by mathematical induction.
- Robb
- · Replies 31 ·
Find the value of beta in degrees
- Richie Smash
- · Replies 9 ·
Finding coefficients a and h in the general second degree homogeneous equation
- alijan kk
- · Replies 2 ·
Order of permutations in transformations of functions
- opus
- · Replies 11 ·
Triangle altitude's concurrency by symmetry
- alijan kk
- · Replies 8 ·
Equation of Circle Passing Through Given Point and Line with Given Radius
- alijan kk
- · Replies 6 ·
Value of x for which f(x) is undefined
- Richie Smash
- · Replies 13 ·
Find the value of alpha and beta (matrix equation)
- Richie Smash
- · Replies 15 ·
How Big Must N Be for Stirling's Formula to Achieve 2% Accuracy?
- Physgeek64
- · Replies 11 ·
Finding when boat Q is northeast of boat P
- lioric
- · Replies 63 ·
Find the speed of the batsman and direction he takes (vectors)
- Richie Smash
- · Replies 3 ·
How to solve a percentage word problem for profit?
- alijan kk
- · Replies 15 ·
Area of a Sector- Why squared?
- opus
- · Replies 7 ·
How Many Distinct Color Patterns Can an Octahedron Have?
- bradleyharmon
- · Replies 1 ·
Finding Complement of a set with respect to space U
- RJLiberator
- · Replies 5 ·
How to find the time for A and B working together to complete a job
- alijan kk
- · Replies 7 ·
Is 7.5 Seconds the Correct Time for a Train to Cross a 165m Railway Platform?
- alijan kk
- · Replies 1 ·
Train Speed: 150m in 25 sec - Find Length
- alijan kk
- · Replies 3 ·
Inequality to represent minimum monthly income.
- Richie Smash
- · Replies 6 ·
Principal stresses 3D, solving for direction cosines n1,m1,n1
- jan2re
- · Replies 14 ·
Velocity Vectors of a Boat Relative to the Shore and River
- s3a
- · Replies 1 ·
Surface area of a cylinder- finding unknown variable
- opus
- · Replies 2 ·
Why is the second piece of a piecewise function (3,5) instead of [3,5]?
- Rijad Hadzic
- · Replies 4 ·
Suitable range of values for x
- Richie Smash
- · Replies 10 ·
Poisson Distribution -- Rental of a number of television sets
- songoku
- · Replies 13 ·
Understanding Quotients in Equations
- Richie Smash
- · Replies 28 ·
Trigonometry- Converting from DMS to DD and rounding
- opus
- · Replies 4 ·
Difference method for summing (2n-1)/(2n²(n-1)²)
- Enelafoxa
- · Replies 14 ·
Is Proof of A Subset of Union of Family Valid?
- bubblescript
- · Replies 4 ·
Probability that both people are from group X
- jaus tail
- · Replies 18 ·
Strategies for Solving Complex Addition Problems
- Helly123
- · Replies 4 ·
Solving trig equation with TI Ispire CX
- Sunwoo Bae
- · Replies 6 ·
Solving cos(2x) + cos(x) = 0 for 0° to 360°
- Helly123
- · Replies 12 ·
Checking the steel weight calculation formula
- MachineMfg
- · Replies 2 ·
Triangle inscribed in a circle
- Kolika28
- · Replies 16 ·
Solving log₂√(2x-1) < log₄x inequality
- Helly123
- · Replies 6 ·
Solving for the third one should be straightforward.
- Tonyb24
- · Replies 10 ·
How Do You Simplify Trigonometric Expressions Using Basic Identities?
- Jen23
- · Replies 5 ·
How Do Eigenvalues and Eigenvectors Change for Matrix B = exp(3A) + 5I?
- Physgeek64
- · Replies 14 ·
Show that 1/2(sin(2x)+1) = sin²(x+π/4)
- Adgorn
- · Replies 4 ·
How to check if a transformation is surjective and injective
- caspeerrr
- · Replies 4 ·
What are the probabilities for events A and B in a set of 10 cards?
- brake4country
- · Replies 3 ·
Calculating Distances Along Latitudes on Earth
- DS2C
- · Replies 8 ·
Find roots of quadratic equation with parameters a, b, c
- loveinla
- · Replies 7 ·
What is the remainder when -3x^3 + 5x - 2 is divided by x?
- Jen23
- · Replies 7 ·
Simplification of a complex exponential
- fonz
- · Replies 9 ·
Factoring 3x^3 + 2x^2 + 75x - 50 = 0
- Jen23
- · Replies 17 ·
Calculate speed according to distance, gravity and h-angle.
- Swedky
- · Replies 4 ·
Prove that if a² + ab + b² = 0 then a = 0 and b = 0
- CynicusRex
- · Replies 39 ·
Proving the Equality of Two Complex Expressions Using Algebraic Manipulation
- Granger
- · Replies 2 ·
Why do two applications of the law of sines give different angles?
- Aidyan
- · Replies 5 ·
Are the Sets {r, -r, 0} and {-r, r, 0} Identical?
- Rijad Hadzic
- · Replies 4 ·
Finding the Number of Classes Attended Based on Minutes and Cost
- zak100
- · Replies 7 ·
What are the elements of set X?
- zak100
- · Replies 2 ·
Solving Systems of Linear Equations in Two Variables- Graphs
- DS2C
- · Replies 6 ·
Find largest number of linearly dependent vectors among these 6 vectors
- Mohamed Abdul
- · Replies 14 ·
Derivation of Bernoulli Binomial distribution
- Pushoam
- · Replies 15 ·
Proving Complex Number Equality
- squenshl
- · Replies 5 ·
Solution of an exponential equation
- Ali Baig
- · Replies 2 ·
Applying hypothesis test data collected (Statistics)
- Dusty912
- · Replies 3 ·
Find Real Values of k for Purely Real ##u##
- squenshl
- · Replies 3 ·
Interior and Exterior Angle of a Polygon: Formula not working
- zak100
- · Replies 3 ·
Find a basis for R2 that includes the vector (1,2)
- Rijad Hadzic
- · Replies 16 ·
Proof about cycle with odd length
- fishturtle1
- · Replies 4 ·
Chess board probability
- Tanishq Nandan
- · Replies 11 ·
Probability of getting an ace in case of a loaded die
- Pushoam
- · Replies 11 ·
How Many Machines Are in the Factory to Meet Production Requirements?
- nightingale123
- · Replies 5 ·
Height of an island beyond the horizon
- fizixfan
- · Replies 23 ·
Number divided by something divided by something?
- Hammad Shahid
- · Replies 16 ·
Inverse of a Cycle: Proof of Inverse Cycles and Powers
- fishturtle1
- · Replies 3 ·
Finding the Half-Life of a Radioactive Element
- Conrad Peterson
- · Replies 5 ·
What's the standard deviation of values in the histogram bar
- whatisreality
- · Replies 2 ·
Can a Scalar Multiple of a Basis Still Form a Basis?
- Rijad Hadzic
- · Replies 5 ·
Integer programming model (alternating constraints)
- fishturtle1
- · Replies 5 ·
Knapsack problem constraints with dependencies
- fishturtle1
- · Replies 11 ·
Squaring both sides of an equation- extraneous solutions
- DS2C
- · Replies 8 ·
Reducing a matrix to echelon form
- Mohamed Abdul
- · Replies 3 ·
Constructing a 3x3 Linear system question
- Mohamed Abdul
- · Replies 4 ·
Finding values to make a linear system consistent
- Mohamed Abdul
- · Replies 6 ·
Coefficients that make Gaussian elimination impossible?
- Mohamed Abdul
- · Replies 5 ·
Heat conduction through a layers of different materials
- curiosity colour
- · Replies 3 ·
Simplification of complex expression
- roam
- · Replies 3 ·
Rational expressions and domains
- PhyiscsisNeat
- · Replies 5 ·
Multiplying Algebraic Fractional Exponents
- Svetlana_Vein
- · Replies 1 ·
Clearing decimals by multiplication in an equation
- DS2C
- · Replies 8 ·
Geometry: Solve for angles of a triangle w/line intersecting
- Jacob Dale
- · Replies 2 ·
When is √(x+5) + ∛(x/4) positive or negative?
- Alex126
- · Replies 1 ·
Where will the pendulum land -- Probability Question
- Barclay
- · Replies 19 ·
Transforming Piecewise Functions
- Mjucewitz
- · Replies 3 ·
Graphic in excel for practicum
- alkgeo
- · Replies 4 ·
Fraction of Students Not Going on Trip with Given Junior and Senior Numbers
- zak100
- · Replies 10 ·
Can someone figure out the formula of this sequence?
- yellowcakepie
- · Replies 17 ·