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
How Do You Multiply Multiple Percentages Correctly?
- chriscarson
- · Replies 28 ·
Finding the Range of the given function
- Kaushik
- · Replies 1 ·
Equation for √x shifted right 2 units and reflected
- naushaan
- · Replies 12 ·
Is this the correct implementation of Fermat's Primality Test?
- user366312
- · Replies 8 ·
Problem 48 from Lial's 2001 text - stuck on algebraic proof
- Hsopitalist
- · Replies 10 ·
Having problems in multiplying the inequalities
- Adesh
- · Replies 19 ·
Angles of certain complex numbers
- nomadreid
- · Replies 15 ·
Math: Question from KAPLAN (statistics)
- Kaushik
- · Replies 8 ·
Finding individual work rates when two people work together
- Kaushik
- · Replies 8 ·
Maths: Question on Ratios, proportions, and percentages
- Kaushik
- · Replies 8 ·
How Can I Calculate the Height of a Building Using Right Angle Trigonometry?
- ciubba
- · Replies 11 ·
How to solve 2sin(x)cos(x) = √3cos(x)
- AzureSekki
- · Replies 4 ·
Solving 0 = cos²(t) − t sin²(t)
- opus
- · Replies 21 ·
Linear transformation representation in non-standard basis
- bonildo
- · Replies 3 ·
Finding the range of f(x) = 10^(sin x) + 10^(csc x)
- baldbrain
- · Replies 13 ·
How do you sketch (x^2-5)^2+y^2=16 without a calculator or software?
- GravitySK
- · Replies 7 ·
Factoring: Is (r+y)^3 the same as [(1+y/r)^3∗r^3] ?
- HappyS5
- · Replies 4 ·
Solving 4*ln(3x)=15 for x
- Witcher
- · Replies 7 ·
Using the Law of Sines - Getting a Domain Error on my Calculator
- opus
- · Replies 8 ·
Might there be a formula to determine when watch hands coincide?
- ckirmser
- · Replies 18 ·
Finding the Simple Interest for a specific year
- Benjamin_harsh
- · Replies 3 ·
Find distance using map measurements
- dudxex
- · Replies 3 ·
Why doesn't √16 = ±4 in the equation 2 - √16 = -2?
- brycenrg
- · Replies 16 ·
Square-Root of a binomial squared
- lightlightsup
- · Replies 4 ·
How Do You Prove Two Triangles Are Similar?
- Marso
- · Replies 4 ·
Finding the sum of this trigonometry series
- songoku
- · Replies 10 ·
Geometric distribution with probability 2/3
- songoku
- · Replies 9 ·
Calculate the roots of -t^2-2t+1
- DottZakapa
- · Replies 14 ·
Finding the the area of the surface at one end of the steel
- chriscarson
- · Replies 7 ·
Square root notation in solving x² = 4
- issacnewton
- · Replies 6 ·
How to Find the Ratio of Areas in a Scalene Triangle?
- songoku
- · Replies 7 ·
How to Graph the Inverse of a Function on a TI-84PlusCE?
- Witcher
- · Replies 3 ·
Graphing θ=π/4 on a Polar Coordinate System
- lightlightsup
- · Replies 9 ·
Eliminating the parameter in parametric logarithmic equations
- Witcher
- · Replies 8 ·
Points on either side of a line
- mmaismma
- · Replies 3 ·
Finding the maximum number of PC sets with no extras using inclusion-exclusion
- fiksx
- · Replies 2 ·
Percentage of a given quantity
- Witcher
- · Replies 8 ·
Sketching the graph of a function
- Setareh7796
- · Replies 6 ·
How to factor out s and distribute the power of 6
- umzung
- · Replies 4 ·
Two geometry problems -- lines and straightedges
- LittleRookie
- · Replies 13 ·
How to find the inverse of a complicated function?
- ColdheartedGod
- · Replies 24 ·
Vector space - polynomials vs. functions
- musicgold
- · Replies 12 ·
Finding initial distance when two objects are 50m apart at different times
- Benjamin_harsh
- · Replies 26 ·
Problem regarding simple interest
- Benjamin_harsh
- · Replies 3 ·
Asymptote of x^3 - x^5 / ( x^2 + 1) and similar curves
- Swamp Thing
- · Replies 5 ·
Induction proof verification ##2^{n+2} < (n+1)## for all n ##\geq 6##
- ciencero
- · Replies 3 ·
What Steps Are Missing to Solve (2x+5)^(x+1)=729?
- Math100
- · Replies 11 ·
Manipulating exponents: not sure how this example is worked out
- geologist
- · Replies 8 ·
Are there any whole numbers that satisfy this equation?
- donglepuss
- · Replies 42 ·
Formula for reimbursement across overlapping health plans
- DianaCorine
- · Replies 2 ·
How to change variables from x to y in a potential energy function
- Moolisa
- · Replies 2 ·
Upper bound height and lower bound height of a 3-ary ordered tree
- fiksx
- · Replies 13 ·
How Far is the Boat From its Original Position?
- Benjamin_harsh
- · Replies 9 ·
How Do Partial Fractions Relate to Trigonometric Substitution?
- askor
- · Replies 17 ·
Finding the angle between vectors a and m, knowing the magnitude of m and n
- piesand
- · Replies 2 ·
Distributing numbers over n buckets
- Akash47
- · Replies 12 ·
What Methods Identify Nonnegative Ranges in Cubic Equations?
- danielp3
- · Replies 3 ·
What are the rules for argument division in complex numbers?
- bonbon22
- · Replies 4 ·
Finding DE:AC when a line through D is parallel to AC
- quee
- · Replies 7 ·
How Long Before Runners A and B Meet at the Starting Point on a Circular Track?
- Benjamin_harsh
- · Replies 7 ·
Finding distance when two objects meet traveling in opposite directions
- Benjamin_harsh
- · Replies 2 ·
What is the ratio after 1 month given certain conditions?
- caters
- · Replies 3 ·
Finding roots of an exponential equation
- Akash47
- · Replies 2 ·
Distance traveled by object A with constant velocity
- Zelderes
- · Replies 18 ·
Calculating something correct up to ##x## decimal places
- Wrichik Basu
- · Replies 7 ·
Is there a simple injection from B to A using tangent function?
- Tjaz Gantar
- · Replies 23 ·
Finding the sum of 1/(n(n+1)) from n=1 to infinity
- martina1075
- · Replies 16 ·
Calculating Probability of Choosing Vowels: Common Mistakes and Solutions
- songoku
- · Replies 6 ·
Simplify this fraction containing imaginary numbers
- serendipityfox
- · Replies 18 ·
How do I prove ABA is a singular matrix?
- wrxue
- · Replies 13 ·
Evaluate Sum - Couldn't Arrive at Answer
- martina1075
- · Replies 4 ·
Calculating Difference Quotients for Scientists
- martina1075
- · Replies 3 ·
(Changing) Limits of a Summation
- martina1075
- · Replies 7 ·
Finding angle X in triangle with inscribed circle
- Richard Quispe
- · Replies 13 ·
Help with 3D Pythagorean theorem problems
- Natasha1
- · Replies 16 ·
Why do we try to find if a subset is a subspace of a vector space?
- musicgold
- · Replies 4 ·
Graphing equations with concentric circles and straight lines
- Raees
- · Replies 3 ·
Finding truth value of each propositional variable.
- sunny79
- · Replies 4 ·
Seating 4 guests on one side: why is 9C4·4!·9C3·3!·11! wrong?
- Crystal037
- · Replies 24 ·
Why is the middle binomial coefficient the largest combination?
- Crystal037
- · Replies 27 ·
A tricky question with complex numbers
- Physics lover
- · Replies 29 ·
Maximum area of semicircle and square with 8 m perimeter
- Mathman2013
- · Replies 11 ·
Sum of a series that tends to infinity
- Physics lover
- · Replies 16 ·
Complex number roots and exponential equations with arguments
- jisbon
- · Replies 39 ·
Calculate the phase angle between two sinusoids
- DryRun
- · Replies 2 ·
Stats: Normal distribution, std dev, mean z score -- find x
- GiTS
- · Replies 2 ·
How to solve summation equations with different indices
- musicgold
- · Replies 9 ·
Field axioms - is there an axiom for multiplication with zero?
- musicgold
- · Replies 6 ·
How should I simplify this product expression?
- musicgold
- · Replies 12 ·
Where Do Chords of Circles Through A(3,7) and B(6,5) Intersect?
- Saitama
- · Replies 13 ·
Question on Probability - been way too long since college
- ckirmser
- · Replies 12 ·
Why are these two angles equal (x=z)?,
- Kamalesh
- · Replies 3 ·
Cube root long division method
- xzibition8612
- · Replies 2 ·
How to prove that line segment BF=tan x.tan y?
- Kamalesh
- · Replies 4 ·
How do i answer this permutation question?
- Biochemgirl2002
- · Replies 1 ·
Solve polynomial using complex number
- songoku
- · Replies 2 ·
What Is the Probability of Drawing a Specific Marble Color Sequence?
- Tajeshwar
- · Replies 8 ·
How to Find the Slope of Points A and B and Compare to Point C?
- Rabinow23
- · Replies 1 ·
Finding the value of a fraction
- songoku
- · Replies 8 ·
How many ways can 5 prizes be distributed among 4 boys and 3 dividers?
- Crystal037
- · Replies 22 ·