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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Proof question from How to Prove It
- paridiso
- · Replies 2 ·
Finding x: Graphical Solution to sin(x/2)=x/4
- garyng2001hk
- · Replies 4 ·
Multiplying and dividing numbers in scientific notation
- Gringo123
- · Replies 20 ·
How Do You Solve Logarithmic Equations Involving Exponents?
- Cuisine123
- · Replies 1 ·
Stuipd Simple Geometry Question
- dmt740
- · Replies 5 ·
How can I solve these trigonometric equations?
- kristo
- · Replies 2 ·
Curve sketching for f(x) = x² − 4√x
- Mspike6
- · Replies 9 ·
Calculating Train Speeds and Time with MST3K: A Fun Experiment
- TomFoolery
- · Replies 3 ·
[markov chain] reading expected value from the transition matrix
- rahl___
- · Replies 1 ·
Applying Bayes' theorem to a conditional probability problem
- rahl___
- · Replies 1 ·
Linear programming - profit maximisation
- jb7
- · Replies 4 ·
Cosh(2z) Equals Cosh^2(z) Plus Sinh^2(z)
- Wardlaw
- · Replies 8 ·
Mathematica the Simplify[] command
- Mentallic
- · Replies 8 ·
Finding HCF and LCM of three numbers: 18, 24, 27
- Gringo123
- · Replies 2 ·
Finding slope m for a line dividing a square in ratio n
- Mentallic
- · Replies 9 ·
Why Does the Binomial Theorem Solution Differ from the Book's Answer?
- gaganspidey
- · Replies 31 ·
For all x∈]0;2pi[ : tan(x) > x
- Alexx1
- · Replies 6 ·
Finding the inverse of a modulus function
- rreedde
- · Replies 1 ·
Solving a Physics Problem: Struggling with Algebra
- GreenPrint
- · Replies 1 ·
Does a × c = b × c imply c · (a - b) = c|a - b|?
- Grand
- · Replies 11 ·
Rationalizing (1+√2)/(3-√2) to form a+b√2
- nobahar
- · Replies 3 ·
Poly function of degree n with no roots
- Dafe
- · Replies 2 ·
Trig/constructing sine function from graph
- Asphyxiated
- · Replies 5 ·
Trigonometry differentiation problem
- bryansonex
- · Replies 2 ·
Line integral in polar/spherical system?
- player1_1_1
- · Replies 1 ·
Linear Programming Production Line
- masrad
- · Replies 1 ·
How can you use the identity 1+tan^2x = sec^2x to simplify the equation?
- Trizz
- · Replies 2 ·
Minimizing shipping costs for loudspeaker plants and warehouses
- maxsthekat
- · Replies 7 ·
Verifying csc(x) + sec(x) = cot(x) + tan(x)
- Trizz
- · Replies 13 ·
Find the Area of a Rectangle Bounded by a Semicircle | Geometry Problem Solution
- slayer16
- · Replies 4 ·
Deriving sinP + sinQ = 2sin(P+Q)/2 cos(P-Q)/2
- tweety1234
- · Replies 4 ·
Math Homework Woes: Extra Credit Assignment for My Son
- Fatentity
- · Replies 2 ·
Some problems with conic sections
- Mspike6
- · Replies 5 ·
Apostol's Archimedes area proof for a parabola
- gom2
- · Replies 5 ·
Difference between half-angle and double-angle formulas for sin and cos
- tweety1234
- · Replies 2 ·
How many juice bottles are in each carton?
- johnnyies
- · Replies 4 ·
Trigonometry Question: Find the max and min.
- Cuisine123
- · Replies 4 ·
How to Solve a Differential Equation with Unknown x and Metric s
- fraggle
- · Replies 2 ·
Solve math problem w/ no algebra
- johnnyies
- · Replies 4 ·
Prove (2^(n+1)+9·13^n) is divisible by 11 using induction
- SeattleScoute
- · Replies 5 ·
Prove by induction that 1/(n(n+1))=n/(n+1)
- SeattleScoute
- · Replies 3 ·
Why does looking up 0.025 in a z-score table give 0.1985 instead of 1.96?
- 60051
- · Replies 5 ·
Reasonably simple series question
- henryc09
- · Replies 7 ·
Equivalence classes for relation on Z² with modular conditions
- PolyFX
- · Replies 5 ·
Adjoints and Determinants Problem
- CanadianEh
- · Replies 2 ·
Solving x=2+2 2/3 +2 1/3: A Puzzling Challenge
- 1/2"
- · Replies 3 ·
Solving 4^x + 3·2^(x+2) + 32 = 0
- 1/2"
- · Replies 4 ·
Using Central Limit Theorem to Estimate Sample Means in a Stats Class"
- cse63146
- · Replies 2 ·
How do I solve for x in (log_x 7)(log_7 5) = 2?
- shocklightnin
- · Replies 8 ·
How Do I Choose Between Sin, Cos, and Tan in Trigonometry Problems?
- jamesdubya
- · Replies 3 ·
Derivative of y(x)=sin x: \cos x
- abstrakt!
- · Replies 2 ·
Math: log question-solving for x.
- shocklightnin
- · Replies 4 ·
Solution to simple math problem again. .
- johnnyies
- · Replies 4 ·
Is 0 a number in the solution set?
- francis21
- · Replies 8 ·
How Can You Solve a Triangle Using the Law of Sines Without a Calculator?
- nvidia69
- · Replies 3 ·
How Do You Calculate Profit Distribution Based on Investment and Time?
- Gringo123
- · Replies 2 ·
Prove the angles equal to prove the sides triangle problem
- 1/2"
- · Replies 8 ·
Find the direction and magnitude of the resultant forces
- dancer1311
- · Replies 3 ·
Help with 15 logic puzzles: patterns, sequences, riddles
- Gib Z
- · Replies 28 ·
Trigonometry angle - calculation failed, can't explain.
- Monocerotis
- · Replies 3 ·
Angled Forces: Finding Components, Normal Force, and Acceleration
- Mbenjj0x0xx
- · Replies 1 ·
Finding digit A where a, b, c are different digits
- johnnyies
- · Replies 5 ·
Course and Ground Speed (Navigation problem)
- Elidibz
- · Replies 2 ·
Sound Loudness: Increase of 13.98 dB
- fghtffyrdmns
- · Replies 1 ·
Is a single point an open or closed interval?
- Niles
- · Replies 1 ·
How to simplify 1/(cos^4x+sin^4x)
- color_me
- · Replies 3 ·
Binomial Expansion: Coeff of x^29 in (1+x^5+x^7+x^9)
- icystrike
- · Replies 6 ·
Finding the Normal Line for a Curve at a Given Point
- fatima_a
- · Replies 3 ·
Finding the First Term and Common Difference of an Arithmetic Series
- Blister
- · Replies 1 ·
Prove by Induction: \frac{1}{n^2} < \frac{1}{n(n-1)}
- jersiq1
- · Replies 3 ·
Find an equation of a rational function
- DDRchick
- · Replies 2 ·
Gaussian curve, x is a log scale
- nobahar
- · Replies 2 ·
Can 10^n + 1 Be Expressed as a*a*c?
- Pythagorean12
- · Replies 3 ·
Partial Fractions and Parametric Equations
- Timiop2008
- · Replies 8 ·
Making x the subject with fractions and variables
- Gringo123
- · Replies 3 ·
Verify that f(x)= (1-x^2) - (2+x) can be written as: -x + 2 - 3/(2+x)
- suegee3000
- · Replies 2 ·
How to determine b in a conic hyperboal graph
- Nope
- · Replies 3 ·
Proof of x and y int of a line
- lax1113
- · Replies 1 ·
Proving tan(x)+1/tan(x)-1 = sec(x)-csc(x) and related limits
- Mspike6
- · Replies 11 ·
Prove sin(π+A)sec(π-A)/cos(2π+A)+csc(2π-A)=0
- clearlyjunk
- · Replies 2 ·
How Much Money Will Carlos Have After Withdrawing from His Roth IRA?
- bap902
- · Replies 4 ·
Standard deviation and percentage form
- nobahar
- · Replies 4 ·
Simplistic Surface Area Problem
- apt403
- · Replies 2 ·
Solving 1/((1-x)^(1/2)+1) + 1/((1+x)^(1/2)-1) = 1/x
- 1/2"
- · Replies 9 ·
Limit of the form 0^infinity+infinity^0
- abhineetK
- · Replies 6 ·
Exponential Function: Is Infinity a Minimum?
- Niles
- · Replies 3 ·
Simplifying trig expressions with tan, sec, cot, csc
- dr_jack3l
- · Replies 14 ·
Finding the Solution Set for an Inequality
- Learning_Math
- · Replies 2 ·
How Do Trigonometric Functions Change with Shifts of π/2 and 2π?
- utsav55
- · Replies 3 ·
Verify Trig Identity: Find x so 1-sin(x) = 1
- Stevo6754
- · Replies 4 ·
Converting a sin regression to cos regression
- csmcclea
- · Replies 1 ·
Finding Component Form of Vectors: c, P, and Q
- tennistudof09
- · Replies 1 ·
Solving Inequality: (1+tg(x))*cos^2(x) > 1
- Icelove
- · Replies 2 ·
What is the probability of selecting a white ball from a box?
- duki
- · Replies 9 ·
Solving a Word Problem: Algae Increase by Factor of 4 Every 60 Days
- Jimmy84
- · Replies 3 ·
Average Rate Problem: Solve for r=60mph
- carlodelmundo
- · Replies 2 ·
Solving a^m^n = (a^m)^n for n
- 1/2"
- · Replies 2 ·
Solve Trig. Problem without a calculator
- morr485
- · Replies 2 ·
Modeling Satellite Orbit with Sinusoidal Functions
- Cuisine123
- · Replies 3 ·
Solving for variables using 3 different equations (simultaneous equations)
- ReMa
- · Replies 1 ·