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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How can x=2y and 5x<y+7 both be true?
- Mindscrape
- · Replies 4 ·
Equation for the tangent of a circle
- snshusat161
- · Replies 6 ·
Prove square root of 3 is irrational
- kolley
- · Replies 9 ·
Determine the probability that a random variable
- Sirsh
- · Replies 2 ·
Constructing two parallel planes in R3
- mnm831
- · Replies 2 ·
Finding probability of drug use given positive test result in NETICA
- susan_poland
- · Replies 3 ·
Is cos(x - (pi/2)) equal to cos(x)tan(x)?
- silversorrow
- · Replies 1 ·
What Is the Minor Value of n in the Newton Binomial Problem?
- Taturana
- · Replies 6 ·
Where Did I Go Wrong with the Cosine Formula?
- Gringo123
- · Replies 2 ·
Can Complex Function q(z) Be a Contraction Mapping?
- complexnumber
- · Replies 1 ·
What Is the Probability of Exactly Two Matching Cards in Envelopes?
- PhysViti
- · Replies 1 ·
Angle of Vectors a and b with Orthogonal Unit p and q
- lorik
- · Replies 8 ·
Standard deviation of the sample mean from an infinite population
- Amy-Lee
- · Replies 1 ·
Probability of Producing High-Priced Miniature Mules from Breeding Stock
- mossfan563
- · Replies 1 ·
Finding the Point of Intersection: A Simpler Approach
- .hacker//Kazu
- · Replies 5 ·
Solve cos2xsinx=1: Simplifying and Finding X
- CutiePieYum
- · Replies 4 ·
How do I find the area of the blue section in this trig circle problem?
- onandon
- · Replies 2 ·
Mean Score of Female Students in Class of 30: 78
- coreyB
- · Replies 3 ·
Solving C: Recursive Rule for Sequence 2, 6, 8, 14, 22, 36
- recoil33
- · Replies 2 ·
Trig Problem - Way Overthinking This
- apt403
- · Replies 12 ·
How do I convert 0.8660 to square root 3/2?
- lorik
- · Replies 7 ·
Factoring large numbers to find roots
- Poker-face
- · Replies 6 ·
Find explicit function or functions corresponding from implicit
- MrNeWBiE
- · Replies 8 ·
Infinite limit as X tends to infinity
- IdanH14
- · Replies 5 ·
Find the compositions of these functions?
- thereddevils
- · Replies 7 ·
How do i read a frequency graph?
- Sirsh
- · Replies 4 ·
How do I prove these permutation identities with P(n,r)?
- LampMan
- · Replies 3 ·
Solving a polynomial with complex properties
- moocav
- · Replies 4 ·
Proof or counterexaample of Floor 7 Ceiling
- nastygoalie89
- · Replies 2 ·
Intermediate Algebra Factoring
- Poker-face
- · Replies 9 ·
Solving Trigonometry Question: Bicycle Wheel Diameter and Speed Calculation"
- Mejiera
- · Replies 1 ·
Probability more than 25 of 30 students pass a quiz
- hpt001
- · Replies 2 ·
Solve PreCalc Question: Population Growth in 10 Years
- GreenPrint
- · Replies 1 ·
Quadratics with inequalities from spivak's calc
- johnnyies
- · Replies 2 ·
Finding the basis for a set of polynomials (linear algebra)
- RossH
- · Replies 1 ·
Find equation of parabola with focus and directrix
- LeadyKnight
- · Replies 1 ·
Probability Question: No Couples in Randomly Split Groups of Four Couples
- mistermath
- · Replies 4 ·
Probability of Getting 40/40 on MCQ Test by Guessing
- mohdakram
- · Replies 1 ·
How much 2.3% saline is needed to mix with 9.6% for 2.6 L of 5%?
- findley
- · Replies 1 ·
Expressing 2*4*6*8*10*etc. mathematically
- Baou
- · Replies 4 ·
Simplifying Sin[3θ] to Simplifying Trigonometric Expressions
- Confusingmeh
- · Replies 1 ·
Finding P(X ≥ 3) for negative binomial with p = 0.6
- mintsharpie
- · Replies 1 ·
How would you simplify [tex]a(y-b/3a)^3[/tex]
- Strafespar
- · Replies 1 ·
Cubic Formula: Step-by-Step Solution for Finding x
- Strafespar
- · Replies 2 ·
Calculating R Square of an Exponential Function
- prof.DK
- · Replies 4 ·
Positioning 4 women among 5 men in fixed order
- gaobo9109
- · Replies 1 ·
A simple Linear Algebra question that seems so hard
- qwerty11
- · Replies 4 ·
How does y change when x decreases 23.3% and z increases 45.3%?
- kee23
- · Replies 11 ·
Double variable equation- how to solve?
- BR24
- · Replies 6 ·
Plane perpendicular to AB through point A, and plane through point P containing a line
- speedycaster
- · Replies 3 ·
Find x and y in the following trig problem
- Vinny Harlock
- · Replies 1 ·
Calculate Initial Acceleration Needed to Throw a Ball from Point A to B
- Bosduif
- · Replies 5 ·
Finding radius from circle equations in standard form
- MrNeWBiE
- · Replies 16 ·
Unique circular arrangements of n As and n Bs
- simpleton
- · Replies 10 ·
P is not a subspace of R3. Why?
- dcramps
- · Replies 8 ·
Solving Arc Tangent Squared: tan(2x) - 3cot(2x) = 0
- asd1249jf
- · Replies 3 ·
Addition of exponents disconnect
- dymand68
- · Replies 5 ·
Can You Solve These Challenging Algebra and Geometry Problems?
- ScienceNewb
- · Replies 12 ·
Solving the Direction of an Airplane Flying in the Wind
- Lazz72
- · Replies 1 ·
Probability question - Bayes' Theorem - 4 Balls, 2 white, P(all white) = ?
- dharavsolanki
- · Replies 4 ·
Finding x-intercept of cubic functions? / Factoring cubic functions
- liquidwater
- · Replies 6 ·
Coefficient of x^9y^10 in (3x^3 - 4y^2)^8
- frankfjf
- · Replies 2 ·
Proving sec θ (sec θ - cos θ) = tan² θ
- priscilla98
- · Replies 2 ·
Simplifying 15(x+2)² + (y+3)²/4 = 4 to ellipse form
- iamsmooth
- · Replies 1 ·
Sum of series 1 + 3x + 5x² +
- muso07
- · Replies 5 ·
Writing logarithms in terms of r, s, and t with change of base
- terps
- · Replies 4 ·
Solve Parabola Equation: (10,0) ((13,27) (16,0)
- thedarkhawk10
- · Replies 1 ·
Understanding Vector Spaces: Axioms and Operations
- dcramps
- · Replies 5 ·
Finding eigenvector for eigenvalue 2 in 3×3 matrix
- superkam
- · Replies 2 ·
What is the Solution for W, X, Y, and Z?
- r-soy
- · Replies 1 ·
Finding intervals of trig functions
- steve snash
- · Replies 15 ·
Solving equation involving trigonometry and complex numbers
- thepopasmurf
- · Replies 2 ·
Probability/Statistics Question
- srfriggen
- · Replies 6 ·
F(x)=x+(5/x), how do i find f^-1(x)?
- Champdx
- · Replies 1 ·
Finding domains of functions with roots and fractions
- MrNeWBiE
- · Replies 17 ·
Using Euler's Formula to Evaluate Complex Numbers in Rectangular Form
- ezperkins
- · Replies 3 ·
Finding f^-1(9) and f(7) given f(22)=9 and f^-1(13)=7
- steve snash
- · Replies 4 ·
Proving the Multiplication of Even Integers is a Multiple of 4: A Simple Proof
- nastygoalie89
- · Replies 1 ·
Algebraic Manipulation: Solving Complex Equations
- Schniz2
- · Replies 2 ·
Converting Kcal/day to umol/g/h
- kathyt.25
- · Replies 3 ·
Sum to n terms of 1, (4-a)x, (7-a^2)x^2, (10-a^3)x^3
- Procrastinate
- · Replies 1 ·
Inverse Function: Finding x for y in f(x)
- Sweet_GirL
- · Replies 1 ·
What exactly does the period tell you in a trig graph?
- mathkillsme
- · Replies 1 ·
Finding non-trivial solutions for a in a 3×3 homogeneous system
- Martinuk
- · Replies 1 ·
To derive a linearized form of following equations
- samieee
- · Replies 3 ·
Vector Integration Prove: Int over Closed S=0
- aj06
- · Replies 1 ·
How to find out the area of a shape
- Rohan11221
- · Replies 2 ·
A question from the Russian/Soviet Math Olympiad
- slayer16
- · Replies 1 ·
What is the probability that Mike Mouse will be included in the control group?
- redone632
- · Replies 5 ·
Range of a Function: Find h(x)
- Codester09
- · Replies 3 ·
Why Can't I Derive r/R as √3 - 1 in This Chemistry Problem?
- Puchinita5
- · Replies 5 ·
Probability function of a discrete random variable problem
- stevecallaway
- · Replies 1 ·
How to Deduce the Coefficient of x^n in the Expansion of (x+3)(1+2x)^(-2)?
- elitewarr
- · Replies 1 ·
Volume of a solid limited by two paraboloids
- aicort
- · Replies 5 ·
What Causes Discontinuity in the Function 3/(x^2+x-6)?
- FlO-rida
- · Replies 18 ·
Solving a linear equation with fractions
- nathan17
- · Replies 11 ·
Finding the exact value for period in radians
- steve snash
- · Replies 2 ·
Solving for a variable when the square root of a formula is in the denominator
- skibum143
- · Replies 7 ·
How to Simplify a Tricky Fraction?
- math2010
- · Replies 6 ·