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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Probability dice roll questions
- mtingt
- · Replies 6 ·
What is the angle made by a line with the real axis, given certain conditions?
- utkarshakash
- · Replies 10 ·
Complex number equation and roots of unity
- math_nuub
- · Replies 6 ·
Quadratic equation solving with constraint.
- qwerty11
- · Replies 4 ·
Finding the Side-lengths of a Rectangle with Given Area Increase
- paech
- · Replies 2 ·
Domain and range of w(d) = 2d with maximum width 100 cm
- EIGHTSIX7
- · Replies 6 ·
Conditions for a function to be constant
- V0ODO0CH1LD
- · Replies 10 ·
Finding z-scores and grades using normal distribution
- emKhairol
- · Replies 2 ·
Inequality with two absolute values
- paech
- · Replies 2 ·
Is My Algebra Fraction Simplification Correct?
- Taylor_1989
- · Replies 2 ·
Proof of \sqrt{ab}>\frac{2ab}{a+b} for Positive and Unequal Integers
- odolwa99
- · Replies 8 ·
How can I rearrange this equation to find vo/vs?
- NewtonianAlch
- · Replies 4 ·
Condition for this polynomial to be a perfect square
- utkarshakash
- · Replies 2 ·
Surface area of solid of revolution (no calculus)
- V0ODO0CH1LD
- · Replies 5 ·
Vector perpendicular to only 1 vector
- Ruzic
- · Replies 4 ·
Solving a logarithmic equation.
- thatguythere
- · Replies 6 ·
Solve inequality involving modulus
- utkarshakash
- · Replies 3 ·
Natural log of a sum? (not sum of natural logs)
- yiyopr
- · Replies 1 ·
Inequalities find the set of values of x
- synkk
- · Replies 6 ·
Why is 0° not a solution for cosθ = 2sinθ - 1?
- davon806
- · Replies 5 ·
Optimizing ticket price for university girls soccer team raffle
- sasuke07
- · Replies 2 ·
What's the Correct Interpretation of |r| in Math?
- phospho
- · Replies 5 ·
Labelling sets in a Venn diagram
- samirgaliz
- · Replies 4 ·
What is the Limit of a Sequence with a Common Ratio of 1/2?
- phospho
- · Replies 13 ·
Algebraic graphing object flight paths
- stobby
- · Replies 1 ·
Solving 1/(x+4)>x-4 and 1/(x+7)>x-7
- alewisGB
- · Replies 6 ·
Is it right to condition a RV on dependent RV?
- devonho
- · Replies 1 ·
Solving a general complex trigonometric equation
- omertech
- · Replies 1 ·
How does 4 + 4sin(θ) factor to 4(1+sin(θ))?
- vysero
- · Replies 4 ·
Variance of Continous Random Variable
- Lancelot59
- · Replies 11 ·
How Do You Calculate Bacterial Growth Using Exponential Equations?
- hsd
- · Replies 1 ·
Probability Mass Function of a Discrete Non-Uniform Distribution
- iTee
- · Replies 8 ·
When solving x/(2x-1)<-2, do I flip the inequality sign?
- odolwa99
- · Replies 2 ·
Verifying (sin³(x)-cos³(x))/(sin(x)-cos(x)) = 1+sin(x)cos(x)
- RAF1940
- · Replies 2 ·
Conditional probability computation
- Nero26
- · Replies 2 ·
How can the solutions to a trig equation be determined?
- MMCS
- · Replies 2 ·
Linear Algebra - proof of transformation
- NewtonianAlch
- · Replies 3 ·
Solving Abstract Inequalities: Proving (a+b)(a-b) = 0 for Positive a and b
- odolwa99
- · Replies 4 ·
Calculating Monthly Deposits for Future Annuity Goal
- Niaboc67
- · Replies 2 ·
Test for coplanarity of four points
- Nero26
- · Replies 4 ·
Discontinous functions question.
- peripatein
- · Replies 10 ·
Rational function hole at (0, 0)?
- Esoremada
- · Replies 5 ·
Finance problem recursive formula
- Niaboc67
- · Replies 9 ·
Summation of a trigonometric series
- fLambda
- · Replies 10 ·
Flight of Bird, Cubic Function
- CR7
- · Replies 2 ·
Proving coplanarity of vectors from (a × b) × (c × d) = 0
- Bipolarity
- · Replies 2 ·
Solve Word Problem: Becky Had 216 Stamps
- Taylor_1989
- · Replies 4 ·
Conditional Probability and Drawing Cards
- Sizwe
- · Replies 3 ·
Finding mean and standard deviation from dice roll simulation data
- iRaid
- · Replies 13 ·
What Is the Probability A Rolls a Winning Sum in Dice Game?
- CAF123
- · Replies 13 ·
Solving the Conundrum of Three Positive Integers
- aaronstonedd
- · Replies 7 ·
Is there a vector proof for (u x (v+w)) . r = (u . w)(v . r) - (u . v)(w . r)?
- Bipolarity
- · Replies 2 ·
Can Absolute Value Inequalities Prove This Expression?
- Andrax
- · Replies 1 ·
Prove this inequality for all triangles
- sharpycasio
- · Replies 8 ·
Why is √(x^2)/x not equal to sin(x)?
- Albeaver89
- · Replies 9 ·
Is E a subset of ]0,2] and how does it relate to ]0,2]?
- Andrax
- · Replies 10 ·
Fastest way to determine if a circle fully covers a rectangle
- sciwizeh
- · Replies 4 ·
How Do You Solve Challenging Homework Problem #3?
- zzinfinity
- · Replies 9 ·
Probability of Collecting a New Type of Coupon After n Coupons Collected
- CAF123
- · Replies 5 ·
How Does Compounded Interest Affect My CD Investment Over Three Years?
- Niaboc67
- · Replies 2 ·
How Do You Solve Nested Absolute Value Equations?
- HerroFish
- · Replies 3 ·
How should I take precalculus notes for speed and problem-solving?
- Spiralshell
- · Replies 2 ·
Solving for an indicated variable
- vrfulgen
- · Replies 1 ·
How Do You Calculate Conditional Probabilities in Dice and Coin Scenarios?
- JP16
- · Replies 9 ·
Equivalence of Vector Statements: Proofs and Solutions
- Bipolarity
- · Replies 1 ·
Conditional Probability on type of coin
- CAF123
- · Replies 8 ·
What is the smallest natural number n for a^(3n)=a (mod 85)?
- papacy
- · Replies 3 ·
Z^3-1=0 (express using de moivres theorum)
- Daaniyaal
- · Replies 10 ·
Finding the limit of (2^x - 1)/x
- Gploony
- · Replies 1 ·
Graphical solution to an equation relating tan(x) to a semi semi circle
- Jayman123
- · Replies 1 ·
How Do You Solve These Logarithm Equations?
- Kjos
- · Replies 10 ·
Why do absolute values appear in the simplification of square roots?
- Rably
- · Replies 6 ·
Can Properties of Sigma Notation Prove Equivalence of Two Sums?
- songoku
- · Replies 10 ·
Complements of Ranges and Domains
- Kolmogorov
- · Replies 5 ·
How to solve this inequality involving a 4th root?
- PhizKid
- · Replies 2 ·
Simplifying the following function
- CoinToss
- · Replies 1 ·
Rotating Vectors: How to Rotate a Vector 90 Degrees Towards a Specific Direction
- sparkzbarca
- · Replies 2 ·
Using induction technique in mathematical logic
- Kolmin
- · Replies 3 ·
What is the Value of a Complex Exponential Expression?
- sambarbarian
- · Replies 11 ·
Solving a Polynomial with Real Coefficients and Real Zeroes
- utkarshakash
- · Replies 9 ·
What Is the Chance a Bookstore Raffle Winner Is Among the First 10 Customers?
- chris_0101
- · Replies 1 ·
Equations Involving Radicals Question
- HerroFish
- · Replies 8 ·
Twin primes where p+1 is a triangular number
- papacy
- · Replies 1 ·
Find length of sides of quadrilateral; write equation
- David Dudek
- · Replies 3 ·
Number of points having integral coordinates
- utkarshakash
- · Replies 2 ·
Is A subset of B in this proof involving sets and integers?
- Andrax
- · Replies 1 ·
Difference Quotient - average rate of change
- zebra1707
- · Replies 12 ·
Finding the period of a satellite orbit from a sinusoidal function
- zaddyzad
- · Replies 6 ·
Proving a trigonometric identity with sin and cos
- Feodalherren
- · Replies 7 ·
Is Playing a Card Game with Ascending Order Wins a Good Bet?
- boggled
- · Replies 5 ·
Evaluate 1-2cos^2 25/1-2sin^2 65
- lionely
- · Replies 3 ·
What is the probability that it will be on time all five times
- lovemake1
- · Replies 4 ·
Determining the second order polynomial from the intersection points
- Cinitiator
- · Replies 4 ·
How Can Double-Angle Identities Simplify Trigonometric Equations?
- MaoRaygo
- · Replies 1 ·
Operation on Equivalent Classes
- dpa
- · Replies 2 ·
Wilson Theorem: Solving (p-n+1) . (p-2)! + n–1 =0 (mod p)
- papacy
- · Replies 2 ·
What does this equation mean? [Exponentials]
- Cee
- · Replies 2 ·
Trigonometric Equation: Solving Sin 2x = -2cos x in the Interval 0 ≤ x < 2∏
- Feodalherren
- · Replies 4 ·
Find the range of this expression
- utkarshakash
- · Replies 7 ·
Misbehaving Imaginary Fractions
- a.powell
- · Replies 3 ·