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 many strings of four letters have x in them
- Mr Davis 97
- · Replies 3 ·
Subtraction and division problem: volume of 3 balls in cylinder
- zak100
- · Replies 2 ·
How Do You Calculate Force in Vector Form?
- williamwong0402
- · Replies 4 ·
Solve for unknown radius without trig
- caters
- · Replies 21 ·
Who Gets a Free Book and Calendar at the Book Sale?
- t3rom
- · Replies 7 ·
Solving Algebraic Expression with Limits
- krbs
- · Replies 5 ·
Comparing inscribed angles opposite chords of different lengths
- zak100
- · Replies 12 ·
Solve acos²θ+bsinθ+c=0 for all values 0≤θ≤360°
- DanRow93
- · Replies 11 ·
What is the exterior angle of a triangle?
- zak100
- · Replies 15 ·
What is the proof for n(n^4 - 1) = 10Q for some values Q and n being integers?
- James Brady
- · Replies 22 ·
What Steps Can Resolve a Trigonometric Equation Involving Sine and Cosine?
- chwala
- · Replies 10 ·
Simplifying Double Angle Formula: Cos^2 8x - Sin^2x
- Veronica_Oles
- · Replies 6 ·
Using remainder factor theorem
- Terrell
- · Replies 1 ·
Expressing Quadratic Equations in Different Forms
- chwala
- · Replies 7 ·
Largest integer value of a given constraints on average
- zak100
- · Replies 4 ·
Solving a Trigonometric Equation
- FritoTaco
- · Replies 3 ·
Checking a proof of a basic property of prime numbers
- Ghost Repeater
- · Replies 6 ·
Comparing c and d when 1/c = 1 + 1/d
- zak100
- · Replies 10 ·
Finding a×b when (log a, log b) is on the unit circle
- dfklajsdfald
- · Replies 4 ·
Increasing the number of workers reduces the number of days
- zak100
- · Replies 5 ·
Proofs of the four type of intervals
- Kernul
- · Replies 13 ·
Subtracting mixed numbers 2¼ - 1⅔
- zak100
- · Replies 10 ·
Solving the inequality (y+2)(y-3) ≤ 0
- Thiru07
- · Replies 3 ·
Solving Quadratic Trig Equation
- Veronica_Oles
- · Replies 6 ·
Why Do Additional Solutions Appear in Trigonometric Equations?
- Veronica_Oles
- · Replies 2 ·
Pills lasting 10 patients for 14 days: how long for 35 patients?
- zak100
- · Replies 18 ·
Calculating percentage difference between process speeds
- xeon123
- · Replies 7 ·
How do I rearrange equations with more than three variables?
- Ugnius
- · Replies 9 ·
How Does Gaussian Elimination Solve This System of Equations?
- late347
- · Replies 8 ·
How Can I Mathematically Represent Five Mean Values in a Formula?
- random39a
- · Replies 3 ·
Why Does the Rule √ab = √a × √b Only Apply When a and b Are Nonnegative?
- parshyaa
- · Replies 6 ·
Sum of numbers on cubes along body diagonals of 8cm cube
- Thiru07
- · Replies 21 ·
What would the other villager tell me to do in order to reach my destination?
- Mr Davis 97
- · Replies 5 ·
Proving inequality properties with case analysis
- Kernul
- · Replies 10 ·
Is this a valid inductive proof?
- mustang19
- · Replies 10 ·
Question to determine if a cannibal always lies or always tells the truth
- Mr Davis 97
- · Replies 2 ·
Logic puzzle with 100 statements
- Mr Davis 97
- · Replies 19 ·
Gaussian elimination system of Eqs, the case of no solution
- late347
- · Replies 4 ·
Linear Trig Equations: Solving sin(x + pi/4) = √2 cos x
- Veronica_Oles
- · Replies 6 ·
Simplifying expressions with square roots and negative exponents
- Unteroffizier
- · Replies 8 ·
Solving for kd in Quadratic Equations: Steps and Techniques
- fanieh
- · Replies 2 ·
Find an appropriate matrix according to specific conditions
- Avibu
- · Replies 8 ·
Snell's law and inverse function
- Karol
- · Replies 4 ·
Verify the Trigonometric Identity
- FritoTaco
- · Replies 15 ·
Grocer mixing stones with rice varieties for percentage calculation
- Thiru07
- · Replies 15 ·
What is the range of the composite function h?
- Quadrat
- · Replies 4 ·
How does sin θ = 0 give the answer in this problem?
- lioric
- · Replies 8 ·
Simplifying sin⁻¹(2sin⁻¹(0.8))
- Karol
- · Replies 7 ·
Synthetic Division for Higher Order Polynomials
- zzmanzz
- · Replies 4 ·
Initial conditions for recurrence relation
- Mr Davis 97
- · Replies 2 ·
Prove (ā + b)(b+c) + aē = a+b+c
- doktorwho
- · Replies 1 ·
Completing the square word problem
- Terrell
- · Replies 9 ·
Recurrence Relation for Two Consecutive 0s in Ternary Strings
- Mr Davis 97
- · Replies 2 ·
Solve Limit: $$\lim_{x\to0} \frac{sin(\pi(Cos^2(x)))}{\pi(Cos^2(x))}$$
- Nipuna Weerasekara
- · Replies 5 ·
Combining 3log₂(x) - 4log(y) + log₂(5) into one logarithm
- rashida564
- · Replies 7 ·
Proving -(-x)=x from field axioms
- em2008
- · Replies 21 ·
High Temperature Limit of Entropy in a Two Level System
- Kara386
- · Replies 2 ·
Quadratic with two distinct real roots in (0,1)
- decentfellow
- · Replies 21 ·
Vector algebra (proving you have a parallelogram by using vectors)
- Matejxx1
- · Replies 7 ·
Showing associativity for a particular set
- Raghav Gupta
- · Replies 13 ·
Combinatorial Problem of Letters
- Seydlitz
- · Replies 2 ·
How do I Graph the Sine Function for y=2-sin(2πx/3)?
- FritoTaco
- · Replies 8 ·
CDF of minimum of N random variables.
- ashwinnarayan
- · Replies 1 ·
Find the integer that is nearest to the area of complex plane A
- Greychu
- · Replies 1 ·
How Can a Mixed Doubles Tournament Avoid Family Pairings?
- diana.hole
- · Replies 1 ·
Find a general expression for time of impact of a paper plane
- peglegmeg152
- · Replies 1 ·
Can Newton's Binomial be Used to Prove the Equation ΣC(2+k,4) = (n+3,4)?
- Lilia
- · Replies 13 ·
Finance formulas to compare the best value of a house
- Niaboc67
- · Replies 1 ·
Proving $\tan^{-1}(-x)=-\tan^{-1}(x)$
- Karol
- · Replies 10 ·
Beginning Sets: Advice on Set Building Notation?
- Ryaners
- · Replies 2 ·
Need to be sure of this boolean algebra problem's solution
- Amr719
- · Replies 1 ·
Linear Dependence and Non-Zero Coefficients
- Euler2718
- · Replies 3 ·
How Do You Solve These Probability and Combination Problems?
- Sarina3003
- · Replies 6 ·
Modeling WIth Sinusoidial Functions
- Veronica_Oles
- · Replies 7 ·
How Does the Condition x > -1 Influence the Inequality x² + 1/(x²+1) ≥ 1?
- Nipuna Weerasekara
- · Replies 6 ·
Solving a quartic equation for x
- Cocoleia
- · Replies 7 ·
Prove divisibility, mathematical induction
- Jaroslav
- · Replies 8 ·
Allocating study hours across n courses to maximize average grade
- Danielm
- · Replies 8 ·
Rearranging 2/(x-2) + 2/(x+2) = 1/2 to standard form
- Natasha1
- · Replies 11 ·
Finding (−3 + 4i)³ in a + bi form
- Razberryz
- · Replies 8 ·
What Is the Probability of Matching the First Two Rolls in Five Dice Throws?
- HaLAA
- · Replies 22 ·
Unsure if this is a trig identity or calculus
- Arnoldjavs3
- · Replies 7 ·
Counting number of consecutive elt's in nit string
- Mr Davis 97
- · Replies 2 ·
What is the formula for adding a sequence of consecutive numbers?
- shina
- · Replies 5 ·
Possible Password Combinations
- Mr Davis 97
- · Replies 9 ·
Distance traveled at two speeds and course completion percentages
- late347
- · Replies 5 ·
Probability of Getting at Least One Card from Each Suit
- Taylor_1989
- · Replies 6 ·
A proof in the Hilbert-style axiom system
- PWiz
- · Replies 2 ·
Algebra simultaneous equations Question
- Rococo
- · Replies 8 ·
Equivalent Expression for cot(-π/4) in Terms of Acute Angle
- Veronica_Oles
- · Replies 3 ·
Why Are My Trig Ratios csc and sec Incorrect for (7π)/4?
- Veronica_Oles
- · Replies 2 ·
Find Radian Angle: Value of cos θ = -1/2, π ≤ θ ≤ 2π
- Veronica_Oles
- · Replies 1 ·
Choosing a team of 4 from 5 boys and 8 girls with at most 1 boy
- Taylor_1989
- · Replies 7 ·
Combinatorics Problem: Seating a Family of 8 with Twins and Siblings
- Mr Davis 97
- · Replies 2 ·
Eliminating Odd Powers in the Expansion of (1+x)^n
- Lilia
- · Replies 3 ·
Combinatorics Problem: Finding Groups of 3 Numbers with Average Condition
- Mr Davis 97
- · Replies 2 ·
Proving ln|1+σx| = ½ln|1-x²| + (σ/2)ln|1+x|/|1-x|
- Nusc
- · Replies 10 ·
How Many Subset Pairs (X, Y) Meet These Mathematical Conditions?
- Lilia
- · Replies 16 ·
How to find a quadratic function from a table of values?
- Tris Fray Potter
- · Replies 4 ·
Can someone explain this complex math problem?
- Voltux
- · Replies 1 ·