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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Can an alien see Earth and Venus simultaneously with 5π/6 radian field of view?
- nothingsus
- · Replies 1 ·
What is the equivalence class [3] in a relation defined by powers of 2?
- knowLittle
- · Replies 17 ·
PDF of arccos and arcsin of a uniform random number
- thapyhap
- · Replies 12 ·
How do I expand (1 + x)^{2}(1 - 5x)^{14} as a series of powers of x?
- BOAS
- · Replies 8 ·
Can the Area of a Sector be Determined Without Calculus or Trig?
- 1MileCrash
- · Replies 7 ·
What is the sum of this series?
- utkarshakash
- · Replies 4 ·
Sum and differences identities equations
- keishaap
- · Replies 12 ·
How Can You Dissociate a Main Fraction into Two Separate Fractions?
- baby_1
- · Replies 1 ·
Why are eigenvectors listed in opposite order in the textbook?
- 939
- · Replies 1 ·
Why is correlation coefficient -1 to +1
- stunner5000pt
- · Replies 3 ·
Ellipse:Finding major and minor axis
- utkarshakash
- · Replies 9 ·
Which is Correct? a/(a-b) and b/(a-b)
- Charmin_Ultra
- · Replies 5 ·
Estimating stadium gross benefit with linear demand curve
- 939
- · Replies 3 ·
Prove Existence Unique Real Solution
- knowLittle
- · Replies 2 ·
How is the coefficient a in exp(-ax²) related to graph width?
- aaaa202
- · Replies 1 ·
Is sin(x + y) = 1 a function of x on R?
- CatWhisperer
- · Replies 2 ·
How to solve a geometric distribution problem with a biased coin?
- sasuke0159
- · Replies 6 ·
Q) What are the equations for waveforms that lead and lag by specified angles?
- TehSwedishBeas
- · Replies 1 ·
Solving Digitoxin Rate of Elimination with Geometric Progression
- lionely
- · Replies 2 ·
How do I find the remaining solutions for the trigonometric equation?
- Speedking96
- · Replies 2 ·
Finding Solutions to sin(2x)=0 and 2sin(2x)-1=0
- Speedking96
- · Replies 8 ·
Show that (1+m²)r²=(c-b+ma)² for a tangent line to a circle
- sooyong94
- · Replies 3 ·
Solving log₃(x-5) + log₃(x+3) = 2
- Illuvitar
- · Replies 15 ·
How to Express a Vector in Terms of Basis Vectors?
- 939
- · Replies 3 ·
Finding the sum of n terms in an arithmetic progression given S₇ and S₁₅
- z.js
- · Replies 2 ·
Deriving the Period of a Tan Function - Trig Graphs
- datafiend
- · Replies 8 ·
If c = A· E, then A - cE = 0.
- press
- · Replies 5 ·
About stretching a sphere by a radius of a.
- press
- · Replies 2 ·
Simplify this expression for an ellipse
- needingtoknow
- · Replies 9 ·
Constant acceleration of an antelope
- tAzneem
- · Replies 5 ·
Finding the Product of Sequences a_n and b_n in Terms of x, y, and b_n
- utkarshakash
- · Replies 4 ·
What is the Sum of Discrete Sinusoids?
- Superman1271
- · Replies 5 ·
Is MATLAB's Randomization Function Affected by Appending Numbers to Student IDs?
- emergentecon
- · Replies 2 ·
Proving E[x]=0 for x=cos(2n*pi/n)
- nikki92
- · Replies 4 ·
How to Solve a Parametric Vector Problem Involving Perpendicular Vectors?
- gomess
- · Replies 3 ·
Verifying Rparallel + Tparalllel = 1
- rogeralms
- · Replies 1 ·
Conditional identity consisting of AP and GP
- rama
- · Replies 2 ·
Proving a=d: Conditional Identity
- rama
- · Replies 3 ·
Adding 2sin(314.2t) and 2sin(314.2t - 120°)
- Maths dunce
- · Replies 28 ·
Dividing 4 articles between 2 people with each getting at least one
- lionely
- · Replies 7 ·
Angle between U and V when given perpendicular vectors A and B
- jabber024
- · Replies 3 ·
Finding a polynomial function given zeros
- Illuvitar
- · Replies 3 ·
Understanding Negative Numbers in -2x |X| < 4 Equation
- brycenrg
- · Replies 6 ·
Seating Arrangements in a Railway Compartment
- lionely
- · Replies 19 ·
Relations and Inverse Relations
- Tsunoyukami
- · Replies 4 ·
What is the domain of a function?
- brycenrg
- · Replies 4 ·
Proof for Vectors Product: (A×B) . (B×A) + (A . B)^2 = A^2 . B^2"
- JasonHathaway
- · Replies 3 ·
Proving vector CD is parallel to vector AB with given components
- adjacent
- · Replies 13 ·
Why can't we apply trig ratios to any angle of a right triangle?
- musicgold
- · Replies 14 ·
How many 13-card hands contain at least 12 hearts?
- lionely
- · Replies 8 ·
How do I determine the sign of this permutation
- KodRoute
- · Replies 4 ·
Proving the Mixed Product Formula for Vectors in R3
- JasonHathaway
- · Replies 6 ·
Solve the Sin Equation: Amp, Period, Phase Shift, Vert Shift
- datafiend
- · Replies 1 ·
Probability: Is the manager telling the truth?
- sanctifier
- · Replies 1 ·
Ways to divide 8 different things into groups of 5 and 3
- lionely
- · Replies 3 ·
Using Linear Interpolation to Find Interest
- ainster31
- · Replies 6 ·
3x^2 + 2x - k = 0, find 3α^2 - 2β in terms of k
- tony24810
- · Replies 5 ·
Probability of getting 53 sundays
- mia5
- · Replies 8 ·
2x + y = 8, x - z = 2. Solve by elimination and substitution
- 939
- · Replies 6 ·
Trigonometric and hyper. functions approx in large small argumnt
- the_doors
- · Replies 2 ·
Proving the Cosh and Sinh Identity
- aaaa202
- · Replies 6 ·
Showing Two Functions Are Symmetric About A Line
- Bashyboy
- · Replies 6 ·
Simple Unit Analysis for Generator Revenue Calculation
- ainster31
- · Replies 2 ·
Why is x=0 a solution to x(x-1)=0?
- emergentecon
- · Replies 12 ·
Why does a/b/c = a/(bc) sometimes give wrong results?
- adjacent
- · Replies 32 ·
How do I make t the subject of this formula?
- DerekBrown
- · Replies 23 ·
Congruency and Divisibility of Odd in Z
- knowLittle
- · Replies 6 ·
Proving Congruence Modulo 5 for Powers of n
- knowLittle
- · Replies 7 ·
How many functions are there from {0,1} to {0,1} without restricted domains?
- Panphobia
- · Replies 11 ·
Can Absolute Value Property be Proven for Real Numbers x and y?
- knowLittle
- · Replies 5 ·
Intersection coordinates in lattice
- aaaa202
- · Replies 5 ·
Where Should You Tether a Dog for Maximum Play Area?
- kalbert
- · Replies 2 ·
Finding P(A∩B') when husband votes but wife doesn't
- ViolentCorpse
- · Replies 11 ·
Writing equations of lines from a notebook problem
- Tak.Phy
- · Replies 4 ·
Are F(x) = (x² - x)/(x - 1) and G(x) = x equivalent?
- brycenrg
- · Replies 8 ·
Calculating the capitalized costs
- ainster31
- · Replies 6 ·
Frustrated by simple algebra problem
- aerospacedout
- · Replies 4 ·
Finding the cross product of two 2D vectors
- TheRedDevil18
- · Replies 2 ·
How many permutations for 4 switches with on/off states?
- BOAS
- · Replies 3 ·
What are the rules for adding numbers with uncertainties?
- Wombat_of_Doom
- · Replies 2 ·
Atoms splitting in a nuclear reaction and Bacterial Growth
- navm1
- · Replies 3 ·
Calculating average inflation rate per year
- ainster31
- · Replies 8 ·
Compund Angle Identities and proof
- FaraDazed
- · Replies 2 ·
The Power-Amplification Formula for Sin and Cos: How to Handle Negative Inputs?
- Jhenrique
- · Replies 3 ·
Help with this difficult Probability Problem please
- JonJones
- · Replies 8 ·
Choosing between investing or buying now
- ainster31
- · Replies 1 ·
Can Trivial Conditions Validate an Implication in Mathematical Proofs?
- knowLittle
- · Replies 1 ·
Set Theory Logic: Finding True Statements in a Given Domain
- knowLittle
- · Replies 2 ·
Probablity: What's the p.d.f. of the random variable Z = X|X|
- sanctifier
- · Replies 6 ·
Probability that current could pass through
- pp123123
- · Replies 3 ·
How can I find the zeros to this cubic equation?
- owtu
- · Replies 14 ·
Rays, points and line segments
- Lee33
- · Replies 4 ·
If vectors AB and CD are equal, must A equal C?
- Lee33
- · Replies 20 ·
Probability: Poisson distribution involving customer arrivals
- sanctifier
- · Replies 3 ·
Solving x = x(8-2x): My vs. Provided Solution
- emergentecon
- · Replies 3 ·
Solving systems of linear equations
- Panphobia
- · Replies 2 ·
How to prove α - 2β < 0 from β > α
- Bashyboy
- · Replies 12 ·
LCD? Equations and inequalities
- Blackwinter
- · Replies 7 ·
Man and woman sharing money: ratio 3:2, then doubled sum
- adjacent
- · Replies 13 ·