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 Long Until Superman Regains His Powers?
- Yohan Lee
- · Replies 2 ·
Poisson, Binomial Distributions
- Millacol88
- · Replies 1 ·
How Does the Central Limit Theorem Apply to Processing Times?
- Millacol88
- · Replies 1 ·
{statics} Kvartil (quartiles) why I didnt get right solution ?
- artiny
- · Replies 1 ·
Distributing m toys and k candy to 12 children
- Regina Fillange
- · Replies 7 ·
Finding the Limit of (cos(Pi/2x))^2x when x is ∞
- Frank Einstein
- · Replies 1 ·
Proving Non-Existence of Solutions to a Small Number Theory Problem
- mafagafo
- · Replies 8 ·
Proving 1 + 2 + 2^2 + ... + 2^(n-1) = 2^n - 1 by induction
- Math325
- · Replies 3 ·
Indicating Vector Inclusion in Span of Matrix Columns
- mafagafo
- · Replies 6 ·
Factoring a third degree polynomial
- Ibraheem
- · Replies 6 ·
Logical argument with hypotheses about a, b, c, d, e and conclusion not e
- Jennifer_T
- · Replies 2 ·
Solving for k and m in f(x) = kx+m
- Rectifier
- · Replies 1 ·
Birthday problem with repetitions
- wintermute++
- · Replies 2 ·
Finding at which point multiplied numbers coalesce
- ignorant2
- · Replies 2 ·
Partial Fraction Decomposition—Multiple Variables
- END
- · Replies 2 ·
Finding vector w from 5u + 4v with given components
- sarabee
- · Replies 11 ·
Linear equation strange problem
- Rectifier
- · Replies 2 ·
Multiplying a trinomial by a binomial with FOIL
- bballwaterboy
- · Replies 4 ·
The angle between a line and a plane
- mafagafo
- · Replies 18 ·
A question on mathematics of finance [Simple interest]
- mech-eng
- · Replies 7 ·
Express (2n+1)(2n+3)(2n+5) (4n-3)(4n-1) in factorials
- VinnyW
- · Replies 3 ·
Geometry question form ax^2+bx+c
- Daaniyaal
- · Replies 5 ·
Proof of a property of the cross product
- mafagafo
- · Replies 11 ·
Finding the X-intercept of a function
- Airp
- · Replies 4 ·
Equilateral triangle ABC is inscribed in a circle
- dawo0
- · Replies 11 ·
Solving a complex numbered cubic equation
- PcumP_Ravenclaw
- · Replies 4 ·
Counting 8-card sequences with specific card type requirements
- PFuser1232
- · Replies 7 ·
Shorten equations with math notations?
- BadatPhysicsguy
- · Replies 3 ·
Slope of Linear function
- Ibraheem
- · Replies 7 ·
Why does sup inf (ak × bk) ≥ sup inf ak × sup inf bk?
- usernot
- · Replies 1 ·
Possible combinations of functions
- nuuskur
- · Replies 20 ·
Maximum value of x in 81^5 > 32^x
- ubergewehr273
- · Replies 3 ·
Solving 4(5^x) - 3(0.4^(2x)) = 11
- TheExibo
- · Replies 4 ·
Stats Problem using Stirling's Approx.
- wintermute++
- · Replies 8 ·
Why Fermat's little theorem not working here
- 22990atinesh
- · Replies 6 ·
Minimum numbers of balls to be drawn
- usha
- · Replies 2 ·
How to find Remainder of this expression?
- 22990atinesh
- · Replies 10 ·
Does Taylor Series accurately represent limits in calculus?
- ironman
- · Replies 1 ·
Finding the limit of (4−√(18−x))/(x−2) as x→2
- Ritzycat
- · Replies 11 ·
What does the centered dot notation x(·) mean?
- emergentecon
- · Replies 8 ·
How to Do (f o g)(1) Function Problem?
- bballwaterboy
- · Replies 3 ·
Arc length of intersecting circles
- ArcanaNoir
- · Replies 3 ·
Finding P(B) and P(A/B) given conditional probabilities
- chwala
- · Replies 4 ·
Lagrange Points Calculation Work
- Samuelriesterer
- · Replies 2 ·
Proving least upper bound property implies greatest lower bound property
- schlynn
- · Replies 22 ·
The area of a square with right triangle inside it
- JasonHathaway
- · Replies 6 ·
How Retirement Changes Affect Unemployment Rates
- s3a
- · Replies 4 ·
Constructing Four Isosceles Trapezoids
- Bashyboy
- · Replies 12 ·
Derivation of mapping for isometric rotation about i
- PcumP_Ravenclaw
- · Replies 3 ·
Clocks and their relative speeds
- mpx86
- · Replies 2 ·
Finding p and q for rhombus ABCD with vertices A(7,0), C(1,2), D(2,-5)
- desmond iking
- · Replies 4 ·
How do I simplify this expression using exponent rules?
- christian0710
- · Replies 4 ·
Proving uniqueness of natural number successors using induction
- HMPARTICLE
- · Replies 6 ·
Find the Pattern in 3+6+12+20+30 +n
- ChiralWaltz
- · Replies 7 ·
Is Addition Associative? A Proof Using Induction
- HMPARTICLE
- · Replies 6 ·
What is the Value of f(0) for a Quadratic Function with Roots at 3 and -2?
- mpx86
- · Replies 2 ·
Finding parameters a, b, k for cotangent and tangent functions
- Niaboc67
- · Replies 2 ·
Solving cos(ωt) = 1 - e^(-t/RC) for t
- iScience
- · Replies 3 ·
All subgroups of {1, 2, 4, 8, 16, 32, 43, 64} under multiplication mod 85
- HMPARTICLE
- · Replies 6 ·
What is the meaning of Λ in the contingency equation?
- RabbitWho
- · Replies 2 ·
Static cable car, approximate tensions
- bobred
- · Replies 20 ·
Would someone be able to isolate v?
- terff
- · Replies 6 ·
How does the angular velocity of a ferris wheel in radians/s compare to m/s?
- xcortz
- · Replies 5 ·
Finding coefficient ratio A₆/A₁₄ in (2x² + 3x + 4)¹⁰
- erisedk
- · Replies 2 ·
Permutations and Combinations: Distributing Balls Among People
- erisedk
- · Replies 4 ·
Generel Solution of sinx+cos^2 x= 1
- Superposed_Cat
- · Replies 8 ·
Why does sin(35°) equal both a side ratio and a y-coordinate?
- christian0710
- · Replies 1 ·
Finding intersection when union is 42 and A has twice B's elements
- Panphobia
- · Replies 4 ·
Deducing sums such as 1+2+3+ .+100
- Natasha1
- · Replies 14 ·
Find the next three numbers in 4, 16, 21, 21, 18, 14, 11
- Natasha1
- · Replies 11 ·
Is the Solution to the Absolute Value Inequality x^2<4 then |x|<=2 Correct?
- OceanSpring
- · Replies 2 ·
Binomial expansion- divisibility
- erisedk
- · Replies 1 ·
Geometric series vs. future value computation based on geometric series
- IrinaK.
- · Replies 2 ·
Why Are Discounted and Net Cash Flow Calculations Different?
- IrinaK.
- · Replies 12 ·
The Attempt at a SolutionWhat is the Normalized Function for Y(k) = A(a-|k|)?
- Negarjf
- · Replies 5 ·
Exponential revision question I can't work out?
- Ramjam
- · Replies 35 ·
Trigonometric Identity for Solving Sin Cubed Equations
- Yashbhatt
- · Replies 15 ·
How Do You Calculate the Length of a Chord and Tangential Line in a Circle?
- ChimM
- · Replies 14 ·
Can a Ship Enter a Harbor? Calculating Depth Using h(t) = 3 + 2sin(0.5236t)
- BadatPhysicsguy
- · Replies 2 ·
Is Every Set in ℝ3 a Subspace?
- MarcL
- · Replies 11 ·
Binomial Expansion Coefficient of x^n
- erisedk
- · Replies 14 ·
Trig, how long is the graph under y=0
- BadatPhysicsguy
- · Replies 3 ·
Gravitational acceleration, cosine problem
- BadatPhysicsguy
- · Replies 4 ·
Geometric distribution Problem
- throneoo
- · Replies 5 ·
Uniform Discrete Sample Distribution
- Lifprasir
- · Replies 6 ·
Probability - 3 Independent Events
- jmc
- · Replies 10 ·
Bezout identity corollary generalization
- davon806
- · Replies 1 ·
Logarithms and scientific calculator
- ilii
- · Replies 5 ·
How many ways can 6 cards be chosen from a deck to have all suits present?
- Robert Houdart
- · Replies 11 ·
Combinatorics - No two together
- Yashbhatt
- · Replies 8 ·
What Values of k Give Infinite Solutions in This Homogeneous System?
- Purple94
- · Replies 12 ·
How many real pairs (x, y) satisfy x² - xy + y² = 4(x + y - 4)?
- erisedk
- · Replies 13 ·
Does an arithmetic progression exist with common difference zero?
- Robert Houdart
- · Replies 3 ·
How Many Non-Confusing Codes Can Be Formed from Distinct Digits?
- Robert Houdart
- · Replies 7 ·
Simplifying (2ab - 3b²)/(3b - 4a)
- e^(i Pi)+1=0
- · Replies 2 ·
Proving -(a + b + c) = -a + (-b) + (-c)
- badateverything
- · Replies 2 ·
Ptolemy's Theorem: Deriving 2sin(θ/2)
- PcumP_Ravenclaw
- · Replies 1 ·
Combinatorics, alphabet/bitstrings
- Panphobia
- · Replies 11 ·
Derivation of parametric Equations?
- Mark Rice
- · Replies 11 ·
Proving Sin x + Sin 2x + Cos x + Cos 2x = 2√2cos(x/2)sin(3x/2+π/4)
- stfz
- · Replies 2 ·