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 Every Integer Be Expressed as a Sum of Cubes?
- Noo
- · Replies 10 ·
Solving (sin 2θ) tan²θ - tan θ + (sin 2θ)/2 = 0
- Ed Aboud
- · Replies 11 ·
Combinatorics of the word RAKSH
- ritwik06
- · Replies 5 ·
Solve Easy Math Problem: Remainder of 6x7^32 + 17x9^45 Divided By 5
- dgentile
- · Replies 1 ·
How Does Caffeine Decrease in Your Bloodstream Over Time?
- HelloMotto
- · Replies 1 ·
Solving tan²a = sin(2a) for a
- ruthless
- · Replies 7 ·
Proving 3 Divides at Least One Integer
- dgentile
- · Replies 4 ·
Can a Matrix Be Expressed as the Sum of a Diagonalizable and a Nilpotent Matrix?
- MathIdiot
- · Replies 1 ·
How do I simplify function composition with fractions within fractions?
- schlynn
- · Replies 3 ·
Prove Integer Expression: a(a^2 + a)/3 is an Integer
- Ed Aboud
- · Replies 5 ·
Partial fractions without complex numbers for Laplace transforms
- Nubcakes
- · Replies 5 ·
How to simplify f(E)q(-E) + f(-E)q(E) with variable substitution
- koolmodee
- · Replies 2 ·
Radius of a Circle: Solving Negative Equations
- chemic_23
- · Replies 1 ·
Find a sequence convering to sqrt(2)
- kidsmoker
- · Replies 2 ·
Symmetric functions/odd even or neither
- schlynn
- · Replies 2 ·
Making converses of number theory conjectures
- choob
- · Replies 7 ·
Solving log(3-x) + log(3+x) = log(5)
- Lancelot59
- · Replies 13 ·
Locus of Z for Z^2= (1+z)/(1-z) when |z|=1
- Mentallic
- · Replies 17 ·
Can You Solve These Easy Algebra Problems?
- SystemaNoob1
- · Replies 6 ·
Solving Probability Question: Coffee Dispensed in ML per Cup
- thomas49th
- · Replies 1 ·
Solve Trig Identities: Match Function to Answer
- Cephalopod
- · Replies 2 ·
Discrete mathematics (PMI, composition, onto)
- Firestrider
- · Replies 4 ·
What is the formula for standard deviation?
- experimental
- · Replies 3 ·
Locus of Midpoints of Chords in Circle x^2+y^2-2y-3=0
- Mentallic
- · Replies 4 ·
Solving Limits that can't be rationalized (i think)
- hoaver
- · Replies 13 ·
Easy Proportion, but not for me
- SystemaNoob1
- · Replies 3 ·
Solving Exponential Equations with Logarithms: Restrictions and Techniques
- Draggu
- · Replies 6 ·
Simplify the following problem with exponents
- TayTayDatDude
- · Replies 13 ·
Find Polynomial Roots: x^4+2x^3-8x^2-18x-9=0
- Mentallic
- · Replies 5 ·
Finding Positive Roots for 2x3-12x2-3x+36=0
- AdamNailor
- · Replies 3 ·
Finding the Locus of z for R: A Real Number
- Mentallic
- · Replies 2 ·
Find remainder and value of a in polynomial division
- Mentallic
- · Replies 2 ·
Finding coefficients a and b using polynomial factors and derivatives
- Mentallic
- · Replies 3 ·
Is My Equation for a Circle Through Points (0,0), (0,1), and (2,0) Correct?
- nobahar
- · Replies 2 ·
Solving Pool Filling Problem with Jim, Sue and Tony
- psmarz
- · Replies 18 ·
Edu - "How to Find Eigenvectors of a Matrix
- roam
- · Replies 3 ·
Why is sqr(-4) not a real number again?
- alpha372
- · Replies 18 ·
Finding inverse trigonometric values and shadow length
- doodlebug003
- · Replies 3 ·
Isolating y in Equation: y^2 + 2y = -2x +2
- ACE_99
- · Replies 2 ·
Can I Cancel Cubed Radicals with Division?
- Mike_Winegar
- · Replies 4 ·
The period of the function f(x) = sinx * cosx is T = 2п.
- Дьявол
- · Replies 18 ·
How do you determine if a number is rational or irrational?
- temaire
- · Replies 13 ·
Does the series sum of n^n/(n+1)^(n+1) converge or diverge?
- kidsmoker
- · Replies 7 ·
Finding the Locus of Z for |z|=1
- Mentallic
- · Replies 29 ·
Marianne borrowed $10,000 from three sources at different rates
- amd123
- · Replies 2 ·
Domain and range of exponential and logarithmic functions
- austin1250
- · Replies 1 ·
Maybe stupid question - zero positive or negative ?
- JPC
- · Replies 8 ·
Finding the center and radius of circles given an equation
- Jim4592
- · Replies 4 ·
Basic Mathematical Induction w/ n In the Exponent
- DDNow
- · Replies 4 ·
Unsolvable limit of trigonometric function
- cuthecheese
- · Replies 3 ·
Unable to understnd the question
- archita
- · Replies 4 ·
Spherical and cylindrical unit vectors - probably really short and trivial?
- jeebs
- · Replies 1 ·
2 story problems for algebra 2/trig
- shemer77
- · Replies 6 ·
Can Euler's formula accurately calculate arcsine?
- Marie Cury
- · Replies 4 ·
Stats, to simplify the expression
- yamuna
- · Replies 4 ·
How do I solve a quadratic trigonometric equation with unusual terms?
- db1uover
- · Replies 2 ·
What mistakes were made in solving for the equation of the ellipse?
- louie3006
- · Replies 2 ·
Find the focus and directrix of the parabola
- louie3006
- · Replies 4 ·
Probability Involving Combinations of Classroom Seating
- v_bledsoe
- · Replies 1 ·
Solving for all values of x including imaginary numbers
- shemer77
- · Replies 6 ·
[prove] monotonicity of function
- Дьявол
- · Replies 5 ·
How to solve homework equations
- chemic_23
- · Replies 4 ·
How do i find the basis of subspace U
- subopolois
- · Replies 2 ·
Calculating Doubling Time of Bacteria in Beaker
- stegz
- · Replies 2 ·
What Is the First Step in Writing the General Form of a Conic Section?
- lucifer_x
- · Replies 2 ·
Using radicals in trig, and their conversions
- moe11
- · Replies 10 ·
Checking hyperbola homework
- chemic_23
- · Replies 2 ·
What makes a set well-defined and why does it matter?
- Kristinanne
- · Replies 1 ·
Algebra-equation to model balloon's elevation as function of time (t)
- yamuna
- · Replies 4 ·
Binomial experiment for 10C5(0.2)^5(0.8)^5
- yamuna
- · Replies 1 ·
Express Trigonometric Identities of Terms of Variables
- TheShehanigan
- · Replies 2 ·
Rod on verge of tilting: finding particle position using moments
- tweety1234
- · Replies 8 ·
Expected Time for Miner to Reach Safety: A Probability Question
- toni
- · Replies 9 ·
Solve Logarithm: Find n if P=76%, k=-5668, P=2^{-kn}
- icystrike
- · Replies 4 ·
Messing up my algebra seriously i need to re-learn my algebra
- camboguy
- · Replies 2 ·
Bit foggy on this trig question
- yoleven
- · Replies 4 ·
Properties of Logs: What is the Relationship Between ln(x) and ex?
- icystrike
- · Replies 22 ·
Probability that exactly one of two random draw winners is an adult
- icystrike
- · Replies 3 ·
How do i determine if U is a subspace of R3
- subopolois
- · Replies 8 ·
Triangle ABC with A=50°, b=15, c=11 gives two solutions
- asura
- · Replies 8 ·
Probability and statistics material too easy for distance learning
- Gr!dl0cK
- · Replies 3 ·
Using Compounded Angle Identities: How to Simplify cos(\pi-x) = -cosX?
- moe11
- · Replies 5 ·
Function Problem: Area of Rectangle with 100ft Perimeter
- Arreat
- · Replies 2 ·
Proving Logarithm Equations: 1/log3a + 1/log4a = 1/log12a
- ElementUser
- · Replies 2 ·
Finding Value of k for Tangent to y=\frac{3x}{\sqrt{1+x}} at x=3
- icystrike
- · Replies 1 ·
Radius and coord of center of a circle
- lucifer_x
- · Replies 6 ·
Finding A, B, C, D in tide depth model d = A + B cos(Ct + D)
- Paulo2014
- · Replies 1 ·
Find all real values of k for which A is diagonalizable
- war485
- · Replies 4 ·
Vectors Question (Orthogonality)
- haux
- · Replies 1 ·
Can the Alternating Series Test Determine Divergence?
- kidsmoker
- · Replies 2 ·
Sin t = a+b, cos t = a-b, find tan t
- icystrike
- · Replies 1 ·
Proving angle ABC is congruent to angle DEF from given angle pairs
- ccmath
- · Replies 1 ·
Simplifying 6j - 5j² × √-63 with complex numbers
- POLISH_Soldier
- · Replies 3 ·
What Does the Area Under a Position vs. Time Graph Represent?
- Rock32
- · Replies 1 ·
Find perpendicular vectors and angles
- thomas49th
- · Replies 5 ·
Vector Rotation: How to Rotate a Vector by 90 Degrees using a Rotation Matrix
- _Andreas
- · Replies 3 ·
Finding the Value of a in a Complex Number Equation
- thomas49th
- · Replies 11 ·
Solving Second Order Differential Equations with Constant Coefficients
- thomas49th
- · Replies 12 ·
Find cos(arcsin u + arccos v)
- JoshB645
- · Replies 3 ·
Can the Midpoint Between Two Equal Circles Ensure Symmetric Area Division?
- ritwik06
- · Replies 2 ·