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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What does the double line arrow mean in a truth table?
- Suyash Singh
- · Replies 1 ·
Rounding off to the correct number significant figures
- Indranil
- · Replies 3 ·
Complex Analysis prerequisite material review
- Terrell
- · Replies 8 ·
Converting a value material parameter
- fred_91
- · Replies 1 ·
How can you simplify complex division with imaginary numbers?
- alijan kk
- · Replies 3 ·
Finding equations for a circle and ellipse
- Suyash Singh
- · Replies 4 ·
Sketch the following set of points in the xy plane
- Rijad Hadzic
- · Replies 10 ·
How to find sec(theta) when sin(theta) and tan(theta) are given
- Alice Shield
- · Replies 3 ·
Determinant Q54: Cofactor Expansion Solution
- azzarooni88
- · Replies 5 ·
Statistics question: Adjusting staffing levels to match customer traffic
- Physics Dad
- · Replies 5 ·
Two pencils of planes have a common plane
- beglor
- · Replies 3 ·
Solving an algebraic identity with ellipses
- opus
- · Replies 8 ·
Is the Shaded Region Outside the Circle in the W Plane?
- trew
- · Replies 3 ·
Probability of getting a Four-of-a-kind?
- musicgold
- · Replies 7 ·
Problem involving complex numbers
- ubergewehr273
- · Replies 5 ·
Sum of (n+1) terms in exponential series
- ssd
- · Replies 7 ·
Trig Identities -- example problem confusion
- opus
- · Replies 10 ·
When are 70% of bacteria killed if 1/10 die every 10 minutes?
- opus
- · Replies 33 ·
Probability of draw with replacement
- Tajeshwar
- · Replies 10 ·
Angle between lines, with free variables in equations?
- Oliviacarone
- · Replies 6 ·
Solving Simpson's Rule: Finding cos^2(1^2)
- Jeviah
- · Replies 2 ·
Solving x² + 8x ≡ 0 (mod 56)
- Cheesycheese213
- · Replies 1 ·
What is the Sum of Angles a and b in This Trigonometry Problem?
- Helly123
- · Replies 4 ·
Bayes' Theorem: Probability of 8 Heads in 10 Tosses?
- Tajeshwar
- · Replies 4 ·
Intuitive explanation of fractional exponents?
- musicgold
- · Replies 8 ·
GRE Question - What's wrong with my reasoning?
- Tim67
- · Replies 8 ·
Rotating Vectors: Clockwise and Anti-clockwise
- lioric
- · Replies 5 ·
General Mathematics Grade 9 -- Find the length of a diagonal of the cuboid
- Physiona
- · Replies 73 ·
How Do You Calculate the Probability of Wanting to Watch a Football Game?
- Tajeshwar
- · Replies 9 ·
Find the angle between 2 vectors
- Helly123
- · Replies 16 ·
Are two coincident lines the same line?
- tomwilliam2
- · Replies 4 ·
Elementary probability question: dice roll
- Mathman2013
- · Replies 4 ·
Find the smallest value for the polynomial
- Loststudent22
- · Replies 4 ·
Significant Figures: Counting on 5.400 and the Role of Zeroes
- Muhammad Danish
- · Replies 3 ·
Setting up a matrix from a linear equation
- Llewelyn
- · Replies 6 ·
When is a function linear and when is it affine?
- tomwilliam2
- · Replies 5 ·
Probabilities and random variables
- Mohamed BOUCHAKOUR
- · Replies 5 ·
Solving an oblique triangle. Looking for a correctness check
- opus
- · Replies 3 ·
Find the value of the trigonometric sum
- Amlan mihir
- · Replies 4 ·
What is the probability? Is it independent?
- Amlan mihir
- · Replies 1 ·
What is the necessary and sufficient condition?
- Helly123
- · Replies 34 ·
Calculating Probabilities of Coin Tosses
- kent davidge
- · Replies 16 ·
Is the Notation Implied for a Singleton Set or Can It Have Multiple Elements?
- zzmanzz
- · Replies 3 ·
Vectors: Proving the value of a•(b x c)
- Sandro Romualdez
- · Replies 21 ·
Why does my method give cos(330°) = -0.5 instead of 0.866?
- Hammad Shahid
- · Replies 7 ·
Find the Missing Angle in Triangle ABC: Use Arithmetic Sequence and Sine Rule
- Physiona
- · Replies 12 ·
2arctan(1/2)+arccos(-3/5)=x how to solve?
- Wi_N
- · Replies 4 ·
How Do You Form and Expand a Cubic Equation from Given Intersections?
- Physiona
- · Replies 30 ·
Money market yield formula derivation
- Vital
- · Replies 5 ·
What is the algebraic proof for the remainder of 11 when dividing by 12?
- Physiona
- · Replies 5 ·
How Do You Determine the Polar Equation of a Line Perpendicular to a Given Ray?
- Poetria
- · Replies 6 ·
Geometric mean application in finance ratio question
- Vital
- · Replies 2 ·
Probability of getting an odd number-conditional probability
- Fatima Hasan
- · Replies 6 ·
What Is the Modulus of z When z=(x-iy)/(x+iy)?
- alijan kk
- · Replies 4 ·
Shape of y = 3x +2 in r - \theta space
- Pushoam
- · Replies 45 ·
How many different teams can be formed ...?
- Fatima Hasan
- · Replies 7 ·
Basic probability, conditional probability
- late347
- · Replies 6 ·
Equation involved complex number
- alijan kk
- · Replies 2 ·
From a given basis, express a polynomial
- Randell Julius
- · Replies 7 ·
Complex number multiple choice
- alijan kk
- · Replies 12 ·
Vector components/coordinates question.
- Physics345
- · Replies 12 ·
Sketching resultants using vector addition.
- Physics345
- · Replies 2 ·
Finding a Vector in Cartesian form
- Physics345
- · Replies 2 ·
Disassembling a product to it's factors
- Karol
- · Replies 6 ·
Polar equation to rectangular equation
- Poetria
- · Replies 11 ·
Conditions of a quarter-circle running through the origin
- CSA
- · Replies 12 ·
Line passing through the origin (polar coordinates)
- Poetria
- · Replies 11 ·
Is it possible to prove (P→Q)↔[(P ∨ Q)↔Q] without using truth tables?
- Ogisto54
- · Replies 1 ·
Finding the exact value of cos(arcsin())
- opus
- · Replies 33 ·
Using Power Reducing Formulas to rewrite Trig Expressions
- opus
- · Replies 7 ·
Product of Missing Digits in a Number
- doggydan42
- · Replies 2 ·
ZPQM is a parallelogram, express Vector OZ in terms of u and v
- Richie Smash
- · Replies 6 ·
Circle Geometry with an Intersecting Line
- Physiona
- · Replies 14 ·
Prove RS is parallel to KL using vector method
- Richie Smash
- · Replies 20 ·
Converting {1/8, 1/4, 1/2, 1, 2, 4, 8, ...} to set builder notation
- Rijad Hadzic
- · Replies 3 ·
How Do You Solve for t When Point E Lies on Line CD?
- Kolika28
- · Replies 10 ·
Solving 8sin³θ − 6sinθ + 1 = 0 with double angle identities
- lioric
- · Replies 10 ·
Finding three non-negative integers where products minus the third give powers of 2
- arpitm08
- · Replies 8 ·
Find the scalar, vector, and parametric equations of a plane
- Physics345
- · Replies 10 ·
Man needs to buy cars (combinatorics)
- kent davidge
- · Replies 25 ·
Writing parallel vector equation
- Physics345
- · Replies 6 ·
Find the limit as h --> 0 for this trigonometery equation
- Helly123
- · Replies 40 ·
Probability Problem -- pulling colored balls from a box randomly
- kent davidge
- · Replies 25 ·
Linear equation, point slope conversion
- amerikantech
- · Replies 12 ·
Demonstrating set properties of a map
- Baris Kalfa
- · Replies 2 ·
What Is the Limit of t Plus a Complex Fraction as t Approaches Infinity?
- Aleolomorfo
- · Replies 10 ·
How many ways can you roll an 18 from 5 dice?
- srfriggen
- · Replies 14 ·
Understanding Arccos and Its Undefined Value for π/2
- opus
- · Replies 12 ·
Pre-calc related question for the interval of a solution
- Rijad Hadzic
- · Replies 11 ·
Derive the equation of a line after x+(1/2)y =0 is mapped by T
- Richie Smash
- · Replies 15 ·
Does 0.999... = 1 lead to a contradiction with squared values?
- mustang19
- · Replies 15 ·
Domain and Range of a Function and Its Inverse- Polynomials
- opus
- · Replies 9 ·
Why are 1/log_a(e) and log_e(a) reciprocals?
- alijan kk
- · Replies 11 ·
Why does ln|(y-2)/(y+2)| = 4x + c_2 give ±e^(4x+c_2)?
- Rijad Hadzic
- · Replies 12 ·
Values of sin and cos (rad and deg)
- knockout_artist
- · Replies 4 ·
Manipulating an inequality in the bisection method
- reed2100
- · Replies 2 ·
Graphing sinusoidal tangent functions
- opus
- · Replies 17 ·
Derive an expression for the price of a pen in terms of p
- Richie Smash
- · Replies 6 ·
(possible) Alternative solution to a difference equation
- Nerd-ho
- · Replies 6 ·
Is there an explicit way to write the solution of nx = e^x?
- Hiero
- · Replies 3 ·