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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If 1=5, 2=25, 3=125,4=1880, 5=?
- Lay1
- · Replies 8 ·
Number of lines equidistant from four points on a plane
- mahblah
- · Replies 2 ·
Chance of Selecting Twins from Group of 30 [Solved!]
- tomwilliam
- · Replies 24 ·
Plotting points in three-dimensional space
- member 731016
- · Replies 8 ·
Trying to understand the property of absolute value inequality
- mark2142
- · Replies 38 ·
Using inverses to solve systems of equations
- member 731016
- · Replies 4 ·
"Calculating Korifice Value in Cranes TP 410M, Problem 7-12
- gmaverick2k
- · Replies 6 ·
Finding exact value of x in two similar triangles problem
- YouAreAwesome
- · Replies 7 ·
Is it ok to assume matrices A and B as identity matrix?
- vcsharp2003
- · Replies 25 ·
Find the GCD of the given complex numbers (Gaussian Integers)
- chwala
- · Replies 4 ·
Why does squaring a false equation make it true?
- mark2142
- · Replies 20 ·
Proving inverse of a 2 x 2 matrix is really an inverse
- member 731016
- · Replies 3 ·
What does it mean when matrices A and B commute?
- member 731016
- · Replies 3 ·
Problems in manipulating these 4 radical equations
- mark2142
- · Replies 8 ·
Show that ##f(x)=2',1',2'## in the irreducible Polynomial
- chwala
- · Replies 8 ·
Transformations to both sides of a matrix equation
- vcsharp2003
- · Replies 25 ·
Is there a rule that states that I should not divide in this scenario?
- Callmelucky
- · Replies 10 ·
Deriving algebraic definition of cross product
- member 731016
- · Replies 12 ·
Free variables for a matrix in REF
- member 731016
- · Replies 3 ·
Gauss-Jordan Elimination algorithm steps
- member 731016
- · Replies 1 ·
Finding vectors parallel to a given vector
- member 731016
- · Replies 5 ·
Identifying the type of expression
- mark2142
- · Replies 3 ·
Finding the value of lambda so that two lines are parallel
- member 731016
- · Replies 6 ·
What Are the Combinatorial Possibilities of Glucose Polymers with n Monomers?
- bo reddude
- · Replies 6 ·
Interchanging x and y for inverse function
- member 731016
- · Replies 13 ·
Solving an asymmetrical inequalities problem
- Luckyroad21
- · Replies 29 ·
Cannot understand what ##(mod ~ \pi)## means in the given formula
- vcsharp2003
- · Replies 7 ·
Is ##f(x)=2^{x}-1## considered an exponential function?
- Callmelucky
- · Replies 12 ·
Trig Identities - Pre-calculus in a Nutshell - Section 4 Question 1
- MichaelRocke
- · Replies 24 ·
3x3 matrix with complex numbers
- CJovaras
- · Replies 18 ·
Proving inequality equivalence
- member 731016
- · Replies 7 ·
Is it Possible for x^2 to Exceed 900?
- mark2142
- · Replies 32 ·
Calculating the distance from a point to a plane
- Darkmisc
- · Replies 1 ·
Why Does Flipping the Denominator in Complex Fractions Give the Wrong Answer?
- member 731016
- · Replies 9 ·
Solving a nested logarithmic equation
- brotherbobby
- · Replies 2 ·
Find all the ways of writing N into x^2-y^2
- ver_mathstats
- · Replies 8 ·
Solving Plane Equation 3x + 2y -z = 4
- Darkmisc
- · Replies 8 ·
Find the range of values of a + b
- songoku
- · Replies 6 ·
How to Simplify This Trigonometric Equation Using Substitutions?
- Fred1230
- · Replies 4 ·
Find the coordinates of D which lies on the vector BC
- MathMan2022
- · Replies 4 ·
Two roads meeting a river at different angles (heights and distances)
- brotherbobby
- · Replies 7 ·
Why does solving for triangle sides with area formula give different result?
- Callmelucky
- · Replies 6 ·
Make ##x## the subject of the formula
- chwala
- · Replies 15 ·
Find the Area of the shaded region in the given problem
- chwala
- · Replies 1 ·
I don't understand this step in turning this negative into a positive
- Nathi ORea
- · Replies 6 ·
A formula involving the sum of cosines of the angles of a triangle
- brotherbobby
- · Replies 6 ·
Algorithm problem involving 3 points and 3 lines in the x,y plane
- sHatDowN
- · Replies 7 ·
Simplifying this complicated fraction
- member 731016
- · Replies 6 ·
Finding the domain of a composite function
- member 731016
- · Replies 10 ·
Prove that there are infinitely many primes of the form ## 6k+1 ##?
- Math100
- · Replies 12 ·
How can I simplify 1/cuberoot(2)?
- barryj
- · Replies 13 ·
Geometry: prove that point M is touched by 4 circles
- Jiketz
- · Replies 4 ·
Justifying Equilateral Triangle AEF in ABCD
- charlie05
- · Replies 5 ·
Is (y + z)x1 = (y1 + z1)x the equation of a straight line in 3D space?
- sachin
- · Replies 17 ·
Solving a⁻¹ - b⁻¹ = b - a /(ab)
- Nathi ORea
- · Replies 13 ·
Left-hand limit with nested radicals approaching 3
- MatinSAR
- · Replies 17 ·
Find an equivalent equation involving trig functions
- nickek
- · Replies 4 ·
Find this unknown angle in the triangle
- tato1982
- · Replies 25 ·
What Is the Next Step in Solving This Logarithmic Equation?
- homeworkhelpls
- · Replies 5 ·
Find angle B in the trigonometry problem
- chwala
- · Replies 30 ·
Simplify sec θ + tan θ using trigonometric identities
- chwala
- · Replies 7 ·
Solve the given equation that involves fractional indices
- chwala
- · Replies 39 ·
When to use sine vs cosine for the angle between two vectors?
- chwala
- · Replies 2 ·
Solving an absolute value quadratic inequality
- sylent33
- · Replies 9 ·
How to find z^n of a complex number
- arhzz
- · Replies 12 ·
Probability of not getting a prize
- vcsharp2003
- · Replies 36 ·
What are the implied domain and range of cos(arctan(x))?
- Darkmisc
- · Replies 3 ·
Area of Quadrilateral inside a rectangle
- songoku
- · Replies 2 ·
Are both sample spaces the same or do they mean different things?
- vcsharp2003
- · Replies 5 ·
Geometry problem with arcs in a triangle
- albertoita
- · Replies 16 ·
Writing a logarithm in a form not involving logarithms
- Chijioke
- · Replies 4 ·
Solve the given vector problem
- chwala
- · Replies 1 ·
Understanding Negative Velocity and Displacement on a Velocity-Time Graph
- grzz
- · Replies 7 ·
Quadratic inequalities with absolute values
- Callmelucky
- · Replies 7 ·
Triangle formed by straight lines
- Einstein44
- · Replies 43 ·
Eight month numbers adding to 49 over 10 years
- BBBOB
- · Replies 17 ·
Formula for Xo and Yo for graph of quadratic function
- Callmelucky
- · Replies 2 ·
Prove that ##AE=2BC## -Deductive Geometry
- chwala
- · Replies 52 ·
Is it possible to find the range of this function?
- vcsharp2003
- · Replies 22 ·
Limit question to be done without using derivatives
- vcsharp2003
- · Replies 25 ·
Find the values of a and b in the given polynomial
- chwala
- · Replies 15 ·
Show that ##P(X=2)=\dfrac{2}{15}##
- chwala
- · Replies 7 ·
Choose a ball at random from a randomly selected box - alternative way
- Rikudo
- · Replies 10 ·
Do We Need Boundaries for Fraction Equations?
- Callmelucky
- · Replies 21 ·
Quadratic equation: Which way is correct? pic1 or pic2?
- Callmelucky
- · Replies 32 ·
Complex numbers problem |z| - iz = 1-2i
- Callmelucky
- · Replies 20 ·
Logarithm problems
- Jouster
- · Replies 3 ·
How do you find the LCM and HCF?
- chwala
- · Replies 14 ·
A problem related to divisibility
- Rikudo
- · Replies 3 ·
Changing the base of a logarithm
- Jouster
- · Replies 7 ·
How to apply BODMAS correctly in the given problem
- chwala
- · Replies 11 ·
Stopping the Bus in 100m - Can it be done?
- chwala
- · Replies 4 ·
Laws of Logarithms: Definition & Examples
- Jouster
- · Replies 8 ·
Finding P(urn III | silver) using Bayes' theorem
- stunner5000pt
- · Replies 6 ·
Prove that ## g(x)=f(x)\log {x}-\int_{2}^{x}t^{-1}f(t)dt ##.
- Math100
- · Replies 7 ·
How Can I Solve a System of Equations With Complex Numbers?
- Callmelucky
- · Replies 19 ·
Solve for ##x## in the Given Problem
- chwala
- · Replies 17 ·
Sum of powers of i with odd exponents from 1 to 555
- Callmelucky
- · Replies 4 ·
InWhat Situations Do We Enounter the Golden Ratio?
- musicgold
- · Replies 10 ·
How to prove this using Abel's summation formula?
- Math100
- · Replies 9 ·