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 to prove this using Abel's summation formula?
- Math100
- · Replies 9 ·
Student got m=2 from graph points but mark scheme says m=1.5
- chwala
- · Replies 11 ·
Proof about two disjoint non-empty sets ## S ## and ## T ##
- Math100
- · Replies 11 ·
Divisibility test: checking if numbers are divisible by 4, 6, or 8
- Zaza
- · Replies 7 ·
Proving the result of the following limit
- Rikudo
- · Replies 10 ·
Express the given matrix in the form ##L_1DU_1##
- chwala
- · Replies 9 ·
Finding square root of number i.e. ##\sqrt{\dfrac{16}{64}}##
- chwala
- · Replies 17 ·
Finding the nth term of a sequence
- chwala
- · Replies 12 ·
Prove that the sum of r(r|73) from r=1 to 72 equals zero
- Math100
- · Replies 14 ·
Prove that there are infinitely many primes of the form ## 8k-1 ##
- Math100
- · Replies 4 ·
Prove relation between the group of integers and a subgroup
- PhysicsRock
- · Replies 6 ·
Solving Simultaneous Equations: 4x + 5y =12 and -8x + 4y =32
- paulb203
- · Replies 4 ·
How many birds of each kind did I buy?
- Math100
- · Replies 5 ·
Why does k factorial multiply the bracket in this factorialequation?
- homeworkhelpls
- · Replies 25 ·
Solve the given trigonometry problem
- chwala
- · Replies 10 ·
Determine the set of odd primes ## p ##?
- Math100
- · Replies 14 ·
Binary operation on equivalence classes
- PhysicsRock
- · Replies 3 ·
Find all possible solutions of x^3 + 2 = 0
- BurpHa
- · Replies 9 ·
Find all the solutions of the congruence
- Math100
- · Replies 6 ·
Show that ## p ## divides ## 2^{(p-1)/2}-1 ##
- Math100
- · Replies 1 ·
Proof of inequality by induction
- PhysicsRock
- · Replies 12 ·
Evaluate the Legendre symbol ## (999|823) ##
- Math100
- · Replies 3 ·
Finding the Distance to a Building with Trigonometry
- RayDonaldPratt
- · Replies 4 ·
Finding the Volume of a Slightly non-Rectangular Box
- LightningInAJar
- · Replies 19 ·
What does the identity mean here?
- PhysicsRock
- · Replies 3 ·
Verify that ## A(225)\geq 1 ##
- Math100
- · Replies 1 ·
F(x)=(x+1)^0.5, h(x)=x^2+3, what is the range of f(h(x))?
- Darkmisc
- · Replies 4 ·
Verify that ## L(1, \chi)\neq 0 ##
- Math100
- · Replies 4 ·
Evaluating several powers of ##x## from a given equation
- brotherbobby
- · Replies 6 ·
Analysis of the mechanics of skydiving
- huc369
- · Replies 1 ·
How to construct a table of values for Dirichlet characters?
- Math100
- · Replies 18 ·
Show that (a-b) + (c-d) = -(b+d) - (-a-c)
- happyprimate
- · Replies 6 ·
What is the formula for finding the nth partial sum?
- mark2142
- · Replies 15 ·
How to factor x^4 - 3x^2 - 4
- Nathi ORea
- · Replies 19 ·
How Do You Calculate Angles AEC and ADC in Geometry?
- chwala
- · Replies 8 ·
Find the remainder when ## 823^{823} ## is divided by ## 11 ##
- Math100
- · Replies 14 ·
Solve the given simultaneous equations that involves hyperbolas
- chwala
- · Replies 4 ·
Calculate the position vector for 3di
- homeworkhelpls
- · Replies 1 ·
Why do I need the origin to find point C from vector AB?
- homeworkhelpls
- · Replies 4 ·
Inequality involving a reciprocal - where's the mistake?
- brotherbobby
- · Replies 12 ·
Solve the simultaneous linear congruences
- Math100
- · Replies 4 ·
Conditional probability problem
- MathMan2022
- · Replies 15 ·
Solving an inequality involving absolute values
- brotherbobby
- · Replies 11 ·
Solve the given permutation problem
- chwala
- · Replies 1 ·
Find the highest power of ## 3 ## dividing ## 823 ##
- Math100
- · Replies 9 ·
Proving that the inverse of a rational number exists
- brotherbobby
- · Replies 8 ·
Prove the trigonometry identity and hence solve given problem
- chwala
- · Replies 5 ·
Set properties of even (##E##) and odd (##I##) integers
- brotherbobby
- · Replies 5 ·
Find the length of PA - deductive Geometry
- chwala
- · Replies 1 ·
Simplifying expressions with fractional exponents
- homeworkhelpls
- · Replies 4 ·
Prove that ## li(x)\sim \frac{x}{\log x} ##.
- Math100
- · Replies 3 ·
Determine the day of the week on which you were born
- Math100
- · Replies 18 ·
Graph Sin(2x+6): Is Parent Function the Best Option?
- barryj
- · Replies 6 ·
Find the constants ## A ## and ## B ##
- Math100
- · Replies 1 ·
Using this Libre Calc statement: =if(B4=50,100)
- barryj
- · Replies 3 ·
Asymptotic expansion of Σ φ(n)/√n
- Math100
- · Replies 4 ·
Solving an equality with absolute values
- brotherbobby
- · Replies 10 ·
How to find the constant B in here?
- Math100
- · Replies 7 ·
Prove that the altitudes of a triangle are concurrent
- Darkmisc
- · Replies 3 ·
Asymptotic formula for sum of log(n)/n³ using Euler summation
- Math100
- · Replies 17 ·
Verify this result when ## n=10 ##
- Math100
- · Replies 8 ·
Apply trigonometric methods in solving problems
- Elara04
- · Replies 1 ·
Checking My Understanding of the Naive Bayes Theorem
- jisbon
- · Replies 1 ·
Solving trigonometry equation involving half-angle
- songoku
- · Replies 42 ·
Prove that ## \sum_{d\mid n} f(d)=\sum_{d\mid n} f(\frac{n}{d}) ##.
- Math100
- · Replies 5 ·
Why does the dot product in this solution equal zero?
- Darkmisc
- · Replies 3 ·
How to find out the sin value from cos
- rssvn
- · Replies 9 ·
Every S-composite can be expressed as a product of S-primes
- Math100
- · Replies 13 ·
How can we prove the bac-cab rule using a geometrical derivation?
- ady
- · Replies 7 ·
Prove that ## \sum_{d\mid n}\sigma_{1}(d)\sigma_{1}(\frac{n}{d}) ##
- Math100
- · Replies 20 ·
Prove by the principle of induction
- acrobaticelectron
- · Replies 14 ·
Where is the mistake in my probability calculation for a 20cm string cut?
- songoku
- · Replies 2 ·
Five proofs about odd and even integers
- deme76
- · Replies 4 ·
Determine all integers ## n ##
- Math100
- · Replies 10 ·
Precise definition of tangent line to a curve
- MiddleEast
- · Replies 18 ·
Is the following true, for each positive integer ## k ##?
- Math100
- · Replies 19 ·
Use the Euclidean algorithm to find integers ## a, b, c ##
- Math100
- · Replies 5 ·
Is A(A^t)+(A^t)A always symmetric for square matrices?
- TheScienceAlliance
- · Replies 1 ·
Prove that ## 4\mid \sigma_{1}(4k+3) ##
- Math100
- · Replies 5 ·
Determine (with proof) the set of all prime numbers
- Math100
- · Replies 3 ·
Determine all integers ## n ## for which ## \phi(n)=16 ##
- Math100
- · Replies 14 ·
Prove that ## n ## must be a power of ## 2 ##
- Math100
- · Replies 15 ·
Find the values of a real number ##a## for an inequality to hold
- brotherbobby
- · Replies 7 ·
Prove that ## 1^{p-1}+2^{p-1}+3^{p-1}+\dotsb +(p-1)^{p-1}\equiv -1 ##.
- Math100
- · Replies 1 ·
Establish that ## a\equiv b\pmod {p} ##
- Math100
- · Replies 8 ·
Prove that ## 1835^{1910}+1986^{2061}\equiv 0\pmod {7} ##
- Math100
- · Replies 19 ·
Rationalizing this fraction involving square roots
- songoku
- · Replies 3 ·
Probability of selecting two white balls from two bags
- vcsharp2003
- · Replies 2 ·
Verify that ## x\equiv a^{p-2}b\pmod {p} ## is a solution
- Math100
- · Replies 6 ·
Why use 2π cycles for tangent equation instead of π
- chwala
- · Replies 1 ·
Prove that ## a^{3}+1 ## is divisible by ## 7 ##.
- Math100
- · Replies 1 ·
Probability that A will win given a condition
- vcsharp2003
- · Replies 15 ·
Verify that ## a^{5} ## and ## a ## have the same units digit
- Math100
- · Replies 1 ·
Show that ## 60 ## divides ## a^{4}+59 ##
- Math100
- · Replies 2 ·
Find the units digit of ## 3^{100} ## by the use of Fermat's theorem
- Math100
- · Replies 1 ·
Derive ## a^{7}\equiv a\pmod {42} ## for all ## a ##
- Math100
- · Replies 6 ·
Pattern of variables with absolute value exponents
- mcastillo356
- · Replies 6 ·
Prove a^21 ≡ a (mod 15) using Fermat's theorem
- Math100
- · Replies 3 ·
Show that ## 168=3\cdot 7\cdot 8 ## divides ## a^{6}-1 ##
- Math100
- · Replies 4 ·
Deduce that ## 13\mid (11^{12n+6}+1) ##
- Math100
- · Replies 2 ·