Precalculus Mathematics Homework Help Forum

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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.
How do we get from one step to another in these factorial equations?
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Solve the given trigonometry problem
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10
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1K
Determine the set of odd primes ## p ##?
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14
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1K
Binary operation on equivalence classes
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3
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821
Find all possible solutions of x^3 + 2 = 0
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9
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979
Find all the solutions of the congruence
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6
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711
Show that ## p ## divides ## 2^{(p-1)/2}-1 ##
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1
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742
Proof of Inequality: Induction & Derivation Help
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12
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1K
Evaluate the Legendre symbol ## (999|823) ##
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3
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729
Finding the Distance to a Building with Trigonometry
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4
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1K
Finding the Volume of a Slightly non-Rectangular Box
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19
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What does the identity mean here?
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3
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596
Verify that ## A(225)\geq 1 ##
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1
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780
F(x)=(x+1)^0.5, h(x)=x^2+3, what is the range of f(h(x))?
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4
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876
Verify that ## L(1, \chi)\neq 0 ##
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4
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745
Evaluating several powers of ##x## from a given equation
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6
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886
Analysis of the mechanics of skydiving
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1
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695
How to construct a table of values for Dirichlet characters?
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18
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1K
Show that (a-b) + (c-d) = -(b+d) - (-a-c)
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6
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766
What is the formula for finding the nth partial sum?
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15
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968
Master Factorization with Step-by-Step Guide for x^4 - 3x^2 - 4
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19
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1K
Calculate angle AEC and ADC
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8
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1K
Find the remainder when ## 823^{823} ## is divided by ## 11 ##
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14
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1K
Solve the given simultaneous equations that involves hyperbolas
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4
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743
Calculate the position vector for 3di
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1
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833
Question about vector coordinates
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4
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801
Inequality involving a reciprocal - where's the mistake?
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12
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1K
Solve the simultaneous linear congruences
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4
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942
Conditional probability problem
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15
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990
Solving an inequality involving absolute values
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11
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Solve the given permutation problem
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1
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823
Find the highest power of ## 3 ## dividing ## 823 ##
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9
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1K
Proving that the inverse of a rational number exists
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8
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1K
Prove the trigonometry identity and hence solve given problem
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5
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985
Set properties of even (##E##) and odd (##I##) integers
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5
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796
Find the length of PA - deductive Geometry
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1
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624
Help simplifying this algebraic expression please
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4
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782
Prove that ## li(x)\sim \frac{x}{\log x} ##.
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3
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917
Determine the day of the week on which you were born
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18
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1K
Graph Sin(2x+6): Is Parent Function the Best Option?
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6
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939
Find the constants ## A ## and ## B ##
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1
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829
Using this Libre Calc statement: =if(B4=50,100)
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3
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755
Prove that ## \sum_{n\leq x}\frac{\phi(n)}{\sqrt{n}}=Cx^{3/2}+.... ##.
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4
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979
Solving an equality with absolute values
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10
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945
How to find the constant B in here?
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7
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953
Prove that the altitudes of a triangle are concurrent
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3
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Use Euler's summation formula to prove the following....
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17
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Verify this result when ## n=10 ##
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8
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745
Apply trigonometric methods in solving problems
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1
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826
Checking My Understanding of the Naive Bayes Theorem
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1
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946
Solving trigonometry equation involving half-angle
2
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42
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2K
Prove that ## \sum_{d\mid n} f(d)=\sum_{d\mid n} f(\frac{n}{d}) ##.
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5
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794
Why does the dot product in this solution equal zero?
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3
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773
How to find out the sin value from cos
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9
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1K
Every S-composite can be expressed as a product of S-primes
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13
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1K
How can we prove the bac-cab rule using a geometrical derivation?
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7
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8K
Prove that ## \sum_{d\mid n}\sigma_{1}(d)\sigma_{1}(\frac{n}{d}) ##
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20
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Prove by the principle of induction
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14
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986
Find the probability that the shorter piece of a 20cm string is at least 8cm when the string is cut randomly
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2
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842
Problem set with 5 proofs involving odd, even, parity, etc.
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4
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819
Determine all integers ## n ##
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10
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810
Precise definition of tangent line to a curve
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18
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Is the following true, for each positive integer ## k ##?
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19
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761
Use the Euclidean algorithm to find integers ## a, b, c ##
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5
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840
MHB True or False Question about Square Matrices
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1
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958
Prove that ## 4\mid \sigma_{1}(4k+3) ##
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5
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874
Determine (with proof) the set of all prime numbers
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3
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946
Determine all integers ## n ## for which ## \phi(n)=16 ##
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14
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Prove that ## n ## must be a power of ## 2 ##
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15
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Find the values of a real number ##a## for an inequality to hold
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7
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Prove that ## 1^{p-1}+2^{p-1}+3^{p-1}+\dotsb +(p-1)^{p-1}\equiv -1 ##.
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1
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Establish that ## a\equiv b\pmod {p} ##
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8
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807
Prove that ## 1835^{1910}+1986^{2061}\equiv 0\pmod {7} ##
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19
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Rationalizing this fraction involving square roots
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3
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820
Probability of selecting two white balls from two bags
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2
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Verify that ## x\equiv a^{p-2}b\pmod {p} ## is a solution
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6
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872
Solve the given trigonometry equation
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1
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700
Prove that ## a^{3}+1 ## is divisible by ## 7 ##.
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1
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808
Probability that A will win given a condition
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15
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932
Verify that ## a^{5} ## and ## a ## have the same units digit
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1
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1K
Show that ## 60 ## divides ## a^{4}+59 ##
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2
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821
Find the units digit of ## 3^{100} ## by the use of Fermat's theorem
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1
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987
Derive ## a^{7}\equiv a\pmod {42} ## for all ## a ##
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6
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Pattern of variables with absolute value exponents
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6
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883
Derive the following congruence....
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3
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Show that ## 168=3\cdot 7\cdot 8 ## divides ## a^{6}-1 ##
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4
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865
Deduce that ## 13\mid (11^{12n+6}+1) ##
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2
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630
Show that ## 133\mid (a^{18}-b^{18}) ##.
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3
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722
Show that ## a^{12}\equiv 1\pmod {35} ##.
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1
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876
How do I manually stack photos for an equal average using given opacity levels?
2
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46
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2K
Verify that ## 17 ## divides ## 11^{104}+1 ##
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5
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989
Can we use criss-cross approach with complex number equations?
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9
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824
Understanding cot2(theta) = A-C / B
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8
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4K
Obtain the two incongruent solutions modulo 210 of the system
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7
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Find the solutions of ## 7x+3y\equiv 6\pmod {11} ##.
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2
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883
Can this system of inequalities be solved for x?
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5
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758
Find the solutions of the following system of congruences
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2
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803
Obtain the eight incongruent solutions of the linear congruence
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2
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921
Find the solutions of the system of congruences
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1
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852
How to find all solutions of ## 3x-7y\equiv 11\pmod {13} ##?
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6
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Precalculus Homework Help

Precalculus Homework Help involves providing support to students working on assignments related to precalculus, a preparatory course that covers mathematical concepts essential for calculus.

This assistance includes clarifying precalculus topics such as functions, trigonometry, algebraic expressions, and graphing. Tutors or resources offering precalculus homework help aim to reinforce students' understanding of foundational mathematical principles and prepare them for the more advanced concepts introduced in calculus.

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