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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814
Find all possible solutions of x^3 + 2 = 0
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9
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974
Find all the solutions of the congruence
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6
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707
Show that ## p ## divides ## 2^{(p-1)/2}-1 ##
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1
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733
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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721
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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591
Verify that ## A(225)\geq 1 ##
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1
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773
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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874
Verify that ## L(1, \chi)\neq 0 ##
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4
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736
Evaluating several powers of ##x## from a given equation
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6
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882
Analysis of the mechanics of skydiving
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1
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686
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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760
What is the formula for finding the nth partial sum?
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15
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962
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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742
Calculate the position vector for 3di
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1
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828
Question about vector coordinates
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4
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798
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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937
Conditional probability problem
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15
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988
Solving an inequality involving absolute values
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11
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1K
Solve the given permutation problem
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1
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815
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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976
Set properties of even (##E##) and odd (##I##) integers
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5
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788
Find the length of PA - deductive Geometry
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1
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623
Help simplifying this algebraic expression please
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4
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780
Prove that ## li(x)\sim \frac{x}{\log x} ##.
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3
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912
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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931
Find the constants ## A ## and ## B ##
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1
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828
Using this Libre Calc statement: =if(B4=50,100)
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3
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752
Prove that ## \sum_{n\leq x}\frac{\phi(n)}{\sqrt{n}}=Cx^{3/2}+.... ##.
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4
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972
Solving an equality with absolute values
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10
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939
How to find the constant B in here?
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7
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951
Prove that the altitudes of a triangle are concurrent
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3
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1K
Use Euler's summation formula to prove the following....
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17
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1K
Verify this result when ## n=10 ##
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8
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738
Apply trigonometric methods in solving problems
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1
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823
Checking My Understanding of the Naive Bayes Theorem
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1
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940
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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790
Why does the dot product in this solution equal zero?
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3
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767
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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978
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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831
Problem set with 5 proofs involving odd, even, parity, etc.
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4
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817
Determine all integers ## n ##
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10
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807
Precise definition of tangent line to a curve
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18
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1K
Is the following true, for each positive integer ## k ##?
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19
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755
Use the Euclidean algorithm to find integers ## a, b, c ##
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5
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837
MHB True or False Question about Square Matrices
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1
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954
Prove that ## 4\mid \sigma_{1}(4k+3) ##
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5
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866
Determine (with proof) the set of all prime numbers
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3
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939
Determine all integers ## n ## for which ## \phi(n)=16 ##
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14
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1K
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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886
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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1K
Establish that ## a\equiv b\pmod {p} ##
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8
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803
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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818
Probability of selecting two white balls from two bags
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2
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1K
Verify that ## x\equiv a^{p-2}b\pmod {p} ## is a solution
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6
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863
Solve the given trigonometry equation
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1
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697
Prove that ## a^{3}+1 ## is divisible by ## 7 ##.
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1
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803
Probability that A will win given a condition
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15
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925
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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816
Find the units digit of ## 3^{100} ## by the use of Fermat's theorem
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1
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980
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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878
Derive the following congruence....
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3
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714
Show that ## 168=3\cdot 7\cdot 8 ## divides ## a^{6}-1 ##
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4
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856
Deduce that ## 13\mid (11^{12n+6}+1) ##
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2
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628
Show that ## 133\mid (a^{18}-b^{18}) ##.
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3
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712
Show that ## a^{12}\equiv 1\pmod {35} ##.
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1
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869
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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977
Can we use criss-cross approach with complex number equations?
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9
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819
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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876
Can this system of inequalities be solved for x?
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5
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753
Find the solutions of the following system of congruences
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2
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798
Obtain the eight incongruent solutions of the linear congruence
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2
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918
Find the solutions of the system of congruences
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1
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845
How to find all solutions of ## 3x-7y\equiv 11\pmod {13} ##?
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6
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Precalculus Homework Help

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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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