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.
Given an integer, find the probability its cube ends in 111
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How do you know how many solutions there are for z?
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If ## a ## is an odd integer, then ## a^{2}\equiv 1\pmod {8} ##?
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Show that ## (-13)^{n+1}\equiv (-13)^{n}+(-13)^{n-1}\pmod {181} ##?
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For ## n\geq 1 ##, use congruence theory to establish....
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Question about limits involving 1/x
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For ## n\geq 1 ##, use congruence theory to establish....
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For ## n\geq 1 ##, use congruence theory to establish....
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For ## n\geq 1 ##, use congruence theory to establish?
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Prove that the integer ## 53^{103}+103^{53} ## is divisible by....
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What is the remainder when the following sum is divided by 4?
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Solve the quadratic equation that involves sum and product
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Find the two values of the common ratio- Geometric sequence
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How to find the remainders when ## 2^{50} ## and ## 41^{65} ## are?
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Can a polynomial have an irrational coefficient?
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How many positive integer solutions satisfy this equation?
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Amount of money a player to receive
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Prove Homothetic Triangles Concurrent: Ceva's Theorem
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Show that ## a^2\equiv b^2 \mod n ## need not imply that ## a\equiv b \mod n ##
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Volume of pyramid formed by center of 5 spheres inside a hemisphere
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Why have these endpoints been excluded?
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Solve this problem that involves combinations
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How Do You Calculate Permutations for Complex Problems?
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How many quadrilaterals formed from n-gon no adjacent sides
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Number of positive integer solutions for given equation
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What is the relationship between random walks and destinations?
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Solve this problem that involves the factor theorem
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Evaluate ##\dfrac {x^\frac{3}{2}+xy}{xy-y^3}-\dfrac {\sqrt x}{\sqrt x -y}##
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Prove the given equation that involves indices
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Alternative Methods to Find Arithmetic Sequence's Common Ratio
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Prove that ## gcd(a, n)=gcd(b, n) ##.
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Solving this problem that involves the area of triangle
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Show that 13 is the largest prime that can divide....
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Prove that ## p_{n+3}^{2}<p_{n} p_{n+1} p_{n+2} ##
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If ## p ## and ## p^{2}+8 ## are both prime numbers, prove that....
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Use induction and the Bertrand conjecture to show that....
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If ## n>1 ##, show that ## n ## is never a perfect square
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Prove ## a/d\equiv b/d \mod n/d ##.
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Length of AD inside a triangle ABC
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Find how many points on a circle have an integer distance from other points
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Prove the following assertion: ## ca\equiv cb \mod cn ##.
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How Is E(S5) Calculated in a Poisson Process?
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Prove the following assertion about modular arithmetic
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Use Remainder theorem to find factors of ##(a-b)^3+(b-c)^3+(c-a)^3##
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Probability of getting arithmetic sequence from 3 octahedron dice
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Find the unknown values in the problem involving trigonometry graphs
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Every integer greater than 5 is the sum of three primes?
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Prove that the Goldbach conjecture that every even integer....
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Markov processes (Weight Suspended equally by n Cables)
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How many arrangements of these students on the committee?
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For n>3, show that the integers n, n+2, n+4 cannot all be prime
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How to calculate θ when you have sin(θ+α)
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In 1752, Goldbach submitted the following conjecture to Euler?
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Find the set of possible values of ##a## - Modulus Graph
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Verify that the integers 1949 and 1951 are twin primes
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Find all pairs of primes ## p ## and ## q ## satisfying ## p-q=3 ##.
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Find the unknown values in the problem involving trigonometry graphs
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Show that the sum of twin primes ## p ## and ## p+2 ## is divisible?
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For ## n>1 ##, show that every prime divisor of ## n+1 ## is an odd integer
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Interpreting Statistical Questions: Ice Hockey Player Diff.
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Given that ## p\nmid n ## for all primes ## p\leq \sqrt[3]{n} ##
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Prove that if ## n>2 ##, then there exists a prime ## p ## satisfying....
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What is the Pattern for Finding the Missing Number in a Sequence?
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B: Calculate the distance between two points without using a coordinate system
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Solve the problem involving linear programming
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Calculate distance from a point 100m from a plane given two angles
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Help Calculating Real Estate Tax
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Confusing algebraic word problem
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Some algebra I don't understand: Solve for R
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Prove that ##S## is a subspace of ##V##
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Show that any composite three-digit number must have a prime factor
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Sum of Infinite Series: Finding the Value of S
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The infinite limits of the probability transition matrix for Markov chain
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Proof of the trig identities for half-angles
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Find the area of the shaded region in the inscribed circle on square
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Why does the author's answer for (b) and (c) differ from my answer of 1-0.1k?
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Find the mode, median and mean of the number of children
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Elements of Combinatorial Analysis
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Is My Understanding of Poisson Distribution Correct for Different Area Sizes?
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Finding the Area of a Sector using Trigonometric Functions
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Need help with a question about powers of complex numbers
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Choice, Chance and Sensible Logic
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Find Co-ordinates of Point C in Problem Involving Straight Line Equations
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Method of detached coefficients division
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Correct statement related to confidence interval
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Find the prime factorization of the integers 1234, 10140, and 36000?
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Solve for x and y in the given algebra problem involving fractions
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Find the minimum perimeter of a triangle with these constraints
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Conditional probability of a test records this positive result
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Find the value of ##5x+5y## in the given equation
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Solve for x in this inequality problem
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Find the percentage loss in the purchase and sale of bananas
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Need help in manipulating rational absolute value inequalities
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Could there have been another value for Pi?
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Definition of multiplying fractions -- help please
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I don't understand this problem -- Surface area of a section of a solid sphere
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Algebra: distance from a fixed point
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Investigating Linearity of Event Occurrences Over Time
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Find order of rotational symmetry for the given shape
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Can anyone please verify/review this counterexample?
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