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.
Harmonic Mean of Roots: Solving a Quadratic Equation with Complex Terms
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Solving Limit of log(sin(x))/log(x) without L'Hopital's Rule
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Help with Double Angle Identities
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Calculate 5Σ r=0 r(r+1): Find the Sum!
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Proving equivalence of two sinusoidal formulas
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Exact Value of Trigonometric Equations
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Spherical Coordinates Question
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Column Space of Matrix A and ref(A)
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Is there a specific pattern for the graph of |cos x| between 0 and 2∏?
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Exploring Large Numbers: Comparing f(n) and g(n) as n Increases
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Algebra II Trigonometry Circular Functions
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Just a question about vertical and horizontal line tests
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Probability question arranging teams
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Arc area of a sphere? (a piece of r^2*sinθ*ΔrΔθΔφ)
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Speed-distance Algebra 1 Problem
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Understanding the Quadratic Formula: Why the Negative Root is Not Considered
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Exploring Complex Numbers: Roots and Spreading Patterns
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What is the Relationship Between Logarithms and Progressions in Mathematics?
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Proving a,b,c are in an AP: Solving 25(9a^2+b^2)+9c^2-15(5ab+bc+3ca)=0
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Show 2 of 3 points on a circle are the diameter
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Trignometric manipulation problem
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Find the common difference of this A.P.
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Proof That Isometries Preserve Parallel Lines
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Trigonometry- addition and factor forumla
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Function question. Is this correct?
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Solving for Unknown Sides in a Right Triangle: Pythagorean Theory Help
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Progressions and series prove this
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Primary School Logic Problem: Finding Possibilities for Balloon Spots
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How many ways can French and Spanish books be arranged on a shelf?
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Solving Summations of n.n! Terms
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Find the number of triangles given n lines
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Proving the Equation a-(-a)=a+b in an Additive Group
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Can You Find the Greatest Value Using Only AM-GM Inequality?
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Matrices: Transpose and Inverse
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Determine if these are functions
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Conic section problem (ellipse)
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Trigonometric Solutions for tg(4x) = 1: Clarifying Doubts and Correctness
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How to Prove an Inequality Involving Positive Real Numbers?
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Probability that n points lie on one side of a circle
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Prove that the rᵗʰ term in the nᵗʰ row of Pascal's triangle is nCr.
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Domain of a Function: Real vs Complex Numbers
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Solving a trigonometric equation
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Changing the bases of logs question
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Function from Z to N: Onto N but Not One-to-One
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Calculate the surface and the angle of the figure below.
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Finding distance of point to y-axis.
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Factoring the equation z^(n)-1=0 where z is a complex number
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Why Is the Binomial Expansion Only Valid for |a| < 1?
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Trig Proof: Proving cos and sin of pi/12 using m and n values
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How do I go from the form sin(6x) to the form A sin(x)?
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Geometrical (circle) Proofs - Help
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Arithmetic Sequence: Finding the First 3 Terms Using tn= t1+(n-1)d
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Resolving Forces question applied force and friction force
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(log√125 + log √27 - √8)/ log 15 - log 2 = 3/2
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Square of transpose of two matrices
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Split Prize Money for Head & Tails Game: 6 Wins vs 4 Wins Ratio
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Probability of at least 5 consecutive heads in 10 coin flips
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Infinite Geometric Sequence: How to Find the Number of Terms
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Q: How to compute P(X=200 and Y<150)?
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Solve Logarithms with Ease: 2log10 + log10(1/2 + 1/3) + 1/3log27 Explained
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Logarithmic Expressions Simplified
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Understanding the Cosine Inverse Function and the Cast Rule
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Solve Logarithm Problem: "log3m4, in terms of n
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What is the Lower Bound of this Sequence?
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Convert a Laplace Function to image & real part
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How do you solve ln x=1/2x-1/2?
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Independent Poisson Processes Word Problem
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Easy exponential question-> 1/3(8)^(-2/3)
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More Logarithims. Is my first method correct?
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Greatest integer function limit problem. Proving whether the limit exists
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Given that log 2 3 = 1.585, find without using tables the
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Lateral area and volume of a cone divided equally by a plane parallel to base
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Find Sum of Arithmetic Series Sn: Σ 200 r=5 5r-2
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Isolating a variable when variable is in both sides of equation
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Why Does Tr(AB) Equal Tr(BA) for Matrices?
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Proof of Divisibility of k|n Given Relatively Prime k,m
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How to solve a Network Analysis
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What is the Sum of nth Roots of Unity and How Can It Be Proven?
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What Are the Images and Pre-Images of Intervals Under a Squaring Function?
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How Do You Complete the Square for x2+y2=2x?
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Is the Series S = 12-22+32-42...+20092 Equivalent to -(1+2+3+...+2008)?
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Log2 of 41/2 = 1: Simplifying Logarithms in Simple Steps
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Is f(m, n) = (m - n, n) a Bijective Function and What is its Inverse?
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How to solve for theta for this trig question?
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What is the proof for the property ⌊−x⌋ = −⌈x⌉?
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How Do You Simplify the Expression 1/3π(2h/3)^2 * h into 4π/27 * h^3?
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Solving Equations Using Trigonometric Identities
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How Do You Solve This Complex Trigonometric Equation?
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Isosceles hyperbola locus problem
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Find an effeciant way to deduce the roots of the equatioon
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So, for example, if θ = 2π, then θ = 2π ≠ cos-1(cos(2π)) = cos-1(1) = 0.
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How to make γ the subject of the formula? (logarithms involved)
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Understanding Solutions to 2x=x2
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Sound attenuation barrier height (trigonometry)
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Converting Functions: From y(x) to x(y) and the Algebra Behind It
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Piecewise function - create function from graph
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Logarithm equation with different base
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Strange right-arrow symbol ([itex]\mapsto[/itex]) in stochastic calculus.
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Exponential Inequality Challenge: Simplify and Solve for x
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Solving Logarithm Equation: 3x-5/12=3^1-x
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Precalculus Homework Help

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