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 You Calculate the Probability of Coin Toss Outcomes with Biased Coins?
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Is w1/w2 = √r2/r1 the Correct Derivation for Circular Central Force?
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Finding limitations for matrix
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Factorizing determinants and rules to simplify them
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Proving Inequality $$4x^4 + 4y^3 + 5x^2 + y + 1 \ge 12xy$$
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Probability of Non-Adjacent Zeros in 11-Digit Integer with 1 and 0 Digits
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Solving R Homework: Sunspots Data
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Understanding Trigonometric Identities: Solving for -1
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How Many Unique 7-Digit Numbers Can Be Formed Using Specific Repeated Digits?
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Normal distribution or Uniform distribution
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Finding the equation to hyperbola
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Find F(7) and F(a^2-2) (a≥2) -- Simplify .
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Rate of Change for Ball Thrown: How to Use the Formula f(b)-f(a)/b-a
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Probability question involving intersections
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Basic statistics/probability question
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Solving an equation, I have an incorrect solution
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I don't understand how parameters are eliminated
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What is the 2015th decimal number in the division 2015 by 7
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What is the real part of z when given 1/z = 1/R + 1/(iωL)?
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Product of Two Summations for Matrices and Vectors
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Solve F(x,y) = 0 for y = 1: Solve Equation
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How to find the vertex of G(t)=1/2(t^2-4t)
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Calculating Easter Day in 2015
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Series, arithmatic progression.
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Solving a Quadratic Equation: Finding the Minimum
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Probability/Combinatorial Question
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Can Sequence r_n Be Bounded by O(log2(log2 n))?
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Finding the Bounded Region of x=0, y=0, y=x^2, y=4-x^2 and x=2
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Finding the Axis of Symmetry in a Parabola: How to Solve the Problem
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Ellipse Major Axis Determination
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How can I solve this trigonometric equation using the given equations?
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Fixed point iteration, locally convergent
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Marketing Research (Cost, Revenue, Etc.)
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Parametrization of Witch of Agnesi
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Quadratic Inequality: Solve for 4/m-2/n Without a Calculator
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Math Algebra Problem: Empty Fuel Tank in 4.8 Hours
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Finding the exact value of a summation.
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Prove that a point in triangle is the centroid
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System of linear and non-linear equations
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Why does (p*q+2)-(p+q) always give a prime number?
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I'm having trouble creating my own trig function
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Weighted Least Squares Solution
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Can x be written as both a positive and negative value in an equation?
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Probability of finding all 5 errors in a text with 3 people?
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How Can You Solve the Homework Challenge on Vectors and Similar Triangles?
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Probability of At Least 1 Child Receiving 6 or 7 Candies
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Segment of a circle (Exact form answer)
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Standard form, vertex form. Something isn't right here
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Why Are My Composite Function Solutions Incorrect?
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Finding 102 * 9.8/10^-4: Where Did I Go Wrong?
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Incircle Trig Problem: Proving a Triangle is Right-Angled | Homework Help
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System of Equations (Matrices)
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Calculating Posterior Prob. of an Impurity's Presence
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Can someone check my solution to a trigonometric equation?
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Help with understanding a floor proof
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-- cumulative distribution function, probability density
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Average percent growth per year
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What is geometric interpretation of this equality?
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DNA sequence modeled as 4 faced die
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Express a series in sigma notation
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Intersection between exponential models?
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Calculate A's Evolution Over 1000 Generations with Mutation Probability
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When magnitude of addition is equals to
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Trigonometry identities and equations
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Equation for y to obtain an equation that represents circle
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Precalculus -- determine the rate of change of the function
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Filling in piecewise function from given graph
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How do you graph the linear function f(x) = (x + p) + q?
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Sequence Analysis (probability)
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Calculating Shoe Sales Probabilities: A Workbook Exercise
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Solving equation involing radicals
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Maximum area of a triangle inscribed in another triangle?
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The plot of a linear relation given an equation
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Coin flip deal (stats/probability)
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Simple proof regarding integers
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Find Probability of Exactly One Event Occurring
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What is the relationship between vectors perpendicular to (1,1,1) and (1,2,3)?
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Expressing complex numbers in the x + iy form
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Calculating FFT for discrete values
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Help with simplifying boolean expression
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Proofing My "Arithmetic?" Proof
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I want to prove the asymptotes for the inverse cotangent.
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Can a Graph Have m Times More Edges Than Vertices?
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How to Choose the Right Proof Method for Mathematical Propositions?
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Sampling Frequencies: f1, f2, f3 with fs=1000Hz
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Number of possibilities of words with limitations
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How Many Children Can Attend the Christmas Party Given the Present Conditions?
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Need some help with solving a logarithmic equation
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Proving Trig Identity: csin(A-B/2)=(a-b)cos(C/2)
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Mathematical proof for non linear system
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How Many Girls Can Swim in a School of 2100 Pupils?
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Compound Angles: Find Exact Value of cos(a+b)
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Trig Function Help: Get Answers Now
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Identifying variables as quantitative or categorical
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Further Trigonometry Identity (Proving question)
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Trigonometric Identities and equations
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Proving a mathematical statement
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Solving for x, but only getting half
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(Rigorously) Prove that two medians of a triangle intersect
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Polynomial Long Division for Limit Calculation
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