Precalculus Mathematics Homework Help Forum

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.

Threads

Designing a Logic Function for Airplane Seating Arrangements

  • Drao92
  • · Replies 4 ·
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4

Determine if a transformation is linear.

  • thatguythere
  • · Replies 5 ·
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5

Find the coordinated of a point.

  • VertexOperator
  • · Replies 1 ·
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1
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7

A Series of Even numbers squared

  • hms.tech
  • · Replies 2 ·
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2

Probability of Independent Sets: A,B in Sample Space Z

  • ParisSpart
  • · Replies 5 ·
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5

How can I simplify this expression using index laws?

  • miniradman
  • · Replies 7 ·
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7

Can You Solve 0.221=sinθcosθ for θ Without a Calculator?

  • hahaha158
  • · Replies 1 ·
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1

Random oceanography related mathematics

  • Dangshnizzle
  • · Replies 4 ·
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4

Solving a Quadratic Equation with Unknown X Coefficient: Homework Help

  • Need-Help
  • · Replies 9 ·
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9

Trig, find tan A and tan B (no numbers given)

  • uperkurk
  • · Replies 5 ·
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5

How do I solve goniometric inequations with cosine and tangent?

  • scientifico
  • · Replies 6 ·
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6
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1

How can I solve this Trigonometry equation in RxR?

  • Andrax
  • · Replies 1 ·
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1

Algebra problem using graphing calc

  • 5ymmetrica1
  • · Replies 11 ·
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11

Find the missing length (trig)

  • uperkurk
  • · Replies 6 ·
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6

Fermat's Last Theorem related question

  • Ninty64
  • · Replies 3 ·
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3

Exponential growth word problem, pie.

  • Matriculator
  • · Replies 7 ·
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7

Discrete math:Placing beads on a necklace

  • hsetennis
  • · Replies 4 ·
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4

Isolating a variable in an exponent

  • thatguythere
  • · Replies 15 ·
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15

Scatter plot, equation of exponential function

  • pbonnie
  • · Replies 8 ·
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8

Algebraic conversion of LHS to RHS equation

  • physicsernaw
  • · Replies 3 ·
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3

Transformations of y = ab^k(x-4) + c

  • pbonnie
  • · Replies 3 ·
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3

Vector Projections: A, B & C Explained

  • NATURE.M
  • · Replies 10 ·
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10

Simple formula for an exponential function. Please help i'm stuck

  • andrewkg
  • · Replies 28 ·
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28

How do you simplify trig identities with cosθ + sinθ = √2 cos(θ-∏/4)?

  • weirdobomb
  • · Replies 6 ·
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6

Solve Logarithm Equations Using Log and Exponential Functions | Homework Help

  • Matriculator
  • · Replies 17 ·
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17

Logorithm/Exponential bacteria growth? Quick yes or no question.

  • Matriculator
  • · Replies 8 ·
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8

Comparing weighted means in two sets of data

  • bottles
  • · Replies 1 ·
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1

Statistical Problem dealning with Probability

  • Withoutlogic
  • · Replies 8 ·
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8

Convert Radians to Seconds - Solve f(t)=Rsin(ωt + θ)

  • fonz
  • · Replies 8 ·
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8

Does 1+2+3+...+n ever end in 13?

  • d4rkwarrior
  • · Replies 11 ·
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11

Solving algebraic inequalities

  • Elihu5991
  • · Replies 2 ·
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2

Separating e^(xi) to form a-bi

  • thunderjolt
  • · Replies 3 ·
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3
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4

Centre of a circle & complex numbers

  • phospho
  • · Replies 1 ·
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1

Help with Trig Functions - min/max values and least + values of x

  • TalkOrigin
  • · Replies 7 ·
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7

For Statics:Simple Systems of Equations to Solve Equilibrium Problems

  • jklops686
  • · Replies 6 ·
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6

Quadratic Equations: Homework on Non-Real Roots

  • Saitama
  • · Replies 5 ·
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5

How long will it take to sail across the bay to the harbor?

  • Abdeln
  • · Replies 6 ·
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6

P-value Calculation for Water Filter Defect Experiment

  • schapman22
  • · Replies 11 ·
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11

Proving the Solution to a Recurrence Relation Using Mathematical Induction

  • jokiemay
  • · Replies 13 ·
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13

How Do You Calculate the Mean and Its Standard Deviation in Error Analysis?

  • startinallover
  • · Replies 1 ·
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1

Proove that e^x is always positive

  • aaaa202
  • · Replies 9 ·
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9

Find # Sequences for Increasing Sequence Problem

  • trollcast
  • · Replies 6 ·
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6

Help Evaluating Complex Numbers

  • VertexOperator
  • · Replies 5 ·
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5

Simple Question Regarding Quadratic Equations (pre-calc)

  • TalkOrigin
  • · Replies 4 ·
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4

Prove that sequence is monotonic

  • Siune
  • · Replies 3 ·
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3

Solving the Mystery of sinh(-3) ≥ -3 or sinh(-3) ≤ -3?

  • aaaa202
  • · Replies 2 ·
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2

Explicit Formula for Onto/Non-One-to-One Function

  • persian52
  • · Replies 6 ·
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6

Among the following sets, identify all pairs of equal sets?

  • persian52
  • · Replies 3 ·
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3

Probabilty of one tail followed by three heads with a biased coin

  • battery88
  • · Replies 4 ·
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4

Want to solve a quadratic equation

  • whyonlyme
  • · Replies 21 ·
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21

Binomial probability with TI-84 binomcdf function

  • battery88
  • · Replies 2 ·
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2

Stats-crv-exponential distribution

  • schapman22
  • · Replies 1 ·
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1

How Do I Find the Y-int of a Curved Waveform?

  • Meadman23
  • · Replies 5 ·
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5

Calculating Vectors: A, B, and C

  • organgeatom
  • · Replies 2 ·
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2

Boolean algebra: Logical equivalence

  • Bipolarity
  • · Replies 1 ·
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1

Equation with logarithmic and polynomial terms

  • NanakiXIII
  • · Replies 6 ·
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6

Multiplication Rule in Probability

  • odolwa99
  • · Replies 4 ·
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4

Summation of Series Homework: Find Sn

  • tyneoh
  • · Replies 6 ·
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6

One 3rd degree equation with two variables. Can it be a solution?

  • Ceva
  • · Replies 3 ·
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3

How Accurate is a Medical Test for Gingivitis?

  • neubreed
  • · Replies 10 ·
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10

Least Squares Method- What is the Measured mean value of y ?

  • nerdy_hottie
  • · Replies 25 ·
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25

Proof regarding distances from a point in a grid

  • physicsernaw
  • · Replies 3 ·
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3

What is the Correct Way to Determine Percentages from Ratios?

  • lorik
  • · Replies 3 ·
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3

Matrix and inverse matrix question?

  • nishantve1
  • · Replies 3 ·
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3

Symmetry of a graph. SymmT(A)?

  • Matriculator
  • · Replies 6 ·
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6

Algebra step confusion and unnatural completing the square

  • phospho
  • · Replies 7 ·
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7
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3

What is the connection between sine and cosine and geometry?

  • aaaa202
  • · Replies 4 ·
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4

Solving for the Height of a Rectangular Hyperbola

  • zaddyzad
  • · Replies 3 ·
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3

Presumably simple logarithm equationt

  • Chase.
  • · Replies 1 ·
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1

Logarithm Inequality: Solving 3(1-3^x) < 5^x(1-3^x)

  • scientifico
  • · Replies 1 ·
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1

Confusing Algebra based question

  • hms.tech
  • · Replies 10 ·
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10

Solve Logarithm Equation: 3x + 3x+1 = 4x

  • scientifico
  • · Replies 8 ·
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8

Probability Question - colored balls in 2 bowls - Baye's formula?

  • GreenPrint
  • · Replies 7 ·
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7

Complex Numbers: Solutions for z^n=a+bi , where |a+bi|= 1.

  • Komandos
  • · Replies 12 ·
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12

Probability Question - using the combinations counting form C(n,k)

  • GreenPrint
  • · Replies 6 ·
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6

Probability Q: Show A & B Independent

  • GreenPrint
  • · Replies 5 ·
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5
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4

I can't understand this linear equation at all

  • xilc
  • · Replies 5 ·
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5

Probability Question - Prove Formula

  • GreenPrint
  • · Replies 1 ·
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1

Markov chain absorption probabilities for N = 3 particles

  • macca1994
  • · Replies 3 ·
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3

Simple relationship equation major headache

  • Ronb107
  • · Replies 2 ·
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2

Break even on cell phone plans

  • Ronb107
  • · Replies 1 ·
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1

Combinations Question ; I must be missing something

  • hms.tech
  • · Replies 2 ·
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2

Probability of equal men and women in a group of 4

  • GreenPrint
  • · Replies 6 ·
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6
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2

Rational Completeing the Square

  • ISX
  • · Replies 3 ·
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3

Having a problem with inverse proportion

  • mc2_phy
  • · Replies 3 ·
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3

Cross Product of a Constant Vector

  • quantumfoam
  • · Replies 3 ·
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3

Finding the Capacity of a Jug Using Basic Algebra

  • hms.tech
  • · Replies 6 ·
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6

Is Your Vector Part of the Matrix's Solution Space?

  • yy205001
  • · Replies 1 ·
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1

Deriving addition of sines from Euler's formula

  • Roo2
  • · Replies 1 ·
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1

Probability of Getting Blue M&M from Mini Bag of 20

  • lopko
  • · Replies 7 ·
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7

What is the correct expression for \vec{OP}?

  • Argyron
  • · Replies 4 ·
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4

Setting up an inequality with absolute value

  • bnosam
  • · Replies 7 ·
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7

Basic set theory question about complement

  • damightytom
  • · Replies 1 ·
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1

Solving Odd Digit Divisibility by Five using Permutations

  • hms.tech
  • · Replies 8 ·
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8