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.
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Solving Geometry Problem: x=27, Is y Solvable?
- Bohrok
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When to use the formula (nCr x nCr)/nCr?
- jasper10
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How Do You Calculate the Probability Density Function for Scheduled Visits?
- Dollydaggerxo
- · Replies 1 ·
Solving Probability Problem: P(Z^3 > 1)
- danniim
- · Replies 1 ·
Algebraic Properties of Matrix Operations
- EV33
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Prove that the additive inverse -v of an element v in a vector space is unique.
- mammarf
- · Replies 7 ·
Converting units in scientific notation to other units.
- CinderTwig
- · Replies 5 ·
Inverse of f(x): Is it a Function or Relation?
- Monocerotis
- · Replies 1 ·
Blood types probabilities problem
- Mspike6
- · Replies 6 ·
Find feild where 1 = 0 and show that it is the only one
- rosh300
- · Replies 3 ·
Simplifying sin(3π/2+x) using angle addition
- shocklightnin
- · Replies 1 ·
How to tell if a base 5 number is odd without converting
- um0123
- · Replies 2 ·
How long will it take for polonium-218 to decay to 30%?
- Edgar92
- · Replies 6 ·
Find the relationship between x and a in the series Tn = (x ln a)^n/n!
- krayzee
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(1.73 x 10^3) (2.0 x 10^3) = 3.5 x_______?
- land_of_ice
- · Replies 2 ·
Probability that Tom wins a coin-tossing game
- danniim
- · Replies 4 ·
How Can I Solve This Integral Using Trigonometric Substitution?
- sania16
- · Replies 4 ·
Simplify \sum_{i=0}^{n}\binom{n}{i}2^{n-i} to 3^n
- noblerare
- · Replies 2 ·
Finding specific heat with unknown Q
- Kingbaldur
- · Replies 14 ·
Can I Separate a Constant and Variable Expression in Exponential Manipulation?
- winterwind
- · Replies 5 ·
Prove that 0v = 0 for an arbitaryvector v belong to V
- zeion
- · Replies 5 ·
Prove Power Set equation by Induction
- Happyzor
- · Replies 4 ·
How do I make a compensation vector?
- yamugushi
- · Replies 2 ·
Prove that the additive identity in a vector space is unique
- zeion
- · Replies 5 ·
What Is the Domain of the Function h(x) = sqrt(4 - x) + sqrt(x^2 - 1)?
- crono_
- · Replies 8 ·
Find b such that 3sin(x) - 1 = b has one solution in (0,2π)
- TyErd
- · Replies 14 ·
Develop Cubic equation with a few points
- LSCupcake
- · Replies 5 ·
Why does shifting a function to the right require a smaller input variable?
- greenneub
- · Replies 3 ·
Calculating Effect of Wind on Sprint Time: Why?
- heraclius
- · Replies 4 ·
Normal Distribution: Hypothesis Testing
- Draggu
- · Replies 8 ·
Limit of Function at (-1,3): Does it Exist?
- Nope
- · Replies 4 ·
Finding the limit of f(x) as x approaches infinity
- Nope
- · Replies 5 ·
Solving for Guy Wires using the Law of Cosines - 100ft Tower on a Hill
- gabrielh
- · Replies 8 ·
How Do You Model the Motion of a Spring Attached to a Ceiling with Energy Loss?
- Hockeystar
- · Replies 1 ·
Finding the Intercepts and Asymptote of a Graph with Exponential Functions
- TyErd
- · Replies 19 ·
Solve the equation (sin and cos problems)
- jegues
- · Replies 16 ·
How do you determine equation for this simple composite function?
- Cuisine123
- · Replies 2 ·
Efficient Enumeration of Elements in a Group Defined by Generators
- ethylparaben
- · Replies 3 ·
Econometric Notation: Understanding E (GPA|SAT) and Its Meaning
- 60051
- · Replies 1 ·
Further trigonometry (higher) test review
- Gringo123
- · Replies 6 ·
Derivative optimization with trigonometric functions
- livelaughlove
- · Replies 6 ·
Log5(x) = 16logx(5) solve for x
- TyErd
- · Replies 12 ·
Solving 12x^2 - 9 = 0: What to Do Next?
- Jimmy84
- · Replies 10 ·
Questions: How Far from Point P is a Given Line?
- golb0016
- · Replies 5 ·
How Do Composite Transformations Affect Coordinates?
- golb0016
- · Replies 1 ·
Find center and radii of a circule
- lucky strike
- · Replies 1 ·
Prove a=b=2 given a+b = ab = a^b
- Norway
- · Replies 37 ·
:trigonometric identity question
- Edgar92
- · Replies 4 ·
Why is ω(f;[-a,a];δ) = ω(f;[0,a];ε) for an even function?
- matt_747
- · Replies 2 ·
How do I change the variable in this expression?
- PolyFX
- · Replies 3 ·
Cubic Polynomials: Solving w/o Rational Roots
- Jack Diamond
- · Replies 3 ·
Lateral Area and Volume of a Pyramid
- golb0016
- · Replies 1 ·
Micrometer reading/area of wire calculation
- Deliria
- · Replies 4 ·
Cone volume from a 3-4-5 triangle
- golb0016
- · Replies 5 ·
Prove Lebesgue Measure of f-g over [a,b]
- matt_747
- · Replies 1 ·
What is the bearing of a ship sailing 120 km on a heading of 070 degrees?
- Gringo123
- · Replies 4 ·
Find the length of the adjacent
- Gringo123
- · Replies 2 ·
Deck of Cards Probability Question
- mr.physics
- · Replies 12 ·
Why are abba and abbbba always divisible by 11?
- um0123
- · Replies 8 ·
Proofing a Rhomb - Get the Answer Here
- aRTx
- · Replies 3 ·
Continuity of Multivariable Functions
- Chewy0087
- · Replies 5 ·
How Do You Calculate the Area of a Rectangle with Given Perimeter and Diagonal?
- LeadyKnight
- · Replies 3 ·
Is the product of sample observations sufficient for theta in a gamma distribution?
- cse63146
- · Replies 8 ·
Unit vector perpendicular to two known vectors
- cjwalle
- · Replies 2 ·
Can a cubic with rational coefficients have all irrational roots?
- Mentallic
- · Replies 2 ·
How do I factorise this cubic expression?
- physicsfun_12
- · Replies 3 ·
Why does vector multiplication sometimes give a number and sometimes a matrix?
- 60051
- · Replies 6 ·
How Do You Calculate the Surface Integral of a Cylinder?
- hhhmortal
- · Replies 1 ·
What is the solution for -42.2=-10.999x+-4.9x^2?
- Shawn Garsed
- · Replies 4 ·
Mathematical Induction: Chapter 1, Example 4 from WiM? by Courant
- DarrenM
- · Replies 5 ·
Finding E(Y) for sample variance with N(μ,σ) distribution
- cse63146
- · Replies 9 ·
Finding an angle from a geometry diagram
- golb0016
- · Replies 4 ·
Solving a Trigonometric Equation to Hit a Moving Target
- peanut648
- · Replies 1 ·
Have I rearraged this formula correctly?
- Gringo123
- · Replies 2 ·
Solving the Quadratic Equation: x^2 - 5x >= 0
- Jordash
- · Replies 2 ·
Verify that cos(2x)-cos(4x)/sin(2x)+sin(4x)=tanx
- Superstring
- · Replies 9 ·
Use x^2+2 in the Difference Quotient
- Tonik
- · Replies 3 ·
Finding the ticket price that maximizes revenue for an amusement park
- rice1am
- · Replies 3 ·
Simplifying Algebraic Expressions
- Jimmy84
- · Replies 3 ·
Applying a sinusoidal function to tidal patterns on the earth.
- stripes
- · Replies 4 ·
Writing an equation in general form (circles)
- kamo00800
- · Replies 3 ·
Finding profit share ratio with different investment amounts and periods
- Gringo123
- · Replies 1 ·
Product of two consecutive integers
- nobahar
- · Replies 9 ·
How do I solve for x in this logarithmic equation?
- Cuisine123
- · Replies 1 ·
What is the next number in the sequence 25, 27, 30, 15, 5, 7, 10?
- Drksilver163
- · Replies 4 ·
Finding exact values of sin, cos, tan using symmetry
- tomwilliam
- · Replies 12 ·
How to approach geometry proofs when starting from scratch
- _humanoid_
- · Replies 1 ·
Solving (4/3)sinxcosx - sin²2x = 0 for x in [0, 2π]
- Cuisine123
- · Replies 8 ·
Solving 4^x + 2^(x+1) = 60
- Cuisine123
- · Replies 2 ·
Factor Completely (PreCalculus)
- GreenPrint
- · Replies 6 ·
Finding resultant of three vectors with components
- seizureboi
- · Replies 1 ·
How can I simplify this equation by substituting for Vf2?
- jedr
- · Replies 5 ·
Binomial probability, similar to lottery problems.
- alexburns1991
- · Replies 1 ·
Solve the Blue Angle in a Simple Geometry Problem
- Apexny
- · Replies 1 ·
Using the Quadratic Formula to Solve y + 1/y = x
- paridiso
- · Replies 4 ·
How do I solve for x in this equation?
- Cuisine123
- · Replies 5 ·
Converting recurring decimals to fractions
- Gringo123
- · Replies 17 ·
How do I evaluate this log expression?
- Cuisine123
- · Replies 2 ·
How do I solve for x in this log equation?
- Cuisine123
- · Replies 2 ·
How Far Should You Stand from the Statue of Liberty for the Best Viewing Angle?
- nvidia69
- · Replies 1 ·