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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Finding z^2005 + 1/z^2005 where z^2 + z + 1 = 0
- zcserei
- · Replies 2 ·
1 more Linear Math Problem. (Find slope and y-intercept)
- nukeman
- · Replies 6 ·
Can ln(u)=u Be Solved for x Algebraically?
- danielatha4
- · Replies 1 ·
What Is the Correct Locus for the Equation z(overline{z}+2)=3?
- Grand
- · Replies 12 ·
Finding probabilities from given events with S = {1,2,3}
- sneaky666
- · Replies 3 ·
Evaluate the maxium of a trig function
- AdrianZ
- · Replies 9 ·
How to find a:b:c given that s-a:s-b:s-c = 1:2:3
- zorro
- · Replies 7 ·
Combination Probability hopefully an easy one
- clockwork9
- · Replies 1 ·
Evaluate the value of trigonometry
- harimakenji
- · Replies 9 ·
Find the first three terms a geometric sequence
- NotaPhysicist
- · Replies 8 ·
Binomially expand function of x/e
- coverband
- · Replies 1 ·
How Can Ivan Achieve a Total Score of 5 with Three Dice?
- jinx007
- · Replies 1 ·
Can Excel be Used to Solve Logarithmic Equations with Different Bases?
- harimakenji
- · Replies 11 ·
[Linear Algebra] Showing equality via determinant properties
- CentreShifter
- · Replies 1 ·
Find the altitude of the satellite
- pyrosilver
- · Replies 1 ·
Rearranging formulas to solve for a specific variable
- Eisely
- · Replies 9 ·
Finding x in a geometric progression, given the sum.
- NotaPhysicist
- · Replies 4 ·
Finding intercepts and integrals of trigonometric functions
- ScienceNewb
- · Replies 2 ·
What Are the Fundamentals of Evaluating and Graphing Circular Functions?
- ScienceNewb
- · Replies 3 ·
3-digit odd numbers from digits 1-7 with and without repetition
- jinx007
- · Replies 2 ·
Summation Question: Subtracting 1, 2^(k-1) & 1/2
- mohabitar
- · Replies 7 ·
Pre-calculus; linear inequalities
- priscilla98
- · Replies 1 ·
What Conditions Make These Vector Dot Product Equations True?
- TsAmE
- · Replies 5 ·
Finding angle C in triangle ABC with a=6, b=3, cos(A-B)=4/5
- zorro
- · Replies 4 ·
Trigonometric functions: express sin(x) in terms of tan(x)
- Mentallic
- · Replies 4 ·
Is Every Convergent Sequence of Real Numbers Bounded?
- swuster
- · Replies 4 ·
How do you simplify a logarithm expression with multiple terms?
- Shawn Garsed
- · Replies 3 ·
INconsistencies in a system of linear equations.
- nobahar
- · Replies 6 ·
Exponential - quadratic equation
- Tom83B
- · Replies 1 ·
Simple economics/business question
- imiyakawa
- · Replies 4 ·
Geometric series. Find the sum of the series. Powers.
- NotaPhysicist
- · Replies 2 ·
Finding where instantaneous rate equals average rate for f(x) = 4x² - x³ on [0,3]
- pyrosilver
- · Replies 3 ·
Object on an incline with friction
- jinx007
- · Replies 4 ·
Floor and ceiling functions in a summation step
- mohabitar
- · Replies 7 ·
2 equations, 3 unknowns - finding 2 ratios of unknowns
- uby
- · Replies 5 ·
Manipulating Exponents, Simple
- mohabitar
- · Replies 2 ·
System of transcendental equations?
- AerospaceEng
- · Replies 1 ·
Transformation of Quadratic equation
- the.thief777
- · Replies 12 ·
How Do You Solve an Affine Cipher with Given Mappings?
- Firestrider
- · Replies 1 ·
Working with exponential functions
- Razzles
- · Replies 1 ·
What Was the Rate of Return on the Picasso Painting Sold in 1995?
- Jim01
- · Replies 7 ·
What is the Range of y in (y+1)/(y-1)=sin2x/sin2a?
- zorro
- · Replies 5 ·
Statistics: How to find mean of bins
- Niles
- · Replies 6 ·
Vectors- scalar products - statements true/false
- imy786
- · Replies 3 ·
Finding the value of n in nlog(n)
- -A-
- · Replies 1 ·
How do you find the z score for a 95% confidence level?
- Sirsh
- · Replies 2 ·
What does |x| mean in the erf function?
- moonman239
- · Replies 1 ·
Premutations? or combinations?
- BananaNeil
- · Replies 5 ·
Pre Calc, how to you solve an equation if it says a≠0?
- tintin1234
- · Replies 1 ·
Solving Logarithm Ques: Multiplying 9356 by 0.396
- rajatgl16
- · Replies 6 ·
Differenciate twice or integrate twice?
- jinx007
- · Replies 3 ·
Finding the length of vectors in i, j, k form
- lanzjohn
- · Replies 2 ·
Possible values of p for a triangle with given angle A=45 and tanBtanC=p
- zorro
- · Replies 4 ·
Random variable probability problem
- thereddevils
- · Replies 4 ·
Graphing sin and cos functions
- jayare81
- · Replies 4 ·
Find the nth term formula and prove series P is arithmetic
- ings
- · Replies 14 ·
What Is the Smallest Value of k for Given Linear Equations?
- xdeanna
- · Replies 3 ·
Limits of functions with negative exponents
- alexk307
- · Replies 1 ·
Precalculus Algebraic Inequality
- bcheero
- · Replies 5 ·
Negating "For All" Statement: Proving False
- keemosabi
- · Replies 2 ·
SOlving y-intercept of a sin function
- t_n_p
- · Replies 8 ·
Finding the price that maximizes profit for 300 units per week
- atkinslm
- · Replies 5 ·
Solving Congruent Triangles Inscribed in a Circle
- thomas49th
- · Replies 6 ·
Solving for Initial Barrel Capacity: Wine Leaking Rate Problem"
- quantum_owl
- · Replies 5 ·
Minimum % of Registered Voters Needed to Sign Petition for City Ballot
- kazuchan
- · Replies 2 ·
Is it possible to solve a system of three equations with two unknowns?
- nobahar
- · Replies 6 ·
Prove abs(P(jx)) ≤ (n!)^p for polynomial P(X)
- penguin007
- · Replies 2 ·
Proof of x3+x2y+xy2+y3 = 0: x=y=0 or x=-y
- jgens
- · Replies 6 ·
Finding the CDF of Y when Y = X² and X has pdf f(x) = 2x
- thereddevils
- · Replies 6 ·
Finding a closed form for the series ∑nx^n
- noblerare
- · Replies 3 ·
Unknown coordinate given the distance
- hobomoe
- · Replies 3 ·
Proving (sin 2θ / sin θ) − (cos 2θ / cos θ) = sec θ
- striker7770
- · Replies 1 ·
Definite integration (area between curves)
- meanmachine
- · Replies 2 ·
Finding height h in a triangle with trig
- ooovooos
- · Replies 4 ·
Combinations - selecting 7 persons
- rajatgl16
- · Replies 7 ·
Minimum veritcal distance between two graphs.
- hobomoe
- · Replies 26 ·
Difference quotient for f(x) = 2x + 3x²
- ihatecats2014
- · Replies 8 ·
Difference quotient (i know this is right) but it is telling me otherwise
- ihatecats2014
- · Replies 1 ·
What if n is in the summation?
- mohabitar
- · Replies 6 ·
How can two vectors with three components define a plane?
- nobahar
- · Replies 2 ·
How Do You Construct a Triangle of Forces?
- riddle
- · Replies 5 ·
Factoring a Polynomial Equation: Olympiad Question
- The legend
- · Replies 6 ·
Solving Basic Algebra Question 1: x - (-6) = 12
- KevinMWHM
- · Replies 5 ·
Intersection of 2 vectors in 3D knowing the angle between the two
- calcioitalia0
- · Replies 1 ·
What is the Correct Formula for the Area of an Isosceles Triangle?
- bjnartowt
- · Replies 4 ·
Prove the trig identity with tan and cot terms
- Char. Limit
- · Replies 2 ·
How to Simplify a Summation with Unknown Last Term?
- mohabitar
- · Replies 5 ·
What is the relationship between the domain and range of a function?
- swatmedic05
- · Replies 5 ·
Solving parallel vectors, quicker method
- riddle
- · Replies 8 ·
Solving position vectors using given speed.
- riddle
- · Replies 7 ·
Solving position vectors involving velocities and time
- riddle
- · Replies 11 ·
Cos(nt) = 3sin(2nt) + cos(2nt)
- abramsay
- · Replies 3 ·
What is the Probability of Independent Events with Given Probabilities?
- DAKIK
- · Replies 8 ·
Finding closed form for sum of 1.7^k and 2k
- mohabitar
- · Replies 2 ·
How Do You Solve These Simultaneous Linear Equations for L and X?
- Loke
- · Replies 3 ·
Did I find all the factors of 4ab?
- MechSoup
- · Replies 4 ·
Finding OP using simultaneous equations in a vector geometry problem
- riddle
- · Replies 13 ·
Solving 1.732cos(x)-1.16=sin(x) for x
- saii
- · Replies 2 ·
Can You Prove Gy^3+(y-G)^3 Equals Zero Given x^2+x+G=0?
- thereddevils
- · Replies 2 ·
Proving rational plus irrational is irrational
- lokisapocalypse
- · Replies 5 ·