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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Find min, max of an unfamiliar function
- truongson243
- · Replies 2 ·
Prove that (cot20°−cos10°)/(1+2sin10°)=√3/3
- hrach87
- · Replies 1 ·
Annuity value at 6 years with $3000 annual deposits and 6.8% annual compounding
- yumito
- · Replies 8 ·
Simplifying (3/5)cos2x + (3/5)sin2x
- bobsmith76
- · Replies 10 ·
Further Premutation / Combination problem
- kenny1999
- · Replies 2 ·
How do I solve 7^(2x+3) / 7^(x^2) = 1?
- Mphisto
- · Replies 5 ·
Calculate Angular Velocity of 70cm Bicycle at 25km/hr
- Daaniyaal
- · Replies 2 ·
Permutation and combination problems.
- kenny1999
- · Replies 5 ·
Time for 4 trained and 4 untrained workers to paint a job
- LiHJ
- · Replies 3 ·
Do mathematicians believe propositions before proving them?
- TruthIsBeauty
- · Replies 6 ·
Finding the MGF of n2 - X2 for binomial random variables
- wannabe92
- · Replies 1 ·
Finding probabilities from joint MGF of X and Y
- wannabe92
- · Replies 3 ·
What are the Solutions to a Complex Quadratic Equation?
- naaa00
- · Replies 12 ·
How Do Parabolic Roads Drain Water?
- darshanpatel
- · Replies 17 ·
Calculate x-intercept for f(x)
- rollcast
- · Replies 6 ·
What is the first x value that satisfies x-3>0?
- Cinitiator
- · Replies 3 ·
Solution to quadratic equation doesn't look right
- hatelove
- · Replies 5 ·
Finding the base and vertex angle of isosceles triangle RST
- Bashyboy
- · Replies 4 ·
Finding intersection points of circle x² + y² = 4 and ellipse x²/4 + y²/9 = 1
- Cacophony
- · Replies 6 ·
Simplify (log₃4 + log₂9)² - (log₃4 - log₂9)²
- theintarnets
- · Replies 15 ·
Isosceles Triangle Geometry Problem
- Bashyboy
- · Replies 10 ·
Finding time of death using Newton's Law of Cooling
- theintarnets
- · Replies 1 ·
Using trig to find solutions to a quintic
- conorordan
- · Replies 8 ·
Probability to get a specific triangle
- Pzi
- · Replies 19 ·
Solving an Odd Function with Periodicity
- billy1024
- · Replies 2 ·
Simplify (z1/z2)^3 in rectangular form with polar complex numbers
- lunds002
- · Replies 5 ·
Solving Polynomial Equations with Exponents of 40
- heartyface
- · Replies 5 ·
Solving x² + (√8)x*sin[(√2)xy] + 2 = 0 for x and y
- kscplay
- · Replies 10 ·
Solving Permutations with Multiple Sets
- taylor81792
- · Replies 13 ·
Finding the inverse of two functions
- Tebow15
- · Replies 2 ·
Systems of Equations: Word Problem
- S.R
- · Replies 4 ·
X^2 + 5x + 25/4 is a perfect square trinomial?
- EricPowell
- · Replies 3 ·
Equilateral Triangle Side Lengths
- Bashyboy
- · Replies 2 ·
What is the range of a rational function?
- PrincePhoenix
- · Replies 14 ·
Write the trigonometric expression as an algebraic expression in u.
- veganazi
- · Replies 14 ·
Proving image of intersection?
- SithsNGiggles
- · Replies 3 ·
Calculating the Width of a Triangle at Position x
- chris_avfc
- · Replies 26 ·
Prove the center of S is closed under a binary operation
- taylor81792
- · Replies 1 ·
Find the equation of the line with slope -1 that is tangent to the curve y=1/x-1
- gibguitar
- · Replies 9 ·
Verify whether the statement is true.
- maxtheminawes
- · Replies 2 ·
Tricky Trig Simplification, or so I think
- lowry
- · Replies 1 ·
How to find the exact value of cos 67.5 ?
- jkristia
- · Replies 5 ·
Poisson approximation distribution
- drawar
- · Replies 4 ·
Can the Proof of a Statement be Improved: A Request for Assistance
- athrun200
- · Replies 1 ·
Drawing a right triangle to simpliy the given expressions
- Johnyi
- · Replies 5 ·
Seeking Confirmation On An Equation's Answer
- Glynbeard
- · Replies 1 ·
Interval Notation for Set Intersection and Union
- rudders93
- · Replies 2 ·
Setting functions equal to each other to cancel
- getty102
- · Replies 3 ·
Quadrilaterals using Geometer's Sketchpad (Thumbnail Included)
- luke8ball
- · Replies 3 ·
What is the probability of two seeds germinating if their types are unknown?
- permorten
- · Replies 1 ·
How to Solve a Challenging Trig Equation with Identities?
- kscplay
- · Replies 5 ·
Calculating a limit with tangent as denominator
- Tebow15
- · Replies 4 ·
Is My Calculation of Electric Field Correct Using the Paint Document?
- Miike012
- · Replies 1 ·
Factoring without quadradic formula
- Tebow15
- · Replies 1 ·
Finding unknown given vector a,b and parallel
- xplosiv3s
- · Replies 6 ·
Efficiently Calculate Radian Circles | Part B Explanation
- synkk
- · Replies 3 ·
Why Does Using Negative R in Trigonometric Equations Affect My Solution?
- solve
- · Replies 18 ·
Number Theory WOP: Find Smallest Integer of Form a - bk
- dashhh
- · Replies 4 ·
Shifting a parabola vs changing slope of a line
- LearninDaMath
- · Replies 3 ·
Finding angle ACB where A, B, C are vertices of a cube
- HelloMotto
- · Replies 12 ·
Solving Matrix Equations: x = Cx + d to x = [(I - C)^(-1)]d
- Cinitiator
- · Replies 4 ·
Solve Simple Trig Question: Sin x = √3 * Cos X
- kscplay
- · Replies 3 ·
How do I add two numbers with exponents?
- Instinctlol
- · Replies 4 ·
Probability Statistics Question
- geforce
- · Replies 19 ·
Expected Value and Standard Deviation of A1 Computer's Rebate
- geforce
- · Replies 2 ·
Dual geometry with 5 points question
- snes_nerd
- · Replies 1 ·
Is g(x) Always Continuous if Sandwiched Between Two Continuous Functions?
- Cacophony
- · Replies 2 ·
Finding the value of a to make piecewise functions continuous
- Cacophony
- · Replies 2 ·
Exact values of inverse-trig expressions
- dobedobedo
- · Replies 4 ·
Dot and Cross Products: Solving for [u x v] - 0, Simplification and Distribution
- Lurid
- · Replies 3 ·
Find the Area of the Parallelogram
- Lurid
- · Replies 2 ·
Proving an Inequality: (1+a)q < q/(1-a) for a < 1 and Positive Real Numbers
- grissom1988
- · Replies 4 ·
Algebraic Rate Problem: Finding Time for Bob to Reach Charlie
- daigo
- · Replies 3 ·
Calculating Total Number of Live Viruses after 10 Seconds
- johncena
- · Replies 4 ·
Solve for x, y and 4x in 4x+x+y=280^0
- -Physician
- · Replies 6 ·
Y=e^xlna increases less quickly than y=e^x when a<e e. i. lna<1?
- solve
- · Replies 12 ·
I can't find the log of a negative number
- AllenHe
- · Replies 1 ·
Why does the dragon and car rate problem give these equations?
- daigo
- · Replies 1 ·
Remainder theorem question - combine divisor
- tony24810
- · Replies 14 ·
Proving Binomial Theorem with Greatest Term and Coefficient Relationship
- Quantum Mind
- · Replies 2 ·
Perpendicular vectors, triangle, tetrahedron
- furor celtica
- · Replies 13 ·
How do you find the range of 1/{(x-1)(x+2)} for [0, 6]?
- solve
- · Replies 12 ·
Prove that x is irrational unless it is an integer.
- LaMantequilla
- · Replies 2 ·
How to solve a cubic equation with two variables and one constant
- Spiralshell
- · Replies 7 ·
Not so basic algebraic fraction manipulation
- namtip
- · Replies 8 ·
Finding slopes of a line through (4,3) forming a triangle of area 27
- mindauggas
- · Replies 24 ·
Y=X^1/2 is the same as Y=+/-sqrt(X) ?
- solve
- · Replies 4 ·
Proving Null(M) = Null(M^T M) for any matrix
- Big-oh
- · Replies 1 ·
Binomial expansion of term with x^2
- Roodles01
- · Replies 4 ·
Solve cos 2x - cos² x = 0
- lep11
- · Replies 5 ·
3^n+1 has an odd prime divisor
- wsldam
- · Replies 5 ·
Compound Interest Formula and Natural Logarithms
- Gothika
- · Replies 5 ·
Solving Inequality: |x-1|+|x-2|>1
- solar nebula
- · Replies 4 ·
Geometry Triangle Congruence - Should be easy?
- luke8ball
- · Replies 3 ·
How did this conversion took place ?
- Sumedh
- · Replies 5 ·
Finding two angles that sum to 900° with a = b/14
- -Physician
- · Replies 3 ·
Data Management: Premutations Problem With identical Items
- gurjant
- · Replies 1 ·
Finding Binomial Co-efficient from pronumerals
- ukee1593
- · Replies 1 ·
Ptolemy's Theorem and Cyclic Quadrilateral
- brisk11228
- · Replies 1 ·
We're working with logarithms of base 3
- tharock220
- · Replies 1 ·