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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Solve this problem about paintings that involves permutations
- chwala
- · Replies 18 ·
Linear independence of vectors through a problem
- brotherbobby
- · Replies 18 ·
Solving an elementary trigonometric equation
- brotherbobby
- · Replies 8 ·
Why consider (x–u)(x–v) = 0 in Thales' theorem converse proof
- murshid_islam
- · Replies 1 ·
"Critical" Triangle Problem
- DanteKennedy
- · Replies 10 ·
Dividing a $100 bet three ways to guarantee equal payoff
- Hill
- · Replies 23 ·
Hedging on a weather prediction
- Hill
- · Replies 11 ·
Solve the quadratic equation involving sum and product
- chwala
- · Replies 7 ·
Finding the number of ways to arrange identical balls in a circle (3 different colors)
- songoku
- · Replies 17 ·
Find the polar form of a complex number
- trv
- · Replies 5 ·
Greatest possible value of a constant in polynomial
- songoku
- · Replies 13 ·
Making the denominator of a certain fraction real
- TensorCalculus
- · Replies 5 ·
Family of lines that are at a distance of 5 from the origin
- vcsharp2003
- · Replies 14 ·
Probabilities on a spinner
- TensorCalculus
- · Replies 3 ·
Why Are There Two Possible Values of x in Similar Shapes Geometry Problems?
- paulb203
- · Replies 116 ·
Intersection of a circle and a sine curve
- vcsharp2003
- · Replies 26 ·
Calculating rate of fall of a sewer branch line
- sevensages
- · Replies 5 ·
[ASK] Trigonometric Inequality
- Monoxdifly
- · Replies 6 ·
What does this equation mean?
- inuka00123
- · Replies 12 ·
How much would you pay to play this fair coin flipping game?
- docnet
- · Replies 29 ·
Finding polar equation of a shifted cricle
- farfromdaijoubu
- · Replies 6 ·
Equality of sums of powers
- littlemathquark
- · Replies 47 ·
Came across this puzzle for an 8 year old
- Natasha1
- · Replies 32 ·
Eliminate ##\theta## between a pair of given equations
- brotherbobby
- · Replies 7 ·
Arithmetic Mean-Geometric Mean inequality question
- YouAreAwesome
- · Replies 4 ·
Find integer points on this equation
- littlemathquark
- · Replies 8 ·
Length of Diagonal
- erobz
- · Replies 45 ·
Solve the given problem involving probability without replacement
- chwala
- · Replies 10 ·
Solving a trigonometric equation with multiples of ##\tan##
- brotherbobby
- · Replies 7 ·
Find the Approximate Value of this Cube Root
- littlemathquark
- · Replies 6 ·
Approximate value of 1/2! + 1/3! + 1/4! + ... using inequality
- littlemathquark
- · Replies 12 ·
Vector addition and parallel vectors problem
- jeff einstein
- · Replies 6 ·
Why does f(x+a) shift the graph left instead of right?
- Aion96
- · Replies 19 ·
Addition problem in Serge Lang Basic Mathematics
- clone
- · Replies 3 ·
Questions about proof of upper and lower bound theorem for polynomials
- RChristenk
- · Replies 11 ·
Why does a pyramid volume problem have a unique solution?
- murshid_islam
- · Replies 20 ·
Regions with polygons
- littlemathquark
- · Replies 12 ·
Changing ##\tan\frac{x}{2}## to ##\cos x## for a proof
- brotherbobby
- · Replies 8 ·
##f(x+y) =f(x) f(y)## and ##f(1)+f(2)=5## then find ##f(-1)=?##
- littlemathquark
- · Replies 49 ·
If f(x-y). f(y)=f(x), f(5)=32, then what is f(7)?
- littlemathquark
- · Replies 14 ·
Why is ##h(x)=|x|## not a polynomial?
- RChristenk
- · Replies 12 ·
Solving simultaneous equations with xy and x³+y³ constraints
- chwala
- · Replies 20 ·
Solve the given problem involving vectors
- chwala
- · Replies 13 ·
Sides of a triangle
- DaveC426913
- · Replies 16 ·
Probability Word Problem: Aptitude Question
- akhilnair
- · Replies 8 ·
Can't solve this elementary school problem involving area of circles
- shirozack
- · Replies 23 ·
Solve for ##u## and ##v## in the given equations
- chwala
- · Replies 10 ·
Express the decimal number ##43## as a binary number
- chwala
- · Replies 13 ·
Solve ##\left| x+3 \right|= \left| 2x+1\right|##
- RChristenk
- · Replies 7 ·
Factoring difference of squares not working?
- Marin12
- · Replies 3 ·
How to Solve Mixed Number Multiplication in Fractions?
- logicandtruth
- · Replies 10 ·
Deriving cubic equation solutions with trigonometric form
- Hill
- · Replies 2 ·
Use binomal theorem to evaluate ##(0.90)^{2.2}##
- chwala
- · Replies 8 ·
Logarithmic Regression Question (TI-84 Plus Graphing Calculator)
- MeesaWorldWide
- · Replies 4 ·
Probability problem confusion: 5 marbles placed randomly in 5 boxes
- tellmesomething
- · Replies 8 ·
Methods for solving, expanding and graphing logarithmic functions
- constant constant
- · Replies 5 ·
Define a Dedekind cut and show the given set is(n't) a Dedekind cut
- docnet
- · Replies 1 ·
Which one is correct about hypothesis testing?
- songoku
- · Replies 11 ·
How to mathematically describe this weird set of points?
- Lotto
- · Replies 7 ·
Calculating the sum of a series of cubes
- John3509
- · Replies 14 ·
Probability Question: 3-Digit Combination Lock
- MeesaWorldWide
- · Replies 3 ·
Arithmetic mean and geometric mean
- FISMAQUIM
- · Replies 1 ·
Solving system of 3 quadratic equations
- Gbl911
- · Replies 4 ·
Solve the problem involving arithmetic progression
- chwala
- · Replies 10 ·
Solve the equation ##x^\frac{17}{6} + x^\frac{21}{25} =15##
- chwala
- · Replies 3 ·
Prove the identity of a triangle in the given problem
- chwala
- · Replies 2 ·
Solve the given equation that involves fractional exponent
- chwala
- · Replies 4 ·
Find the distance ##d## to a point in the given problem
- chwala
- · Replies 8 ·
Simultaneous equations with fractions and linear constraint
- chwala
- · Replies 5 ·
To find the boundedness of a given function
- brotherbobby
- · Replies 14 ·
Locus of all points -- Imprecise question?
- paulb203
- · Replies 12 ·
How to prove this without using Cardano's formula?
- Math100
- · Replies 8 ·
Are these values of the following correct? (Complex cube root of unity)
- Math100
- · Replies 9 ·
How to construct a periodic function ## f ## with period ## 4 ##?
- Math100
- · Replies 15 ·
Prove Fibonacci identity using mathematical induction
- issacnewton
- · Replies 4 ·
Confusion about ##\sqrt{x^2}= \left| x \right|##
- RChristenk
- · Replies 1 ·
Mathematical Induction with binomial sum
- issacnewton
- · Replies 9 ·
Circle equation coefficient conditions
- RChristenk
- · Replies 3 ·
Percentages on Variables: Find the number of students who took this exam
- Merotzu
- · Replies 9 ·
Solve ##x^{\frac{-1}{2}}-2x^{\frac{1}{2}}+x^{\frac{2}{3}}=0##
- RChristenk
- · Replies 24 ·
If p is even and q is odd, then ##\binom{p}{q}## is even
- issacnewton
- · Replies 19 ·
How Do You Solve the Inequality ##x^2<4## for Negative Values of ##x##?
- RChristenk
- · Replies 6 ·
Mathematical Induction Problem Fibonacci numbers
- issacnewton
- · Replies 11 ·
Find angle ADB in this isoceles triangle given some extra information
- chwala
- · Replies 4 ·
How to identify the type of function?
- tellmesomething
- · Replies 23 ·
Solving 1/x < 4 for negative x
- RChristenk
- · Replies 7 ·
How to Predict Outcomes of New Equations Without Solving for Variables?
- Sucvicbil
- · Replies 18 ·
Problem involving mathematical induction
- issacnewton
- · Replies 11 ·
Are Complex Solutions Overlooked When Solving \(16x^4 = 81\) Directly?
- RChristenk
- · Replies 5 ·
Prove 5|(2^n a) implies 5|a by induction
- issacnewton
- · Replies 10 ·
How did they rewrite this polynomial in this way?
- MiddleEast
- · Replies 23 ·
How many positive integers x satisfy this logarithmic inequality?
- Mr X
- · Replies 3 ·
What Are the Two Factors of 15120 Given Their Sum and Difference?
- RChristenk
- · Replies 5 ·
Finding standard deviation of combination of data
- songoku
- · Replies 16 ·
Range of a function involving trigonometric functions
- tellmesomething
- · Replies 11 ·
Equation of hyperbola confocal with ellipse having same principal axes
- Aurelius120
- · Replies 4 ·
Find the possible values for ##a## and ##b## where ##a## and ##b## are integers
- chwala
- · Replies 3 ·
Find the magnitude and the direction of the resultant vector
- chwala
- · Replies 8 ·
Find the range of the function ##f(x) = \frac{e^{2x}-e^x+1} {e^{2x}+e^x+1}##
- tellmesomething
- · Replies 8 ·