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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What does this definition of multiplication mean?
- drooble122
- · Replies 3 ·
I don't understand this problem -- Surface area of a section of a solid sphere
- samy4408
- · Replies 11 ·
Algebra: distance from a fixed point
- drooble122
- · Replies 3 ·
Testing whether event frequency scales linearly with time
- Master1022
- · Replies 1 ·
Find order of rotational symmetry for the given shape
- chwala
- · Replies 9 ·
Counterexample for p+a^2 representation of 25
- Math100
- · Replies 30 ·
What tool did the Greeks use to draw parallel lines?
- musicgold
- · Replies 12 ·
Determine all the solutions of the system
- Hall
- · Replies 19 ·
Verifying a proof about primes of the form n^2-2
- Math100
- · Replies 6 ·
Proving a sum of three squared terms, cyclic in #a,b,c#, is equal to 1
- brotherbobby
- · Replies 16 ·
Find the shortest distance between the given vectors in 3D
- chwala
- · Replies 1 ·
The negation of "A and B" does not include "not A and not B"
- docnet
- · Replies 21 ·
Determine the ratio ##OA:AR## in the vector problem
- chwala
- · Replies 2 ·
Determine the validity of the number problem
- chwala
- · Replies 6 ·
Finding table height from cat and tortoise equations
- chwala
- · Replies 2 ·
Find the surface area of the water in the given prism
- chwala
- · Replies 3 ·
Solving for x using 1 - tan(theta) in a Trigonometric Equation
- James Brady
- · Replies 13 ·
Show that ##2 {\cos \theta} +(1- \tan \theta)^2≈ 3 - 2\theta##
- chwala
- · Replies 5 ·
Prove trigonometric equality: 1 - cosx = 2(sin^2)*(x/2)
- needingtoknow
- · Replies 4 ·
Tan ##2 \theta=4 /(1-1)##. This means ##2 \theta=90^{\circ}## Why?
- ElectronicTeaCup
- · Replies 13 ·
I know ##tan 2\theta## but what is ##sin \theta##
- ElectronicTeaCup
- · Replies 8 ·
Why does [sin(θ/2)-cos(θ/2)]^2 not always equal 1?
- NanoChrisK
- · Replies 8 ·
Proving three angles are equal if they satisfy two conditions
- brotherbobby
- · Replies 18 ·
Which of these logarithms has the biggest value?
- songoku
- · Replies 4 ·
Find the value of ##r## and ##s## in the given quadratic equation
- chwala
- · Replies 1 ·
Finding the length of this side of similar figures
- songoku
- · Replies 5 ·
Solve the given quadratic equation that involves sum and product
- chwala
- · Replies 1 ·
Show that ##(x-a)(x-b)=b^2## has real roots- Quadratics
- chwala
- · Replies 6 ·
Show that ##(b-c)x^2+(c-a)x+a-b=0## has rational roots
- chwala
- · Replies 11 ·
Finding the intersection of two set differences
- chwala
- · Replies 7 ·
Solving a trigonometric equation with sin and cos terms
- vibha_ganji
- · Replies 10 ·
Tracking significant figures through a complicated problem
- ago01
- · Replies 6 ·
Find the volume of the given prism
- chwala
- · Replies 30 ·
Calculate ways to form a committee of 3 from 8, without division?
- 12john
- · Replies 3 ·
Calculating coordinates of intercepts from field of view to target
- jisbon
- · Replies 1 ·
Find the nth term of the given sequence
- chwala
- · Replies 7 ·
False. The statement does not logically follow from the given information.
- Magnetons
- · Replies 6 ·
Find z^n+ 1/z^n: Why Consider Only One Argument?
- Magnetons
- · Replies 3 ·
Multiple angles : Reducing the sum
- brotherbobby
- · Replies 11 ·
Does there exist a surjection from the integers to the naturals?
- docnet
- · Replies 8 ·
Does there exist a surjection from the natural numbers to the reals?
- docnet
- · Replies 4 ·
Find the probability of different scenarios
- LokLe
- · Replies 2 ·
Trigonometric ratios of angles above 90 degrees
- rudransh verma
- · Replies 5 ·
Find the area of the quadrilateral
- chwala
- · Replies 8 ·
The given function is an even or an odd function?
- brochesspro
- · Replies 11 ·
Can double masking increase efficacy by 126% against particles?
- jonathan cooper
- · Replies 8 ·
Write the contrapositive and negation of the statement
- docnet
- · Replies 16 ·
Prove by induction the inequality
- docnet
- · Replies 13 ·
Show that gcd(a,b) is the smallest positive element in the set {ma+nb}
- docnet
- · Replies 2 ·
Show that square root of 3 is an irrational number
- docnet
- · Replies 1 ·
Prove that the statement is true or false
- docnet
- · Replies 18 ·
Find the maximum value of the product of two real numbers
- chwala
- · Replies 13 ·
Find the equation of the straight line
- chwala
- · Replies 4 ·
Find the values of a and b in the given straight line equation
- chwala
- · Replies 2 ·
Can Logarithms Be Used to Solve a Tricky Exponential Problem?
- chwala
- · Replies 5 ·
Solve the proof in problem involving logarithms
- chwala
- · Replies 3 ·
Find the value of ##N## in the logarithm problem
- chwala
- · Replies 3 ·
How can the logarithm problem be solved?
- chwala
- · Replies 5 ·
Find the car's speed at point when deceleration is increased - Mechanics
- chwala
- · Replies 26 ·
Finding argument of complex number
- songoku
- · Replies 10 ·
Solving an equation for ##x## involving inverse circular functions
- brotherbobby
- · Replies 15 ·
How to Solve a Trigonometry Equation Using Identities and Alternative Methods?
- chwala
- · Replies 7 ·
Finding the horizontal shift of a function
- Einstein44
- · Replies 10 ·
Prove a³(b−c)+b³(c−a)+c³(a−b) equals its cyclic form
- brotherbobby
- · Replies 4 ·
How Can You Solve This Modulus Equation with Square Roots and Absolute Values?
- chwala
- · Replies 1 ·
Solve these simultaneous equations that involve vectors
- chwala
- · Replies 6 ·
Find the velocity of the airplane if there was no wind
- chwala
- · Replies 2 ·
At what time will bike and car be side by side again - Mechanics
- chwala
- · Replies 10 ·
What is the ideal timetable duration for a complete train journey?
- chwala
- · Replies 8 ·
Find the distance between the car and the truck- Mechanics
- chwala
- · Replies 4 ·
Find how fast is the train travelling at the end of the fourth minute?
- chwala
- · Replies 9 ·
Imaginary Can We Find the Least Time?
- chwala
- · Replies 9 ·
Simplifying a cyclic algebraic fraction in three variables
- brotherbobby
- · Replies 1 ·
Find the time taken to travel from top of slope to base - Mechanics
- chwala
- · Replies 2 ·
Find speed of the racing car as it crosses finish line - Mechanics
- chwala
- · Replies 2 ·
How Do You Simplify Complex Algebraic Fractions?
- Jason-Li
- · Replies 8 ·
Reducing three fractions with l, m, n variables without auxiliary variable
- brotherbobby
- · Replies 3 ·
Pythagoras theorem with opposite and adjacent sides swapped
- rgtr
- · Replies 5 ·
A complex probability question
- issue
- · Replies 22 ·
Straight line intersects geometric sequence
- adar
- · Replies 5 ·
Waiting for a train in a subway
- docnet
- · Replies 7 ·
Continuous joint random variable
- docnet
- · Replies 2 ·
The joint probability - two coins
- docnet
- · Replies 6 ·
Trying to find an easier way to compute the double sum
- docnet
- · Replies 7 ·
Solving these Simultaneous Equations
- Darkmisc
- · Replies 3 ·
Find the expected value of a coin flipping game
- docnet
- · Replies 7 ·
Check that the polynomials form a basis of R3[x]
- Anne5632
- · Replies 8 ·
Line of regression substitution
- Einstein44
- · Replies 5 ·
Number of ways to make delegations
- songoku
- · Replies 2 ·
Probability of getting 5 consecutive heads before 2 consecutive tails
- Master1022
- · Replies 12 ·
How to solve cubic equations like 8y^4 - y = 0
- yungman
- · Replies 23 ·
Trouble with a double summation
- docnet
- · Replies 4 ·
How to graph by hand: y=log((x/(x+2))
- srfriggen
- · Replies 3 ·
Cannot understand what this proposition is saying
- rxh140630
- · Replies 1 ·
Interesting Problem I Found (a set obtained by asymmetric scaling)
- MidgetDwarf
- · Replies 10 ·
Prove that (-1)*a = -a for any real number a
- SarRis
- · Replies 16 ·
I think the book is wrong about this trig equation
- srfriggen
- · Replies 9 ·
Sketching a graph of contaminants after a train crash
- Bhawna L
- · Replies 8 ·
Simple geometry problem -- Find the perimeter of the triangle ABC
- docnet
- · Replies 7 ·
Finding the area of a circular segment
- manareus
- · Replies 17 ·