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.
Threads
Solving Simultaneous Equations: x^2 + y^2 = 10 and y = 2x - 5
- Haroldingo
- · Replies 3 ·
How many pieces of paper will fit under the string?
- november1992
- · Replies 8 ·
Expanding x^n-a^n without Binomial Theroem ?
- gaganspidey
- · Replies 7 ·
How to Solve x3+3x/3x2+1 using Componendo and Dividendo?
- physics kiddy
- · Replies 10 ·
How Do You Calculate the Probability of a Cancer Diagnosis in Adults Over 40?
- blondii
- · Replies 2 ·
A problem on algebric expansion and indices.
- sankalpmittal
- · Replies 23 ·
How Do You Solve for 'a' in the Equation s = v0t + .5at^2?
- BuhRock
- · Replies 2 ·
Find the at which value does the 1/(1-6sinx) is discontinous
- kougou
- · Replies 3 ·
Express cos^6(x) without Powers of Trig Functions
- patton_223
- · Replies 1 ·
Null-space proof for square matrix
- VitaminC
- · Replies 1 ·
Finding a scalar such that vectors p and q are parallel
- aero_zeppelin
- · Replies 8 ·
Finding all zeros of a Polynomial
- ninjamonke
- · Replies 11 ·
Variance and Expected Value Problem
- dspampi
- · Replies 1 ·
Use that relationship to answer the question.
- stonecoldgen
- · Replies 1 ·
Finding roots of x³ - 8x + 5
- trivk96
- · Replies 12 ·
Geometric Distribution Coin Flip
- dspampi
- · Replies 1 ·
Solving Fixed Point Problems: x=4-x^2, f(x)=7+sqrt(x-1), f(x)=sqrt(10+3x)-4
- Painguy
- · Replies 3 ·
How does multiplying a row by a scalar affect the determinant of a 2x2 matrix?
- ElliottG
- · Replies 12 ·
Prove the diagonals of a kite are perpendicular.
- MklStar
- · Replies 5 ·
Separating real and complex parts of a number
- KarolisK
- · Replies 6 ·
Probability that second ball is white given first is white
- crina26
- · Replies 19 ·
Find the height of any triangle?
- moonman239
- · Replies 6 ·
Vertical distance between two parabola
- icosane
- · Replies 4 ·
Exam : find the minimum value of this function and constrant
- ~Scott~
- · Replies 6 ·
Gaussian Elimination, is this method OK?
- NewtonianAlch
- · Replies 2 ·
(Trig) Rewriting using power-reducing formula?
- yue_
- · Replies 1 ·
Solving logarithm equations 46 and 47
- NightFire
- · Replies 2 ·
Circles in an equilateral triangle.
- Synxervious
- · Replies 2 ·
Vector field transformation under coordinate rotation
- frogster
- · Replies 3 ·
Calculating Missing Angles and Sides in Right Triangle Using Trigonometry
- Haroldingo
- · Replies 7 ·
Solving cos(x) = -cos(2x)
- davidp92
- · Replies 3 ·
How do I find the probability a value is within one standard deviation?
- rbailey5
- · Replies 1 ·
Do intersecting circles always have equal angles at the circumference?
- mattg443
- · Replies 4 ·
Domain and range of composite function (18x)/(9x-5)
- nando94
- · Replies 3 ·
Finding the limit of sin(2x)/sin(3x) as x approaches 0
- Nano-Passion
- · Replies 10 ·
Why do I need to check both numerator and denominator for rational inequalities?
- Nelo
- · Replies 10 ·
Vector Subspaces: Understanding Closure Properties
- nayfie
- · Replies 2 ·
Is There a Trick to Rewrite This Equation in Terms of t?
- SUDOnym
- · Replies 7 ·
What is the meaning of proportional and how is it used in different contexts?
- Instinctlol
- · Replies 7 ·
Area between Triangle and Rectangle
- orchidthief
- · Replies 6 ·
What represents the vector: 2a-5b
- imy786
- · Replies 7 ·
Solving (x²+3x+2)/(x²-9) < 0 with sign analysis
- Nelo
- · Replies 7 ·
Sequence terms between bounds, fractions with denominator 3, and GCD/LCM pairs
- steve357
- · Replies 8 ·
Evaluate Limx->1? I cant figure this out
- Stevo11
- · Replies 11 ·
Calculate the Angle (a + b) Makes with the x-axis for Vector (a + b)
- imy786
- · Replies 8 ·
What is the Limit of a Rational Function at a Removable Singularity?
- davie08
- · Replies 4 ·
Find Unit Vector for 3-D Orthogonal RH System
- ibysaiyan
- · Replies 1 ·
Negating a Statement in Mathematics
- jumbogala
- · Replies 8 ·
Calculating Ant Population Growth Over 10 Days
- BobJones
- · Replies 4 ·
Vert and horiz asymptotes, axis same transformations and other things.
- Curd
- · Replies 14 ·
Math test question I just did.
- davie08
- · Replies 4 ·
Proof by Induction - Inequalities
- odolwa99
- · Replies 4 ·
How High Is the Top Sphere When Four Spheres Form a Square Base?
- LovePhys
- · Replies 5 ·
Finding maximum revenue for apartment rentals
- UltimateSomni
- · Replies 10 ·
How do I expand this probability union thing
- zeion
- · Replies 21 ·
Calculating the final speed using Force/Time Graph
- Nizzeh
- · Replies 12 ·
Calulate chance to get x heads in y flips
- zeion
- · Replies 4 ·
Finding the maximum or minimum value of a funtion to the nth degree?
- Painguy
- · Replies 4 ·
Finding total interest earned on account with monthly withdrawals
- SugerQueen
- · Replies 3 ·
How to Prove a Binomial Sum Identity
- JP16
- · Replies 17 ·
Venn diagram with 40 pupils taking math, history, and art
- Jadaav
- · Replies 10 ·
4x^2 = 7y How do they get the following for the focus and directix?
- Jurrasic
- · Replies 2 ·
Linear algebra matrices multiplication (transpose)
- dmoney123
- · Replies 2 ·
Cos^2(φ_1) +cos^2 (φ_2) + cos^2(φ_3) = 1 in a three dimensional cartesian system
- karkas
- · Replies 9 ·
What does it mean first 2 flips are heads
- zeion
- · Replies 12 ·
Complicated probability question with urns and balls
- zeion
- · Replies 4 ·
Find exact value of composite trig function.
- veganazi
- · Replies 2 ·
Bayes Probability HIV Word Problem
- dspampi
- · Replies 1 ·
Exponential function and Geometric progression
- schan11
- · Replies 1 ·
Prove continuity by first principle
- chocolatefrog
- · Replies 3 ·
Show that T preserves scalar multiplication - Linear Transformations
- NewtonianAlch
- · Replies 1 ·
Lottery ticket combinations to guarantee matches
- jumbogala
- · Replies 1 ·
Mensuration Q: Right Triangle, xy=a^2?
- Cromptu
- · Replies 1 ·
Matrix Algebra; Linear Dependece; 3 Vectors; In R^4
- bmed90
- · Replies 4 ·
Can You Prove This Trigonometry Equation?
- Mr.Krypton
- · Replies 9 ·
Are There Really 256 Ways to Order a Hamburger at Wendy's?
- Zee88
- · Replies 12 ·
Finding the Equation for a Line: y=mx+b
- BeachofBrasil
- · Replies 3 ·
Is the Probability of Rolling 17 or 18 on Three Cubes 1/108 or 1/54?
- Qube
- · Replies 5 ·
How to Find C Coordinates if OA + BA + CA is Perpendicular to OB
- Michael_Light
- · Replies 5 ·
Why are my answers for Linear Algebra homework incorrect?
- ElliottG
- · Replies 3 ·
How do I determine whether a set of polynomials form a basis?
- NewtonianAlch
- · Replies 6 ·
Short easy question, what does this sort of plus minus symbol mean?
- aschulz90
- · Replies 6 ·
Modeling a power as sum of combination
- johnhaddad
- · Replies 1 ·
Finding distance and bearing of town D from town A
- lionely
- · Replies 9 ·
How Can We Minimize Prediction Errors in Binary Variable Analysis?
- Luksdoc
- · Replies 2 ·
How Do You Solve Complex Ratio Problems in Chemistry?
- roger12
- · Replies 4 ·
Completing the Square: Why and When?
- Painguy
- · Replies 5 ·
Find exact value of cosecant function
- veganazi
- · Replies 2 ·
Show that this inequality is true for all x, y ε R
- tomcruisex
- · Replies 8 ·
System of Linear Equations - Proving
- lkh1986
- · Replies 2 ·
Negative Binomial random variable
- sam_0017
- · Replies 1 ·
Solving 0.529cosx + 0.916sinx = 1
- BluePhone
- · Replies 2 ·
R^2 = 8/(2-sin^2 θ) Convert to rectangular form?
- Jurrasic
- · Replies 2 ·
Ans: Understanding Direction of a Parametric Equation
- Jurrasic
- · Replies 1 ·
Proving i² = -1 using properties of complex modulus
- Tusike
- · Replies 6 ·
Proving if a subset is a subspace
- nayfie
- · Replies 4 ·
Probability of Peter Winning by 6 games to 3 or 6 games to 4 in a Tennis Match
- Larrytsai
- · Replies 1 ·
R=2cosθ Convert to rectangular form?
- Jurrasic
- · Replies 1 ·
It says convert (-1, pi/8 ) from polar to rectangular coordinate?
- Jurrasic
- · Replies 6 ·
Solving -490/sin²θ + 2500cosθ/sinθ - 1800 = 0
- slapshot151
- · Replies 12 ·