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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Prove/Disprove: c Divides (a+b) But Not a, Then c Does Not Divide b
- Orikon
- · Replies 5 ·
What are the horizontal asymptotes of cot^-1(x)?
- kirbykirbykirby
- · Replies 2 ·
How Do You Combine Two Sound Waves Mathematically?
- mgoddard
- · Replies 1 ·
How do I solve for v_rel?
- b2386
- · Replies 1 ·
Prooving 2 Vector Eqn Lines Are Perpendicular
- ku1005
- · Replies 12 ·
Exponent Question: Simplifying 6ab - 2b2 / 12ab - 4b2
- Carnivean
- · Replies 2 ·
How Can Vector X Be Expressed Using Vectors A, B, and Scalar c?
- indigojoker
- · Replies 1 ·
Statistic student return and forgot it all
- yeungmei
- · Replies 1 ·
Sample proportion within ±.03 of population proportion
- yeungmei
- · Replies 1 ·
What should be the value for k
- donjt81
- · Replies 1 ·
Using the intermediate value theorem to show f(x) = π
- donjt81
- · Replies 4 ·
Finding the Number of Terms and Common Difference in a Finite Series
- jade35
- · Replies 8 ·
Calculating SAT Score Probability: Sample Mean vs Population Mean
- yeungmei
- · Replies 6 ·
Problem with simplifying fractions
- jcheema
- · Replies 8 ·
Solve Finite Difference: Find Constant Equation
- Meh
- · Replies 3 ·
Are c1 cos(wt) + c2 sin(wt) and A sin(wt + phi) Equivalent?
- Knight
- · Replies 2 ·
How Do You Solve lim(x->0) tan(3x)/sin(8x) Using Trigonometric Limits?
- donjt81
- · Replies 3 ·
How Do You Prove Trigonometric Identities Involving Double Angles and Tangents?
- ku1005
- · Replies 10 ·
Find the domain of definition and then the limit
- mohlam12
- · Replies 8 ·
How can I prove the trig identity sin2x = 2tanx/(tan^2x+1)?
- ku1005
- · Replies 1 ·
Comparing sets and logic
- chapelman
- · Replies 1 ·
What does m represent in the set notation {1,2,3,4,...,m-2,m-1,m,m+1,m+2}?
- Rowah
- · Replies 4 ·
How Do You Convert Celsius to Fahrenheit Using a Linear Equation?
- chowder
- · Replies 2 ·
Time spent in top and bottom 15 cm of a 76 cm vertical jump
- physics newb
- · Replies 9 ·
Why dividing by cos x in 2cos x-(√3)cos x sin x=0 doesn't work
- ku1005
- · Replies 2 ·
How Does Force Distribution Affect Two Blocks on a Frictionless Table?
- physics newb
- · Replies 1 ·
Recognizing the Best Homework Threads for Students and Helpers
- Gokul43201
- · Replies 0 ·
Trouble understanding tangent function
- dianajanielle
- · Replies 5 ·
Writing a polynomial for this box thing
- ceres_sun
- · Replies 4 ·
Calculating the Volume of Spheres with Different Radii
- Revolver
- · Replies 4 ·
Finding the Equation of a Circumference with a Tangent Line and Center at (0,0)
- FrostScYthe
- · Replies 5 ·
Parallel vectors and scalar product rule
- pavadrin
- · Replies 7 ·
Trigonometric Functionssimplify sin squared functions
- ku1005
- · Replies 2 ·
How Do You Decompose the Rational Expression \( \frac{4X^2-1}{2X(X+1)^2} \)?
- xXitsmechrisXx
- · Replies 1 ·
Goat tethered to post with rope blocked by fence
- ku1005
- · Replies 2 ·
How can the second form of trigonometric equations be derived?
- danago
- · Replies 5 ·
Converting rx in spherical coordinates to cartesian.
- seang
- · Replies 5 ·
Solving the Problem When r>>a in the Equation (1/r) - (1/(a + r))
- Sculptured
- · Replies 12 ·
Probability Units: Mean, Mode, Median, Variance, SD?
- meee
- · Replies 2 ·
Cyclic quadrilateral radius and angle of elevation word problems
- Rukawa0320
- · Replies 3 ·
Simplifying the Triple Angle of Tangent Function
- pavadrin
- · Replies 5 ·
How Do You Solve This Sigma Notation Problem?
- sammieh
- · Replies 21 ·
Proving Area of Parallelogram PQRS with Geometry Proof
- saikishan
- · Replies 2 ·
Division with polynomials involving the remainder theorem
- Byrgg
- · Replies 3 ·
Equation of Tangent to Curve 2e^(xy)-ysinx=log(y)+2 at (0,1)
- E=m(C)^2
- · Replies 3 ·
Solving x² / 60 + x⁴ / 216,000 = 0.001 for x
- i-love-physics
- · Replies 9 ·
Long division(with and without polynomials)
- Byrgg
- · Replies 2 ·
How Does the Rule a Cos Theta + b Sin Theta Simplify Using Trigonometry?
- pavadrin
- · Replies 2 ·
Reducing chocolate bar dimensions and finding k in quadratic equations
- RubyRed
- · Replies 39 ·
How Does Quadratic Approximation Determine Local Max/Min?
- Chadlee88
- · Replies 2 ·
Proving Squares of Odd Integers Always 8k+1
- msimard8
- · Replies 4 ·
Solve Scale Drawing/Ratio Problem: 1:86
- petuniac
- · Replies 3 ·
Factoring difference of squares and trinomial squares
- msimard8
- · Replies 3 ·
What is the standard form for expanding and simplifying polynomial functions?
- Alain12345
- · Replies 3 ·
How can i find 0.13r(as in the 3 recurring) as a fraction
- harlatt
- · Replies 42 ·
Proving divisibility by induction
- leduc
- · Replies 3 ·
Solving |4/x| > 5 with absolute value inequality
- NumbersBelow
- · Replies 12 ·
Solving Scalar Product Problem: Find Perpendicular Distance
- pavadrin
- · Replies 1 ·
Can this trinomial be factored?
- Byrgg
- · Replies 6 ·
Solving for h(t) Greater Than 3: Is There a Better Way?
- uchihajeff
- · Replies 2 ·
Sigma Notation and string of numbers
- Old Math Dad
- · Replies 2 ·
How Do You Convert Grid Units to Miles in Geometry?
- Devinnator
- · Replies 1 ·
Finding f(g(x)) and g(f(x)) with f(x) = 1/2x - 7 and g(x) = x + 6
- unknownuser
- · Replies 2 ·
What speeds will result in gas mileage of at least 45 for a compact car?
- Bitter
- · Replies 4 ·
This is a problem that requires solving a trigonometric equation.
- arizona_cards_11
- · Replies 16 ·
How Do You Find Axis Intersections in Excel Graphs?
- Agent
- · Replies 5 ·
How to Solve Exponential Equations with Natural Logs?
- pavadrin
- · Replies 5 ·
Cracking the Code: Can You Beat the NINJA SENSEI?
- scom
- · Replies 2 ·
Finding where a line intersects a plane
- E=m(C)^2
- · Replies 5 ·
Mystery of the Perfectly-Circular Pizza: What's the Diameter?
- kappcity06
- · Replies 11 ·
Factor 36(2x-y)² - 25(u-2y)²
- richievuong
- · Replies 5 ·
Finding the pattern in tile sequences AHOY DYE FOOT and LUG TUNA BLUBBER
- kappcity06
- · Replies 1 ·
Why do negative numbers behave differently when multiplied?
- dfollett76
- · Replies 5 ·
How Many $90 and $120 Tickets Were Sold at the Concert?
- Izekid
- · Replies 1 ·
How do you tell if three vectors in R3 are coplanar?
- samh
- · Replies 5 ·
Is Sin(x) a 1:1 Function and What Defines a Function?
- Chadlee88
- · Replies 2 ·
What are the body diagonals of a cube and how do you calculate them?
- DH
- · Replies 1 ·
Solving a Basis Problem in R^2
- Chadlee88
- · Replies 4 ·
Solving Quadratic Word Problems for Jogger and Walker Speeds
- kuahji
- · Replies 2 ·
Finding A in the binomial expansion of (x² - 2)⁵
- wayneo
- · Replies 2 ·
Polar notation for a complex exponential function
- Eng67
- · Replies 9 ·
What Are Linear Combinations in Vector Mathematics?
- Chadlee88
- · Replies 1 ·
Why is V = {(1, 2)} not a vector space?
- Chadlee88
- · Replies 3 ·
Solve Lowest Cost Cuboid Volume Problem - Philipp
- philipp2020
- · Replies 3 ·
Is 2tan2b the Simplified Form of tan(45° + b) - tan(45° - b)?
- philipp2020
- · Replies 2 ·
Factorisation with 2 variables
- GregA
- · Replies 4 ·
How to simplify fractions like 122/163 systematically
- TSN79
- · Replies 4 ·
Simplify Equation (2x+3)^(3/2) + (4/2x)^(3/2): Can It Be Done?
- meee
- · Replies 2 ·
Calculate Ratio from Data: X/Y Value Comparison
- the_dialogue
- · Replies 3 ·
Area of a Circle: Calculating Radius from Area
- Hollysmoke
- · Replies 1 ·
How do logarithms show that exponential and log functions are inverses?
- Byrgg
- · Replies 54 ·
Finding the exchange ratio between two materials with equal revenue
- the_dialogue
- · Replies 1 ·
Is a Heightfield a Scalar or a Vector and How Many Dimensions Does it Have?
- hexa
- · Replies 2 ·
Find Center of Circle Inscribed in Parabola
- lkh1986
- · Replies 1 ·
Trigonometric Identities for Solving for Exact Values
- pavadrin
- · Replies 2 ·
What is the locus of complex numbers satisfying a specific argument condition?
- shafeek
- · Replies 3 ·
How Much Should Rodolfo Paez Contribute Monthly for His Retirement?
- Gablar16
- · Replies 1 ·
Cigarretes are expensive(compound interest problem)
- Gablar16
- · Replies 4 ·
Why does the impulse response method work for discrete systems?
- Päällikkö
- · Replies 4 ·