In the geometry of 4 dimensions, the 3-3 duoprism or triangular duoprism is a four-dimensional convex polytope. It can be constructed as the Cartesian product of two triangles and is the simplest of an infinite family of four-dimensional polytopes constructed as Cartesian products of two polygons, the duoprisms. It has 9 vertices, 18 edges, 15 faces (9 squares, and 6 triangles), in 6 triangular prism cells. It has Coxeter diagram , and symmetry [[3,2,3]], order 72. Its vertices and edges form a rook's graph. (Wikipedia).

System of Equations with Three Equations and Three Variables

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From playlist Systems of Equations

Multivariable Calculus | Three equations for a line.

We present three equations that represent the same line in three dimensions: the vector equation, the parametric equations, and the symmetric equation. http://www.michael-penn.net http://www.randolphcollege.edu/mathematics/

From playlist Lines and Planes in Three Dimensions

Multivariable Calculus | Interactions of lines in 3 dimensions.

We describe how two lines can interact in three dimensions. In addition, we give examples of intersecting, parallel, and skew lines. http://www.michael-penn.net http://www.randolphcollege.edu/mathematics/

From playlist Lines and Planes in Three Dimensions

Solving an equation with infinite many solutions 2a+3=3+2a

π Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of operations to get to the solution. To solve a multi-s

From playlist How to Solve Multi Step Equations with Variables on Both Sides

Solving a multi step equation with variables on both sides 5+3r=5rβ19

π Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of operations to get to the solution. To solve a multi-s

From playlist How to Solve Multi Step Equations with Variables on Both Sides

Systems of Equations in Three Variables: Part 2 of 2

This video provides examples of a system with no solution and infinite solutions. The answers are verified graphically. http://mathispower4u.wordpress.com/ (searchable) http://mathispower4u.yolasite.com/ (list of all videos)

From playlist Systems of Equations with Three Unknowns

Solving a multi-step equation with fractions and variable on both sides

π Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of operations to get to the solution. To solve a multi-s

From playlist How to Solve Multi Step Equations with Variables on Both Sides

When you have a variable on both sides how do you solve the equation 2m+12=3mβ13

From playlist How to Solve Multi Step Equations with Variables on Both Sides

Solving an equation with fraction where your variable is on both sides

From playlist How to Solve Multi Step Equations with Variables on Both Sides

This Problem Stumped Vietnamese Students - Solution To Viral Puzzler

This problem was asked to students in Vietnam. Can you figure it out? Place the numbers 1 to 9, using each number once, to make a valid equation. In this video I explain how you can solve this problem logically. UPDATE: I've posted all 136 solutions, at the end of this description, found

From playlist Viral Math Memes

How Big is Graham's Number? (feat Ron Graham)

See our other Graham's Number videos: http://bit.ly/G_Number More Ron Graham Videos: http://bit.ly/Ron_Graham More links & stuff in full description below βββ The magnitude of Graham's Number is difficult to fathom - Ron Graham himself attempts to explain. WHAT IS the number: http://youtu

From playlist Big Numbers on Numberphile

Surds- Revise Grade 6/7 - GCSE Maths Topic Revision (OnMaths.com)

Do the paper online: https://www.onmaths.com/mock_exams/surds/ Topic Buster:Surds Learn how to work with Surds with GCSE maths questions. In this series, we look at all the grade 6 and 7 questions you may encounter on the higher and foundation GCSE maths paper. If you like this paper an

From playlist Grade 7 Topic Busters

Year 10 Extension Maths - Indices

In this introduction to index laws lesson, each index law is fully explained and illustrated with numerical examples. You are then shown how to apply the index laws to simplify equations. To do quizzes on indices and check the answers, go to http://magicmonktutorials.com/

From playlist Mathematics Lessons, Grades 8-10, High School, Australia

Part III: Linear Algebra, Lec 7: Dot Products

Part III: Linear Algebra, Lecture 7: Dot Products Instructor: Herbert Gross View the complete course: http://ocw.mit.edu/RES18-008F11 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT Calculus Revisited: Calculus of Complex Variables

Math 7: Module 3 Lesson 3 on Writing Products as Sums and Sums as Products

From playlist Eureka Math Grade 7 Module 3

Surds (Part 6) Rationalising the Denominator 2 - 10 Minute Maths Series | GCSE Maths Tutor

A video revising the techniques and strategies for rationalising harder fractions with surds. These are the calculators that I recommend: Casio fx-83GTX Scientific Calculator, Black - https://amzn.to/2P2cyGG Casio Fx-991ex Scientific Calculator Fx 991 Ex - New + 552 Function - Classwiz -

From playlist GCSE Maths Videos

C1 Surds and Indicies AS Level Maths revision Exam paper practice & help

Edexcel C1 Surds and Indicies AS Level Maths revision Exam paper practice & help. AS - C1 playlist - https://www.youtube.com/playlist?list=PL2De0DVeFj3VVisruoDveJ_5U_2PAZb9k 21 Exam questions that take you through all the types of questions on this topic at this level. Here is a link to th

From playlist C1 Edexcel AS Maths Exam paper practice questions.

Surds (Part 4) Expanding Double Brackets - 10 Minute Maths Series | GCSE Maths Tutor

A video revising the techniques and strategies for expanding double brackets with surds. These are the calculators that I recommend: Casio fx-83GTX Scientific Calculator, Black - https://amzn.to/2P2cyGG Casio Fx-991ex Scientific Calculator Fx 991 Ex - New + 552 Function - Classwiz - http

From playlist GCSE Maths Videos

With a variable on both sides solving a multi step equation two ways

From playlist How to Solve Multi Step Equations with Variables on Both Sides