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Teacherflix
1 Views · 2 months ago

Un nuevo video para que puedas aprender español online con preguntas y respuestas:

¿Tienes hijos?
¿Tienes un coche?
¿Estas casada?
¿Sabes nadar?
¿Sabes cocinar bien?
¿Cómo te sientes?
¿Te gusta?
¿Que lées?
¿Qué tiempo hace?

Un montón de preguntas y respuestas para que puedas practicar como hacer preguntas.

Recuerda suscribirte a nuestro canal!🔔

Teacherflix
6 Views · 2 years ago

Thank you to our sponsor Ridge Wallets. Get 10% off today —WITH FREE WORLDWIDE SHIPPING AND RETURNS—by going to https://www.ridge.com/SIMPLEHISTORY and use code “SIMPLEHISTORY”.

Salomon was not truly recognised for his selfless heroism and sacrifice until 2002, nearly sixty years after his death, when he was finally awarded America’s highest military honour, the Medal of Honor.

Become a Simple History member: https://www.youtube.com/simplehistory/join
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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

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Credit:
Created by Daniel Turner
Script: Conan White
Narrator:

Chris Kane
https://vocalforge.com/

Sources:
https://pastebin.com/H2GCcLnY

Teacherflix
8 Views · 2 years ago

Let's learn all about Math!

Subscribe to KLT: https://www.youtube.com/channe....l/UC7EFWpvc1wYuUwrtZ

Get the all new KLT merch today at https://kidslearningtubeshop.com/

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KLT is the quintessential destination to learn the wonders of astronomy, earth science, geography and more through original music and animation. Our goal is to deliver a fun and unique way to learn about the universe around us for learners of all ages -- tune in each week for a new video!

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#KLT #space

Teacherflix
3 Views · 3 months ago

You probably don’t understand how a rainbow really works. Get a little smarter every day with Brilliant. Visit https://brilliant.org/veritasium to get 20% off your annual premium subscription.

Special thanks to Mats Vermeeren.

00:00 Most people don't understand rainbows
01:08 Light refraction explained
08:20 How does a rainbow form?
13:10 Circular rainbows
15:14 Why are rainbows curved?
17:30 Why can’t you see a rainbow with sunglasses?
18:43 Why is it brighter underneath a rainbow?
20:44 Different types of rainbow
23:46 Invention of the cloud chamber

▀▀▀
Join us on Patreon for early access videos, bonus content, and to support Veritasium! https://ve42.co/PatreonDE

Patrons: Adam Foreman, Albert Wenger, Alexander Tamas, Anton Ragin, Balkrishna Heroor, Bertrand Serlet, Bill Linder, Blake Byers, Bruce, Dave Kircher, David Johnston, Evgeny Skvortsov, Farbod Mansorian, Garrett Mueller, Gnare, Greg Scopel, I. H., John H. Austin, Jr., Juan Benet, KeyWestr, Kirill Shore, Kyi, Lee Redden, Marinus Kuivenhoven, Matthias Wrobel, Meekay, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, Sam Lutfi, Spilmann Reed, TTST, Tj Steyn, Ubiquity Ventures, gpoly, john kiehl, meg noah, wolfee

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

CORRECTION: We mistakenly used picture of the portrait artist Henry Tanworth Wells at 23:54. It should be a picture of CTR Wilson. Sorry! Thanks, @manicpixiedreambuoy, for pointing it out.

CORRECTION: The animation at 18:06 shows only the parallel polarization being transmitted, when in reality both parallel and perpendicular polarization light gets transmitted. Perpendicularly polarized light doesn't exhibit a Brester's angle so there's always both reflection and transmission when going from a high index of refraction material to a low index of refraction material.

▀▀▀

References: https://ve42.co/RefsRainbows

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Directed by Pablo Rovetto and Derek Muller
Written by Pablo Rovetto and Derek Muller
Edited by Nick Lear and Trenton
Animated by Mike Radjabov, Ivy Tello, David Szakaly, Emma Wright and Fabio Albertelli
Filmed by Derek Muller
Additional research by Gabe Strong and Geeta Thakur
Produced by Pablo Rovetto, Derek Muller, Emily Zhang, Rob Beasley Spence and Tori Brittain
Thumbnail contributions by Jakub Misiek, Ren Hurley and Peter Sheppard
Additional video/photos supplied by Getty Images, Storyblocks
Music from Epidemic Sound

Teacherflix
1 Views · 3 months ago

This is the first Veritasium science video. It addresses one of the most fundamental concepts in science: the idea that all things are made of atoms, tiny particles that are in perpetual motion. They attract each other when a little distance apart and repel when squeezed together.

Teacherflix
5 Views · 1 year ago

In this video, I break down the foundational reading skills so you can easily identify correct answers on your teaching reading certification exam. This video will help you with the Praxis Teaching Reading, Pearson Foundations of Reading, and the Texas STR exams. Learn how to distinguish among the skills phonemic awareness, phonological awareness, and phonics.

To purchase my Teaching Reading online course or study guide, click here: https://kathleenjasper.com/col....lections/praxis-teac

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I specialize in helping prospective teachers and educational leaders achieve their goals in certification and career. For more information, go to https://kathleenjasper.com/

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Teacherflix
1 Views · 3 months ago

The single principle that underpins all of physics. Head to https://brilliant.org/veritasium to start your free 30-day trial and get 20% off an annual premium subscription.

A massive thank you to Prof. Steven Strogatz for his expertise and enthusiasm. As an exclusive bonus for our Patreon members, we've posted a longer interview with Prof. Strogatz over there: https://www.patreon.com/posts/....principle-of-1160428

A huge thank you to Prof. Haithem Taha, Prof. Anthony Bloch, Dr. Carl-Fredrik Nyberg Brodda, Dr. Sarah Millholland, and Dr. Andrew Mitchell for all their help with finding the story and getting it right.

A special thanks to Dr. Aurèle Adam, Ron Haaksman, Marc Serra Peralta, and everyone at the Delft Makerspace for their help with preparing and performing experiments.

00:00 One rule that replaces all of physics
00:51 The problem of fastest descent
05:09 Fermat's principle
07:17 Bernoulli's solution
10:38 Maupertuis' principle
12:28 Maupertuis attacked and ridiculed
14:01 Euler & Lagrange to the rescue
17:22 The general approach to solving these problems
19:32 Writing the principle into its modern form
23:17 Why the principle works
27:08 Another way to do mechanics
30:19 A “spooky” breakthrough

▀▀▀
Join us on Patreon for early access videos and exclusive bonus content https://ve42.co/PatreonDE

Patrons: Adam Foreman, Anton Ragin, Balkrishna Heroor, Bertrand Serlet, Bill Linder, Blake Byers, Burt Humburg, Chris Harper, Dave Kircher, David Johnston, Evgeny Skvortsov, Garrett Mueller, Gnare, gpoly, I. H., John H. Austin, Jr., john kiehl, Josh Hibschman, Juan Benet, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Martin, Matthias Wrobel, Max Paladino, Meekay, meg noah, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, Sam Lutfi, Stephen Wilcox, Tj Steyn, Toni , TTST, Ubiquity Ventures, wolfee

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

▀▀▀
Key references:

A fantastic book on the history of the Principle of Least Action: Rojo, A. and Bloch, A. The
Principle of Least Action: History and Physics. - https://ve42.co/Bloch2018
Coopersmith, J. (2017). The lazy universe: an introduction to the principle of least action. Oxford University Press. - https://ve42.co/LazyU
3Blue1Brown. The Brachistochrone, with Steven Strogatz via Youtube - https://ve42.co/Brach3B1B
Vsauce. The Brachistochrone via Youtube - https://ve42.co/BrachV
PBS Space Time. Is ACTION The Most Fundamental Property in Physics? via Youtube - https://ve42.co/PBSAction

Full list of references: https://ve42.co/LeastActionRefs

Images & Video:
Voltaire. (1753). Diatribe du Docteur Akakia. - https://ve42.co/DiatribeAkakia
Philosophical Transactions cover. via Wikimedia Commons - https://ve42.co/PhilTransImage
Kids Fun Science. (Jun 28, 2017). Refraction of Light with a arrow experiment via Youtube - https://ve42.co/RefractionFunSci
Physics with Simon Poliakoff. Refraction demonstration with water and laser via Youtube - https://ve42.co/SimonPoliakoff
Mercury Transit Across Sun. via Nasa.gov - https://ve42.co/MercTransit


▀▀▀
Directed by Casper Mebius
Written by Casper Mebius and Derek Muller
Edited by Trenton Oliver
Animated by Fabio Albertelli, Ivy Tello, Mike Radjabov, Gregor Čavlović, Emma Wright, James Finnemore and David Szakaly
Illustrated by Jakub Misiek, Emma Wright, and Maria Gusakovich
Filmed by Derek Muller and Casper Mebius
Additional research by Gabe Strong, Gregor Čavlović, and Geeta Thakur
Produced by Casper Mebius, Derek Muller, Rob Beasley Spence, Gabe Strong, Gregor Čavlović, and Tori Brittain
Thumbnail contributions by Jakub Misiek, Ren Hurley and Peter Sheppard
Additional video/photos supplied by Getty Images, Storyblocks, and NASA SVS
Music from Epidemic Sound

Teacherflix
2 Views · 3 months ago

We’re on PATREON! Join the community: https://www.patreon.com/itsokaytobesmart
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Over 200 years ago, scientists were looking at sunlight through a prism when they noticed that part of the rainbow was missing. There were dark lines where there should have been colors. Since then, scientists have unlocked the secrets encoded in these lines, using it to uncover mind-boggling facts about the fundamental nature of our universe and about worlds light-years away.

Want to build your own DIY spectrometer? Mine is a modified version of this one from @exploratorium https://www.exploratorium.edu/....snacks/cd-spectrosco
And here's what you'll need to make one: https://amzn.to/3sbhr7C

References: https://sites.google.com/view/....whysomeoftherainbowi

0:00 Fraunhofer's mystery of missing colors
0:54 Playing with fire
2:11 Puzzle pieces and color codes
3:30 Electrons do the strangest things
5:40 How to make a rainbow analyzer
8:00 Using rainbows to understand the universe
9:57 Life beyond Earth
10:57 Final thoughts

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Teacherflix
10 Views · 2 years ago

Join us in World of Tanks now for free and use the code ‘ONCEUPONATANK’ to access the Tiger tank 131 and other cool stuff by clicking the link here: https://tanks.ly/33Q89zl

The MIAS and MORAS mini tanks remain one of the most awkward weapon designs in the history of warfare.

Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

https://teespring.com/stores/s....imple-history-offici

Simple history gives you the facts, simple!

See the book collection here:

Amazon USA

http://www.amazon.com/Daniel-Turner/e/B00H5TYLAE/


Amazon UK
http://www.amazon.co.uk/Daniel....-Turner/e/B00H5TYLAE


https://www.facebook.com/Simpl....e-History-5494376751

https://twitter.com/SimpleHistoryYT


Credit:
Created by Daniel Turner
Script: Dejan Milivojevic
Narrator:
Bryan 'Lazlo' Beauregard



Music Credit:

Crossing the Chasm Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

Sources:
Motomitragliatrice blindata d’assalto “MIAS”, Technical features, Ansaldo S.A.
Hills, Andrew. "Ansaldo MIAS/MORAS 1935." Tank Encyclopedia. January 02, 2020.
Antonino Giorgianni. "Ansaldo Mias/Moras." Storia D'Italia. April 20, 2020.

Teacherflix
5 Views · 2 years ago

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/cc-sixth-grade-ma

Remember that what you do to one side, you have to do to the other. Will you multiply or divide both sides to dump the fraction, x/a? Let's do it together.

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/equations_beginner/e/linear_equations_1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/equations_beginner/v/solving-one-step-equations?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Missed the previous lesson?
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/equations_beginner/v/simple-equations?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. Without it, it's impossible to move forward. It's used by people with lots of different jobs, like carpentry, engineering, and fashion design. In these tutorials, we'll cover a lot of ground. Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra channel:
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Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
2 Views · 2 months ago

Sean Reardon, a professor of education and sociology at Stanford University, discusses his recent study for which he and his colleagues built a data-bank archive of every test score from every elementary and middle school student in the United States over the last five years. Reardon explains that at the core of the study, which includes 215 million student test scores, is the question: Can we fix educational equity by building better school systems alone?

More on this topic is available here: http://www.edweek.org/ew/artic....les/2017/05/31/our-s ____________________

Want more stories about schools across the nation, including the latest news and unique perspectives on education issues? Visit www.edweek.org.

About Education Week:
Education Week is America’s most trusted source of independent K-12 education news, analysis, and opinion. Our work serves to raise the level of understanding and discourse about education among school and district leaders, policymakers, researchers, teachers, and the public. Published by the nonprofit organization Editorial Projects in Education, Education Week has been providing award-winning coverage of the field for over 35 years.

Follow Education Week:
- Subscribe to our Channel: http://www.youtube.com/subscri....ption_center?add_use
- On Facebook at https://www.facebook.com/edweek/
- On Twitter at https://twitter.com/educationweek/
- On LinkedIn at https://www.linkedin.com/company/education-week

To license video footage from Editorial Projects in Education please contact the Education Week Library at library@epe.org.

Teacherflix
2 Views · 2 years ago

Radio, Cinema, and Television have been staples in news coverage, entertainment, and education for almost 100 years. But... where did they all come from? Who started what and when and why? In this episode, Hank Green talks to us about their birth and a dead elephant.

***

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark Brouwer, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Mayumi Maeda, Kathy & Tim Philip, Jirat, Ian Dundore
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Teacherflix
1 Views · 2 months ago

Here’s a quick Spanish lesson on suffixes.

A suffix is a group of letters added to the end of a word that adds to the meaning of the word.

In this video we will go over the suffix -ería. This is used to add the information of a store and is used to add onto nouns.

Please like the video and share with others who could benefit. More Spanish lessons coming.

👍Please share this video with others and like it to help me get the word out on my videos!

And let me know about other troublesome topics you’d like in bite-sized form.

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Teacherflix
3 Views · 2 years ago

It’s party time with Caroline and Sophie from Khan Academy Kids! Get ready for a piñata party during Circle Time. Start by reading the book “Piñata Party” by Cynthia Platt. Learn words with the “br” sound, like brushes and broom. Then, watch our special guests on Show & Tell as they make a real piñata out of a balloon. Have fun talking about toys and objects to include in the piñata.

We’d love to feature kids on Show & Tell! Send us your artwork, photos, or videos by submitting them here: http://khan.co/KhanKids-SubmitYourArt.

Looking for more kid-friendly activities? See our latest printable worksheets:
http://khan.co/KhanKids-Printables.

Learn more about Khan Academy Kids, our free educational app for children ages 2-7, at http://www.khankids.org.

Available on Apple, Google Play, and Amazon app stores:

http://khan.co/KhanKids-YT-Apple
http://khan.co/KhanKids-YT-Google
http://khan.co/KhanKids-YT-Amazon

Subscribe to our channel so you don’t miss a single resource from Khan Academy Kids, and access all of our Circle Time videos on our Circle Time Playlist! http://khan.co/KhanKids-CircleTimePlaylist.

Questions or ideas for Circle Time? Reach our team at khankids@khanacademy.org.

Teacherflix
5 Views · 2 years ago

Thank you to Morgan & Morgan for sponsoring today’s video. Visit this link if you’d like a free
consultation: https://www.forthepeople.com/SimpleHistory



2nd Channel: https://www.youtube.com/channe....l/UCPdc6bs3I8s6Y4QE_
Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

https://teespring.com/stores/s....imple-history-offici

Simple history gives you the facts, simple!

See the book collection here:

Amazon USA

http://www.amazon.com/Daniel-Turner/e/B00H5TYLAE/


Amazon UK
http://www.amazon.co.uk/Daniel....-Turner/e/B00H5TYLAE


https://www.facebook.com/Simpl....e-History-5494376751

https://twitter.com/SimpleHistoryYT


Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script:
Narrator:

Chris Kane
https://vocalforge.com/

Teacherflix
4 Views · 2 months ago

Subscribe to Happy Learning: https://my.happylearning.tv/

More related videos: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn

Curiosities for kids:https://www.youtube.com/playli....st?list=PLLF_mZmNqOn

Amazing Facts about Crocodiles | Happy Learning 🐊🌍
In this Happy Learning video, we dive into the fascinating world of crocodiles—animals that have lived on Earth since the time of the dinosaurs! 🦖🌿 Crocodiles are powerful reptiles and masters of camouflage, spending much of their time in water and swimming at high speeds thanks to their strong tails. 🐊💦

Did you know that crocodiles have the strongest bite in the animal kingdom? Their jaws can crush bones and shells, and their skin is so tough that it acts like real armor. 🦷⚔️ Although they may seem dangerous, crocodiles are very protective of their young and care for them until they can fend for themselves. This video will show you how these fascinating reptiles live, hunt, and survive, and you'll discover why they've remained almost unchanged for millions of years. Let’s get to know these incredible, ancient inhabitants of our planet! 🌍✨


Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and start learning in the most entertaining way.

#happylearning
#learning
#happy

Teacherflix
5 Views · 2 years ago

Monsters | Awesome Compilation | Learn Math for Kids | Cartoons for Kids
SUBSCRIBE: http://bit.ly/2oEezdZ

The city of Monstropolis in the monster world is powered by energy from the screams of human children. At the Monsters, Inc. factory, skilled monsters employed as "scarers" venture into the human world to scare children and harvest their screams, through doors that activate portals to the children's bedroom closets. It is considered dangerous work, as human children are believed to be "toxic". Energy production is falling because children are becoming less easily scared, and company chairman Henry J. Waternoose is determined to find a solution. James P. "Sulley" Sullivan is the organization's top scarer, but his chief rival, chameleon-like monster Randall Boggs, is close behind.

One day, Sulley discovers that Randall has left a door activated on the scare floor, and a small girl has entered the factory. After several desperate failed attempts to put her back, Sulley conceals her and takes her out of the factory. He interrupts his best friend Mike Wazowski's date with his girlfriend Celia, and chaos erupts when the child is discovered. Sulley and Mike manage to escape with the child before the Child Detection Agency (CDA) quarantines the restaurant, and back at their home, discover that she is not actually toxic after all. Sulley grows attached to her and calls her "Boo", while Mike is just anxious to be rid of her.

When they smuggle her back into the factory in an attempt to send her home, Randall discovers her and tries to kidnap her, but mistakenly kidnaps Mike instead. He straps Mike to a large machine called "The Scream Extractor", which he intends to use to revolutionize the scaring industry and solve the monster world's energy problems by forcefully extracting screams from kidnapped human children, though not without harming them in the process. Before Randall can use the machine on Mike, Sulley intervenes and reports Randall to Waternoose. Waternoose, secretly in league with Randall, instead exiles Mike and Sulley to the human world in the Himalayas. The two are taken in by a Yeti, who suggests they travel to a nearby village to return to the monster world. Sulley prepares to leave, but Mike angrily refuses to go with him. Meanwhile, Randall is preparing to use the Scream Extractor on Boo, but Sulley arrives and saves her. Randall and Sulley fight, and after Mike returns and the two reconcile, they overpower Randall, take Boo and flee.

Randall pursues them to the giant door vault, and a wild chase ensues among the millions of doors as they move in and out of the storage vault on rails to the factory floor. Boo's laughter causes all the doors to activate, allowing the chase to pass in and out of the human world. Randall attempts to kill Sulley, but Boo overcomes her fear and attacks him. Sulley and Mike trap Randall in the human world, where two residents at a trailer park beat him with a shovel, mistaking him for an alligator. Sulley and Mike then trick Waternoose into revealing his plot with Randall, while Mike secretly records the entire conversation. The CDA then arrests Waternoose, and Sulley and Mike say goodbye to Boo and return her home before her door is shredded to prevent any more contact with her.

With the factory temporarily shut down, Sulley is named the new CEO of Monsters, Inc. Under his leadership, the energy crisis is solved by harvesting children's laughter instead of screams, as laughter has been found to be much more potent. Mike takes Sulley aside, revealing he has rebuilt Boo's door, and only needs one final piece, which Sulley took as a memento. Sulley enters and joyfully reunites with Boo.

Teacherflix
18 Views · 1 year ago

Feeling overwhelmed with tech challenges in your school? 😩 Dive into our April updates and kiss those frustrations goodbye! Simplify your workflow with the revamped appointment schedule and adjustment sliders featuring numbers. Let's tackle those pain points together! #utbPD #GoogleWorkspace #EduTech #SchoolLeadership #AprilUpdates 🚀✨

Teacherflix
5 Views · 2 years ago

We're thinking about the probability of rolling doubles on a pair of dice. Let's create a grid of all possible outcomes.

Watch the next lesson: https://www.khanacademy.org/math/precalculus/prob_comb/independent_events_precalc/v/lebron-asks-about-the-chances-of-making-10-free-throws?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Missed the previous lesson?
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Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn't mean anything unless you have some knowledge of what calculus is. Let's keep it simple, shall we? Calculus is a conceptual framework which provides systematic techniques for solving problems. These problems are appropriately applicable to analytic geometry and algebra. Therefore....precalculus gives you the background for the mathematical concepts, problems, issues and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices, and others. There you have it ladies and gentlemen....an introduction to precalculus!

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