Welcome to MathZip, your trusted guide for mastering IGCSE Algebra. In this video, we simplify algebraic fractions step by step—covering Q1 (a–e) with clear explanations and exam-style logic.

Previous Part:
https://www.youtube.com/playli....st?list=PL60Rdj6sJyB

🎯 Topics Covered:

Laws of indices

Rational expression simplification

Factoring and cancellation

IGCSE-style problem solving

📌 Perfect for learners preparing for IGCSE Mathematics (0580) or Additional Mathematics (0606).


🔔 Subscribe to MathZip for more topic-wise breakdowns and printable resources. 📥 Follow on Facebook for daily updates and practice sets.

#MathZip #IGCSEAlgebra #AlgebraicFractions #SimplifyExpressions #IGCSEMath #RationalExpressions #MathForEveryone #BangladeshMath #GlobalMath #AlgebraMadeEasy

WSJ’s Kate Clark demonstrates how Anthropic’s new Cowork tool can help non-coders automate their lives–or at least attempt to.

#Claude #AI #WSJ

So today, Craig is going to try to get inside the heads of voters by discussing how voters make decisions. Now obviously, like all decision making, voter decisions are influenced by a multitude of factors, but the three we are going to focus on today (and the three political scientists seem to think play the biggest role) are party loyalty, the issues involved in an election, and candidate characteristics. Now this all might seem like common sense, and well it sort of is, but it's important to be aware of and take into account the factors that influence our decisions - especially when considering that many voters are not particularly well-informed.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Support is provided by Voqal: http://www.voqal.org

All attributed images are licensed under Creative Commons by Attribution 4.0
https://creativecommons.org/licenses/...

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This chemistry video tutorial explains how to solve common dilution problems using a simple formula using concentration or molarity with volume. This video also provides the equations needed to calculate the concentration of a solution after evaporation and after mixing two solutions with the same substance and with different substances. This video contains plenty of examples and practice problems.

Stoichiometry Practice Test:
https://www.youtube.com/watch?v=mP2Yg8alyR0

Solute, Solvent, & Solution:
https://www.youtube.com/watch?v=MDHlaTHbEgM

Strong & Weak Electrolytes:
https://www.youtube.com/watch?v=2U2DBWWo6nc

Molarity Practice Problems:
https://www.youtube.com/watch?v=o_iETsDSvkg

Ion Concentration In Solutions:
https://www.youtube.com/watch?v=H5S4TRAzXhQ

Dilution Problems:
https://www.youtube.com/watch?v=FPidlCmymVg

___________________________________
Types of Chemical Reactions:
https://www.youtube.com/watch?v=iIJD8RNLpS0

Solubility Rules:
https://www.youtube.com/watch?v=LnGIKtx_udE

Predicting The Products of Reactions:
https://www.youtube.com/watch?v=MYmrWHzT1oI

Activity Series of Metals:
https://www.youtube.com/watch?v=VatDpKMJ-BU

Will This Reaction Occur?
https://www.youtube.com/watch?v=ACSKrg2RBmY

Predicting Products of SR Reactions:
https://www.youtube.com/watch?v=s4OFBa7Uans

___________________________________
Double Replacement Reactions:
https://www.youtube.com/watch?v=d8vWIGf2mGE

Net Ionic Equations:
https://www.youtube.com/watch?v=0jhNouV9TNo

Writing Chemical Equations From Words:
https://www.youtube.com/watch?v=npyvZSBqyc0

Solution Stoichiometry:
https://www.youtube.com/watch?v=Ab3wfKjaWWQ

Molarity & Dilution Problems:
https://www.youtube.com/watch?v=-4E6rOkiw2I

Acid Base Neutralization Reactions:
https://www.youtube.com/watch?v=UfTJrAPjeys

____________________________________
Acid Base Titration Problems:
https://www.youtube.com/watch?v=HJvALCcKYAc

Mixture Problems:
https://www.youtube.com/watch?v=e2FAAMlAJ3c

Calculating Oxidation Numbers:
https://www.youtube.com/watch?v=j0hI-a6EWWo

Oxidation and Reduction Reactions:
https://www.youtube.com/watch?v=dF5lB7gRtcA

Balancing Redox Reactions:
https://www.youtube.com/watch?v=fdbrhQAM9Gw

Ideal Gas Law Problems:
https://www.youtube.com/watch?v=iaZ96KaQ44c

___________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

What is Fraction? | Fractions for Beginners
📚✨ Dive into the world of **fractions** with our ultimate guide for beginners! Ever wondered what fractions are and why they matter? In this engaging video, we break down the essentials, making fractions simple and exciting to learn! Join us as we cover the basics: numerators, denominators, and everyday examples to get you mastering this crucial math concept in no time! 🧮✨ Whether you're a student needing a refresher or someone curious about math fundamentals, this video has something for you! Don't forget to like, subscribe, and click the bell for more educational content! Let’s make fractions fun together! 🌟📏 #Fractions #MathBasics #learningfun
fractions for beginners, what is ejection fraction, what is fraction number, what is fraction, what is fraction grade, what is fraction in maths, what is a fraction, what is a fraction?, fractions for 4th graders, introduction to fractions for kids, fractions for 2nd grade, fractions for 3rd grade, understanding fractions for kids, fractions for kids, what are fractions, fractions for kids 1st grade, fractions for kids 3rd grade, fractions for children, what are improper fractions, fractions videos for kids
#WhatIsFraction #FractionsForBeginners #MathEducation #LearnFractions #FractionFun #MathBasics #BeginnerMath #EducationalVideo #MathSkills #FractionConcepts

What exactly is consciousness? Well... that's kind of a gray area. In this episode of Crash Course Psychology, Hank gives you the basic ideas of what consciousness is, how our attention works, and why we shouldn't text and drive... ever... no, really, NEVER!

Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
--
Chapters:
Introduction: What is Consciousness? 00:00
States of Consciousness 1:51
Cognitive Neuroscience & Neuroimaging 2:16
Dual Processing 3:33
Selective Attention 4:23
Inattentional Blindness 6:13
How Magicians Use Psychology 7:08
Review & Credits 8:38
--

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This week Craig Benzine talks about the importance of elections in the strongest branch of the U.S. Government: Congress. He'll talk about the frequency of elections in the Senate and House, the typical characteristics of a candidate, and the motivating factors our congresspeople follow to get re-elected.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Support is provided by Voqal: http://www.voqal.org

Chapters:
Introduction: Congressional Elections 00:00
How Congressional Elections Work 0:59
How Congressional Candidates Get Elected 2:16
Characteristics of Congressional Candidates 3:05
Incumbency Advantage 4:21
The Electoral Connection & Why Congressional Elections Matter 6:01
Credits 8:25

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

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This biology video tutorial provides a basic introduction into the four levels of protein structure - primary, secondary, tertiary and quarternary structure. The primary structure of a protein is based on the sequence of amino acids. The secondary structure is based on localized shapes such as the alpha helix or the beta pleated sheet. The tertiary structure of a protein describes its three-dimensional folding pattern. A tertiary structure contains one individual subunit where as a quarternary structure has multiple subunits.

My Website: https://www.video-tutor.net
Patreon Donations: https://www.patreon.com/MathScienceTutor
Amazon Store: https://www.amazon.com/shop/th....eorganicchemistrytut

Subscribe:
https://www.youtube.com/channe....l/UCEWpbFLzoYGPfuWUM

Disclaimer: Some of the links associated with this video may generate affiliate commissions on my behalf. As an amazon associate, I earn from qualifying purchases that you may make through such affiliate links.

This video explains how to find the range of a function. Examples include quadratic functions, linear functions, absolute value functions, and square root or radical functions.

Functions and Graphs Practice Test: https://www.youtube.com/watch?v=kvU9sOzT2mk

Transformations of Functions:
https://www.youtube.com/watch?v=Tmdrjs9xufc

____________________________________________
How To Find The Range of a Function:
https://www.youtube.com/watch?v=Si2vmzUWfJE

Domain and Range - More Examples:
https://www.youtube.com/watch?v=KyOQhC8ctxc

Domain and Range From a Graph:
https://www.youtube.com/watch?v=KirGQOwjBVI

____________________________________________
Domain and Range - Radical Functions:
https://www.youtube.com/watch?v=VM3iMj0BwLE

Domain of Logarithmic Functions:
https://www.youtube.com/watch?v=WfgYJy035k0

Domain and Range - Piecewise Functions:
https://www.youtube.com/watch?v=0ZoSxPg6JSQ

Domain and Range - Inverse Functions:
https://www.youtube.com/watch?v=wP4JjdFbCkY

_____________________________________________
SAT Math Test Prep:
https://www.youtube.com/watch?v=fTGuTEQCsZY

ACT Math Test Prep:
https://www.youtube.com/watch?v=SsA7rZ8kczM

Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Math & Science Videos:
https://www.patreon.com/mathsc....iencetutor/collectio

#math #mathhelp #fractions #homeschoolmath #homeschoolmath

This video walks you through 4 examples of multiplying fractions. When multiplying fractions, you want to multiply straight across. That means, multiply numerator times numerator and denominator times denominator. When you have the result, simplify if needed!

Check out the bonus question at the end and leave your answer in the comments!


🔴 Subscribe for more free YouTube tips: https://www.youtube.com/c/ImprovedMath

🔴 Share this video with a friend:

🔴 Check out this playlist:

✅ For business inquiries contact me at improvedmath@gmail.com

✅ Let's connect:

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Improved math is a channel created to provide additional instruction on essential math concepts. I’m passionate about math and I know first-hand how important math concepts are in the real world.

Teachers, parents, guardians, homeschoolers, and students can use these videos to help reinforce math skills. These math videos are designed to help teach yourself math or provide self-study math tools to assist when additional instruction is needed. Teaching math and learning math has changed the way many students learn in this virtual environment. Having on-demand math videos can provide math tutoring needed when children are not able to get help from their teachers after school hours or when trying to do math at home.

The library of math tutorials that I create can also be used as supplemental instructional material for homeschool math. Each full-length video comes with a subsequent knowledge check or math practice problems which serve as a virtual math topic worksheet to test your understanding of each skill. These videos can be paused to work out the problems on your own, then unpaused to check your answers. All of these videos can be found under the Knowledge Check playlist.

I also have a library of shorter videos (less than 1 minute in length - shorts) that are quick math tips and tricks on basic math topics. Some of these short math help videos include problems that you can work on yourself and submit your answers in the comments. They are all listed under my Math Tips and Tricks playlist.

Improved math is creating more videos every day to cover topics from 4th grade, 5th grade, 6th grade, and 7th-grade math. The videos focus on fractions, basic math operations, geometry, and ratios but more topics are being added all the time. If there is a specific topic you would like to see covered, drop me a comment in one of my videos and let me know!

Free math help videos will be posted every Thursday and Friday. For additional math resources, check out my math help website at improvedmath.com where I post math worksheets and answers along with additional context on math basics.



Thanks for watching my channel.

Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on the weathering part. We'll discuss mechanical, chemical, and biological weathering and take you on a tour of some of the landscapes they help shape from landslides and sinkholes to caves!

Watch our videos and review your learning with the Crash Course App!
Download here for Apple Devices: https://apple.co/3d4eyZo
Download here for Android Devices: https://bit.ly/2SrDulJ

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:

Toni Miles, Oscar Pinto-Reyes, Erin Nicole, Steve Segreto, Michael M. Varughese, Kyle & Katherine Callahan, Laurel A Stevens, Evan Lawrence Henderson, Vincent, Michael Wang, Krystle Young, Michael Dowling, Alexis B, Rene Duedam, Burt Humburg, Aziz, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, JJurong, Eric Zhu, Alan Bridgeman, Rachel Creager, Jennifer Smith, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Divonne Holmes à Court, Eric Koslow, Jennifer Dineen, Indika Siriwardena, Khaled El Shalakany, Jason Rostoker, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Andrei Krishkevich, ThatAmericanClare, Rizwan Kassim, Sam Ferguson, Alex Hackman, Eric Prestemon, Jirat, Katie Dean, TheDaemonCatJr, Wai Jack Sin, Ian Dundore, Matthew, Justin, Jessica Wode, Mark, Caleb Weeks
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#CrashCourse #Geography #Weathering

Empire, imperialism, and colonialism are all interrelated tactics of geopolitics that are used to achieve similar goals of one state maintaining economic, political, or even cultural dominance over other territories. Today, we’re going to unravel the impacts of colonialism at different times throughout history from Taiwan to Myanmar as we examine the longstanding impacts of these relationships. We’ll also take a look at how some countries today, like Thailand, have taken the control of the narrative through culinary colonization.

SOURCES

General:
Getis, Bjelland, and Getis. Introduction to Geography, 15 ed. McGraw-Hill Education. 2017. ISBN: 978-1-259-57000-1

Gregory, Derek, Ron Johnston, Geraldine Pratt, Michael Watts, and Sarah Whatmore, eds. 2009. The Dictionary of Human Geography. 5th ed. Willey-Blackwell. ISBN: 978-1-4051-3288-6

For a free and open source option for Intro to Human Geography, see: https://humangeography.pressbooks.com/

For a free and open source option for World Regional Geography, see: https://worldgeography.pressbo....oks.com/front-matter

Cracking the AP Human Geography Exam: 2020 edition.  The Princeton Review.

Taiwan: 
http://dlc.dlib.indiana.edu/dlc/bitstream/handle/10535/7376/402.pdf?sequence=1&isAllowed=y
http://d-scholarship.pitt.edu/16493/
https://www.brookings.edu/rese....arch/taiwans-economi
https://www.cia.gov/the-world-....factbook/countries/t
https://eh.net/encyclopedia/th....e-economic-history-o
https://journals.openedition.o....rg/chinaperspectives

Condensed history of Asian Empire:
http://afe.easia.columbia.edu/....main_pop/kpct/kp_190

Mongolia:
https://www.nationalgeographic.....com/culture/article
https://geohistory.today/mongo....l-empire-effects-rus

Myanmar:
https://www.cia.gov/the-world-....factbook/countries/b
https://www.bbc.com/news/world....-asia-pacific-129928
https://www.newmandala.org/col....onialism-and-ethnic-
https://newint.org/features/2008/04/18/history/
https://en.wikipedia.org/wiki/History_of_Myanmar

Thailand
https://www.cia.gov/the-world-....factbook/countries/t
https://arrow.tudublin.ie/cgi/viewcontent.cgi?article=1140&context=dgs

Qing Dynasty
https://en.m.wikipedia.org/wiki/Qing_dynasty

Watch our videos and review your learning with the Crash Course App!
Download here for Apple Devices: https://apple.co/3d4eyZo
Download here for Android Devices: https://bit.ly/2SrDulJ

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:
Dave Freeman, Hasan Jamal, DL Singfield, Jeremy Mysliwiec, Shannon McCone, Amelia Ryczek, Ken Davidian, Stephen Akuffo, Toni Miles, Erin Switzer, Steve Segreto, Michael M. Varughese, Kyle & Katherine Callahan, Laurel A Stevens, Vincent, Michael Wang, Stacey Gillespie, Jaime Willis, Alexis B, Burt Humburg, Aziz Y, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, Junrong Eric Zhu, Rachel Creager, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Divonne Holmes à Court, Eric Koslow, Jennifer Dineen, Indika Siriwardena, Khaled El Shalakany, Jason Rostoker, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, Les Aker, ThatAmericanClare, Rizwan Kassim, Sam Ferguson, Alex Hackman, Jirat, Katie Dean, Avi Yashchin, NileMatotle, Wai Jack Sin, Ian Dundore, Justin, Caleb Weeks
__

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#CrashCourse #Geography #Colonization

We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar-mass black holes form when a very massive star dies, and its core collapses. The core has to be more than about 2.8 times the Sun’s mass to form a black hole. Black holes come in different sizes, but for all of them, the escape velocity is greater than the speed of light, so nothing can escape, not matter or light. They don’t wander the Universe gobbling everything down around them; their gravity is only really intense very close to them. Tides near a stellar mass black hole will spaghettify you, and time slows down when you get near a black hole — not that this helps much if you’re falling in.

Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron

--

Chapters:
Introduction 00:00
How Black Holes Are Formed 1:03
Misconceptions About Black Holes 3:05
Stellar Mass Black Holes 5:03
Spaghettification 5:50
Black Holes Warp Space-Time 8:00
Review 11:07
--

PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Follow Phil on Twitter: https://twitter.com/badastronomer

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--

PHOTOS/VIDEOS
White Dwarf Pulses Like a Pulsar http://www.nasa.gov/centers/go....ddard/news/topstory/ [credit: NASA, Casey Reed]
Swift Reveals New Phenomenon in a Neutron Star http://www.nasa.gov/mission_pa....ges/swift/bursts/new [credit: NASA's Goddard Space Flight Center]
Black Holes - Monsters in Space https://en.wikipedia.org/wiki/....File:Black_Holes_-_M [credit: NASA/JPL-Caltech, Wikimedia Commons]
What if the Sun became a black hole? (artist's impression) http://www.spacetelescope.org/....videos/hubblecast43g [credit: ESA/Hubble (M. Kornmesser)]
Black Hole Animation http://chandra.harvard.edu/pho....to/2003/0203long/ani [credit: NASA/SAO/CXC/D.Berry]
Star Destroyer http://svs.gsfc.nasa.gov/cgi-b....in/details.cgi?aid=1 [credit: Space Telescope Science Institute (STScI) and NASA's Goddard Space Flight Center]
Black hole deforms space http://www.spacetelescope.org/....videos/hst15_blackho [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
Black hole close-up (artist's impression) http://www.spacetelescope.org/videos/heic0211c/ [credit: European Space Agency, NASA and Felix Mirabel (the French Atomic Energy Commission & the Institute for Astronomy and Space Physics/Conicet of Argentina)]

In which John covers the long, long history of ancient Egypt, including the Old, Middle, and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids, and the Nile with John Green.

Chapters:
Introduction: Ancient Egypt 00:00
How The Nile Shaped Egypt 1:57
The Old Kingdom of Egypt 4:02
The Middle Kingdom of Egypt 6:29
The New Kingdom of Egypt 7:54
An Open Letter to King Tut 9:18
Credits 11:14

Resources:
Mummies!: https://goo.gl/BvAdmj
Pyramids!: http://goo.gl/aCov2j

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

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Despite all the hardship of being a Black person in Colonial America, some Black people were able to defy the harsh conditions and create art. Today we're learning about a teenager who attained literacy and wrote poems that reached a large slice of the population and helped changed the ways that white Colonists thought about Black people.

Clint's book, How the Word is Passed is available now! https://bookshop.org/a/3859/9780316492935

VIDEO SOURCES

Catherine Adams and Elizabeth H. Pleck, Love of Freedom: Black Women in Colonial and Revolutionary New England (Oxford: Oxford University Press, 2010).
Vincent Carretta, Phillis Wheatley: Biography of a Genius in Bondage (Athens: University of Georgia Press, 2011).
Woody Holton, Black Americans in the Revolutionary Era: A Brief History with Documents (New York: St. Martin’s Press, 2009).
·Winthrop D. Jordan, White Over Black: American Attitudes Toward the Negro, 1550-1812 (Chapel Hill: Omohundro Institute of Early American History and Culture, 1969).
Jessica M. Parr, Inventing George Whitefield: Race, Revivalism, and the Making of a Religious Icon (Jackson: University Press of Mississippi Press, 2015).
THE BAD-ASS LIBRARIANS OF TIMBUKTU, (2017), https://www.simonandschuster.c....om/books/The-Bad-Ass (last visited Oct 14, 2020).
ORAL EPICS FROM AFRICA :VIBRANT VOICES FROM A VAST CONTINENT /, (c1997), http://hdl.handle.net/2027/uc1.32106014509043.
Claude Sumner, The Light and the Shadow: Zera Yacob and Walda Heywat: Two Ethiopian Philosophers of the Seventeenth Century 172–182 (2005).
On the Death of George Whitefield by Phillis Wheatley Analysis & Poem, , POEM OF QUOTES: READ, WRITE, LEARN , https://www.poemofquotes.com/p....hilliswheatley/on-th (last visited Oct 22, 2020).
Waddill v. Chamberlayne, 1735 Va. LEXIS 3 (Apr. 1, 1735).


Watch our videos and review your learning with the Crash Course App!
Download here for Apple Devices: https://apple.co/3d4eyZo
Download here for Android Devices: https://bit.ly/2SrDulJ

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

VIDEO SOURCES

-Catherine Adams and Elizabeth H. Pleck, Love of Freedom: Black Women in Colonial and Revolutionary New England (Oxford: Oxford University Press, 2010).
-Vincent Carretta, Phillis Wheatley: Biography of a Genius in Bondage (Athens: University of Georgia Press, 2011).
-Woody Holton, Black Americans in the Revolutionary Era: A Brief History with Documents (New York: St. Martin’s Press, 2009).
·-Winthrop D. Jordan, White Over Black: American Attitudes Toward the Negro, 1550-1812 (Chapel Hill: Omohundro Institute of Early American History and Culture, 1969).
-Jessica M. Parr, Inventing George Whitefield: Race, Revivalism, and the Making of a Religious Icon (Jackson: University Press of Mississippi Press, 2015).
-THE BAD-ASS LIBRARIANS OF TIMBUKTU, (2017), https://www.simonandschuster.c....om/books/The-Bad-Ass (last visited Oct 14, 2020).
ORAL EPICS FROM AFRICA :VIBRANT VOICES FROM A VAST CONTINENT /, (c1997), http://hdl.handle.net/2027/uc1.32106014509043.
-Claude Sumner, The Light and the Shadow: Zera Yacob and Walda Heywat: Two Ethiopian Philosophers of the Seventeenth Century 172–182 (2005).
-On the Death of George Whitefield by Phillis Wheatley Analysis & Poem, , POEM OF QUOTES: READ, WRITE, LEARN , https://www.poemofquotes.com/p....hilliswheatley/on-th (last visited Oct 22, 2020).
-Waddill v. Chamberlayne, 1735 Va. LEXIS 3 (Apr. 1, 1735).


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

Vincent, Emilee Murphy, Michael Wang, Jordan willis, Krystle Young, Michael Dowling, Alexis B, Rene Duedam, Burt Humburg, Aziz, Nick, DAVID MORTON HUDSON, Perry Joyce, Scott Harrison, Mark & Susan Billian, Junrong Eric Zhu, Alan Bridgeman, Rachel Creager, Jennifer Smith, Matt Curls, Tim Kwist, Jonathan Zbikowski, Jennifer Killen, Sarah & Nathan Catchings, Brandon Westmoreland, team dorsey, Trevin Beattie, Divonne Holmes à Court, Eric Koslow, Indika Siriwardena, Khaled El Shalakany, Shawn Arnold, Siobhán, Ken Penttinen, Nathan Taylor, William McGraw, Andrei Krishkevich, Sam Ferguson, Eric Prestemon, Jirat, TheDaemonCatJr, Wai Jack Sin, Ian Dundore, Jason A Saslow, Justin, Jessica Wode, Mark, Caleb Weeks
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#crashcourse #history #philliswheatley

This statistics video tutorial explains how to use the standard deviation formula to calculate the population standard deviation. The formula for the sample standard deviation is also provided. This video shows you the variables associated with the sample mean and the population mean. In addition, it discusses how to calculate variance from standard deviation.

Introduction to Statistics:
https://www.youtube.com/watch?v=XZo4xyJXCak

Arithmetic, Geometric, & Harmonic Mean:
https://www.youtube.com/watch?v=6G6i8vSa8Zs

Cumulative Relative Frequency Table:
https://www.youtube.com/watch?v=6hJGa4Zp62M

Quartiles, Deciles, & Percentiles:
https://www.youtube.com/watch?v=40o82o3uNfk

Interquartile Range & Outliers:
https://www.youtube.com/watch?v=STSP8gTSdT8

___________________________________
Skewness & Symmetric Distribution:
https://www.youtube.com/watch?v=U0NZu6f5TMI

Sample Mean and Population Mean:
https://www.youtube.com/watch?v=cmtBUWCC-6A

Mean, Median, & Mode - Grouped Data:
https://www.youtube.com/watch?v=zjHfAhcU6kE

Standard Deviation:
https://www.youtube.com/watch?v=IaTFpp-uzp0

Variance:
https://www.youtube.com/watch?v=deIQeQzPK08

___________________________________
Mean Absolute Deviation:
https://www.youtube.com/watch?v=K4heM9mSrw0

Standard Deviation of Grouped Data:
https://www.youtube.com/watch?v=x6Pnf57wRAs

Introduction to Probability:
https://www.youtube.com/watch?v=SkidyDQuupA

Probability Formulas:
https://www.youtube.com/watch?v=bddckR734aM

Final Exams and Video Playlists:
https://www.video-tutor.net/

Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas relied on slave labor. Few places in the world relied so heavily on slave labor as Saint-Domingue, France's most profitable colony. Slaves made up nearly 90% of Saint-Domingue's population, and in 1789 they couldn't help but hear about the revolution underway in France. All the talk of liberty, equality, and fraternity sounded pretty good to a person in bondage, and so the slaves rebelled. This led to not one but two revolutions and ended up with France, the rebels, Britain, and Spain all fighting in the territory. Spoiler alert: the slaves won. So how did the slaves of what would become Haiti throw off the yoke of one of the world's great empires? John Green tells how they did it, and what it has meant in Haiti and in the rest of the world.

Chapters:
Introduction: The Haitian Revolution 00:00
The Saint-Domingue Colony 0:30
Slavery in Haiti 3:08
Radical Petit Blancs 4:24
Toussaint L'ouverture Leads Saint-Domingue to Independence 5:37
Revolution Part 2: France Returns 7:45
An Open Letter to Disease 9:10
Haiti Gains Independence 10:13
Why the Haitian Revolutions Matter 10:58
Credits 11:49

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🤩 Babies & Toddlers join Lucas & Friends for an amazing adventure with over 30 baby songs, nursery rhymes, and fun educational games! This toddler and baby learning video is packed with excitement: kids learn ABCs, colors, shapes, opposite words, first words like mommy & daddy, practice pretend play, and enjoy lively activities, all with catchy nursery rhymes and kids songs! 🎉

✨ Watch your child learn colors, ABCs, numbers, shapes, words, emotions, and play with fun toys like police car, tractor, train, jeep, and scooter. Let little ones talk, dance, and sing along in this joyful learning journey full of music, friendship, and games! 👧

🌟 Songs & Activities for Babies and Toddlers with Lucas & Friends:

00:00 Jump Jump When You Feel Happy Baby Song - Learn Hello, and enjoy playful learning. 🦁
00:32 ABC Song for Baby - Fun alphabet song to help kids learn ABCs. 🔤
01:28 Lucas & Elephant Playtime - Pretend play with a tractor! 🐘
01:51 Tractor, Tractor, My Tractor Kids Song - A playful song about riding a tractor. 🚜
02:11 Lucas & Ruby Fun Activity - Fun toddler friendship fun. 😊
03:02 This is Red Color Song - Learn the color red with baby song. 🎨
03:23 Fire Truck Song for Toddler - Sing and play with a fire truck. 🚒
03:56 Tag Game (Toddler Activity) - Kids learn to run, laugh, and play indoors. 🏃
06:12 Brody and Monkey Kids Song - A silly jungle tune for toddler learning. 🐒
06:54 Police Car Baby Song - Sing about a police car toy. 🚓
09:12 Lucas and Kangaroo - Jump and hop with learning joy! 🦘
11:00 My Little Cat Toddler Song - A cute nursery rhyme about a cat. 🐱
11:16 Bunnies and Brody - Adorable moments with bunnies! 🐰
11:38 Color Train Kids Song - Toddlers learn colors on a train ride! 🚂
12:06 Green Color Song - Learn green with this cheerful baby song. 💚
12:31 Jeep Fun Song - A fun kids song about a jeep adventure. 🚙
13:08 I'm Ready With the Hammer Toddler Song - A playful song about using a hammer! 🔨
13:56 Circle & Square Shape Song - Baby learning shapes song! ⭕🟦
16:03 Farmer Game Song - Pretend play and fun on the farm. 🐮
16:56 I'm Riding My Tractor Song - More tractor fun and bringing food! 🚜
18:35 Pig Playtime - Oink and enjoy playful animal fun. 🐷
19:19 Frogs Go Jumping Song - Rhyme about jumping frogs. 🐸
19:56 Color Train is On the Way - Color learning with a train. 🚂
20:24 This is Blue Color Song - Kids learn the color blue with this song. 💙
20:49 I'm Driving My Car Toddler Song - Pretend play driving a car! 🚗
21:34 Shape Learning Song - Kids learn triangle and rectangle shapes. 🔺🟧
23:40 Laughing Song for Toddlers - Fun baby song for laughter and play! 🙈
24:00 Color Train Toddler Song - Learn colors while riding. 🚂
24:28 This is Yellow Color Song - Learn the color yellow! 💛
24:57 Wheels on the Bus Nursery Rhyme - A classic nursery rhyme for kids. 🚌
27:33 Oh My Daddy Song - A heartwarming baby song for first words like Daddy! 👨‍👧
28:00 Color Train is On the Way Song - Learn purple with the train. 💜
28:56 Ride Ride I'm Riding My Scooter Song - A fun song about riding a scooter! 🛵
31:15 I Love You Mommy Song - A sweet toddler song about first words like Mommy! 👩‍👧
31:33 Fun Learning with Drawing, Find the Tail & Opposites – Kids learn letters, draw animals (Monkey, Frog, Kangaroo, Elephant, Lion, Rabbit, Pig, Whale, Xylophone), play Find the Tail, and practice opposites like big-small, in-out, fast-slow, up-down, open-close, left-right — all in one fun game! 🐒🎨⚖️

📌 This video is the perfect toddler learning experience packed with songs, games, and activities that make learning fun! 🚀

🎯 Lucas & Friends baby learning videos are great for:
✔ ️Toddlers learning ABC, colors and shapes
✔ ️Baby learning sounds, movements, and emotions
✔ ️Kids learning first words, opposite words, and vocabulary
✔ ️Babies learning to talk, play, and recognize feelings
✔ ️Encouraging joyful moments, friendship, and life lessons
✔ ️Teaching through games and learning through play

📚 This toddler learning video helps build skills like speaking, counting, recognizing colors, and new words. 🎓 From ABCs and first words to nursery rhymes and toy play — it’s joyful learning for babies, toddlers & preschoolers! 🏅

⭐ Discover 4K adventure with Lucas & Friends! Perfect for toddlers & preschool kids, 12 months and older! 👍 Like, SHARE & SUBSCRIBE for more fun learning videos, baby songs, and toddler-friendly content. Tap the 🔔 to stay updated!

✨ Keep Learning with Lucas & Friends! ✨
📱 Try our free toddler learning apps
🛍️ Shop official Lucas & Friends products

Copyright © RV AppStudios

#toddlerlearning #babylearning #kidssongs

🤩 Fun nursery rhyme to teach your kids ABC tracing and letter writing. ✏️ Learning the alphabet and ABC tracing is one of the hardest things children can do. 🌟 Learn ABC letters with Lucas and Ruby, they will sing A for Apple, B for Ball all the way to z. 📌 Children get to learn A to Z alphabet.

Help toddlers, preschoolers, and kindergarteners learn to say and write the English alphabet with Lucas 🦁 and Rudy 🐰! Children find it easy to memorize when listening to nursery rhymes, and with the on-screen letter tracing visuals, they can learn ABCD letters and practice tracing while singing, too! ✔️

This alphabet tracing for preschoolers video is a great way to start or continue your child’s education. 🎓 They’ll have fun learning ABC and letters from Lucas and Ruby. 🥇 Uppercase tracing and the ABCs have never been easier! 📖 ABC song for children helps kids learn to trace and learn. 👉 Hope your kids will love it!

🎯 RV AppStudios is dedicated to creating free teaching materials for kids. 🌎 Make learning easy with our educational apps, and nursery rhymes, and kids' songs. 🔊 Spread the word so more kids can learn: LIKE this video, SHARE it with other parents, and SUBSCRIBE for more catchy sing-along songs! 🔥

#ABC #NurseryRhymes #Alphabet

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Credit:
Show Created by Daniel Turner (B.A. (Hons) in History, University College London)
Script: Natasha Martell
Narrator:
Bryan Lazlo Beauregard


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