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Introduction to the Black-Scholes formula | Finance & Capital Markets | Khan Academy
Introduction to the Black-Scholes formula | Finance & Capital Markets | Khan Academy Teacherflix 29 Views • 1 year ago

Created by Sal Khan.

Watch the next lesson:
https://www.khanacademy.org/economics-finance-domain/core-finance/derivative-securities/black-scholes/v/implied-volatility?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets

Missed the previous lesson? Watch here:
https://www.khanacademy.org/economics-finance-domain/core-finance/derivative-securities/interest-rate-swaps-tut/v/interest-rate-swap-2?utm_source=YT&utm_medium=Desc&utm_campaign=financeandcapitalmarkets

Finance and capital markets on Khan Academy: Interest is the basis of modern capital markets. Depending on whether you are lending or borrowing, it can be viewed as a return on an asset (lending) or the cost of capital (borrowing). This tutorial gives an introduction to this fundamental concept, including what it means to compound. It also gives a rule of thumb that might make it easy to do some rough interest calculations in your head.

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

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Counting On | How to Add | Khan Academy Kids
Counting On | How to Add | Khan Academy Kids Teacherflix 29 Views • 1 year ago

Learn more counting, addition, and subtraction lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu

Count on with Peck and his pom poms to add the numbers six and five to make eleven. Addition is so much fun with Peck from Khan Academy Kids!

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.

You can also access other videos on our Addition and Subtraction playlist here: http://khan.co/KhanKids-AdditionSubtraction

Subscribe to our channel for more videos like this.

Questions? Reach our team at khankids@khanacademy.org.

The Space Shuttle
The Space Shuttle Teacherflix 29 Views • 1 year ago

Please consider supporting our videos on Patreon
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Space Shuttle

Reusable low Earth orbital spacecraft

The three parts that made up the space shuttle were the orbiter - the part that resembled an aeroplane, the large orange external tank and the 2 solid rocket boosters.

Copyright: DO NOT reupload our content on Youtube or other social media without expressed permission.

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Credit:
Created by Daniel Turner

Narrator:

Mike Joseph


Music Credit

Space Station Experience by Unicorn Heads

The Mysterious World of Gliese 1214 b. What Do We Know about Ocean Planets?
The Mysterious World of Gliese 1214 b. What Do We Know about Ocean Planets? Teacherflix 29 Views • 1 year ago

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Imagine an ocean where water is constantly boiling, it’s boundless, there is no coast in sight. It stretches as far as the horizon, although this fact is evasive to the observer, because as far as the eye can see the horizon is constantly shrouded in dense fog. Thick clouds with not a chink between them hide a huge, but dim sun. Only negligible fluctuations in the level of light indicate transitions from nights to days and nights again. If it has stopped being pitch-dark and it’s deep grey all around you, it means sunrise. And deep down, under scores of kilometres of water, there lies a billion-ton core of scorching ice. This is what the unique and mysterious world of Gliese 1214 b must look like.

#Planets #Ocean #Gliese1214b #Exoplanets #Film #Kosmo #Life #Universe

Graphing Circles and Writing Equations of Circles In Standard Form - Conic Sections
Graphing Circles and Writing Equations of Circles In Standard Form - Conic Sections Teacherflix 28 Views • 1 year ago

This algebra video explains how to graph circles in standard and how to write equations of circles in standard form. This video on conic sections contains plenty of examples and practice problems.

Conic Sections - Basic Introduction:
https://www.youtube.com/watch?v=YWHyovdHqkg

Finding The Radius and Center of a Circle:
https://www.youtube.com/watch?v=vSw9VAM8hfY

Writing Equations and Graphing Circles:
https://www.youtube.com/watch?v=u_39J-syjB0

Writing Equations of Ellipses:
https://www.youtube.com/watch?v=OPSCKXXvWiM

Circumference of an Ellipse:
https://www.youtube.com/watch?v=r5pl_stL4c0

Area of an Ellipse:
https://www.youtube.com/watch?v=Mw3MeDLL8d4

____________________________
Eccentricity of an Ellipse:
https://www.youtube.com/watch?v=9hyQksn80ug

Hyperbolas - Conic Sections:
https://www.youtube.com/watch?v=Iu-4-fizlD4

Parabolas - Focus and Directrix:
https://www.youtube.com/watch?v=KYgmOTLbuqE

How To Find The Vertex of a Parabola:
https://www.youtube.com/watch?v=qsA3e5lGwKo

Conic Sections Quiz:
https://www.youtube.com/watch?v=vqZO_CrEdPs

_____________________________
Arithmetic Sequences:
https://www.youtube.com/watch?v=XZJdyPkCxuE

Geometric Sequences:
https://www.youtube.com/watch?v=zRKZ0-kOUZM

Probability - Basic Intro:
https://www.youtube.com/watch?v=SkidyDQuupA

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

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

ONLY a few steps to solve this algebra equation…
ONLY a few steps to solve this algebra equation… Teacherflix 28 Views • 1 year ago

How to solve a linear equation with fractions.

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The Menstrual Cycle | 3D Animation (2/2)
The Menstrual Cycle | 3D Animation (2/2) Teacherflix 28 Views • 1 year ago

This 3D animation explains the hormonal changes during the menstrual cycle. The menstrual cycle begins with menstrual bleeding, marking the follicular phase’s first day. When the follicular phase begins, levels of estrogen and progesterone are low. As a result, the top layers of the uterus’s thickened lining break down and are shed, and menstrual bleeding occurs.

About this time, the pituitary gland starts sending follicle-stimulating hormone to your ovaries, stimulating the development of 5 to 20 follicles in the ovaries. Each follicle contains an immature egg and produces estrogen. One follicle will soon begin to grow faster than others. This is called the dominant follicle. As the follicle grows, the levels of estrogen in the blood rise significantly. This increase in estrogen begins to inhibit the secretion of the follicle-stimulating hormone. The fall in follicle-stimulating hormone allows smaller follicles to die off. They are, in effect, "starved" of follicle-stimulating hormone.

The increasing amount of estrogen in your body also ensures that the lining of your womb thickens with nutrients and blood. This is so that if you do get pregnant, the fertilized egg will have everything it needs to grow.

The ovulatory phase begins with a rise in the levels of luteinizing hormone and follicle-stimulating hormone. The surge in the luteinizing hormone triggers one of the most prominent follicles to pop open and release its egg, which heads into the fallopian tube and starts its journey toward the uterus. Ovulation usually occurs 16 to 32 hours after the beginning of the surge, around day 14 of the menstrual cycle.

During the luteal phase, the levels of the luteinizing hormone and follicle-stimulating hormone decrease. The ruptured follicle closes after releasing the egg and forms a corpus luteum, which produces estrogen and progesterone, which cause the lining of the uterus to thicken even more. If an egg is fertilized, progesterone supports early pregnancy. But if no fertilization occurs, the corpus luteum will break down between 9 and 11 days after ovulation. This results in a drop in estrogen and progesterone levels, bringing us back to the first stage of menstruation if no pregnancy has occurred.


Timecodes:
0:00 Menstrual Bleeding
0:07 Follicular Phase
0:36 Dominant Follicle
1:12 Ovulation
1:37 Luteal Phase
1:46 Corpus Luteum
0:54 Implantation
1:04 Next video

#Menstruation #Menstrualcycle #animation

How To Memorize The Periodic Table - Easiest Way Possible (Video 1)
How To Memorize The Periodic Table - Easiest Way Possible (Video 1) Teacherflix 28 Views • 1 year ago

How to memorize the periodic table 10X faster - Video 1. Start with the first 20 elements at https://www.memorize.academy/first-20-elements and then go for the entire periodic table of 118 elements at https://www.memorize.academy/m....emorize-the-periodic

How do you memorize the periodic table in the fastest and easiest way possible? You use the natural power of your visual memory.

We offer an easy way to memorize the periodic table. Memorization of the periodic table with our innovative animated video series takes just hours, so memorize the elements now!

Most people only know the typical techniques to memorize using your verbal memory – acronyms, acrostics, rhymes, associations and songs. Those techniques can be great for remembering small amounts of information, but they don’t take advantage of the dramatic improvements to your recall when you activate your visual memory.

We’ll begin by picturing a typical poster or chart of the periodic table. There are many small, colorful squares, each with a name, number and symbol of an element, and together they create a large irregular shape.

This image will act as an anchor in your memory, holding down the chain of images which link together all the elements.

Now we’ll take that colorful poster and attach it to the first element. Picture that poster of the periodic table and imagine it’s wrapped around a water hydrant.

Why a water hydrant?

1. Hydrogen

The 1st element in the periodic table is Hydrogen. Hydrogen sounds similar to hydrant and that’s how you’ll be reminded of it. Picture a water hydrant you see on the sidewalk. It’s short, stubby, red, and looks strong. The hydrant is like a little man with a small hat on top and stubby arms sticking out the side.
Imagine that hydrant with the chart of the periodic table wrapped around it. When you think of the chart of the periodic table, you’ll picture it wrapped around a water hydrant. Because hydrant sounds similar to hydrogen, you’ll know the 1st element in the table is Hydrogen.

2. Helium

The 2nd element is Helium. If you’re like me, when you think of Helium, you automatically think of a helium balloon. When you let it go, it’s the type that floats up into the sky. Now imagine an enormous helium balloon. Make it the size of a car and picture it attached to the water hydrant. Because the helium balloon is so big and has so much lifting power, it starts to lift the water hydrant up off the sidewalk. Together they slowly float up into the air and away into the sky. Now, when you visualize the helium balloon floating upwards, you’ll know the 2nd element is Helium.

3. Lithium

The 3rd element is Lithium. Lithium sounds a bit like “lithp”. People that have a lisp – a type of speech impediment – aren’t able to pronounce “lisp” and say “lithp”. Let’s pretend the large helium balloon has a lisp. It also has a small hole in it, causing the balloon to slowly deflate. Usually a balloon with a hole in it will make a slow “ssss” sound, but because this balloon has a lisp or “lithp”, it makes a “thhh” sound. Visualize the large balloon slowly deflating making a “thhh” sound. When you think of the balloon’s “lithp”, you’ll be reminded of the 3rd element, Lithium.

4. Beryllium

The 4th element is Beryllium. If you say Beryllium slowly, it sounds like “bee really yum”. Picture your slowly deflating balloon. Imagine an enormous bumble bee lands on the balloon. The bee is the size of a football and has bright yellow and black stripes and buzzes loudly. The bee licks the balloon to have a taste and says, “that’s really yum!” It really likes the taste of the balloon. When you picture the bee licking the balloon, you’ll think, “bee really yum”, and be reminded of the 4th element, Beryllium.

5. Boron

The 5th element is Boron. We can break up the word Boron into “bore” and “on”. The word “bore” can mean to drill a hole. Picture now the bee, after tasting the balloon. It uses its stinger, pierces the balloon and starts to spin around in a drilling motion. The bee has landed on the balloon, tasted it, and now it’s started to “bore on” the balloon. When you picture the bee begin to bore on the balloon, you’ll remember the 5th element, Boron.

How the Mafia and U.S. Military Collaborated in WWII
How the Mafia and U.S. Military Collaborated in WWII Teacherflix 27 Views • 1 year ago

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Credit:
Created by Daniel Turner
Script: Dejan Milivojevic
Narrator:

Chris Kane
https://vocalforge.com/

Music Credit:
Dances and Dames by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/

Sources:
Campbell, Rodney. The Luciano Project: The Secret Wartime Collaboration of the Mafia and the U.S. Navy. McGraw-Hill, 1977.
Newark, Timothy. The Mafia at War: Allied Collusion with the Mob. Frontline, 2012.
Pantaleone, Michele. The Mafia and Politics. Chatto & Windus, 1966.
Lupo, Salvatore. History of the Mafia. Columbia University Press, 2009.
Lupo, Salvatore. The Two Mafias: A Transatlantic History, 1888-2008. Palgrave Macmillan, 2015.

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