Sal discusses the conditions of matrix dimensions for which addition or multiplication are defined. Created by Sal Khan.
A' and 'an' are the indefinite articles of English; 'the' is the definite article. David explains what that means!
David defines the terms amplitude and period for simple harmonic motion and shows how to find them on a graph. Created by David SantoPietro.
Explore the basics of deflation, including the definition of deflation, how the CPI changes when there is deflation, and why economists tend to be concerned when deflation occurs. Created by Sal Khan.
One of the biggest worries associated with deflation is a deflationary spiral, in which low unemployment and a decreasing price level leads to lower unemployment and an even lower price level. Created by Sal Khan.
How you can have deflation even if the money supply increases. Created by Sal Khan.
Edgar Degas, At the Races in the Countryside, 1869, oil on canvas, 36.5 x 55.9 cm / 14-3/8 x 22 inches (Museum of Fine Arts, Boston). Created by Beth Harris and Steven Zucker.
Edgar Degas, The Bellelli Family, 1858-67, oil on canvas, 78-3/4 x 98-1/2 inches, 200 x 250 cm (Musée d'Orsay, Paris) Speakers: Dr. Beth Harris and Dr. Steven Zucker. Degas was in his mid-twenties when he painted this canvas. It depicts from left to right, the ten-year-old Giovanna, her mother, the artist's paternal aunt Laura, her younger daughter, Giula age 7, and the Baron Gennaro Bellelli. Preparatory sketches for the painting may have been made in Florence where the family was living—the Baron had been exiled from Naples. The picture may have been completed in Paris. Created by Beth Harris and Steven Zucker.
Edgar Degas, The Dance Class, oil on canvas, 1874 (Metropolitan Museum of Art) Speakers: Dr. Steven Zucker, Dr. Beth Harris. Created by Beth Harris and Steven Zucker.
Edgar Degas, Visit to a Museum, c. 1879--90, oil on canvas, 91.8 x 68 cm / 36-1/8 x 26-3/4 inches (Museum of Fine Arts, Boston). Created by Beth Harris and Steven Zucker.
Dehydration synthesis (condensation reaction) between sugar molecules. Monosaccharides, disaccharides, and polysaccharides. Formation of maltose from glucose monomers.
Eugène Delacroix, Liberty Leading the People, oil on canvas, 2.6 x 3.25m, 1830 (Musée du Louvre, Paris) Speakers: Dr. Beth Harris and Dr. Steven Zucker. Created by Beth Harris and Steven Zucker.
Eugène Delacroix, Scene of the Massacre at Chios; Greek Families Awaiting Death or Slavery, 1824 Salon, oil on canvas, 164" × 139" (419 cm × 354 cm) (Musée du Louvre, Paris) Speakers: Dr. Beth Harris and Dr. Steven Zucker. Created by Beth Harris and Steven Zucker.
Eugène Delacroix, The Death of Sardanapalus, 1827, oil on canvas, 12 ft 10 in x 16 ft 3 in. (3.92 x 4.96m) (Musée du Louvre, Paris) Speakers: Drs. Beth Harris and Steven Zucker. Created by Beth Harris and Steven Zucker.
To get a better intuition about how much a consumer values a good in a market, we think of demand as a marginal benefit curve. In this video we look at the demand curve from a marginal benefit framework. Created by Sal Khan.
Why do people hold wealth in the form of money, rather than in some other interest-earning asset? Learn about the demand for money in this video.
A real-world example of the concepts behind the AD-AS model is the inflation that the United States experienced in the late 1960s. In this video, we break down some of the events going on at the time and use the AD-AS model to see if our predictions using this model match what really happened. Created by Sal Khan.
A close reading of the beginnings of the Declaration of Independence to identify ideas of natural rights, social contract, limited government and popular sovereignty in the text.
Learn how the Preamble to the US Constitution reflects the democratic ideals of the Framers.
Ideas of natural rights, social contract, popular sovereignty, limited government and republicanism and their influence on the foundation of the United States of America.