This video demonstrates how to compare center and spread of histograms using the example of high school students' expected age of marriage compared to the age at which people 65 and over actually got married. The video explains how to...

In this video, the teacher explains how to estimate the measure of angles using visual clues and benchmark angles. They give examples of estimating the angle of a plane's takeoff, the opening angle of a door, and the angle formed by bike...

This video explains how to estimate the percentage of adult American females between 5 feet and 5 feet 10 inches tall using the empirical rule. The empirical rule states that approximately 68% of the data falls within one standard...

In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...

Graph a simply hyperbola with center at the origin

This video lesson teaches students how to measure angles using fractions of a circle. It explains the concept of angles and right angles, and demonstrates how to use a sprinkler on a field to visualize and calculate angle measurements....

Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...

Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...

So, how do you take a picture of a black hole? The beast in question is the supermassive black hole in the center of this – the M87 elliptical galaxy. It has an estimated mass of several billion times that of the Sun, which gives it an...

Astronomers have finally observed what causes pulsating auroras, and our estimates of the mass of the Andromeda Galaxy have shrunk.

👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...

It's not an island twice the size of Texas. But it is severely impacting marine life and human health... and incredibly hard to study. How Millions of Microscopic Fibers Are Ending Up in Our Bodies -'https://youtu.be/Bbg0L7JN15U'...

This nuclear-powered tunneling robot could one day find life on Europa. Here’s how it works. Thumbnail image courtesy Alexander Pawlusik, LERCIP Internship Program, NASA Glenn Research Center. NASA’s Crazy Plan to Send a Space Submarine...