In this video, we will cover a case study for sleep analysis, structure, and code. This clip is from the chapter "Random Variables - Rationale and Applications" of the series "Probability / Statistics - The Foundations of Machine...

Evaluate an expression that is raised to the power of zero.

Simplify expressions with negative exponents.

Write decimal numbers to thousandths in expanded form.

How the find the MEAN or average of a list of values. We will learn that to find the MEAN we will add all the values in the data set and divide by the number of values in the set.

👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...

👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor...

Dividing expressions containing variables.

In this short math video we will learn how to add fractions with unlike denominators to solve a real world problem. We will identify the information given in the real world standardized test question. We will write an addition problem to...

In this tutorial, you'll learn how to subtract fractions with the same denominator. You'll see a step-by-step explanation and some real-life examples that will help you understand the concept. This video also includes tips on how to...

This video walks through the solving of a two-part problem that requires learners to simplify algebraic functions. Source of problem: IGCSE A June 2018 paper 1H Q15.

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q13, which involves proportions. By the end of the video, learners will understand how to use proportions to solve word problems and how to set...

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q22, which involves simpifying complex fractions. Students will be able to go through the process of finding a common denominator, simplifying...

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q17, which involves recurring decimals. Students will understand how to use algebraic techniques to solve equations with recurring decimals...

This video shows the process for solving the problem presented in SATs 2022 Paper 1 Q32, which involves subtracting fractions from mixed number fractions. Students will understand how to convert a mixed number into a standard fraction....

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q7, which involves simplifying expressions and rearranging formulas. By the end of this video, viewers should be able to simplify and evaluate...

In this video, the teacher explains how to describe fractions of shapes by counting the number of shares. They demonstrate partitioning shapes into equal shares and writing the fractions using numerators and denominators.

It introduces rational inequalities in one variable and explains how to solve them algebraically and plot the solution set graphically with solved examples.

This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topic covered: multiplication of fractions.

👉 Learn how to simplify expressions by multiplying its terms. When multiplying expressions, each individual term of the expression is multiplied to its like term and the exponents are evaluated using the product rule, the quotient rule...

This video is a tutorial on multiplying fractions. The presenter goes through the simple process of multiplying across the numerators and denominators, as well as the importance of simplifying the fractions before multiplication. The...

In this video lesson, students learn how to describe fractions of shapes by partitioning them into equal shares. The teacher emphasizes that the size of the fraction depends not only on the number of shares but also on the size of the...

👉 Learn how to simplify a complex fraction. A complex fraction is a fraction with another fraction or fractions in the numerator and/or in the denominator. To simplify a complex fraction is to reduce the fraction in such a way as there...