We show, step-by-step, how to determine if all integers can be written in the form 13x+10y. We then show how to prove our answer.

# Tag: study help

## Venn Diagrams

We show how to create and fill in a Venn diagram when working with 2 or 3 sets at a time.

## Sets: Finding elements or defining rules

We work through an example of finding the elements of a set when the definition is given, and determining the definition when the elements are given.

## Volume using shell method

We provide a step by step solution of a calculus problem using the shell and washer method to find the volume of an object revolved around an axis.

## Integration by substitution

We provide a step by step walk through of an example of integration by substitution.