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Redundancy control

by Dr. Osama M. Khaled — published Sep 05, 2025 Located in Computing / … / Introduction / Advantages of using a DMBS approach

Identify the inconsistency between the two tables

by Dr. Osama M. Khaled — published Sep 05, 2025 Located in Computing / … / Introduction / Advantages of using a DMBS approach

We say triangle ABC is congruent to triangle DEF if

by Dr. Osama M. Khaled — published Nov 20, 2025 — last modified Nov 26, 2025 10:36 AM Located in Mathematics / … / Congruent Triangles and Similar Triangles / Identify corresponding parts of congruent triangles

Identify corresponding parts of congruent triangles

by Dr. Osama M. Khaled — published Nov 20, 2025 — last modified Nov 27, 2025 08:53 AM — filed under: Year 8

Simply put, two geometric figures are congruent if they have the same shape and size.

Located in Mathematics / Geometry / Congruent Triangles and Similar Triangles

Congruent Triangles and Similar Triangles

by Dr. Osama M. Khaled — published Nov 20, 2025 — last modified Nov 29, 2025 09:48 PM

In our everyday lives, we see many types of triangles. Triangular-shaped kites, sails, roofs, tortilla chips, and ramps are just a few examples. We can make ...

Located in Mathematics / Geometry

Simplify algebraic expressions

by Dr. Osama M. Khaled — published Nov 19, 2023 — last modified Jun 06, 2024 08:52 PM

Enter an equation or a mathematical expression to simplify

Located in Tools / Mathematics Tools

$Simplify algebraic expressions$

Mathematics Tools

by Dr. Osama M. Khaled — published Nov 19, 2023 — last modified Jun 15, 2025 01:47 AM

Useful mathematics tools to boost your work

Located in Tools

$Mathematics Tools$

Tools

by Dr. Osama M. Khaled — published Nov 19, 2023 — last modified Sep 20, 2025 10:40 AM

$Tools$

Calculate commissions and commission rates

by Dr. Osama M. Khaled — published Dec 13, 2024 — last modified May 12, 2025 06:14 AM — filed under: Year 7, Year 8, Year 9

Instead of working for a salary or getting paid at an hourly rate,many salespeople are paid on commission.They earn a certain percent of the total dollar ...

Located in Mathematics / … / Percent / Applications of Percent

Write mixed numbers as improper fractions

by Dr. Osama M. Khaled — published May 13, 2024 — last modified Jul 12, 2024 09:50 PM — filed under: Year 5

Understand in simple steps how to write a mixed number as an improper fraction

Located in Mathematics / … / Fractions and Mixed Numbers / Multiplying and Dividing Mixed Numbers

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