Round whole numbers
When we don’t need exact results, we often round numbers
Dr. Osama M. Khaled
Sep 14, 2023 06:01 AM
Use the addition property of equality
Adding the same number to both sides of an equation does not change its solution.
Dr. Osama M. Khaled
Sep 13, 2023 04:08 AM
Exercise 1: Vocabulary
Practice some essential vocabulary when you simplify algebraic expressions
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Sep 12, 2023 11:46 PM
Determine whether a number is a solution
An equation is a statement indicating that two expressions are equal
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Sep 12, 2023 07:03 AM
Exercise 6:Translate to algebraic expression
Abstract the words into concrete algebraic expressions
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Sep 11, 2023 08:13 PM
Exercise 1: Guided Practice
An exercise showing how percents could be used in practical situations
Dr. Osama M. Khaled
Sep 11, 2023 05:50 AM
Write fractions as percents
We use a two-step process to write a fraction as a percent. First we write the fraction as a decimal. Then we write that decimal as a percent.
Dr. Osama M. Khaled
Sep 09, 2023 01:00 AM
Write decimals as percents
To write a percent as a decimal, we drop the % symbol and move the decimal point 2 places to the left. To write a decimal as a percent, we do the opposite: we move the decimal point 2 places to the right and insert a % symbol.
Dr. Osama M. Khaled
Sep 08, 2023 02:09 AM
String Processing
String processing algorithms have been important for computer science for a long time in conjunction with computer languages and compiling issues.
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Sep 07, 2023 11:36 PM
Searching
The searching problem deals with finding a given value, called a search key, in a given set (or a multiset, which permits several elements to have the same value).
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Sep 07, 2023 12:30 AM
Sorting
The sorting problem is to rearrange the items of a given list in nondecreasing order
Dr. Osama M. Khaled
Sep 04, 2023 06:31 AM
Write percents as decimals
To write a percent as a decimal, recall that a percent can be written as a fraction with denominator 100 and that a denominator of 100 indicates division by 100
Dr. Osama M. Khaled
Sep 02, 2023 08:26 PM
Internet of Things Overview
The Internet of Things (IoT) encapsulates a vision of a world in which billions of objects with embedded intelligence, communication means, and sensing and actuation capabilities will connect over IP (Internet Protocol) network.
Dr. Osama M. Khaled
Aug 29, 2023 03:07 AM
Organizational Challenges
Cloud services impact organizations in subtle ways. The cloud impacts the whole company, not just the IT department
Dr. Osama M. Khaled
Aug 28, 2023 06:41 AM
AWS Compute Essentials
Practice questions to test your knowledge about AWS compute
Dr. Osama M. Khaled
Aug 24, 2023 04:24 AM
Atoms, Molecules, and Ions: Exercises
Test your knowledge in atoms, molecules and Ions
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Aug 23, 2023 03:27 AM
Common names of chemical molecules
Some molecules which have some common names
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Aug 22, 2023 12:04 PM
Molecules and Chemical Nomenclature
By taking this quiz, you should be able to define a molecule, name simple molecules based on their formulas, and determine a formula of a molecule based on its name.
Dr. Osama M. Khaled
Aug 16, 2023 11:01 AM
Stemplots
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Aug 13, 2023 11:09 AM
Software as a Service (SaaS)
One of the first implementations of cloud services was Software as a Service (SaaS)
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Aug 08, 2023 02:32 AM
Conservation of momentum and energy: Self Test
More questions in conservation of momentum and energy
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Jul 24, 2023 12:19 AM
Energy Conservation
Is potential energy conserved?
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Jul 05, 2023 09:22 PM
Kinetic Energy
Kinetic energy! Does it resonate to you? Let's take the quiz to understand more.
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Jul 04, 2023 10:05 AM
Potential Energy
Energy is defined as the ability to do work
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Jul 02, 2023 08:12 AM
Power
Power is defined as work done divided by the time used to do the work
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Jul 01, 2023 08:11 AM
Work
In physics, work is defined as the product of the net force and the displacement through which that force is exerted.
Dr. Osama M. Khaled
Jun 24, 2023 09:21 PM
Momentum problems
Practical problems using momentum formulas
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Jun 23, 2023 08:50 PM
Collision
The law of conservation of momentum also allows us to analyse collisions between objects
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Jun 18, 2023 05:59 AM
Momentum Conservation
Momentum conservation is a fundamental principle in physics that states that the total momentum of a closed system remains constant if no external forces act upon it.
Dr. Osama M. Khaled
Jun 12, 2023 11:53 PM
Momentum
Momentum is defined as the product of the mass of an object and its velocity
Dr. Osama M. Khaled
Jun 11, 2023 05:38 AM
