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Find the sales tax on a purchase of $56.35 if the sales tax rate is 5%.

by Dr. Osama M. Khaled — published Aug 17, 2024 Located in Mathematics / … / Applications of Percent / Calculate sales taxes, total cost, and tax rates

Find the specific gravity of a material?

by Dr. Osama M. Khaled — published Nov 03, 2024 — last modified Nov 03, 2024 08:33 AM Located in Physics / Solids / Exercises

Find the sum

by Dr. Osama M. Khaled — published Jun 01, 2025 — last modified Jun 01, 2025 11:43 PM Located in Mathematics / … / Adding Whole Numbers / Use properties of addition to add whole numbers

Find the total cost of the child's car seat if its sale price is $249.50 and its sales tax rate is 7.2%

by Dr. Osama M. Khaled — published Aug 23, 2024 Located in Mathematics / … / Applications of Percent / Calculate sales taxes, total cost, and tax rates

Find unknown angle measures of triangles

by Dr. Osama M. Khaled — published Oct 18, 2025 — last modified Oct 20, 2025 08:24 PM — filed under: Year 6

If you draw several triangles and carefully measure each angle with a protractor, you will find that the sum of the angle measures of each triangle is 180°

Located in Mathematics / Geometry / Triangles

Find x

by Dr. Osama M. Khaled — published May 17, 2023 — last modified Oct 31, 2023 09:34 PM Located in Mathematics / … / Fundamentals / Exercise 4: Guided Practice

find_angles.jpg

by Dr. Osama M. Khaled — last modified May 19, 2023 08:39 AM Located in Mathematics / … / Exercise 4: Guided Practice / Refer to the figure below. Find the measure of each angle

$find_angles.jpg$

find_x_and_angle.jpg

by Dr. Osama M. Khaled — last modified May 22, 2023 11:37 AM Located in Mathematics / … / Exercise 4: Guided Practice / Find m($\angle{ABD}$)

$find_x_and_angle.jpg$

find_x_and_angle.jpg

by Dr. Osama M. Khaled — last modified May 22, 2023 11:49 AM Located in Mathematics / … / Exercise 4: Guided Practice / Find the measure of the following angle

$find_x_and_angle.jpg$

find_x_and_angle_3.jpg

by Dr. Osama M. Khaled — last modified May 23, 2023 02:49 AM Located in Mathematics / … / Exercise 4: Guided Practice / First find $x$. Then find m($\angle{ZYQ})$ and m($\angle{PYQ})$

$find_x_and_angle_3.jpg$

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