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17/04/2020

English System for measuring lengths:

✍️ 12 inches = 1 foot
✍️ 3 feet = 1 yard
✍️ 5280 feet = 1 mile
✍️ 1 inch = 2.54 centimeters
✍️ 3.28 feet = 1 meter
✍️ 0.62 mile = 1 kilometer

15/04/2020

While in a quarantine and you want to refresh what you've learned in school, please follow my posts on this page. Thank you!

14/04/2020

Umbrage
✍️offense

14/04/2020

Metric Linear Conversion:

✍️ 1 kilometer =10 hectometers
✍️ 1 hectometer =10 dekameters
✍️ 1 dekameter = 10 meters
✍️ 1 meter = 10 decimeters
✍️ 1 decimeter = 10 centimeters
✍️ 1 centimeter = 10 millimeters

09/04/2020

A man is 3 times as old as his son. The sum of their ages is 48 years. How old is the son?

Solution:
✍️ let x be the son's age
3x be the father's age

3x+x=48
4x=48
4x/4=48/4
x=12 years old

08/04/2020

The length of a rectangle is 5m more than twice the width. If the perimeter is 88m, what is the dimension of the rectangle?

Solution:
✍️ P=2L+2W
88m=2(2W+5m)+2W
88m=4W+10m+2W
88m=6W+10m
88m-10m=6W
78m/6=6W/6
W=13m

✍️L=2W+5m
L=2(13m)+5m
L=26m+5m
L=31m

✍️Therefore, the dimension of the rectangle is 13m ×31m.

08/04/2020

✍️Vitamin A, fat-soluble vitamin occuring in two forms;retinol and dehydroretinol
✍️Vitamin B1, thiamine
✍️Vitamin B2, riboflavin
✍️Vitamin B6, pyridoxine
✍️Vitamin B12, cyanocobalmin
✍️Vitamin C, ascorbic acid
✍️Vitamin D2, fat-soluble vitamin found in fish-liver oils, milk products, eggs
✍️Vitamin E, fat-soluble vitamin necessary in the body for reproduction, muscular development and resistance of red blood cells to hemolysis
✍️Vitamin G, riboflavin
✍️Vitamin H, biotin
✍️Vitamin K, found in green vegetables

07/04/2020

To get the sum of the angles of a polygon:
✍️ (n-2)×180°

Ex: Find the sum of the angles of a dodecagon.

Solution: ✍️(12-10)×180°=
10×180°=1800°

07/04/2020

Line
✍️ also called straight angle.

07/04/2020

Pallid
✍️pale, having no color

If the circumference of a ball is 33 dm, what is its surface area? Use π=3.14
02/04/2020

If the circumference of a ball is 33 dm, what is its surface area?

Use π=3.14

Find the amount of tin needed to make a milk tin can that has a radius of 2.5 cm and a height of 5 cm. Use π=3.14
02/04/2020

Find the amount of tin needed to make a milk tin can that has a radius of 2.5 cm and a height of 5 cm.

Use π=3.14

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