Answer:
I believe it's Division property
Step-by-step explanation:
Since 8m = -16
You divide both sides by 8. So -16 divided by 8 will equal to -2. m=-2
Hope this helpsʕ•ᴥ•ʔ
The error is that he probably forgot the decimal point thus causing him to say '"hundred" instead of "and" for the decimal point.
http://www.purplemath.com/modules/specfact.htm
Answer:
it appears to have TRANSLATED
Answer:
6000 square millimeters
Step-by-step explanation:
Side length of the slanting side can be calculated using the Pythagorean theorem,
L = sqrt(30^2+40^2) = 50
sufrace area of a triangular prism
= surface area of the end sections + the surface area of the three side faces
= 2*(30*40/2) + 40*(30+40+50)
= 1200 + 4800
= 6000 mm^2
