18. What is the focal length of a concave lens with a focal of 16cm in contact with a convex lens with a focal length of 28 cm? is...
Determine a negação da proposição: “Pedro viaja e Ana estuda”.
a) Pedro viaja ou Ana estuda.
b) Pedro não viaja e Ana estuda. ...
tan -1 value
19. Two power lenses, -19 D and +6 D are in contact with each other. What is the focal length of the combination of these lenses?
43522*789
what is the decomposition of 232
|-5+3i -4-2i|
-2x-5x=-8(4x+5)+5(6x-8)
In an auto show, 400 people liked Honda, 300 people liked Toyota, and 150 people liked both
Honda and Toyota. If there were 750 p...
