Answer:
Step-by-step explanation:
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Answer\
X is 84 ;)
Step-by-step explanation:
This is a proportion problem.
z 4
--- = ----
12 5
We can cross multiply and divide.
5z = 48
z = 9.6
Hope this helps!
Answer:
133
Step-by-step explanation:
100/.75 = 133.33 = 133
Answer:
angle c
Step-by-step explanation:
angle c is the angle of incidence. It is the angle between the perpendicular ( line that meets the surface at 90 degrees) and the ray that is coming in