4 years ago

−5.55− 8.55c+ 4.35c combine like terms to simplify the expression

Mathematics

2 answers:

siniylev [52]4 years ago

8 0

-5.55 - 8.55c + 4.35c

-8.55c + 4.35c = -4.2c

-5.55 - 4.2c is the answer.

riadik2000 [5.3K]4 years ago

5 0

First, we should organize the expression in descending order:
4.35c - 8.55c - 5.55
4.35c - 8.55c= -4.2c
So the simplified expression is:
-4.2c - 5.55
I hope this has helped you, if not you may ask me the question again and clarify.

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As the light passes from the air into the glass, it makes an angle θa in air and an angle θl in the lens material, relative to t

grin007 [14]

Answer:

The angles are related by Snell's Law of refraction.

Step-by-step explanation:

When light is incident on a medium at an angle this angle is known as angle of incidence and it undergoes refraction in the medium at an angle meaning that it deviates from it's normal path this angle of deviation measured with respect to normal is known as angle of refraction and are related by Snell's Law as under

$\mu _{air}sin(\theta _{a})=\mu _{lens}sin(\theta _{l})\\\\\therefore \frac{sin(\theta _{a})}{sin(\theta _{l})}=\mu _{lens}$