Answer:
Step-by-step explanation:
Start by moving the 3 to the other side of the equals sign to get

so with that replacement:

By the Zero Product Property,
or 
Yes these are both the same, so we only need one of them. Once we find the angle, they are both the same, so we only need one of these equations.
If
, take the inverse tangent of both sides to give you:
and
so

Tangent increases in increments of pi or 180, so the other angle within the given interval is 35.8 + 180 = 215.8
Answer: Its right.
Step-by-step explanation:
Given :
Number of hours studied daily ,
.
Time given for science and mathematics is ,
.
To Find :
How much time does she devote for other subjects .
Solution :
Let , time devote for other student is x .
So , Time left for other subject = Total time - Time taken by science and mathematics .

Therefore , time devote for other subject is
hours .
Hence , this is the required solution .