Answer:
C ≈ 22.1°
Step-by-step explanation:
The law of cosines formula is given. Solving it for C, we find ...
C = arccos((a^2 +b^2 -c^2)/(2ab))
where a and b are the sides adjacent to the angle.
Then we have ...
C = arccos((14^2 +19^2 -8^2)/(2·14·19)) = arccos(493/532)
C ≈ 22.1°
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If you have a fair number of these to do, a spreadsheet is a useful tool. There are also triangle solver apps on the web or your local smart platform that will do this, too.
Answer:
D.13
Step-by-step explanation:
g(3) = 4(3) + 1 = 12 + 1 = 13
Answer:
The top right grid
Step-by-step explanation:
The other grids have 2 y outputs for one or more x inputs.
Answer: 144
Step-by-step explanation:
No need explanation