First you have to subtract 3x and then divide everything by -4 to get y=3/4x-7
It is the first choice. All you have to do is isolate A from 2A so you would divide by 2 and get A=bh/2
Use this version of the Law of Cosines to find side b:
b^2 = a^2 + c^2 − 2ac cos(B)
We want side b.
b^2 = (41)^2 + (20)^2 - 2(41)(20)cos(36°)
After finding b, you can use the Law of Sines to find angles A and C or use other forms of the Law of Cosines to find angles A and C.
Try it....
Answer:
Step-by-step explanation:
the answer of this question is 38 and i hope it s correct
