Starting from what I know (the difference between ribbons), I decided to go from the bottom and work my way up. I then noticed a pattern (each sum was three more of the previous one), and decided to keep my pattern of the three numbers but not have to do any major mental work and instead add three to the previous sum until I got to 38.
It is already in identity.
cos (x - y) - cos (x + y) = 2 sin(x) sin (y)
Answer:
0.3 x 91.3
3/10 x÷ 913/10 =
1/10 x (3x+913)
Step-by-step explanation:
Add 4 to both sides. Y+4=12x divide both sides by 12 y+4 over 12 which = x switch sides x= y+4 over 12 that’s the answer and I’m 100% sure
Answer:first one
Step-by-step explanation: