Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Triangles add to 180° and there is already 100° shown inside of the triangle (30° plus 70° = 100°). 180° -100° = 80°, which is x. X and y are vertical angles, so y is also 80°. The answer is B.
I believe that this is correct if anything is unclear/blurry just ask and i will tell u what i wrote
Convert the fraction to a decimal by dividing the numerator by the denominator.
22.83 (the 3 is endless)
Answer:
D. 0.65
Step-by-step explanation:
0.20 + 0.15 + 0.30
= 0.65.
