It's b the number multiplied by 10 must be less than 10
Answer:
10x + 15y = 180
Step-by-step explanation:
hope i helped 3 days later lol srry
5π/12 = (5 · 180°) : 12 = 75°
cos 75° = cos ( 45° + 30° )= cos 45° cos 30° - sin 45° sin 30° =
=√2/2 * √3/2 - √2/2 * 1/2 =

=(2.4495 - 1.4142): 4 = 0.258825
Step-by-step explanation:
