Answer:
125
Step-by-step explanation:
5x5x5
Answer:
it's answer is y + 185 = 250; y = 65
hope it helps you
48:8=6, 58:8=7, so 48/56=6/7
Answer:
steps below
Step-by-step explanation:
Are you going to solve the value of A or just a proof the equation
cos 2A = cos² A - sin² A
2cos²A-cos2A-1 = 2cos²A - (cos² A - sin² A) - 1 = cos² A + sin² A - 1
2cos²A-cos2A-1 = 1 - 1 = 0
A: 90° or 270° or 450° .....
1300 and 1200add up to 2500
