If you meant that 1 ball can complete a full rotation in 120 mins then to have a 180 min rotation you need 1.5 balls.
You know that you need two already to make one hexagon. So, if you multiply, or add two four times, 2+2+2+2, you would get eight.
Answer:
the answer is 1/2
Step-by-step explanation:
Answer:
x = 1 ; x = -7/2
Step-by-step explanation:

Here the sol. of x =
1) x - 1 = 0
=> x = 1
2) 2x + 7 = 0
=> 2x = -7
=> x = -7/2
Answer:
it would be 12 multiple by 9 then add the 5 centimeters
Step-by-step explana