Step-by-step explanation:
a) You need a high degree of precision and accuracy to machine the gears because of what the device is meant to do: time-keeping.
b) You only need a fair degree of accuracy here for matching purposes.
c) Since you're measuring with a tape measure, you only need a fair amount of accuracy.
The answer is C: 44 degrees
12 / 4 = 3.
Therefor, 3:1.
5 + 6 (5) ^ 2
5 + 6(25)
5 + 150
155 is your answer
hope this helps
Takes the s 1 h 15 m for 1 3/5 miles
so
75 min divided by 1.6= about 46 min
i am not completely sure if its correct