Answer:
sin a = 0.689
Step-by-step explanation:
in the image
420 / 2 = 210
210 / h = 105
210 / d = 210
h = 2
d = 1
they selled 105 burgers and 210 hot dogs. hope i helped ;)
Y=4x-1 because it can be the only one
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.
