Answer:
D=2r
Step-by-step explanation:
all u do is get the diameter os for d so lets say d is 3 it will be like 3=2r now u need is the radis u need to divide the diameter by 2 and thwre u go
Answer:
Maria did her job properly. Both gears are perpendicular.
Step-by-step explanation:
Recall that given vectors a and b, they are perpendicular if and only if =0. If . Then .
IN our case a=(5,-1,2) and b) (1,-3,-4). So,
So both gears are perpendicular.
Answer:
The answer is 2) Construct six equal sections around the circle using the original radius as a guide.
Answer:
-5
Step-by-step explanation:
2+9-2(8)
11-16