Answer:x 31.5 mm
Step-by-step explanation:I hope this helps
I=k/d^2
4=k/d^2 and 1=k/64 so if we divide the first by the second we get:
4/1=(k/d^2)/(k/64)
4=(k/d^2)*(64/k)
4=64/d^2
d^2=64/4
d^2=16
d=4 meters
Answer:
Step-by-step explanation:

Answer:
the simplified answer is y= 63/8