Answer:
450meters
Step-by-step explanation:
Given data
Speed = 81km per hour
Let us convert to meter per seconds
1 km= 1000m
1 hour=3600 seconds
= 1000/3600= 5/18 m/s
=81*5/18
=405/18
=22.5 m/s
Hence the distance traveled in 20 seconds is
distance= speed*time
distance= 22.5*20
distance= 450 meters
Hence the distance is 450meters
Your start amount is $80
And you’ll be adding 5 every week
Y=80+5x
Y is your total
x is the amount of weeks
The answer is 6 with a remainder of 1. (6 R.1)
Hope this helps!!
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D. x = t√y-7
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