The approximation of the circumference of the ride is 138 feet to the nearest foot
<h3>How to determine the circumference?</h3>
The given parameters are:
- Center (a,b) = (0,0) i.e. the origin
- A circular ring, (x,y) = (16,15.1)
The radius is calculated using:

So, we have:

Evaluate
r = √484.01
Evaluate the square root
r = 22.0
The circumference is calculated using
C = 2πr
So, we have:
C = 2π * 22.0
Evaluate
C = 138
Hence, the approximation of the circumference of the ride to the nearest foot is 138 feet
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The slsope of the graph of the line = 4.8 - 3 / 6-3 = 0.6
so we can write the equation as
c = 0.6d + b where b is some constant
When d = 3 c = 3 so we have
3 = 0.6* 3 + b
giving b = 3 - 1.8 = 1.2
Therefore the required linear equation is
c = 0.6d + 1.2
Answer:
32 km/hr
Step-by-step explanation:
Firstly, you need to find the speed of both trains in km/hr.
Paolo's train= (70km x 60hr)/35= 120 km/hr
Monika's train= 684km/4.5hr= 152 km/hr
Then find the difference in speed:
152-120=32 km/hr