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Answer:
If the radius of a Circle is tripled, then its diameter is also tripled, and subsequently, its circumference is also tripled. Pi remains a constant.If the diameter is doubled (say the original length was 2, now the length is 4), the circumference will also double (the original circumference is 2π , now the circumference is 4π )
Step-by-step explanation:
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BrotherEye
The first thing we should do in this casp is subtract both speeds.
We have then:
64.4 km / h - 64 km / h = 0.4 km / h
We must know the following change of units:
1h = 3600 s
1pie = 0.3048m
1km = 1000m
Applying the change of units we have:
0.4 * (1/3600) * (1000) * (1 / 0.3048) = 0.364537766 feet / s
Round to the hundredths
0.36 feet / s
Answer:
a zebra is 0.36 in feet per second faster.
Trueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer:
26.5 
Step-by-step explanation:
Given: Times for running Boston Marathon= 
Speed= 
Now, finding the distance covered in Boston Marathon.
Distance covered= 
Distance covered = 
∴ Distance covered in the Boston Marathon is 26.5 