Circumference = 2 * PI * radius
Circumference = 2 * 3.14159265 * 63
Circumference = 395.841
Answer: These are called rigid transformations because the structure and shape of the shape remains the same.
Step-by-step explanation: The word rigid and rigidity is often used to describe something that is tough or the strength of something. The transformations might be called a rigid transformation because the rigidity of the shape remains the same because the size is the exact same, it is the exact same shape it is just moved.
Answer:
1.3125
Step-by-step explanation:
Given that our random variable 
follows a Poisson distribution
Evaluate the formula at 
#since
The mean and variance of the Poisson distributed random variable is equal to 
:
#By property variance:
The expectation is 1.3125
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➷ Divide total cost by the number of files:
82.50/30 = 2.75
Multiply by 10:
2.75 x 10 = 25.5
The cost was $27.50
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Answer:
Step-by-step explanation:
In order to find r we have to square both sides of the equation
The *square root* sign cancels out the *squared* sign therefore:
