the perimeter of a regular pentagon is 41.5 cm. Write and solve an equation to determine the length of each side of the pentagon
2 answers:
Answer:
The length of each side of the pentagon is 8.3 cm.
Step-by-step explanation:
Given : The perimeter of a regular pentagon is 41.5 cm.
To find : Write and solve an equation to determine the length of each side of the pentagon?
Solution :
Regular pentagon has 5 sides.
The perimeter of the regular pentagon is
The perimeter of a regular pentagon is 41.5 cm.
Substitute the value in the formula,
Therefore, The length of each side of the pentagon is 8.3 cm.
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Answer:
The probability that she will not get a hit until her fourth time at bat in a game is 0.103
Step-by-step explanation:
Previous concepts
The geometric distribution represents "the number of failures before you get a success in a series of Bernoulli trials. This discrete probability distribution is represented by the probability density function:"
Let X the random variable that measures the number os trials until the first success, we know that X follows this distribution:
Solution to the problem
For this case we want this probability
And using the probability mass function we got:
The probability that she will not get a hit until her fourth time at bat in a game is 0.103