9514 1404 393
Answer:
h = 7
Step-by-step explanation:
Perhaps you want the solution to ...
1/(h -5) +2/(h +5) = 16/(h^2 -25)
Parentheses are required around denominators that have math operations.
Multiply by (h^2-25) and solve the linear equation.
You have $576 in your checking account. Your cell phone company deducts $32 each month from your account. If you do not put any
1 answer:
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Given:
The measure of an angle is 50 degrees.
To find:
The complement of the given angle.
Solution:
We know that the sum of an angle and its complement is 90 degrees.
Let x be the complement angle of 50 degrees.
Therefore, the measure of complement of the given angle is 40 degrees.
The number of eggs sold on Tuesday is 2 complete circles, while the number of eggs sold on Wednesday is 2 complete circles and 1 quarter of the circle.
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Given on Monday the shop sold 18 eggs. Therefore, each quarter of the circle represents 3 eggs.
Hence, the number of eggs sold on Tuesday is 2 complete circles, while the number of eggs sold on Wednesday is 2 complete circles and 1 quarter of the circle.
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Answer:
1. c. Poisson
2. 0.9592 = 95.92% probability that in any one minute at least one purchase is made.
3. 0.0017 = 0.17% probability that no one makes a purchase in the next 2 minutes.
Step-by-step explanation:
We have only the mean, which means that the Poisson distribution is used to solve this question, and thus the answer to question 1 is given by option c.
Poisson distribution:
In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:
In which
x is the number of sucesses
e = 2.71828 is the Euler number
is the mean in the given interval.
Mean of 3.2 minutes:
This means that , in which n is the number of minutes.
2. What is the probability that in any one minute at least one purchase is made?
, so
.
This probability is:
In which
So
0.9592 = 95.92% probability that in any one minute at least one purchase is made.
3. What is the probability that no one makes a purchase in the next 2 minutes?
2 minutes, so
This probability is P(X = 0). So
0.0017 = 0.17% probability that no one makes a purchase in the next 2 minutes.