If you would like to simplify <span>7 - 3[(n^3 + 8n) / (-n) + 9n^2], you can do this using the following steps:
</span>7 - 3[(n^3 + 8n) / (-n) + 9n^2] = 7 - 3[(-n^2 - 8) + 9n^2] = 7 - 3[-n^2 - 8 + 9n^2] = 7 - 3[ - 8 + 8n^2] = 7 - 3[8<span>n^2 - 8] = 7 - 24n^2 + 24 = - 24n^2 + 31
</span>
The correct result would be <span>- 24n^2 + 31.</span>
Answer:
x=
−399
/75
Explanation:
Step 1:
−34(8x+12)=3(x−3)
(−34)(8x)+(−34)(12)=(3)(x)+(3)(−3)(Distribute)
−272x+−408=3x+−9
−272x−408=3x−9
Step 2:
−272x−408−3x=3x−9−3x
−275x−408=−9
Step 3:
−275x−408+408=−9+408
−275x=399
Step 4:
−275x
−275
=
399
−275
3x3x3x3x3x3 which will give you your answer of 279
Answer:
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Answer:
18.88% probability that three or four customers will arrive during the next 30 minutes
Step-by-step explanation:
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 time interval.
Average rate of 6.4 per 30 minutes.
This means that 
What is the probability that three or four customers will arrive during the next 30 minutes?





18.88% probability that three or four customers will arrive during the next 30 minutes