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Tatiana [17]
1 year ago
8

Find the missing values. Leave answers in simplified radical form.

Mathematics
2 answers:
Vilka [71]1 year ago
5 0

Answer:

See below ~

Step-by-step explanation:

<u>Q3</u>

  • r = 8 / sin 45°
  • r = 8 / (1/√2)
  • <u>r = 8√2</u>

  • t  = 8 / tan 45°
  • t = 8 / 1
  • <u>t = 8</u>

<u></u>

<u>Q4</u>

  • f = 9√3 / sin 60°
  • f = 9√3 / (√3/2)
  • <u>f = 18</u>

  • o = 9√3 / tan 60°
  • o = 9√3 / √3
  • <u>o = 9</u>
gulaghasi [49]1 year ago
4 0

#3

  • tan45=8/t
  • 1=8/t
  • t=8

Simiilary

  • cos45=8/r
  • r=8√2

#4

  • sin60=9√3/f
  • √3/2=9√3/f
  • 1/2=9/f
  • f=18

And

  • cos60=0/18
  • 1/2=0/18
  • o=18/2=9
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A service center receives an average of 0.6 customer complaints per hour. Management's goal is to receive fewer than three compl
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Answer:

0.18203 = 18.203% probability that exactly four complaints will be received during the next eight hours.

Step-by-step explanation:

We have the mean during a time-period, which means that the Poisson distribution is used to solve this question.

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

A service center receives an average of 0.6 customer complaints per hour.

This means that \mu = 0.6h, in which h is the number of hours.

Determine the probability that exactly four complaints will be received during the next eight hours.

8 hours means that h = 8, \mu = 0.6(8) = 4.8.

The probability is P(X = 4).

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 4) = \frac{e^{-4.8}*4.8^{4}}{(4)!} = 0.18203

0.18203 = 18.203% probability that exactly four complaints will be received during the next eight hours.

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3 years ago
What is the volume of the triangular prism?
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Answer:

See Explanation

Step-by-step explanation:

The question is incomplete as the attachment of the prism is not given.

From the attachment:

L =10cm -- Length

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Answer:

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Separate the variables.

dP / [P (1 − P/6200)] = 0.0013 dt

Multiply the left side by 6200 / 6200.

6200 dP / [P (6200 − P)] = 0.0013 dt

Factor P from the denominator.

6200 dP / [P² (6200/P − 1)] = 0.0013 dt

(6200/P²) dP / (6200/P − 1) = 0.0013 dt

Integrate.

ln│6200/P − 1│= 0.0013t + C

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1 + C = 6.2

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