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Scrat [10]
3 years ago
7

Please help, Brainliest, thanks and five star

Mathematics
1 answer:
igomit [66]3 years ago
6 0

Answer:

I think the answer is the fourth one

Step-by-step explanation:

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If you are good at sequences in math please help I am giving more points
vodka [1.7K]

Answer:

C. 101 - 5(n - 1)

Step-by-step explanation:

d = (26 - 71)/(16 - 7)

d = -45/9

d = -5

a7 = a1 + (7-1)(-5)

71 = a1 - 30

a1 = 101

an = 101 + (n - 1)(-5)

an = 101 - 5(n - 1)

4 0
3 years ago
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-8.1 irrational number or rational
Luda [366]

Answer:

Rational

Step-by-step explanation:

Because it's an actual number that you can graph where irrational would be is if it would be a number that like pie or something where it just goes on and on

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3 years ago
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The times to process orders at the service counter of a pharmacy are exponentially distributed with mean 1 0 minutes. If 100 cus
g100num [7]

Answer:

Therefore,  the probability that at least half of them need to wait more than 10 minutes is <em>0.0031</em>.

Step-by-step explanation:

The formula for the probability of an exponential distribution is:

P(x < b) = 1 - e^(b/3)

Using the complement rule, we can determine the probability of a customer having to wait more than 10 minutes, by:

p = P(x > 10)

  = 1 - P(x < 10)

  = 1 - (1 - e^(-10/10) )

  = e⁻¹

  = 0.3679

The z-score is the difference in sample size and the population mean, divided by the standard deviation:

z = (p' - p) / √[p(1 - p) / n]

  = (0.5 - 0.3679) / √[0.3679(1 - 0.3679) / 100)]

  = 2.7393

Therefore, using the probability table, you find that the corresponding probability is:

P(p' ≥ 0.5) = P(z > 2.7393)

<em>P(p' ≥ 0.5) = 0.0031</em>

<em></em>

Therefore,  the probability that at least half of them need to wait more than 10 minutes is <em>0.0031</em>.

8 0
3 years ago
He following formula is used in economics to find a factory's unit labor cost UUU, where OOO is the hourly output per worker and
Vilka [71]

Answer:

W = O/U

Step-by-step explanation:

U/1 = O/W

WU=O

W = O/U

4 0
3 years ago
alisia goes to the gym every 3 days Luis goes to the gym every 4 days they both are at on the 12th day what is the next day they
jenyasd209 [6]
24th is the answer, you just double the 12 because it’s both a number 3 and 4 go into
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