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pashok25 [27]
3 years ago
10

Using pemdas please

Mathematics
2 answers:
adell [148]3 years ago
7 0

Answer:

60

Step-by-step explanation:

5²= 10

10x3=30

90-30=60

Blizzard [7]3 years ago
4 0

Hello!

Let’s look at the acronym PEMDAS:

P - parentheses

E - exponents

M - muliplication

D - division

A - addition

S - subtraction

Now we can apply this order of operations to the given equation. Because there are no parentheses, we begin by simplifying the exponents:

90 - 5² x 3

90 - 25 x 3

Now we can move on to multiplication:

90 - 25 x 3

90 - 75

Finally, we can skip down to subtraction:

90 - 75

15

Using PEMDAS order of operations, the correct answer is 15.

I hope this helps!

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Answer:

  1. Probability [No customers in system] = 0.375
  2. Customers waiting for service = 25/24
  3. Average time customer wait = 1.25/1.5
  4. May be wait
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Step-by-step explanation:

Given:

Arrival rate λ = 1.25 min

Mean μ = 2

Computation:

(a) Probability [No customers in system]

Probability [No customers in system] = 1-[λ/μ]

Probability [No customers in system] = 1-[1.25/2]

Probability [No customers in system] = 0.375

(b) Customers waiting for service

Customers waiting for service = λ²/ [μ(μ-λ)]

Customers waiting for service = 1.25²/ [2(2-1.25)]

Customers waiting for service = 25/24

(c) Average time customer wait

Average time customer wait = λ / [μ(μ-λ)]

Average time customer wait = 1.25/ [2(2-1.25)]

Average time customer wait = 1.25/1.5

(d) May be wait because Customers waiting for service = 25/24

(e) Per customer average time

Per customer average time = 1/(μ-λ)

Per customer average time = 1/(2-1.25)

Per customer average time = 1.33 (Approx)

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2 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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Read 2 more answers
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