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3 years ago

13

11. 5( y + 3.5) = -7.5 5 2.5

2 answers:

ioda3 years ago

6 0

Answer:

y=−4.2552

Step-by-step explanation:

Oksi-84 [34.3K]3 years ago

3 0

Answer:

−

4

cot

(

−

45

)

cos

(

390

)

sin

(

330

)

Step-by-step explanation:

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Step-by-step explanation:

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6 0

3 years ago

The Robotics Manufacturing Company operates an equipment repair business where emergency jobs arrive randomly at the rate of thr

cluponka [151]

Answer:

The correct answer is:

$\lambda=0.375 \ jobs \ per \ hour$
$\mu=0.5 \ jobs \ per \ hour$

Step-by-step explanation:

The given values are:

Service time varies,

Repair time = 2 hours

Standard deviation = 1.5 hours

Robotics uses per hour cost,

= $35

Company's cost per hour,

= $28

(a)

⇒ Arrival rate = Jobs per hours

then,

= $\frac{8 \ hours}{3 \ jobs}$

= $2.666 \ hours \ per \ job$

The jobs per hour will be:

⇒ $\lambda=\frac{1}{2.666}$

$=0.375$

(b)

⇒ Service rate = jobs per hour

then,

μ = $\frac{1 \ repair \ job}{2 \ hours}$

= $0.5 \ jobs$

7 0

3 years ago