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STALIN [3.7K]
2 years ago
5

A. (x, y) = (x + 6, y)

Mathematics
1 answer:
svet-max [94.6K]2 years ago
5 0

Answer:

i don't know, you need to tell us what we need to do

Step-by-step explanation:

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PLZ HELP I GIVE 15 POINTS
Natali [406]

Answer:

<u>4 1/12. (Four, one by twelve).</u>

Step-by-step explanation:

7/12 × 7 =?

7/12×7 = <u>49/12.</u>

The answer is now in improper fraction. When we convert it to mixed fraction we get the answer as <u>4 1/12. (Four, one by twelve).</u>

8 0
3 years ago
The reference desk of a university library receives requests for assistance. Assume that a Poisson probability distribution with
NISA [10]

Answer:

a) 0.125

b) 7

c) 0.875 hr

d) 1 hr

e) 0.875

Step-by-step explanation:l

Given:

Arrival rate, λ = 7

Service rate, μ = 8

a) probability that no requests for assistance are in the system (system is idle).

Let's first find p.

a) ρ = λ/μ

\frac{7}{8} = 0.875

Probability that the system is idle =

1 - p

= 1 - 0.875

=0.125

probability that no requests for assistance are in the system is 0.125

b) average number of requests that will be waiting for service will be given as:

λ/(μ - λ)

= \frac{7}{8 - 7}

= 7

(c) Average time in minutes before service

= λ/[μ(μ - λ)]

= \frac{7}{8(8 - 7)}

= 0.875 hour

(d) average time at the reference desk in minutes.

Average time in the system js given as: 1/(μ - λ)

= \frac{1}{(8 - 7)}

= 1 hour

(e) Probability that a new arrival has to wait for service will be:

λ/μ =

{7}{8}

= 0.875

5 0
3 years ago
How to do literal equations?
mixer [17]

See examples before for the method to solving literal equations for a given variable: Solve A = bh for b. Since h is multiplied times b, you must divide both sides by h in order to isolate b. Since (c+d) is divided by 2, you must first multiply both sides of the equation by 2.

5 0
3 years ago
Can you help me with this questions?​
Valentin [98]

Answer:

ee

Step-by-step explanation:

e

8 0
2 years ago
Great Dish believes that it will need new equipment in 8 years. The equipment will cost $26,000. What lump sum should be investe
xenn [34]

Answer:

d. $10,234.80

Step-by-step explanation:

we are given

The equipment will cost $26,000

so, Amount is $26000

A=26000

should be invested today at 12%

r=12%=0.12

It is compounded semiannually

so, n=2

t=8

now, we can use formula

A=P(1+\frac{r}{n})^{nt}

now, we can plug values

26000=P(1+\frac{0.12}{2})^{2\times 8}

now, we can solve for P

P=10234.80338

8 0
3 years ago
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