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Likurg_2 [28]
3 years ago
11

Much help needed thank you

Mathematics
1 answer:
suter [353]3 years ago
7 0

Answer:

14.29

Step-by-step explanation:

Let p be the price of the cd

we take the price of the cd plus the tax and it must be less than or equal to 15

the tax is the price of the cd times 5 %

p + p*.05 ≤15

Combine like terms

p*1.05 ≤15

Divide each side by 1.05

p ≤15/1.05

p  ≤14.28571429

Rounding to the nearest cent

p  ≤14.29

The maximum price is 14.29

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Which transformation of y = f(x) moves the graph 7 units to the left and 3 units down?
Svetlanka [38]

Answer:

b) y = f(x - 7) - 3

Step-by-step explanation:

it adds  if its goes to the right and subtracts if it goes to the left

And when it goes down then it will also decrease in number.

that is why b) y = f(x - 7) - 3 is the correct answer to put

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

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Step-by-step explanation:l

Given:

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a) ρ = λ/μ

\frac{7}{8} = 0.875

Probability that the system is idle =

1 - p

= 1 - 0.875

=0.125

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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
Draw a rectangle with an area of 42 square units
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Hope this helps!

6 0
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34kurt

Answer:

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Step-by-step explanation:

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3 years ago
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Hope I helped
6 0
3 years ago
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