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2 years ago

10

An electronics store has two options for liquidating televisions that have not sold.

2 answers:

Oksanka [162]2 years ago

7 0

Answser: first option <span>350(0.95)^x + 30x - 350

Explanation:

You can figure out the </span><span>function that shows the difference in price between option 1 and option 2 if you make a table simulating the behavior for a few months:

month                 price as per option 1          price as per option 2

start               350                                     350

1                          350 - 5% (350) =                350 - 30
                            = 350 (0,95)

2                          350 (0,95)×(0,95) =
                            350 (0,95)²                         350 - 30(2)

3                           350 (0,95)³                        350 - 30(3)

So now you can figure out the price with each option after x months:

                             350 (0.95)ˣ                        350 - 30x

And the difference is 350 (0.95)ˣ - [350 - 30x]

Which, expanding the square brackets, is 350 (0.95)ˣ + 30x - 350 ↔ the first option.
</span>

DIA [1.3K]2 years ago

3 0

Answer:

Step-by-step explanation:

Answser: first option 350(0.95)^x + 30x - 350

Explanation:

You can figure out the function that shows the difference in price between option 1 and option 2 if you make a table simulating the behavior for a few months:

month price as per option 1 price as per option 2

start 350 350

1 � 350 - 5% (350) = 350 - 30

= 350 (0,95)

2 350 (0,95)×(0,95) =

350 (0,95)² 350 - 30(2)

3 350 (0,95)³ 350 - 30(3)

So now you can figure out the price with each option after x months:

350 (0.95)ˣ 350 - 30x

And the difference is 350 (0.95)ˣ - [350 - 30x]

Which, expanding the square brackets, is 350 (0.95)ˣ + 30x - 350 ↔ the first option.

Read more on Brainly.com - brainly.com/question/9445214#readmore

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The taxi and takeoff time for commercial jets is a random variable x with a mean of 8.4 minutes and a standard deviation of 3.5

Lorico [155]

Answer:

0.6672 is the required probability.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 8.4 minutes

Standard Deviation, σ = 3.5 minutes

We are given that the distribution of distribution of taxi and takeoff times is a bell shaped distribution that is a normal distribution.

According to central limit theorem the sum measurement of n is normal with mean $\mu$ and standard deviation $\sigma\sqrt{n}$

Sample size, n = 37

Standard Deviation =

$=\sigma\times \sqrt{n} = 3.5\times \sqrt{37}=21.28$

P(taxi and takeoff time will be less than 320 minutes)

$P( \sum x < 320) = P( z < \displaystyle\frac{320 - 37(8.4)}{21.28}) = P(z < 0.4323)$

Calculation the value from standard normal z table, we have,

$P(\sum x < 320) =0.6672 = 66.72\%$

0.6672 is the probability that for 37 jets on a given runway, total taxi and takeoff time will be less than 320 minutes.

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3 years ago

WILL GIVE BRAINLIEST IF CORRECT NOT TOO HARD JUST IN A RUSH!!!!!

STALIN [3.7K]

Answer:

22.5

Step-by-step explanation:

If you divide y/x each ticket costs $2.5, so multiply 2.5x9 and that's your answer. :)

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3 years ago

X +3/ 5 = 2 <br> i need help

DochEvi [55]

This equation basically says that a number plus 3/5 equals 2 so we can simply:

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2 years ago

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netineya [11]

Answer:

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Step-by-step explanation:

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3 years ago

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marysya [2.9K]

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3 years ago

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