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2 years ago

11

15 POINT QUESTION PLEASE HELP ME WITH ALL 3 ASAPP

2 answers:

arlik [135]2 years ago

8 0

Answer:

6! thank you.

Step-by-step explanation:

Alexxx [7]2 years ago

5 0

The answers are A, C, and B

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If A = { a, b, c, d} and B = {b,c,d,e} Then find AnB {b,c,d}<br>

vladimir1956 [14]

Answer:

AnB = ( b, c, d ) is the answer.

Hope this will help u

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3 years ago

The cost of a week long vacation in a city has a mean of 1000 and a variance of 1200. The city imposes a tax which will raise al

matrenka [14]

Answer:

The coefficient of variation after the tax is imposed is 0.033

Step-by-step explanation:

Given

$\mu =1000$ --- mean

$\sigma^2 = 1200$ --- variance

$tax = 10\%$

Required

The coefficient of variation

The coefficient of variation is calculated using:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

After the tax, the new mean is:

$\mu_{new} = \mu * (1 + tax)$

$\mu_{new} = 1000 * (1 + 10\%)$

$\mu_{new} = 1100$

And the new variance is:

$\sigma^2_{new} = \sigma^2 * (1 + tax)$

$\sigma^2_{new} = 1200 * (1 + 10\%)$

$\sigma^2_{new} = 1320$

So, we have:

$CV = \frac{\sqrt{\sigma^2}}{\mu}$

$CV = \frac{\sqrt{1320}}{1100}$

$CV = \frac{36.33}{1100}$

$CV = 0.033$

6 0

2 years ago

The sum of 5 and y is at least 18?

Mashcka [7]

Answer:

y=13

Step-by-step explanation:

5+13=18

7 0

2 years ago

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24 to 16 simplest form

faltersainse [42]

24:16 in simplest form, is.... 3:2 3 to 2

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2 years ago

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Willy the Wombat is 50 feet from a tree. The tree is 75 feet tall. At what angle of elevation should Willy look to see the top o

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56.3 degrees is the answer.

Explanation:

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2 years ago