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2 years ago

12

A triangle has one side that is 5 units long and an adjacent angle

2 answers:

Alexxx [7]2 years ago

5 0

Answer:

<u>you can get help with this link given</u>

<u>you can get help with this link givenhttps://www.sbps.net/cms/lib/NE01912194/Centricity/Domain/603/Unit%2007%20Practice%20Problems.docx</u>

Step-by-step explanation:

<h3><u>hope it's helpful to </u><u>you</u></h3>

<h3><u>Mark as brain list</u></h3>

Xelga [282]2 years ago

4 0

Answer:

Speech Mechanisms the conventional term for the system of psycho-physiological prerequisites that enable a human being to make meaningful utterances and to understand another's speech.Globalization has changed the role of the state in many ways: politically through interdependence and independence of states, socially through the problems and threats of terrorism and deadly diseases, technologically through the media and internet and economically through the change from national to global economies.

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A researcher wants to estimate the percentage of all adults that have used the Internet to seek pre-purchase information in the

Lubov Fominskaja [6]

Answer:

The required sample size for the new study is 801.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

The margin of error is:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

25% of all adults had used the Internet for such a purpose

This means that $\pi = 0.25$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

What is the required sample size for the new study?

This is n for which M = 0.03. So

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

$0.03 = 1.96\sqrt{\frac{0.25*0.75)}{n}}$

$0.03\sqrt{n} = 1.96\sqrt{0.25*0.75}$

$\sqrt{n} = \frac{1.96\sqrt{0.25*0.75}}{0.03}$

$(\sqrt{n})^2 = (\frac{1.96\sqrt{0.25*0.75}}{0.03})^2$

$n = 800.3$

Rounding up:

The required sample size for the new study is 801.

4 0

3 years ago

gavin bought 2 1/2 cubic yards of topsoil for $75 what is the unit rate in cost per cubic yard for the topsoil

Kruka [31]

Answer:

$30

Step-by-step explanation:

Divide the cost ($75) by the yards (2 1/2) to get $30 per yard.

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3 years ago

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This is an off topic question but i feel the need to let other peoples brains keep running so these are the questions i will giv

serg [7]

<span>−4.6−(0.4+7.2)
</span><span>−20+(−40)+(−60)

4 and 5 is properties of addition

-80 is your answer

hope this helps</span>

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3 years ago

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What is 516 expressed as a percent?

WINSTONCH [101]

It is 51,600%. Hope it helps

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3 years ago

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En el aula de terecer grado el profesor realiza 8 grupos de 3 alumnos en cada grupo . si sobran 2 alumnos . cual en el numero de

ExtremeBDS [4]

8x3=24+2=26. es 26 porque el professor iso 3 grupos te 8 y sobran 2 sumas 2

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3 years ago

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