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Nataly [62]
3 years ago
10

Look at the diagram below of rectangle ABCD.

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0

Answer:

Igrtgr

Step-by-step explanation:

Druidcvjhdvdkfdtg

choli [55]3 years ago
6 0

Step-by-step explanation:

The statements which are true are

ac \:  =  \sqrt{ {cd}^{2} +  {ad}^{2}  }  \\ and \\ ac \:  =  \sqrt{ {ab}^{2}  +  {bc}^{2} }

Hope it will help :)❤

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Salaries of 49 college graduates who took a statistics course in college have a​ mean, x overbar​, of $ 65 comma 300. Assuming a
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Answer: 60,540< \mu

Step-by-step explanation:

The confidence interval for population mean is given by :-

\overline{x}-z^*\dfrac{\sigma}{\sqrt{n}}< \mu

, where \sigma = Population standard deviation.

n= sample size

\overline{x} = Sample mean

z* = Critical z-value .

Given :  \sigma=\$17,000

n= 49

\overline{x}= \$65,300

Two-tailed critical value for 95% confidence interval = z^*=1.960

Then, the 95% confidence interval would be :-

65,300-(1.96)\dfrac{17000}{\sqrt{49}}< \mu

=65,300-(1.96)\dfrac{17000}{7}< \mu

=65,300-4760< \mu

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Hence, the 95​% confidence interval for estimating the population mean (\mu) :

60,540< \mu

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2 years ago
Is 3/8 greater that 1/2
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Answer:

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Step-by-step explanation:

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Answer:

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FREEE POINTSSSSSSSSSSS
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<span>The proportion of clay uses is 3/8 (Three Eighths). That is 3 lbs. of clay to every 8 vases. This is determined by the first given proportion 3 lbs./8 vases and confirmed by the second. To prove that is the case you divide the second ration by the first numerator: 9 divided by 3 = 3 and 24 divided by 3 = 8. So the proportion for 9/24 is still 3/8. This can also be used to increase the number of vases made. For example if 40 vases need to be made: we divide 40 by the numerator 8 = 5. So we need 5 portions of 3 to make 40 vases. 5 times 3 = 15. So the 15 lbs. of clay is needed for 40 vases.</span>
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