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Leona [35]
3 years ago
8

Find the length of the third side of a right triangle with a hypotenuse of 19 and a leg of 4.

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0
Use the pythagoras theorem:-

length  = sqrt (19^2 - 4^2)  = sqr (19-4)(19+4)  = sqrt ( 345)  = 18.6
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Two rational numbers between 2/3 and 5/3​
Ede4ka [16]

Answer:

1.333333333333 or 4/3

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3 years ago
A dart is tossed and hits the dart board shown. The dart is equally likely to land on any
stiks02 [169]
It would be 4.9%, hope this helps :)
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3 years ago
Find the value <br>f(x)=6x<br>f(2)=[?]
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5 0
3 years ago
A company receives shipments of a component used in the manufacture of a component for a high-end acoustic speaker system. When
Tanya [424]

Answer:

ME= 2.33*\sqrt{\frac{0.096*(1-0.096)}{250}}= 0.0434

Step-by-step explanation:

For this case we have a sample size of n = 250 units and in this sample they found that 24 units failed one or more of the tests.

We are interested in the proportion of units that fail to meet the company's specifications, and we can estimate this with:

\hat p = \frac{24}{250}= 0.096

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The confidence interval for a proportion is given by this formula  

\hat p \pm z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}  

For the 98% confidence interval the value of \alpha=1-0.98=0.02 and \alpha/2=0.01, with that value we can find the quantile required for the interval in the normal standard distribution.  

z_{\alpha/2}=2.33  

And the margin of error would be:

ME= 2.33*\sqrt{\frac{0.096*(1-0.096)}{250}}= 0.0434

4 0
3 years ago
Please help ! i'll give brainliest to the first person who gets it right ! :,&gt;
telo118 [61]

Answer:

±16

Step-by-step explanation:

the square root of 256 is positive or negative 16! (if it only lets you put one answer, put positive 16).

4 0
2 years ago
Read 2 more answers
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