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In-s [12.5K]
3 years ago
13

The figure shows a map of five streets that meet at Concord Circle. The measure of the angle formed by Melville Road and Emerson

Avenue is 119°. The measure of the angle formed by Emerson Avenue and Thoreau Street is 135°. Hawthorne Lane bisects the angle formed by Melville Road and Emerson Avenue. Dickinson Drive bisects the angle formed by Emerson Avenue and Thoreau Street. What is the measure of the angle formed by Hawthorne Lane and Dickinson Drive?     The measure of the angle formed by Hawthorne Lane and Dickinson Drive is °.
Mathematics
2 answers:
DiKsa [7]3 years ago
4 0
Do you have a picture?
Vikentia [17]3 years ago
3 0

126 degreees since H ad d r the bisectors you cut them in half and you would get the bisectors then just add them tegtehr



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Korvikt [17]

Answer:

Last answer.

Step-by-step explanation:

What I do is divide the terms by the previous terms, and if they all equal 1.5, that is your answer.

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Step-by-step explanation:

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Assume that a computer was used to generate the given confidence interval for the population mean. Find the sample mean or margi
stealth61 [152]

Answer:

The sample mean is

b.3.55

The margin of error is

0.32

Step-by-step explanation:

Deep explanation about a confidence interval

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.645*215 = 353.675

The lower end of the interval is the mean subtracted by M. So it is 6.4 - 0.3944 = 6.01 hours.

The upper end of the interval is the mean added to M. So it is 6.4 + 0.3944 = 6.74 hours.

In this problem:

The deep explanation is not that important.

We just have to recognize that the interval has a lower end and an upper end. The distance from both the upper and the lower end to the mean is M. This means that the sample mean is the halfway point between the lower end and the upper end.

The margin of error is the distance of these two points(lower and upper end) to the mean.

In our interval

Lower end: 3.23

Upper end: 3.87

Sample mean

M = \frac{3.23 + 3.87}{2} = 3.55

So the correct answer is:

b.3.55

The margin of error is

3.87 - 3.55 = 3.55 - 3.23 = 0.32

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3 years ago
Ill mark brainilist or whatever, just answer please fast. Need this done asap
Archy [21]

Answer:

true

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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