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2 years ago

Which example is the best application of geometry in the field of architecture?

Mathematics

1 answer:

Alla [95]2 years ago

6 0

The example that is the best application of geometry in the field of architecture is Eiffel Tower.

<h3>What is geometry?</h3>

Geometry is the branch of mathematics that deals with the measurement and relationship of lines, angles, surfaces, solids and points.

Architecture is defined as the art of designing and constructing a building.

In the field of architecture, geometry is being used in various ways.

The example that is the best application of geometry in the field of architecture is Eiffel Tower.

The Eiffel Tower is located in Paris, France. It is a building that is designed with hundreds of triangles and parallelograms therefore it's an ideal example of geometry in architecture.

Learn more about geometry here:

brainly.com/question/19241268

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Find the circumference given the area = 437.4 in². Use 3.14 for π as necessary.

Stells [14]

the circumference would be around74.1197 but you can round it down depending on the decimal place needed. The math 437.4/3.14= 139.2993630573248 then find the quare root of it =11.80251511574227=r r x 3.14 =37.0598974634374 x 2 = c

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4 years ago

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Use the grid to answer questions 3-5 <br> pls help

cupoosta [38]

Answer:

3. (6 : -8)

4. (2 : -6)

5. (7 : -6)

Step-by-step explanation:

8 0

3 years ago

5. Decide if each of the following statements is true or false. Explain your reasoning in each case.

sertanlavr [38]

Answer:

a. The smaller the sample size, the smaller the margin of error.

False if we see the value for the sample size is on the denominator and if we decrease the value of n then increase the value for the margin of error since the margin of error and the sample size are inversely proportional, with the estimated proportion and the confidence level fixed values.

b. If the margin of error is 0.05 and the observed proportion of red chips is 0.45, then the true population proportion is likely to be between 0.40 and 0.50.

Correct. The confidence interval for the population proportion is given by:

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

Or equivalently:

$\hat p \pm ME$

And if we replace on this case we got:

$0.45-0.05=0.40$

$0.45 +0.05=0.50$

So then the true proportion is between 0.4 and 0.5 for this case.

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

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".

Solution to the problem

The population proportion have the following distribution

$p \sim N(p,\sqrt{\frac{p(1-p)}{n}})$

The margin of error for the proportion interval is given by this formula:

$ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$ (a)

Now if we analyze the statements one by one we have this:

a. The smaller the sample size, the smaller the margin of error.

b. If the margin of error is 0.05 and the observed proportion of red chips is 0.45, then the true population proportion is likely to be between 0.40 and 0.50.

Correct. The confidence interval for the population proportion is given by:

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

Or equivalently:

$\hat p \pm ME$

And if we replace on this case we got:

$0.45-0.05=0.40$

$0.45 +0.05=0.50$

So then the true proportion is between 0.4 and 0.5 for this case.

4 0

4 years ago

What is the inequality of the graph?

igomit [66]

I believe it is 4 if not 4/1

8 0

4 years ago

For a beverage, Lisa mixes cups of lemonade to cups of ice tea in a ratio of 2:5. Which of the following best describes the amou

Lady_Fox [76]

Answer:

lemonade is 4:10 to ice or .4:1

Step-by-step explanation:

Assuming lemonade is 2 and tea is 5, you can use a table or multiply both reciprocals by 2 so 2x2 and 2x5 = 4:10. then if you want to see how much is in just once cup of tea divide by ten to each for the product of .4:1

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3 years ago