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Illusion [34]
2 years ago
14

15.4 segment relationships in circles homework answers

SAT
1 answer:
MakcuM [25]2 years ago
7 0

The length of the segment is an illustration of intersecting chords

The value of x is x = 27/14

<h3>How to determine the length of the segment?</h3>

From the complete question (see attachment), we have:

AD = 12

AE = 3

BE = 14

EC = x

Start by calculating the length of ED

ED = AD - AE

This gives

ED =12 - 3

ED =9

The value of x is then calculated as:

x * BE = AE * ED

Substitute known values

x * 14 = 3 * 9

Evaluate the product

x * 14 = 27

Divide both sides by 14

x = 27/14

Hence, the value of x is x = 27/14

Read more about intersecting chords at:

brainly.com/question/13950364

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In order to estimate the mean number of pencils that campers at his camp carry in their backpacks, leonard randomly selects 50 o
Sveta_85 [38]

Answer:

Leonard's method is likely to give an accurate estimate of this mean since

his sample is randomly selected from campers at his camp.

.

Explanation:

I took the test and I passed.

I hope this helps! :D

6 0
2 years ago
According to the reaction represented above, about how many grams of aluminum (atomic mass 27 g) are necessary to produce 0. 50
liq [111]

Answer:

Taking into account the reaction stoichiometry, the correct answer is option B): 9 grams of aluminum are necessary to produce 0.50 mol of hydrogen gas at 25°C and 1.0 atm.

Explanation:

The balanced reaccion is:

6 HCl + 2 Al → 2 AlCl₃ + 3 H₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

HCl: 6 moles

Al: 2 moles

AlCl₃: 2 moles

H₂: 3 moles

The atomic mass of aluminum is 27 g/mole. Then, by reaction stoichiometry, the following mass quantity of aluminum participates in the reaction:

Then you can apply the following rule of three: if by reaction stoichiometry 3 moles of H₂ are formed from 54 grams of Al, 0.50 moles of H₂ are formed from how much mass of Al?

mass of Al= 9 grams

In summary, the correct answer is option B): 9 grams of aluminum are necessary to produce 0.50 mol of hydrogen gas at 25°C and 1.0 atm

5 0
2 years ago
Songs like "fortunate son" by creedence clearwater revival, "give peace a chance" by john lennon, and "i-feel-like-i'm-fixin'-to
Viefleur [7K]

Answer:

peace

Explanation:

this songs purpose was to preach peace and convince people about how the vietnam war was bad and the country should make peace

4 0
2 years ago
Explain how stress causes movement at faults (earthquakes).
sveticcg [70]
Faults are places in the Earth's crust where different tectonic plates meet and grind against each other.  The tectonic plates continuously move extremely slowly, but at faults, there is great stress caused by this movement.  This is due to the friction between the two tectonic plates, which are usually moving in opposite directions. When this stress is released and the tectonic plates "allow" each other to move a little past each other, the resulting movement is what we like to call and earthquake.
5 0
3 years ago
A survey found that​ women's heights are normally distributed with mean
zheka24 [161]

Answer:

a. 99.30% of the woman meet the height requirement

b.  If all women are eligible except the shortest​ 1% and the tallest​ 2%, then height should be between 58.32 and 68.83

Explanation:

<em>According to the survey</em>, women's heights are normally distributed with mean 63.9 and standard deviation 2.4

a)

A branch of the military requires​ women's heights to be between 58 in and 80 in. We need to find the probabilities that heights fall between 58 in and 80 in in this distribution. We need to find z-scores of the values 58 in and 80 in. Z-score shows how many standard deviations far are the values from the mean. Therefore they subtracted from the mean and divided by the standard deviation:

z-score of 58 in= z=\frac{58-63.9}{2.4} = -2.458

z-score of 80 in= z=\frac{80-63.9}{2.4} = 6.708

In normal distribution 99.3% of the values have higher z-score than -2.458

0% of the values have higher z-score than 6.708. Therefore 99.3% of the woman meet the height requirement.

b)

To find the height requirement so that all women are eligible except the shortest​ 1% and the tallest​ 2%, we need to find the boundary z-score of the

shortest​ 1% and the tallest​ 2%. Thus, upper bound for z-score has to be 2.054 and lower bound is -2.326

Corresponding heights (H) can be found using the formula

2.054=\frac{H-63.9}{2.4}  and

-2.326=\frac{H-63.9}{2.4}

Thus lower bound for height is 58.32 and

Upper bound for height is 68.83

8 0
4 years ago
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