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lord [1]
3 years ago
12

Find the mean 2,3,4,2,1,6,7

SAT
2 answers:
Rashid [163]3 years ago
8 0

Answer:

25/7 or 3.6

Explanation:

To find the mean, just add up all the given values and divide the sum by the total number of values given.

2 + 3 + 4 + 2 + 1 + 6 + 7 = 25

25 / 7 = 3.6

Therefore, the mean of the given values is 25/7 or 3.6

damaskus [11]3 years ago
3 0

Answer:

3.571 or 3.6 (if the answer is to be rounded to the nearest tenth)

Explanation:

2+3+4+2+1+6+7=25

25/7=3.57142857143

The mean is the average of group of numbers. add all the numbers and divide by how many numbers you have.

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A salt shaker is filled with 25 g sodium chloride. How many mole(s) of nacl does it contain?
AleksAgata [21]

Considering the definition of molar mass, a salt shaker contains 0.43 moles of sodium chloride.

<h3>Definition of molar mass</h3>

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.

<h3>Molar mass of NaCl</h3>

In this case, you know the molar mass of the elements is:

<h3>Na= 23 g/mole</h3><h3>Cl= 35.45 g/mole</h3>

So, the molar mass of the compound NaCl is calculated as:

NaCl= 23 g/mole + 35.45 g/mole

Solving:

NaCl= 58.45 g/mole

<h3 /><h3>Amount of moles of 25 grams of NaCl</h3>

Next, you can apply the following rule of three: If by definition of molar mass 58.45 grams of the compound are contained in 1 mole, 25 grams of the compound are contained in how many moles?

amount of moles=\frac{25 gramsx1 mole}{58.45 grams}

<u><em>amount of moles= 0.43 moles</em></u>

Finally, a salt shaker contains 0.43 moles of sodium chloride.

Learn more about molar mass:

<u>brainly.com/question/5216907</u>

<u>brainly.com/question/11209783</u>

<u>brainly.com/question/7132033</u>

<u>brainly.com/question/17249726</u>

3 0
2 years ago
U.S Government posters during World War II often displayed:
andrew-mc [135]

Answer:

All of these choices are correct. US Government posters during World War II often displayed slanted language, ethnic biases and nationalistic biases.

Explanation:

The posters placed by the federal government on public roads, transportation and other places of high circulation of people during World War II had as their main and fundamental objective the creation of a united and strong domestic front, where all citizens collaborated with the effort of the thousands and thousands of Americans on the battlefront through the production of food, medicine, supplies, and weapons, and the rationing of their own consumption in order to allocate most of the resources to these soldiers. In addition, these posters attempted to encourage many young Americans to join the ranks of the military, by spreading nationalist (such as Uncle Sam and his "I Want You" message) and ethnicists slogans (such as posters depicting Japanese and Germans as sadistic and evil beings).

All this propaganda was effective in its initial purposes, since it generated a feeling of union and collaboration that allowed a greater allocation of resources for the armed forces that were fighting in Europe and the Pacific.

7 0
3 years ago
I need help with this question thx<br> No links
r-ruslan [8.4K]
Do not click in the link , the guy is a scammer and trying to fool us. Report any accounts you see saying that and putting that link above. HELP OTHERS. DON’T forget to keep reporting!
6 0
3 years ago
Choose the best answer. Which is the first thing you'd do in the morning? despertarse prepararse arreglarse sentarse.
Andrews [41]

Despertase is the first thing you'd do in the morning.

<h3>What is Despertase?</h3>

This is a Spanish word which means to wake up. An individual who fails to wake up in the morning to perform the necessary activities for the day can be said to be dead.

Waking up is therefore the first thing which is usually done in the morning and is the most appropriate choice.

Read more about Despertase here brainly.com/question/8932459

5 0
2 years ago
3. The House of Representatives shall be composed of
kramer

Answer:

C

Explanation:

4 0
3 years ago
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