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yawa3891 [41]
3 years ago
12

What do the N and S on the diagram represent?

SAT
1 answer:
Furkat [3]3 years ago
7 0

A Venn diagram may also be called a primary diagram, set diagram or logic diagram. It is a diagram that shows all possible logical relations between a finite collection of different sets. ... In Venn diagrams, the curves are overlapped in every possible way.

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The author’s main purpose is to convince readers to.
lara31 [8.8K]
Can you show us the choices to the question
6 0
2 years ago
A data analyst is working with a data frame named customers. It has separate columns for area code (area_code) and phone number
VARVARA [1.3K]

The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"

<h3>What is a data frame?</h3>

A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.

In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.

<h3>The executable code in R Studio.</h3>

In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:

  • unite(customers, "phone_number", area_code, phone_num, sep="-"

Read more on data frame here: brainly.com/question/25558534

8 0
2 years ago
If 50. 0 g of ch₃oh (mm = 32. 04 g/mol) are added to a 500. 0 ml volumetric flask, and water is added to fill the flask, what is
Elza [17]

Taking into account the definition of molarity, the concentration of CH₃OH in the solution is 3.12 \frac{moles}{liters}.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

Molarity=\frac{number of moles}{volume}

Molarity is expressed in units \frac{moles}{liters}.

<h3>Concentration of CH₃OH</h3>

In this case, you know:

  • number of moles= 50 g× \frac{1 mole}{32.04 g}= 1.56 moles, being 32.04 \frac{g}{mole} the molar mass of CH₃OH
  • volume= 500 mL= 0.5 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

Molarity=\frac{1.56 moles}{0.500 L}

Solving:

<u><em>Molarity= 3.12 </em></u>\frac{moles}{liters}

Finally, the concentration of CH₃OH in the solution is 3.12 \frac{moles}{liters}.

Learn more about molarity:

<u>brainly.com/question/9324116</u>

<u>brainly.com/question/10608366</u>

<u>brainly.com/question/7429224</u>

8 0
2 years ago
The total number of pennies on row 1 is: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 =.
Elena-2011 [213]

Answer:

255

Explanation:

trust but only for 1+2+4…

3 0
2 years ago
What are the terms in the exponential expression 5e^3x+1+2
natima [27]

Answer:

5e ³ x+1+2(solution) terms are 5e5e ³ x,1,1, 2.

Explanation:

A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted. Some terms contain variables with a number in front of them. The number in front of a term is called a coefficient. Does it make more sense?

5 0
2 years ago
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