Let a =⟨–7, 3⟩ and b =⟨–2, –12⟩, and c = a + b. What is the magnitude and direction angle of c?.

Answers

Answer 1

Answer:

lcl = 9 radical 2; theta = 225 degrees

Explanation:

The answer is D!


Related Questions

Which of the following monomers is correctly matched with its polymer.

Answers

The monomer which is correctly matched with its polymer is; Choice C; Monosaccharides - Polysaccharides

The options in the complete question are;

a. amino acids - lipids

b. glycerol and fatty acids - nucleic acids

c. monosaccharides - polysaccharides

d. nucleotides - protiens

Monomers and Polymers

Monomers are usually the simplest unit building blocks of their polymers which are usually gigantic multiples of the given monomers.

Hence, it follows that;

The monomers of common polymers are:

a. amino acids - proteinsb. glycerol and fatty acids - lipidsc. monosaccharides - polysaccharidesd. nucleotides - nucleic acids

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What are the distinct features of digital society which make it significantly.

Answers

Answer:

Lawyer

Explanation:

Which claim below best describes the effects of the invention of the telephone?.

Answers

The claim that best describes the effects of the invention of the telephone is: Its facilitation of communication contributed to business growth.

What is the Effect of the Invention of Telephone?

Antonio M. was credited as the first to innovator of a basic phone in 1849, while Alexander G. B won the first patent for a telephone in 1876.

Thus, the invention of the telephone has brought several positive effects such as allowing business owners to communicate and transact business easily.

Therefore, the claim that best describes the effects of the invention of the telephone is: Its facilitation of communication contributed to business growth.

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Suppose that the mean daily viewing time of television is 8. 35 hours. Use a normal probability distribution with a standard deviation of 2. 5 hours to answer the following questions about daily television viewing per household.

Answers

The probability that a household views television between 5 and 10 hours a day is :  0.6553

Given data :

mean daily viewing time ( μ ) = 8.35 hours

standard deviation ( σ ) = 2.5 hours

Determine the probability of a household view btw 5 and 10 hours a day

P ( 5 ≤ x ≤ 10 )

= P ((5 - 8.35 )/2.5 < z < ( 10 - 8.35 )/2.5)

= P ( -1.34 < z < 0.66 )

Therefore the probability  P ( 5 ≤ x ≤ 10 )  becomes

P( z < 0.66 ) - P ( z < -1.34 )

= 0.7454 - 0.0901   ( applying normal tables )

= 0.6553

Hence we can conclude that The probability that a household views television between 5 and 10 hours a day is :  0.6553

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Attached below is the missing part of your question

What is the probability that a household views television between 5 and 10 hours a day

Lactose, maltose, and sucrose are examples of this type of carbohydrate.

Answers

Answer:

disaccharides?

Explanation:

I'm not 100% sure if that's what it is asking for

Worldwide​ wholesalers, inc. Has decided that instead of having its employees manage its raw materials​ inventory, it will pay its suppliers to store and deliver the products as needed. What action has worldwide​ taken?.

Answers

The action that has to be taken by worldwide to pay his suppliers to store and deliver the products as needed is Outsourcing.

What is Outsourcing?

Outsourcing  can be regarded as a business practice of contracting outside the organization for benefits as well as  making of products.

Outsourcing serves as a cheap way to get labor and other services needed in an organization.

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name one of your favorite rappers

Answers

Answer:

NLE Choppa or Rod Wave

Explanation:

Answer:

Doja Cat

Explanation:

I would say SZA but she's more of a singer.

All of the following were goals of this group listed below: independence boycotting british goods placing native citizens in government positions.

Answers

It should be noted that the goals of Indian National Congress is independence boycotting British goods placing native citizens in government positions.

What is Indian National Congress?

Indian National Congress can be described as simply Congress which is political party in India with widespread roots.

It was established in 1885, which was nationalist movement to emerge in the British Empire.

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Answer:

The Indian National Congress

Explanation:

took the test

In the following chemical reaction, what product is represented by x? alcl3 + naoh → x + nacl.

Answers

Answer:

Al(OH)3

Explanation:

Since this is a double displacement reaction,Na, takes Al's place and Al now attaches to OH-

A lead ball has a mass of 55. 0 grams and a density of 11. 4 g/cm3. What is the volume of the ball?.

Answers

Answer:

4.82 cm^3

Explanation:

m = 55.0 grams

d = 11.4 g/cm^3

volume V = m/d = 55.0/11.4 = 4.82 cm^3

Which statement best explains the fact that gases can be compressed.

Answers

Answer:

because gases are thick and can be compressed.

Two years ago your orange orchard contained 70 trees, and the yield per tree was 70 bags of oranges. Last year you removed 10 of the trees and noticed that the yield per tree increased to 75 bags. Assuming that the yield per tree depends linearly on the number of trees in the orchard, what should you do this year to maximize your total yield?.

Answers

The number of trees that maximizes the yield is 105, so he should plant another 45 trees.

How to maximize the yield?

We know that the yield depends linearly on the number of trees. Remember that a linear relation is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

And we know that if a line passes through two points (x₁, y₁) and (x₂, y₂), then the slope can be written as:

[tex]a = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Here we have the two points:

(70 trees, 70 bags)

(60 trees, 75 bags)

Then the slope is:

[tex]a = \frac{7 bags - 75 bags}{70 trees - 60 trees} = -0.5 bags/tree[/tex]

Then the linear equation is, ignoring the units, something like:

y = -0.5*x + b

To find the value of b we can use one of the known points, for example, the first one.

(70, 70)

70 = -0.5*70 + b

70 = -35 + b

70 + 35 = b = 105

Then the linear equation is:

y = -0.5*x + 105

This gives the yield per tree, and the total yield for the x trees will be x times the above quantity, so we define the total yield as:

T = -0.5x^2 + 105*x

Notice that this is a quadratic equation with a negative leading coefficient, meaning that the maximum is at the vertex.

And for a general quadratic function a*x^2 + b*x + c the vertex is at:

x = -b/2a

So in our case, the vertex is at:

x = -105/(2*(-0.5)) = 105

So to maximize the total yield, he should plant 45 more trees, to get a total of 105 trees.

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Listen to the audio and then answer the following question. Feel free to listen to the audio as many times as necessary before answering the question. Who caused the accident? el policía una celebridad el doctor un joven.

Answers

Answer:

B. una celebridad is the answer

Answer:

B. una celebridad

Explanation:

According to theory, which phrase best describes the universe before the big bang?.

Answers

Answer:

how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!

Explanation:

how astronomers explain the way the universe began

THISS ONE ==

This organ provides more than one function to the plant. Which of the following is a function of this organ illustrated in the picture?.

Answers

The organ function of plant often differs. Since the image is not attached, a general definition is given.

What is Plant Organ and Systems?

Vascular plants are known to have two types of organ systems. They are;

A shoot system.A root system.

The shoot system is made up of stems, leaves, and also the reproductive parts of the plant.

The shoot system is made up of the parts that grows above ground, where it tends to take in light that is needed by the plant for photosynthesis.

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What is the underlying theme of the poem three words of strength brainly.

Answers

The theme is all about  words of encouragement that is used to heal our divided and conflicted world.

What is the Three Words of Strength” about?

The poem Three Words of Strength” is known to be written by Friedrich von Schiller. The words of strength are Defense, Physical Fitness and been Brave.

The words of encouragement is said to be another word for emotional support.

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In the retail industry, abc tries to add value to their products and services so they can attract customers who are willing to pay a higher price. Abc can be described as utilizing which of the following strategy?.

Answers

Abc can be described as utilizing a differentiation strategy.

What is a strategy?

A strategy can be defined as a process that involves planning and implementing actions in a business firm that will help to achieve success in competition.

The types of strategy.

In Business management, there are different types of strategy and these include:

Global strategyRegional strategyCost-leadership strategyDifferentiation strategy

A differentiation strategy can be defined as a strategic approach through which a business firm provides its customers with products and services that are unique, distinct and different from those offered by its competitor (rivals) in the same industry or market.

In conclusion, an example of a differentiation strategy is the addition of value to products and services, so as to attract customers who are willing to pay a higher price.

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What was the purpose of the chamber shown in the photograph? gassing prisoners providing heat for the camps lighting the camps at night cremating prisoners.

Answers

Answer:A gassing prisoners

Explanation:

trust me

Answer:

Cremating: D

Explanation:

​% of consumers believe that cash will be obsolete in the next 20 years. Assume that consumers are randomly selected. Find the probability that fewer than of the selected consumers believe that cash will be obsolete in the next 20 years.

Answers

Using the binomial distribution, it is found that there is a 0.4113 = 41.13% probability that fewer than 3 of the selected consumers believe that cash will be obsolete in the next 20 years.

For each consumer, there are only two possible outcomes, either they believe cash will be obsolete in the next 20 years, or they do not believe it. The belief of each customer is independent of any other customers, hence the binomial distribution is used to solve this question.

What is the binomial distribution formula?

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.

Researching the problem on the internet, we have that:

40.4% of consumers believe that cash will be obsolete in the next 20 years, hence p = 0.404.7 customers are surveyed, hence n = 7.

The probability that fewer than 3 of the selected consumers believe that cash will be obsolete in the next 20 years is given by:

[tex]P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)[/tex]

In which:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 0) = C_{7,0}.(0.404)^{0}.(0.596)^{7} = 0.0267[/tex]

[tex]P(X = 1) = C_{7,1}.(0.404)^{1}.(0.596)^{6} = 0.1268[/tex]

[tex]P(X = 2) = C_{7,2}.(0.404)^{2}.(0.596)^{5} = 0.2578[/tex]

Then:

[tex]P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0267 + 0.1268 + 0.2578 = 0.4113[/tex]

There is a 0.4113 = 41.13% probability that fewer than 3 of the selected consumers believe that cash will be obsolete in the next 20 years.

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A possible disadvantage to watching this scene, as opposed to reading it silently, is that viewers are unable to infer the characters’ emotions for themselves. Unable to interpret the stage directions for themselves. Forced to imagine the appearance of the characters. Forced to visualize the props used within the scene.

Answers

Answer:

to imagine the appearance of the characters

Explanation

just did it

Barbara sells iced tea for $1. 49 per bottle and water for $1. 25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100. 1. 25x + 1. 49 = 100 what error did barbara make in writing the equation? barbara’s equation did not consider the number of bottles of water. Barbara’s equation did not consider the number of bottles of iced tea. Barbara’s equation did not use the correct price for the bottles of iced tea. Barbara's equation did not use the correct total for sales.

Answers

Answer:

Barbara’s equation did not consider the number of bottles of iced tea.

Explanation:

She made this error because she included 1.25 with the x variable but did not include the x variable next to 1.49.

The x variable is important because it can keep track of how many bottles were sold of each water and tea.

So, this means Barbara’s equation did not consider the number of bottles of iced tea.

The real equations should be 1.25x + 1.49x = 100

Hope this Helps!

What is the atomic number of an oxygen atom with 8 protons and 10 neutrons in its nucleus?.

Answers

Answer:

18 is the atomic number of an oxygen atom

There is a history of global temperatures changing, but why is this change different?(1 point).

Answers

This change is different because, the shift in temperature is happening more quickly.

What is Temperature?

This is defined as the degree of hotness or coldness of an area. Global temperatures changes is different because of the rapid changes which have effects such as:

High water temperatures causing coral polyps bleaching.Increase in water acidic content and lowering the pHDeath of organisms thereby reducing biodiversity.

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An item that normally sells for $230 is marked down by 30%. What is the sale price?.

Answers

Answer:

$161 dollars

Explanation:

Given the following question:

30% of 230

In order to find the answer, we calculate the percent by multiplying the two by each other, and then dividing by 100.

[tex]\frac{30\times230}{100} =30\times230=6900\div100=69[/tex]
[tex]=69[/tex]

Now that we know the percentage of the item, we now subtract that answer by the initial amount the item would have sold for.

[tex]230-69=161[/tex]

The sale price is "$161 dollars."

Hope this helps.

Identify the oxidizing and reducing agents in the skeletal (unbalanced) reaction. Then, balance the reaction, including the phase (solid, liquid, etc. ) of each species. The reaction takes place in basic aqueous solution. Mno−4(aq)+s2−(aq)⟶s(s)+mno2(s).

Answers

The oxidizing and reducing agents I'm the reaction are MnO⁴- and S²- respectively

Balancing Redox reactions

Redox reactions can be identified as reduction or oxidation by means of the change in oxidation number.

On this note, the oxidizing agent is the reactant which is reduced in the reaction and hence is, MnO⁴-.

The reducing agent is the reactant which is oxidized in the reaction and hence is, S²-.

The balance reaction is therefore;

Mno−4(aq)+s2−(aq)⟶s(s)+mno2(s) + 6e-

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All of the following are major functions of proteins except.

Answers

Answer: Storing genetic information

Explanation:

Water does not appear in the equilibrium expression because it is a pure liquid. However, the addition of water to the equilibria in this lab can impact the equilibrium. Why does this happen?.

Answers

Answer:

The correct answer is: The addition of water will change the concentration of the substances in equilibrium.

What is the solution to the equation mc001-1. Jpg? x = 1 x = 6 x = 12 x = 24.

Answers

The solution to the equation is : ( B ) x = 6

Determine the solution of the equation

Given that the equation is

[tex]\sqrt{5x-7}= \sqrt{3x+5}[/tex]

step 1:  square both sides

5x - 7 = 3x + 5

5x = 3x + 5 + 7

    = 3x + 12

step 2 : collate like terms

Therefore :

5x - 3x = 12

2x = 12

x = 12/ 2 = 6

Hence we can conclude that the solution to the equation is x = 6

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Attached below is the complete question

How would ""the lottery"" be different if told from mr. Summers’ point of view? the reader would learn more about the main conflict in the story. The reader would know more about when and where the story takes place. The reader would learn more about how mr. Summers feels about the lottery. The reader would know more about the other characters’ thoughts and feelings.

Answers

Answer:

C. the reader would learn more about how Mr. Summers feels about the lottery.

Explanation:

The term ""the lottery"" be different if the reader would learn more about how Mr. Summers feels about the lottery.

What does Mr Summers stands for in the lottery?

Summers is known to stand for life, alterations of seasons but Mr. Summers is said to be the opposite as he is known to often takes life away.

Conclusively, The term ""the lottery"" be different if the reader would learn more about how Mr. Summers feels about the lottery and thus they will be able to know why he carry out what he do.

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#SPJ5

Traits are controlled by dna through the order of its.

Answers

Answer:

Gene

Explanation:

 A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.

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