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Android Studio e Java – Curso Para Iniciantes


Android Studio e Java – Curso Para Iniciantes – Download Udemy Courses For Free | freetutorials.us























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What you’ll learn

  • Instalar e Configurar o Android Studio e o Java JDK
  • Criar , Abrir e Renomear Projetos no Android Studio

  • Configurar Máquinas Virtuais que Simulam Dispositivos com Android

  • Programação Básica de Java e Operações Matemáticas
  • Corrigir Erros usando a Interface do Android Studio
  • Utilizar Condicionais Simples ou Múltiplas
  • Utilizar e Posicionar Componentes ao Android (TextView, ImageView, Buttons e EditTexts)
  • Programar Funções Void, Integer e String
  • Programar Funções com Parâmetros
  • Alertar Mensagens usando Toast
  • Receber Dados do Usuário com EditTexts
  • Criar uma Calculadora Completa
  • Criar Animações em Imagens
  • Utilizar Fontes Próprias nas TextViews
  • Instalar e Configurar um Emulador Mais Rápido (GenyMotion)

Expand all 65 lectures 06:24:16

Requirements

  • Não exige conhecimentos prévios, é um curso para iniciantes

Description

Está precisando de um aplicativo para sua ideia de um milhão de dólares?

Sabemos que programação pode parecer algo difícil e complicado, mas com essas aulas você vai aprender rapidinho, de uma forma engraçadarápida e divertida.

Esse curso é sobre Desenvolvimento de Aplicativos Nativos para Android utilizando o Android Studio. Ao se cadastrar você receberá uma apostila com mais de 100 páginas de conteúdo sobre o curso.

*Caso queira testar o curso, as 10 primeiras aulas estão disponíveis gratuitamente*

O curso é dividido em seções de acordo com os temas, ao final de cada seção há um Quizz para reforçar seus conhecimentos.

O mercado de trabalho está sendo afetado pela crise, a previsão é que no Brasil em 2022 existam mais de 400 mil vagas de TI abertas, saber programar para dispositivos móveis pode ser um grande diferencial ao buscar uma vaga de emprego ou criar sua própria Startup!

Conteúdo

  • Instalando e configurando o Android Studio no Windows e no MAC
  • Como fazer operações aritméticas, e imprimí-las na tela.
  • Como fazer comentários nos códigos.
  • Como resolver os erros e bugs no código.
  • Condicionais para comparar valores.
  • Criando novas telas.
  • Trabalhando com Strings.
  • Adicionando funções aos botões.
  • Mudando o ícone do aplicativo.
  • Como fazer o debug USB das suas aplicações.
  • Alertando mensagens na tela.
  • Criando Funções com Parâmetros e Condicionais.

*Bônus

  • Como instalar um emulador mais rápido.
  • Como criar animações nas imagens.
  • Como usar fontes próprias.

Quais são as exigências?

  • Não é necessário conhecimentos prévios de programação, você aprenderá do zero.
  • Um PC ou MAC com conexão com Internet.
  • Nenhum software pago é necessário.Qual é o público alvo?

Para quem é esse curso?

  • Qualquer pessoa que queira aprender de forma prática, rápida e divertida.
  • Pessoas que queiram criar seus próprios apps.

Who this course is for:

  • Pessoas que desejam aprender Android de uma forma engraçada.
  • Iniciantes com programação Mobile de Android

Size: 1.31GB

 

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Which is an example of Southern Gothic literature? a.”Let Sleeping Dogs Lie” b.”A Good Man is Hard to Find” c.”The Problem that Has No Name” d.”The Man Who Was Almost a Man”

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Answer:

The correct answer is option b. “A Good Man is Hard to Find”

Explanation:

The short story “A Good Man is Hard to Find”  by Flannery O’Connor  deals with Bailey attempt to take his family from Georgia to Florida, which ends in a disaster when they encounter a escaped convict that kills all the members of the family. This dark short story reunites the characteristics of Southern Gothic as it uses horrific, supernatural and macabre elements and haves Georgia as location, a Southern classic location for stories.

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Best answer get Brainliest. 50 points. Emerson earns money from walking dogs and answering surveys. He earns $5 a week for each dog he walks and $0.10 for each survey he answers. Last week, Emerson answered 100 surveys and earned $35. Part A: Create an equation that will determine the number of dogs he walked. (3 points) Part B: Solve this equation justifying each step with an algebraic property of equality. (6 points) Part C: How many dogs did Emerson walk last week? (1 point)

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Step-by-step explanation:

5x + 10 = 35 is your equation

5x = 35 – 10    bc u brought the 10 to the other side so its symbol changes

5x = 25         now were going to bring 5 to the other side to do that we have to divide both sides by 5 (same thing like the 10)

5x/5 = 25/5

x = 5

5 dogs

~batmans wife dun dun dun…..

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Jack paid $13.75 to buy slices 3 of pizza and 4 hot dogs at a concession stand. Sarah paid $9.75 to buy 2 slices of pizza and 3 hot dogs from the same stand. What was the price of a slice of pizza?

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$13.75 = 3p + 4d
$9.75 = 2p + 3d

Using 2nd equation, divide all factors by 3 to isolate hot dog price and solve in terms of pizza price:

3.25 = 2/3p + d
3.25 – 2/3p = d

Now substitute for d in the other equation:

$13.75 = 3p + 4(3.25 – 2/3p)

Distribute the 4: 

$13.75 = 3p + 13 – 8/3p

Combine factors of p:

$13.75 = 9/3p – 8/3p + 13
$13.75 = 1/3p + 13

Isolate and solve for p:

$13.75 -13 = 1/3p

0.75= 1/3p

0.75 * 3 = p
2.25 = p

The price of pizza was $2.25 per slice.

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Please answer!! Sean is picking his daughter up at school today. It is a county policy that people don’t bring dogs on school property. As a responsible citizen, Sean understands that he should leave his dog home because a.the school has decided that dogs are never to be allowed on school property b. it is a county policy, people might be afraid of dogs, and the dog could cause damage c. Sean is afraid his dog will misbehave inside of the school d. the county forbids it, and Sean does not have a leash to walk his dog

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Please answer!! Sean is picking his daughter up at school today. It is a county policy that people don’t bring dogs on school property. As a responsible citizen, Sean understands that he should leave his dog home because a.the school has decided that dogs are never to be allowed on school property b. it is a county policy, people might be afraid of dogs, and the dog could cause damage c. Sean is afraid his dog will misbehave inside of the school d. the county forbids it, and Sean does not have a leash to walk his dog

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An animal shelter has 18 puppies. If the puppies are 36% of the total dog and cat population, how many dogs and cats are in the animal shelter?

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An animal shelter has 18 puppies. If the puppies are 36% of the total dog and cat population, how many dogs and cats are in the animal shelter?

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A dog breeder currently has 9 breeding dogs. 6 of the dogs have exactly 1 littermate, and 3 of the dogs have exactly 2 littermates. if 2 dogs are selected at random, what is the probability that both selected dogs are not littermates?

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You need to determine the number of ways in which 30 competitors from 50 can qualify. First, you have to realize that the order is irrelevant, that is: it is the same competitor_1, competitor _2, competitor _3 than competitor_3, competitor_2, competitor_1, or any combination of those three competitors.

So, the number of ways is which 30 competitors from 50 can qualify is given by the formula of combinations, which is:

C (m,n) = m! / (n! * (m -n)! )

=> C (50,30) = 50! / (30! (50 – 30)! ) = (50!) / [30! (50 – 30)!] = 50! / [30! 20!] =

 = 47,129,212,243,960 different ways the qualifiying round of 30 competitors can be selected from the 50 competitors.

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Which main event occurs during the rising action? A. Aileen’s mother taunts other dogs with big words. B. Aileen’s mother tells anecdotes and laughs heartily. C. Aileen and her mother learn they will be separated. D. Aileen and her mother discuss harboring resentments.

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Here are a few pointers; hope this is useful)

Ovation-by definition- is show of appreciation from an audience, for a person’s accomplishments or flaw.

“Everyone deserves a standing ovation because we all overcometh the world.”

A person’s accomplishment could be how they made a positive change in this world, strong leadership- that makes them a effective leader or simply helping others. A person’s flaw- mistakes in life, sin or even guilt should also be considered an appreciation- an ovation for representing mankind’s flaw and that humanity makes mistakes, fulfilling at least one deadly sin such as greed, lust, selfishness etc.

Thus, regardless of a person’s achievement or flaw- a person deserves an applause for, not the least, living in this society and this world that we are all living together and dying together.

That was just the introduction.. the best part is yet to come.. now it’s your turn!!

Here are other pointers to talk about in your essay:

Shakespeare’s famous line “All the World’s a stage. That agrees with your line: “Everybody deserves a standing ovation…”

Shakespeare explains that men and women are like players: they live, and die, some being celebrated and some forever living in solitude till their death. Shakespeare states the world is a “stage” which symbolizes that mankind is in its peak. The world is changing everyday: little by little and humanity is falling behind.
Due to our world turning into machinery: factories, an automotive future: where humans only job to live (entrance) and to die (exit) the famous humans remembered and the flawed not recalled.

This is according to Shakespeare’s imagery.

I don’t know what grade your in, but I think simplifying Shakespeare’s word of mouth in your essay would be handy and useful as it has strong references of your quote, and agrees strongly in your essay.

Hope this helps 🙂

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Of all of the man’s mistakes which one was the worst because it led to the others? a.He made a fire under a tree. b.He fell in the creek. c.He did not pay attention to the dog’s warning. d.He left the fire.

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Answer:

Training your dog

It is very important to train your dog. It keeps your dog’s mind active, and it help to build an understanding between you and your dog. Often, owners will shout at their dogs or even punish them when what is needed is training.

The error in grammar: it help

Correct verb form: it helps

Explanation:

In the simple present tense, third-person singular pronouns, like she, he and it, use conjugated verbs formed by the base form of a verb and the affix -s, -es, or -ies. For example: helps, thinks, cries, watches. In the excerpt provided, the error is in the verb help because it is not correctly conjugated for the pronoun it: it is missing an s at the end.

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Dave have two dogs Riley is 1.7 years old and Bailey is 2.5 times older how old is Bailey

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Dave have two dogs Riley is 1.7 years old and Bailey is 2.5 times older how old is Bailey

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Mario walks his dog once every 8 days in the park while todd walks his dog once every 14 days today both mario and todd walked their dogs in the park in how many more days will both boys walk their dogs in the park on the same day

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Finding the “probability that at least one is girl” can be done much easier by subtracting the “probability that none is girl” from 1, since these 2 events are the complement of each other, and either one or the other, but never both, may happen.

consider the tree diagram of the problem, check the picture, each branching represents a birth. The only branch where there is no girl (no g), is 

bbbbbb with a probability of (1-0.534=0.466) per each letter b. 

we know that the probability of a particular branch is the multiplication of the probabilities of each letter in the branch.

so in the case, P(bbbbbb)= (0.466)^{6}= 0.01

finally, P(at least 1 girl) = 1- P(no girl)=1-P(bbbbbb)=1-0.01=0.99

Answer: 0.99

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Mark owns Siberian Husky sled dogs. He knows from data collected over the years that the weight of the dogs is a normal distribution. They have a mean weight of 52.5 lbs and a standard deviation of 2.4 lbs. What percentage of his dogs would you expect to have a weight between 47.7 lbs and 54.9 lbs?

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Employee                                 Mary      Zoe         Greg         Ann           Tom

Cumulative Pay                       $6,800   $10,500  $8,400    $66,000   $4,700

Pay subject to FICA S.S.         $421.60  $651.00  $520.80 $4092.00 $291.40
6.2%, (First $118,000)

Pay subject to FICA Medicare $98.60 $152.25    $121.80    $957.00    $68.15
1.45% of gross

Pay subject to FUTA Taxes      $40.80  $63.00     $50.40    $396.00  $28.20
0.6%

Pay subject to SUTA Taxes   $367.20  $567.00  $453.60  $3564.00 $253.80
5.4% (First $7000)

Totals                                     $928.20 $1,433.25 $1,146.60 $9,009.00 $641.55

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Cole is making a pedigree chart for the dogs that he breeds. His chart will have shaded shapes to show dogs who carry the dominant trait that he wants to track. Which symbol should he use to show a second generation female who expresses that trait?

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Answer:

The integumentary system covers the surface of the body is true about the integumentry system.

Explanation:

The integumentary system includes the skin, nails, glands, hairs, and nerves. Its main role is to act as a barrier to protect the body from the outside environment. It also retains body fluids, regulates body temperature, eliminates waste products, and protects against disease.

The integumentary system is the largest organ in the body that covers the surface of the body.

Thus, The integumentary system covers the surface of the body is the true statement about the integumentry system.

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Urgent I need it for an assignment!!A dog store has 3 female Chihuahuas. 14 of the 25 dogs at the store are not Chihuahuas. What is the probability that a dog selected at random is female, given it is a Chihuahua? A. 3/25 B. 3/14 C. 3/11 D. 11/25

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You need to determine the number of ways in which 30 competitors from 50 can qualify. First, you have to realize that the order is irrelevant, that is: it is the same competitor_1, competitor _2, competitor _3 than competitor_3, competitor_2, competitor_1, or any combination of those three competitors.

So, the number of ways is which 30 competitors from 50 can qualify is given by the formula of combinations, which is:

C (m,n) = m! / (n! * (m -n)! )

=> C (50,30) = 50! / (30! (50 – 30)! ) = (50!) / [30! (50 – 30)!] = 50! / [30! 20!] =

 = 47,129,212,243,960 different ways the qualifiying round of 30 competitors can be selected from the 50 competitors.

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The ratio between the number of cats (c) and the number of dogs (d) in the shelter is 3. There are 27 cats in the shelter. How many dogs are in the shelter?

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Answer:  The correct option is (C). 10 = square root of the quantity of x minus 8 all squared plus y minus 9 all squared

Step-by-step explanation:  Given that the segment AB has point A located at (8, 9). The distance from A to B is 10 units.

We are to select the correct option that could be used to calculate the coordinates for point B.

Let, (x, y) be the co-ordinates of point B.

According to distance formula, the distance between two points (a, b) and (c, d) is given by

d=sqrt{(c-a)^2+(d-b)^2}.

Therefore, the distance between the points A(8, 9) and B(x, y) is given by

d=sqrt{(x-8)^2+(y-9)^2}.

Since, distance between A and B is 10 units, so

d = 10.

Therefore,

10=sqrt{(x-8)^2+(y-9)^2}.

Thus, the correct statement is

10 = square root of the quantity of x minus 8 all squared plus y minus 9 all squared.

Option (C) is correct.

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What are the names of queen elizabeth's dogs 2017?

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What are the names of queen elizabeth’s dogs 2017?

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Emily wants to find out about training and reads the leaflet below. She notices an error in grammar in the first paragraph of the text. Find the error and replace it with the correct verb form. Training your dog It is very important to train your dog. It keeps your dog’s mind active, and it help to build an understanding between you and your dog. Often, owners will shout at their dogs or even punish them when what is needed is training.

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Answer:

Training your dog

It is very important to train your dog. It keeps your dog’s mind active, and it help to build an understanding between you and your dog. Often, owners will shout at their dogs or even punish them when what is needed is training.

The error in grammar: it help

Correct verb form: it helps

Explanation:

In the simple present tense, third-person singular pronouns, like she, he and it, use conjugated verbs formed by the base form of a verb and the affix -s, -es, or -ies. For example: helps, thinks, cries, watches. In the excerpt provided, the error is in the verb help because it is not correctly conjugated for the pronoun it: it is missing an s at the end.

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Read the following passage and then select the correct answer: According to some sources, more than 60 percent of Americans currently own a dog. Dogs can be strong companions, but they also have needs that many people forget to address. Without proper hygiene, dogs can become matted and sick, just the same as any human being. Because of these reasons, it is essential that Americans begin to develop regular habits of dog washing and grooming. Which of the following sentences states the author’s claim? According to some sources, more than 60 percent of Americans currently own a dog. Dogs can be strong companions, but they also have needs that many people forget to address. Without proper hygiene, dogs can become matted and sick, just the same as any human being. Because of these reasons, it is essential that Americans begin to develop regular habits of dog washing and grooming.

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Hey there!

Correct answer is D. Comma or Period Inside Rule

A. Question mark or exclamation point inside: those are not really necessary.

B. Colon or semicolon: not, a semicolon would divide the whole sentence and it would be shorten; a colon would work but after requested, when there is already a comma.

C. Question mark or Exclamation Point Outside Rule: would not work, becase it is an very polite and affirmative sentence.

D: A comma or period inside rule: actually, just a comma would work. Please, Cooper’s dad requested, go… Cooper’s dad requested must be in between commas as it is a vocative.

Hope this helps

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What is Hunter the dog’s centripetal acceleration when he runs along a circular path of radius 2.0 meters with a tangential speed of 2.2 meters/second?

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Answer: The speed of light is fastest in gases.

Explanation:

Light wave is a transverse wave.

Light travels fastest in the less dense media. There are 3 states of matter: Solid, liquid and gas

Solid is the state of matter in which the particles are closely packed. The intermolecular spacing between the particles is very less and hence, it the denser state of all the states of matter.

In liquid state, the particles are not that closely packed, the intermolecular spacing between the particles is more than solid and is less dense than solid.

In gaseous state, the particles have a lot of spacing between them. There is a lot of  intermolecular spacing between the particles and is the least dense of all the states of matter.

Therefore, the light wave will travel fastest through gases and then through liquids and then through solids.

Hence, the speed of light is fastest in gases.

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Which adage best describes the paragraph? Jess and Randy had a big argument. It was about something that happened at the football game. The other players were careful not to mention it for many months afterward. They didn’t want to see a repeat performance of the fight. A. Honey catches more flies than vinegar. B. Let sleeping dogs lie. C. A friend in need is a friend indeed. D. Once bitten, twice shy.

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This excerpt from Mrs. Dalloway reveals the state of mind of Septimus Warren Smith, a war veteran with a a. pessimistic outlook on the world. The last two sentences also illustrate c. the struggle to find meaning in life, which is a common characteristic of modernist literature.

His pessimistic outlook of the world can be proved by the character’s interpretation of a curious patter like a tree upon the blinds: something bad, mischievous, terrifying; as well as his feeling toward the environment, the world that “threatened to burst into flames”. None of his perceptions shows something positive, nor moderate about the world.

And the last two sentences illustrate the struggle to find meaning in life, this is clear when the character questions himself about his purpose, why is he there, rooted to the pavement?. At the same time, this option is characteristic of the modernist literature surged in the early 1900s, where the narration is usually made through interior perception and self-consciousness.

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James walks his dog every 8 days in the park. Joelle walks her dog every 14 days in the park. Today, they both walked their dogs in the park. In how many more days will they walk their dogs on the same day?

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Posted in Mathematics

In 112 days they will walk to the park. You may have to check to see if it could go lower.


Related Questions

Posted in Mathematics

The total curb weight of a truck, a car a, and a car B is 11,250 lb. The weight of car A is 15 lb less than the weight of two B cars. The truck weighs 2145 lb more than car A. What is the curb weight of each vehicle? HELP ME PLEASE

The answer is: the curb weight of a truck is 5784 lb, the curb weight of a car a is 3639 lb, the curb weight of a car B is 1827 lb.
  
t – the weight of a truck
a – the weight of a car a
b – the weight of a car B

The total curb weight of the truck, the car a, and the car B is 11,250 lb:
t + a + b = 11250
The weight of car A is 15 lb less than the weight of two B cars: a + 15 = 2b
The truck weighs 2145 lb more than car A: t = a + 2145

Now, we have the system of three equations:
t + a + b = 11250
2b = a + 15          ⇒ b = (a + 15)/2
t = a + 2145
_________
Now, substitute b and t from the second and the third equations, respectively, into the first equation:
a + 2145 + a + (a + 15)/2 = 11250
2a + (a + 15)/2 = 11250 – 2145
2a*2/2 + (a + 15)/2 = 9105
4a/2 + (a + 15)/2 = 9105
(4a + a + 15)/2 = 9105
(5a + 15)/2 = 9105
5a + 15 = 9105 * 2
5a + 15 = 18210
5a = 18210 – 15
5a = 18195
a = 18195/5
a = 3639
______
b = (a + 15)/2
b = (3639 + 15)/2 = 3654/2 = 1827
______
t = a + 2145 = 3639 + 2145 = 5784

Posted in Mathematics

During a game, high school students sell snacks. They sell cold sandwiches for $2.50, hot dogs for $1.50, and hamburgers for $2. By the end of the day, the students have collected $1060.50 and sold 562 items. Casey estimates that the students sold twice as many hot dogs as cold sandwiches. If his estimate is correct, how many of each item did they sell? Solve by using row reduction.

The answer is they sold 127 cold sandwiches, 254 hot dogs, and 181 hamburgers.

s – the number of sandwiches
d – the number of hot dogs
h – the number of hamburgers

The price for s number of sandwiches is: $2.50s
The price for d number of hot dogs is: $1.50d
The price for h number of hamburgers is: $2h

The students have collected $1060.50: $2.50s + $1.50d + $2h = $1060.50
The students have sold 562 items: s + d + h = 562
The students sold twice as many hot dogs as cold sandwiches: d = 2s

Let’s use substitution method.
First, let’s substitute d from the third equation into the second equation and solve it for h in the term of s:
s + d + h = 562
d = 2s
s + 2s + h = 562
3s + h = 562
h = 562 – 3s

Further, substitute h and d from the second and the third equations, respectively, into the first equation and solve it for s:
2.50s + 1.50d + 2h = 1060.50
d = 2s
h = 562 – 3s
2.50s + 1.50 * 2s + 2(562 – 3s) = 1060.50
2.50s + 3s + 1124 – 6s = 1060.50
-0.5s + 1124 = 1060.50
1124  – 1060.50 = 0.5s
63.5 = 0.5s
s = 63.5/0.5 = 127

d = 2s = 2 * 127 = 254

h = 562 – 3s = 562 – 3 * 127 = 562 – 381 = 181

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Posted in Mathematics

Suppose the point (8, -3) is on the graph of y = f(x). Find the corresponding point on the following transformations of f. a.) y = −14f(x + 5) ( , ) b.) y = f(−x) + 5 ( , )

A) the graph is shifted left 5, reflected on the x-axis, and stretched vertically by a factor of 14.  So the point moves as follows:(8,-3) -> (3,-3) ->(3,3) – >(3,42)
b.) the graph is reflected on the y-axis, and then shifted up 5.  The points moves:(8,-3) -> (-8,-3) -> (-8,2)

Use our writing service to score better and meet your deadlines

No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself.

Tell us your requirements

Use our writing service to score better and meet your deadlines

No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself.

Tell us your requirements

Use our writing service to score better and meet your deadlines

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Tell us your requirements

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Leyla is selling hot dogs and spicy sausages at the fair. She has only 40 buns, so she can sell no more than a total of 40 hot dogs and spicy sausages. Each hot dog sells for $2, and each sausage sells for $2.50. Leyla needs at least $90 in sales to meet her goal. Write and graph a system of inequalities that models this situation.

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Answer:

The answer is option B : Yes: 28%

Step-by-step explanation:

The monthly expenses for the house that you want to purchase totals $1,562.30. So, yearly expenses for the house = 12(1562.30)=$18747.60

The gross annual salary is $66,955.71

Now percentage of expense to gross income is =

frac{18747.60}{66955.71}times100 = 28.00%

Therefore, the answer is Yes: 28%

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Rob determined that some teenagers like to eat hot dogs, some like to eat hamburgers, and others don’t like to eat hotdogs or hamburgers. He calculated the probabilities and created the Venn diagram below: a venn diagram showing two categories, Hot dogs and Hamburgers. In the hot dogs only circle is 0.3, in the hamburger only circle is 0.4, in the intersection is 0.1, outside the circles is 0.2 What is the probability that a teenager eats hotdogs, given that he/she eats hamburger?

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Answer:

0.25

Step-by-step explanation:

We are given that Rob created the Venn Diagram shown below which gives us,

The probability of teenagers who like to eat hot dogs = P(HD) = 0.3

The probability of teenagers who like to eat hamburger = P(HB) 0.4

The probability of teenagers who like to eat both = P( HD ∩ HB ) =0.1

The probability of teenagers who like to eat none = 0.2

It is required to find the probability that a teenager eats hot dogs when it is given that he/she eats hamburger i.e. P( HD | HB ).

Now, we know that the probability that an event B occurs given that event A has already occurred is given by,

P(B|A) = frac{P(A bigcap B)}{P(B)}

So, P(HD|HB) = frac{P(HD bigcap HB)}{P(HB)}

i.e. P(HD|HB) = frac{0.1}{0.4}

i.e. P(HD|HB) = 0.25

Hence, the probability that a teenager eats hot dogs when it is given that he/she eats hamburger is 0.25.

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