How would you choose to reduce the system shown to a 2 × 2? Explain why you would choose this approach. –3x y – 2z = 10 (1) 5x – 2y – 2z = 12 (2) x – y z = 23 (3)

Answers

Answer 1

Answer:

Eliminate y by adding equations (1) and (3) because the coefficients on y are opposites. Then eliminate y by multiplying equation (1) by 2 and adding it to equation (2). Eliminate z by subtracting equations (1) and (2) because the coefficients are the same. Then eliminate z by multiplying equation (3) by 2 and adding it to equation (1).  

Explanation:


Related Questions

what is the value of n in the equation –(2n + 4) + 6 = –9 + 4(2n + 1)?

Answers

Answer:

[tex]n = 0.7[/tex]

Explanation:

[tex] - (2n + 4) + 6 = - 9 + 4(2n + 1)[/tex]

[tex] - 2n - 4 + 6 = - 9 + 8n + 4[/tex]

[tex] - 2n + 2 = 8n - 5[/tex]

[tex]2 + 5 = 8n + 2n[/tex]

[tex]7 = 10n[/tex]

[tex] \frac{10n}{10} = \frac{7}{10} [/tex]

[tex]n = \frac{7}{10} [/tex]

[tex]n = 0.7[/tex]

it would be 0.7, that would be your answer!

What is the effect of the figurative language used in this excerpt? Choose two answers. It reveals Hamlet’s anger with himself. It reveals Hamlet’s love for Ophelia. It reveals Hamlet’s plan for retaliation. It reveals Hamlet’s hesitation to act. It reveals Hamlet’s distrust of Gertrude.

Answers

The effects of the figurative language as regards the excerpt are:

A. It reveals Hamlet's anger with himself.

D. It reveals Hamlet's hesitation to act.

According to the excerpt, Act II of Hamlet, there was so much anger in Hamlet mind, he was troubled and in rage.

However, he was trying to manage this anger which made him to hesitate from taking reaction, and that is why he said "This is most brave..."

Hence, figurative language helps in making comparisons through connecting senses as well as concrete to abstract ideas.

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Answer:

A and D

Explanation:

i got 100% on quiz

the important part of wiki that makes it different from any other type of website is

Answers

The ability for users to edit

The  most essential and important part of the Wikipedia is to collaborate online through the website that makes it easier for different people to upload and access to the servers.

In collaborative editing the uses can edit at their real time and this gives wiki the ability to make system work much faster.This also increase the education productivity. Hence the answer is collaborate editing.

Learn more about the  part of wiki that makes it different from.

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kendra compares the unit rates for the following four boxes of cereal so she can choose the one that is the best value. which box of cereal should she choose?

Answers

Answer:cereal is 4

Explanation: It is 4 due to the units collide togehter.

Read the excerpt from chapter 8 of The Travels of Marco Polo. Dhofar is a fine city of great size and splendor lying about 500 miles north-west of Shihr. Here again the people are Saracens and worship Mahomet, and are subject to a count who is likewise subject to the sultan of Aden. You must understand that this city is still within the province of Aden. The city stands on the sea and has a very good port, frequented by many merchant ships that import and export great quantities of merchandise. Many good Arab steeds, and horses from other lands as well, are brought here, and the merchants make a handsome profit on them. The city has many other cities and towns under its sway. Here again good incense grows in profusion - I will tell you how. Which statement about Dhofar shows an objective perspective? "The people are Saracens and worship Mahomet." "The city stands on the sea and has a very good port." "Dhofar is a fine city of great size and splendor." "Here good incense grows in profusion."

Answers

Answer:

A

Explanation:

The people are Saracens and  worship Mahomet

Took the Test

I tried B and it was wrong, it is A

The statement about Dhofar that shows an objective perspective is: “The people are Saracens and worship Mahomet.”

What is an objective perspective?

An objective perspective has one that has state the fact without inserting the personal views as well as feelings. The first option has an example of an objective perspective. One can see there that the writer has stated a fact about the Dhofar people.

He actually did not talk about his like or the dislike for them and the neither were other personal views that included in the statement. According to the stanza many good Arab steeds, and horses from other lands as well, are brought here, and the merchants make a handsome profit on them.

Therefore, The statement which tells about Dhofar that shows an objective perspective is: “The people are Saracens and worship Mahomet.”

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The question seems to be incomplete, the complete part of the question will be:

Read the excerpt from chapter 8 of The Travels of Marco Polo.

Dhofar is a fine city of great size and splendor lying about 500 miles north-west of Shihr. Here again the people are Saracens and worship Mahomet, and are subject to a count who is likewise subject to the sultan of Aden. You must understand that this city is still within the province of Aden. The city stands on the sea and has a very good port, frequented by many merchant ships that import and export great quantities of merchandise. Many good Arab steeds, and horses from other lands as well, are brought here, and the merchants make a handsome profit on them. The city has many other cities and towns under its sway. Here again good incense grows in profusion - I will tell you how.

Which statement about Dhofar shows an objective perspective?

“The people are Saracens and worship Mahomet.”

“The city stands on the sea and has a very good port.”

“Dhofar is a fine city of great size and splendor.”

“Here good incense grows in profusion.”

what is most likely the author’s reason for praising secretary john sherman?

Answers

Praise is simply known as expressing one's respect, gratitude or appreciation to what another person has done for you. The author's praise of Secretary John Sherman is because she wants To show readers that John Sherman is an ally, not an enemy, despite his objections to Cuba's acquisition and war with Spain.

John Sherman was known to be a popular politician from the U.S. State. He existed during the American Civil War and into the late nineteenth century. He was a member of the Republican Party, and was U.S. Congress.

The author praises Secretary Sherman due to the part he had played as the Secretary of State during the Presidency of President William McKinley in 1897. The secretary was known to play a key role in smoothing relationships with China.

Conclusively, Secretary John Sherman was known for his well-meaning opposition to some of the foreign policies that existed then as Secretary of the Treasury and Secretary of State.

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Considering the activity series given for nonmetals, what is the result of the below reaction? Use the activity series provided. F > Cl > Br > I Br2 NaF Right arrow. no reaction Na FBr2 NaBr F2 Na2F Br2

Answers

The activity series shows the order of reactivity of elements. The reaction  Br2 + NaF -----> does not occur because bromine is less than fluorine in the activity series.

The activity series shows the order of reactivity of elements. The elements that are higher in the activity series will displace the elements that are lower in the activity series.

The activity series of halogens is shown as; F > Cl > Br > I. Let us consider the reaction;  Br2 + NaF ----->

We can see that bromine is less than fluorine in the activity series hence there will be no reaction because bromine can not not displace fluorine.

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Answer:

a

Explanation:

which statement correctly applies to a car that changes its velocity over a period of time?

Answers

What are the options

Answer:

A nonzero net force is acting on it.

Explanation:

I took the test. :)

which type of front usually brings thunderclouds and storms?

Answers

Answer:

usually cold fronts

Explanation:

Answer:

Cold front forms Thunderclouds and storms.

Explanation:

Find the value of x and y, given the following matrix equation: matrix x = y =

Answers

Based on the given matrix equation, the value of x and y are ±6 and 16 respectively.

How to determine the value of x and y.

In order to solve for the value of x and y, we would create an equation from the upper and lower part of this matrix respectively.

x² - 4 = 32   ...........(upper part)

y + y - 4 = y + 6  ....(lower part)

Next, we would solve for x:

x² - 4 = 32

x² = 32 + 4

x² = 36

x = ±√36

x = ±6.

For the value of y, we have:

y + y - 4 = y + 6

2y - 4 = y + 6

2y - y = 6 + 10

y = 16.

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 Answer: 6, -6

                  10

Explanation:

edge

The bottom number (the bigger number) on each element square on the Periodic Table is called __________. Question 5 options: Proton Electron Atomic Number Atomic Mass

Answers

Answer:

Atomic Number

The bottom number (the bigger number) on each element square on the Periodic Table is called the atomic number. Thus, the correct option for this question is C.

What do you mean by an atomic number?

An atomic number of a chemical element may be defined as the number of chemical elements in the periodic system. Due to this, the elements are arranged in order of increasing the number of protons in the nucleus. This signifies that the number of protons reveals the atomic number of an element.

The atomic number of a chemical element may be represented on the bottom of its chemical symbol, while an atomic mass of a chemical element may be represented on the above of its chemical symbol.

Therefore, an atomic number is a number that is present at the bottom of each element square on the Periodic Table. Thus, the correct option for this question is C.

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What is the significance of this passage as seen through a historical lens? It reflects the humanist belief in human nobility and intelligence. It shows the new emphasis on personal education in the Middle Ages. It reveals the connection between religion and politics in Elizabethan England.

Answers

Answer:

It reflects the humanist belief in human nobility and intelligence.

Answer:

A. It reflects the humanist belief in human nobility and intelligence

Explanation:

a recipe needs 834 millileters of water as one of its ingredients. how many liters of water does the recipe need?

Answers

Answer:

0.834L

Explanation:

just do the conversion

the addition problem 15 + 24 can also be expressed as which of the following?

Answers

Answer:

Explanation:

7654

which of the following statements about masters programs is not correct

Answers

You didn't provide any statements...

the dimensions of a rectangular solid are measured to be 1.27 cm, 1.3 cm, and 2.5 cm. the volume should be recorded as

Answers

The Volume of the rectangular solid should be recorded as 4.1275 cm³

A rectangular solid is a three dimensional shape with six rectangular faces  placed perpendicularly to one another.

The volume of a rectangular solid = length * width * height

Given the dimensions of a rectangular solid as 1.27 cm, 1.3 cm, and 2.5 cm, its volume is:

Volume of the rectangular solid = 1.27 cm * 1.3 cm * 2.5 cm = 4.1275 cm³

The Volume of the rectangular solid should be recorded as 4.1275 cm³

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How did Hongwu follow the teachings of Confucius? by building chariots of porcelain by encouraging exploration beyond China by making sure that everyone could earn a living by setting high standards of behavior for government leaders

Answers

Answer:

The correct answer is D) by making sure that everyone could earn a living.

Explanation:

Hongwu, was the founder of the Ming Dynasty. He decided to make so reformations in the government of China that centralized much of decisions on him. He believed in the teachings of Confucious and the traditional rituals he taught. He followed the Mandate of Heaven and controlled every aspect of the Empire.

Hongwu follow the teachings of Confucius by making sure that everyone could earn a living by setting high standards of behavior for government leaders

Hongwu was known to be one of china's greatest ruler. he existed between 1328-1398. He stablished the Ming Dynasty in 1368, estored chinese traditions and ruled with absolute authority.

He reintroduced the Confucian system of government and people who filled government positions were highly trained in Confucian principles

Conclusively, Ming economic strengths was strong agriculture, few imports and good exports.

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how does technology contribute to the development of art like photography

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Answer:

Technology has positively impacted the development of photography in many ways such as the increase in quality images and videos because of advancements in digital cameras.

We all can attest to the increase in clearer images and videos in recent times, this is as a result of technological advancements in digital cameras and mobile phones over the years.

In the past, film was used as the main content of photography, but with recent technological advancements, photography now uses electronic technology to achieve better images.

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Miss Hawaii

what was the purpose of the missouri compromise brainly

Answers

The purpose of the Missouri Compromise was to keep a balance between the number of slave states and the number of free states in the Union. It allowed Missouri to enter as a slave state at the same time Maine entered as a free state, thus maintaining a balance in numbers of free and slave states.

mi madre (1) 1 of 8 en que (2) 2 of 8 una dieta. yo (3) 3 of 8 hacer ejercicio para adelgazar. yo la comprendo: ella (4) 4 of 8 que yo (5) 5 of 8 . yo le digo que no (6) 6 of 8 miedo porque soy muy saludable. es probable que, con la gimnasia, (7) 7 of 8 lo suficiente para que mi madre (8) 8 of 8 tranquila.

Answers

Los verbos que se deben utilizar para completar este texto son insiste, haga, quiero, teme, enferme, tenga, sea, este.

En este texto, cada espacio debe ser completado con un verbo o acción apropiada. Esto requiere:

Seleccionar un verbo que se apropiado para cada situaciónConjugar el verbo de forma apropiada (pasado, presente, futuro)

A continuación analizaremos cada oración:

1. Mi madre___en que __ una dieta

El primer espacio debe ser completado con la palabra insiste que refleja el deseo de la madre porque su hija haga algo. Igualmente el segundo espacio debe ser completado con yo haga pues la expresión para dieta en Español es hacer una dieta

2.Yo  __ hacer ejercicio para adelgazar

Esta oración debe ser completada con el verbo quiero que expresa deseo y es la conjugación correcta para yo

3. Ella  __que yo __

El primer espacio puede ser completado con la palabra teme ya que en la siguiente oración se menciona la palabra miedo y el segundo puede ser completado con me enferme, en este caso se requiere de la palabra me para que la oración este completa.

4. Yo le digo que no __ miedo

La palabra más apropiada es tenga pues está palabra se usa junto miedo tener miedo y esta oración se refiere a una recomendación.

5. Es probable que, con la gimnasia _lo suficiente para que mi madre __ tranquila.

El primer espacio puede ser completado con la palabra sea que explica un estado hipotético de ser lo suficiente. En cuanto a la segunda palabra, esta es este tranquila que se refiere a un estado hipotético del verbo estar.

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anna had 50 brooms. alisa had 10 more brooms than anna. what was the ratio of anna’s brooms to alisa’s brooms?

Answers

Either 60:50 or 6:5

because anna has 50 and alissa has ten more than anna so alisa would have 60.

what is the single most important fact that predicts the person with whom you will become friends or have a romantic relationship?

Answers

The single most important fact that helps in giving prediction as regards person with whom one will be having friendship or a romantic relationship with is the amount of contact you have with people.

Romantic relationship can be regarded as kind of relationship involving some interpersonal relationship.

This could entails physical as well as emotional intimacy, However to have this kind of relationship, it always depends on the contact one has with the people we tends to have an intimate relationship with.

Therefore, the amount of contact we have play a vital roles because it helps to understand the person very well and the person lifestyle.

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refer to the accompanying data set of mean​ drive-through service times at dinner in seconds at two fast food restaurants. construct a ​% confidence interval estimate of the mean​ drive-through service time for restaurant x at​ dinner; then do the same for restaurant y. compare the results.

Answers

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

180.56 ± 17.35

(163, 198)

Restaurant Y has a mean service time of 152.96, with a standard deviation of 49.2.

The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

152.96 ± 1.960 × 6.96

152.96 ± 13.64

(139, 167)

a user is implementing security on a small office network. which two actions would provide the minimum security requirements for this network? (choose two.)

Answers

Implementation of firewall

installation of anti-virus software

What adaptations of the harpy eagle allow it to be such a successful rainforest predator? (Site 1)

Answers

Answer:

its so successful because its does something called perch-hunting. were  the eagle is able to sit in a tree and scan for food this method works better then circling and trying to find food while flying

.Explanation:

EDGE 2021

Read the second stanza of "Some Keep the Sabbath Going to Church." Some keep the Sabbath in Surplice – I just wear my Wings – And instead of tolling the Bell, for Church, Our little Sexton – sings. What is the effect of the word "surplice," which is a garment worn by the clergy, in this stanza? It reinforces the difference between the natural things the speaker holds dear and the rituals of the church. It reinforces the poet’s belief that most people feel the need to attend church. It reinforces the poet’s authority by suggesting that she knows quite a bit about religious rituals. It reinforces the speaker’s view that great mystery lies at the heart of most religious rituals.

Answers

The effect of the word "surplice," which is a garment worn by the clergy, in this stanza is:

A. It reinforces the difference between the natural things the speaker holds dear and the rituals of the church

According to the given question, we can see that the author talks about the religious rituals which occurs when people go to church and put on clergy garments when in church.

As a result of this. we can see that the effect of this word in the stanza is that it shows the difference between the natural things and the spiritual rituals of the church.

This is because, the narrator further shows the bells, the little Sexton and the Surplices which are all used in the church and how she spends her Sabbath at home with her wings.

Therefore, the correct answer is option A

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Answer:

A

Explanation:

In 2012, the Office of Management and Budget reported calculations of cost and benefits of regulations by major government agencies. According to the chart, which regulatory agency provides the greatest monetary benefit to the public? According to the chart, which regulatory agency had the fewest regulations studied?

Answers

Answer:

the person above me is correct

Explanation:

the answer for number 14 is A, C, D

the answer for number 16 is A, C, D

Answer:EPA and USD

Explanation:

cuz those are the answers

What is the central thread that connects the three parts of Section VIII in The Way to Rainy Mountain?

Answers

Answer:

The central thread that connects the three parts of section VIII in "The way to rainy mountain" by N. Scott momaday,is that language is a powerful way to influence reality

determine the force f applied to the round rod by each jaw of the pliers under a grip of 100 n.

Answers

Explanation:

nensnejjnsksnsjejejejdnhdnejdnjs jsisnjs j j j j j n

identify the compound with the highest magnitude of lattice energy.

Answers

Answer:

The lattice energies for the alkali metal halides is therefore largest for LiF and smallest for CsI, as shown in the table below. The ionic bond should also become stronger as the charge on the ions becomes larger.

Explanation:

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What is the main idea of Anansi, Firefly and Tiger? Compare solving equations using addition with solving inequalities using addition which of these points is closest to the point (7,1)?A. (4,1)B. (7,-1)C. (7,4)D. (11,1) Find the slope of each line.BA)AB)C) My culture and food questions why did events in the western territory occupy so much of washingtons time and attention find the radius and center coordinates of the circle x^2+y^2+8x-10y+25=0 Explain how you can determine which gas is most likely to work well in a thermoacoustic generator based on position on the periodic table. Ignacio Casaverde is looking for a Spanish-speaking sportspartner and has posted the following message on yourgym's social media page. Complete his message byselecting the correct verb forms. (Fill in the blank)Hola, soy Iggi. En general me __ los deportes como el tenis y el baloncesto, pero me __ ms el ciclismo y el hockey. No me __ la pesca porque es aburrida (boring). Los viernes por la maana a mi hermano y a m nos __ ir al gimnasio a levantar pesas. Los sbados por la maana nos __ jugar al ftbol. Por la tarde a m me __ jugar al billar (billiards). A mi hermano le __ ms las cartas (cards) y no juega conmigo. Los domingos no me__ practicar ningn deporte porque a mi esposa le __ ir de compras y no hay tiempo para jugar. Qu te __ hacer? Match each description to the correct physical feature why Democracy is not only a system of government but also a way of life Three fundamental laws of chemical combination The associative property is shown by the following: 5(3+1)=5(3) + 5 (1) When an author suggests something through clues, it is up to the reader to _____. make an inference use a thesaurus make a prediction consult other resourcesplease hurry its forf e test and i need help u got 10 minutes bfore i xturn in the test ur get 20 points if u do it correctly c. The number of men in a community is 2,400. If the ratio of women to men in the community is 5:4,findi. The total number of people in the community.ii. The number of women in the community.iii. How many more women are there than men if 400 men joined the community. Can someone help me, please? Which is the central element for all living things?carbonhydrogenoxygennitrogen Adjectives real answer! what was the stonewall inn before it reopened as gay bar? difference between civic and moral rights