Multiplication as a method of elimination is used to eliminate an unknown in a system of equations by multiplying one of the equations by a constant.
What is the Gauss method?It is the method of eliminating unknowns that transforms a linear system into a triangular system, so that it is possible to solve the problem with retroactive resolution. Like for example:
2x+3y=143x-4y=4A) The first step is to solve equation 2 to find the variable x.
3x=4y+4x=4y/3+4/3B) The second step is to include the variable x found in equation 1.
2x(4y/3+4/3)+3y=14
17y/3=34/3
17y=34
C) The third step is to solve equation 1 to find the variable y.
17y=34y=2D)Now that we've found the value of y, we can solve equation 1 to find the value of x.
x=4/3x(2)+4/3=4Therefore, if the value of x is 4 and the value of y is 2, the solution of this exercise, using the Gauss method is (4;2).
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What does "number 8 wire" mean to New Zealanders?
A It represents the ingenuity of New Zealanders, who, it is said, can fix anything with some
number 8 wire.
B. It represents the racial struggles between Europeans and Maori and the wire that was used to
create barriers
C. It represents the struggle of the bush, where number 8 wire was used to create rabbit-proof
fencing
D. It represents the idea that New Zealanders are outdoorsy and like to work on ranches.
Answer:
A
Explanation: Accordingly, the term "number 8 wire" came to represent the ingenuity and resourcefulness of New Zealanders, and the phrase "a number 8 wire mentality" evolved to denote an ability to create or repair machinery using whatever scrap materials are available on hand.
Question 1 with 1 blank si la puerta no está abierta, está 1 of 1. Question 2 with 1 blank marco está 1 of 1 porque tiene un examen hoy. Question 3 with 1 blank juan necesita dormir porque está 1 of 1. Question 4 with 1 blank felipe está 1 of 1 porque no encuentra nada interesante que hacer. Question 5 with 1 blank ana está 1 of 1 porque no encuentra el libro que busca. Question 6 with 1 blank debes limpiar (clean) el piso porque está 1 of 1
The missing words in the presented sentences are:
cerradapreocupadocansadoaburridoenojadasucioHow to identify missing words?To identify the missing words in each sentence, we must review its basic structure, making sure that it has a subject, verb, and complement.
Additionally, we must identify to which category the missing words correspond, in this case they are adjectives. According to the above, the complete sentences would look like this:
1. Si la puerta no está abierta, está cerrada.
2. Marco está preocupado porque tiene un examen hoy.
3. Juan necesita dormir porque está cansado.
4. Felipe está aburrido porque no encuentra nada interesante que hacer.
5. Ana está enojada porque no encuentra el libro que busca.
6. Debes limpiar el piso porque está sucio.
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According to the video, what types of education and experience are environmental scientists and specialists most likely to need? check all that apply. bachelor’s degree high-school degree five years of experience two years of experience
Environmental scientists and specialists need a bachelor’s degree
and five years of experience.
Who are Environmental scientists?Environmental scientists are professionals who work aims at protecting the environment and whole ecosystems.
Environmental scientists understand issues related to the sustainability of natural resources and how these resources can be used by society.
Environmental science is a career (i.e., a bachelor's degree) that takes five (5) years to be completed.
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Answer:
A and C
Explanation:
Assume a company has two divisions, a and b. the company’s overall sales, overall contribution margin ratio, common fixed expenses, and net operating income are $500,000, 48%, $50,000, and $10,000, respectively. if division a has a contribution margin of $180,000 and division b’s contribution margin ratio is 30%, then what is division a’s sales?
The value of the sales of division A from the contribution margin ratio, and common fixed expenses given is $300,000.
How to calculate sales?
Overall sales = $500,000
Overall Contribution margin will be:
= Overall Sales x Overall Contribution margin ratio
= $500,000 x 48%;
= $240,000
Division B's Contribution margin will be :
= Overall Contribution margin less Division A's Contribution margin
= $240,000 - $180,000
= $60,000
Division B's Sales will be:
= Division B's Contribution margin/Division B's Contribution margin ratio
= $60,000/30%
= $200,000
Therefore, Division A's Sales :
= Overall Sales - Division B's Sales
= $500,000 - $200,000
= $300,000
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Fluency and skills practice lesson 28 finding volume answer key
An example of Fluency and skills practice questions is "What does being fluent with a math skill mean to you?
What is Fluency?This is a term that connote is one's capability to be able to read with ease and fast, been accurate and having the right diction.
The question of what being fluent with a math skill mean to you is that it mean a lot to me as if I am fluent in math, I can be able to answer any difficult questions in math and then apply those skills in problem solving in real life.
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Identify a feeling that ginsberg conveys with his use of style, structure, and theme.
Answer: C. A sense that the speaker feels out of place in 1950s America
Explanation:
The ability of an apple to change color when exposed to air is a
Answer:
chemical reaction
Explanation:
Christopher runs a farm stand that sells apples and bananas. Yesterday christopher sold 35 pounds of apples and 34 pounds of bananas for a total revenue of $163. 50. Today he sold 15 pounds of apples and 17 pounds of bananas for a total revenue of $76. 75. Determine the price of each pound of apples and the price of each pound of bananas
The equation computed shows that the price of apple is $2 and the price of banana will be $2.75.
How to compute the equation?Christopher sold 35 pounds of apples and 34 pounds of bananas for a total revenue of $163.50. This will be:.
35a + 34b = 163.50
He also sold 15 pounds of apples and 17 pounds of bananas for a total revenue of $76.75. This will be:
15a + 17b = 76.75
Equate both equations
35a + 34b = 163.50 ..... i
15a + 17b = 76.75 ...... ii
Multiply equation i by 15.
Multiply equation ii by 35
525a + 510b = 2452.50 .... iii
525a + 595b = 2686.25 .... iv
Subtract equation iii from iv
85b = 233.75
b = 233.75/85
b = 2.75.
The price of banana is $2.75.
The price of apple will be:
35a + 34b = 163.50
35a + 34(2.75) = 163.50
35a + 93.50 = 163.60
35a = 163.50 - 93.50
35a = 70
a = 70/35
a = 2
The price of apple is $2.
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Which design element is used to organize the text in orderly fashion? a. Proximity b. Alignment c. White space d. Balance
Answer:
Explanation:
The correct answer is the option B: alignment.
Explanation:
On one hand, design elements comprehends the term that describes fundamental ideas about the practice of visual design, such as the color, the points the lines, etc.
On the other hand, alignment is the name given, in the field of design, to the term that describes how a text is placed in order on the screen. Moreover, it enables the composition of a text document using different text positioning on the whole or selected part of a page.
Answer:B.
Explanation:
7-4 practice parallel lines and proportional parts
Parallel lines in geometry are a set of two lines in the same plane that are equidistant to each other. Put simply, they are two perpendicular lines that never meet or intersect.
What are proportional parts in geometry?Mostly used in Triangular Geometry, the theorem of Proportional parts, describes a situation where there is equality of proportion in the dimensions of a shape.
The dimensions referred to above are:
HeightWidthDepth etc.In triangular geometry, a pair of triangles are said to b proportional if they both have similar perimeters, hence corresponding sides.
It is to be noted that the question seems to be missing some information hence the general answer.
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To the heated water 0.5 kg of water at t3 = 20° c is added. what is the final temperature of the water, in kelvin?
The final temperature of the water after addition to the heated water at 20° C in degree kelvins' is calculated as; 295.23 K
What is the Final Temperature?We are given;
mass of the initial water; m₁ = 2.5 kg
specific heat capacity of water; c = 4189 J/kg.K
initial temperature of water; T₁ = 13.5 ⁰C
final temperature of the water; T₂ = 22.5 ⁰C
mass of the final water; m₂ = 0.5 kg
initial temperature of the final water; T₁,i = 20 ⁰C
If the system is isolated, then we have;
m₁*c*(T_f - T₂) + m₂*c*(T_f - T₁,i) = 0
c will cancel out to give;
[2.5T_f - (2.5*22.5)] + [0.5T_f - (0.5*20)] = 0
2.5T_f - 56.25 + 0.5T_f - 10 = 0
3T_f = 66.25
T_f = 66.25/3
T_f = 22.08°C = 295.23 K
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when a company cannot fully satisfy demand because of a constraint, which of the following describes an action that should not be taken?
The action that should not be taken by the company is tightening the constraints.
How does a company satisfy their demands?A company is able to satisfy the demands from its customers through the following:
empowering of customers as they like to be valued,satisfying fragmented demands,increasing agility andintroducing innovative services.Therefore,when a company cannot fully satisfy demand because of a constraint, the action that should not be taken by the company is tightening the constraints.
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Sodium hypochlorite, naocl, is the active ingredient in household bleach. what is the concentration of hypochlorite ion if 20.00 ml of bleach requires 32.00 ml of 0.500 m hcl to reach the equivalence point?
The concentration of hypochlorite ion if 20.00 ml of bleach requires 32.00 ml of 0.500 m hcl to reach the equivalence point is: 0.800 M.
Concentration of hypochlorite ionGiven:
Ca = concentration/molarity of acid=0.500 M
Va = volume of acid= 32.00 cm3
Cb = concentration/molarity of base=?
VB =volume of base= 20.00 cm3
Hence:
Concentration of hypochlorite ion=0.500 × 0 × 1/ 20.00
Concentration of hypochlorite ion=0.800M
Inconclusion the concentration of hypochlorite ion if 20.00 ml of bleach requires 32.00 ml of 0.500 m hcl to reach the equivalence point is: 0.800 M.
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Which human activity would preserve non renewable resources
Answer:
conserving and limiting
Explanation:
Hope this Helps!
-Justin
Which condition feeds a tropical storm as it develops into a hurricane?
Answer:
heat and moisture
Explanation:
i took the quiz
Which of the following statements about the art of the Pacific Islands is false?
A.
Traditional religions forbid the making of religious art.
B.
Carving is a specialized art form that is practiced in the Pacific Islands.
C.
Featherwork is an art form of the Pacific Islands.
D.
Shells are used for artwork.
Answer:
The answer is A. Traditional religions forbid the making of religious art.
Explanation:
Which of these is not a form of electromagnetic radiation?
Answer:
where are the options without options how do i answer sorry
The element that would be the most effective at accepting electrons from another reagent is
Answer:
Matching the elements to the appropriate blanks as follows :
1) The element that would most effective at accepting electrons is ; CI
2) The element that would be the best insulator is ; Cl
3) The element best to form an ionic compound with sulfur is ; Rb
The acceptance of electrons by elements depends on the electronegativity of the element. from the options listed the element with the highest level of electronegativity is Cl ( chlorine ) therefore it the most effective at accepting electrons
Cl ( chlorine) is a non metal and non-metals are semi-conductors or insulators. therefore Cl would act as the best insulator when compared to other elements.
when metals react with non-metals they form an ionic compound. for sulfur the best metal to react with it is Rb ( soft silvery metal ) and the reaction of Rb and sulfur in hydrogen gas. results in Rb₂S₅
Hence we can conclude Matching the elements to the appropriate blanks as follows : The element that would most effective at accepting electrons is ; CI, The element that would be the best insulator is Cl ,The element best to form an ionic compound with sulfur is ; Rb
Explanation:
Hope this helps :)
A company produces light bulbs each week. written in scientific notation, which is the best estimate of how many light bulbs the company will make in weeks? light bulbs light bulbs light bulbs light bulbs
The number of light bulbs that the firm will make in 9.36 × 10² weeks is 4.27 × 10^(6) bulbs.
What is Scientific notation?This is known to be the method used to write a figure that very large or very small numbers.
Note that when the company makes a fixed quantity of light bulbs in a week, the amount of light bulbs can only be seen or found by multiplying that quantity by the number of weeks.
4.56 * 10^3 * 9.36 * 10^2
= 42.6816 * 10^5
= 4.26816 * 10^6.
Therefore, The company will produce 4.27 * 10^6 light bulbs in that time frame.
See full question below
A company produces 4.56*10^3 light bulbs each week. Written in scientific notation, which is the best estimate of how many light bulbs the company will make in 9.36*10^2 weeks?
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Which newspaper headline was most likely published in 1803?
Answer:
I'm not completely sure but I would say "The Young Republic doubles in size" was the headline that was most likely published in 1803.
9-4 skills practice solving quadratic equations by factoring
The expression x^2 + 6x + c is a quadratic expression, and the value of c that makes the trinomial a perfect square is 9
How to find the value of c that makes the trinomial a perfect square?The expression is given as:
x^2 + 6x + c
Take the coefficient of 6
k = 6
Divide by 2
k/2 = 3
Take the square of both sides
(k/2)^2 = 9
The value of c is:
c = (k/2)^2 = 9
So, we have:
c = 9
Hence, the value of c that makes the trinomial a perfect square is 9
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Describe what these people are doing or feeling using an expression with tener
People often feel receptive or possessive when using an expression with tener.
What is a tener expression?The Spanish verb "tener" is known to be a term that connotes, to have or possess.
Note that the term is often used in a lot of ways such as "to accommodate", "to experience", "to hold", etc.
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For a laboratory assignment if the equipment is working the density function of the observed outcome
Based the density function of the observed outcome, the probability [tex]P(x\leq \frac{1}{3} )[/tex] is equal to 0.1388.
What is a density function?A density function can be defined as a type of function which is used to represent the density of a continuous random variable that lies within a specific range.
Given the following density function:
[tex]f(x)=\left \{ {{2(1-x),\;0 < x < 1} \atop {0,\; otherwise}} \right.[/tex]
Next, we would calculate [tex]P(x\leq \frac{1}{3} )[/tex];
[tex]P(x\leq \frac{1}{3} )=\int\limits^\frac{1}{3} _0 {f(x)} \, dx \\\\P(x\leq \frac{1}{3} )=2 \int\limits^\frac{1}{3} _0 {(1-x)} \, dx \\\\P(x\leq \frac{1}{3} )=2|x-\frac{x^2}{2} |\limits^\frac{1}{3} _0\\\\P(x\leq \frac{1}{3} )=2[\frac{1}{3} -\frac{1}{2} (\frac{1}{3})^2]\\\\P(x\leq \frac{1}{3} )=2[\frac{1}{3} -\frac{1}{18}]\\\\P(x\leq \frac{1}{3} )=0.1388[/tex]
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Envision algebra 2 answer key pdf additional practice
Transforming the function f(x) involves changing its position
The function f(x) is translated 4 units up to create the function g(x)
How to translate the function?
From the complete question (see attachment), we have:
f(x) = |x|
g(x) = f(x) + 4 = |x| + 4
The above means that:
The function f(x) is translated 4 units up to create the function g(x)
Also, the transformation ensures that the domain of both functions are the same, however the range of function g(x) is g(x) >= 4
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Read the following scene from the inheritors. Fred jordan's cell. Slowly, at the end left unchalked, as for a door, she goes in. Her hand goes up as against a wall; looks at her other hand, sees it is out too far, brings it in, giving herself the width of the cell. Walks its length, halts, looks up. ) and one window—too high up to see out. (in the moment she stands there, she is in that cell; she is all the people who are in those cells. Emil johnson [who works at the courthouse], appears from outside. ) madeline: (stepping out of the cell door, and around it) hello, emil. Emil: how are you, madeline? how do, mr morton. (ira barely nods and does not turn. Emil turns back to madeline) well, i'm just from the courthouse. Looks like you and i might take a ride together, madeline. You come before the commissioner at four. A possible disadvantage to watching this scene, as opposed to reading it silently, is that viewers are required to conceptualize the setting of the jailhouse. Required to interpret movements in absence of stage directions. Required to imagine the appearance of the characters. Required to visualize the props used within the scene
One of the disadvantages of watching the scene rather than reading it is the difficulty in interpreting the movements in the absence of stage directions.
What are stage directions?They are instructions.Show how actors must express their characters through movements and behaviors.They show how the scenario should be set.The stage directions shown in the text above show how actors should move through stage directions. This is shown in detail and specifies that it can be missed if the scene is watched and not read.
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Alicia accidentally hit the bumper of her car by driving into a tree. she has a car insurance policy with $1000 deductible. the total damage to the car is $500. how much will the car insurance company pay in this scenario?
Answer:
nothing.
Explanation:
trust me
Mañana rewrite the sentences using ir a + [infinitive] to say that these people will do the same activities again tomorrow. follow the model.
The correct way of rewriting the sentences, using the form "ir a," are:
Rosa va a patinar en línea mañana de nuevo. Nosotros vamos a ver una película mañana otra vez. Tú vas a tomar el sol mañana también. Yo voy a leer un mensaje electrónico mañana de nuevo. Mis abuelos van a escribir una carta mañana también.How do a person write sentences in Spanish?There are different rules used in sentences that are in Spanish. One is that a person has to place the subject first, before adding a verb and a complement.
Note that Spanish sentences needs to have a period at the end of your sentences and have to also start with a capital letter.
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You cook a turkey until the internal temperature reaches 180°f. the turkey is placed on the table until the internal temperature reaches 100°f, and it can be carved. when the room temperature is 72°f, the cooling rate of the turkey is $r=0.067$ . how long do you have to wait until you can carve the turkey? use newton's law of cooling to solve the problem. round your answer to the nearest whole minute.
The newton's law of cooling is used to determine the waiting time
You will have to wait for 20 minutes to carve the turkey
How to determine the time?By newton's law of cooling, we have:
[tex]T = (T_o - T_R) e^{-rt} + T_R[/tex]
From the question, we have:
T = 100°f ---- The serving temperature
To = 180°f --- The initial temperature
TR = 72°f ----- the room temperature
r = 0.067 -- the cooling rate
So, we have:
[tex]T = (T_o - T_R) e^{-rt} + T_R[/tex]
[tex]100 = (180 - 72) e^{-0.067t} + 72[/tex]
Subtract 72 from both sides
[tex](180 - 72) e^{-0.067t} = 28[/tex]
Evaluate the difference
[tex]108 e^{-0.067t} = 28[/tex]
Divide both sides by 108
[tex]e^{-0.067t} = 0.25923[/tex]
Take the natural logarithm of both sides
[tex]-0.067t = -1.3500[/tex]
Divide both sides by -0.067
[tex]t = 20.149[/tex]
Approximate
[tex]t = 20[/tex]
Hence, you will have to wait for 20 minutes to carve the turkey
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identify the correct descriptions of these major anchorages that thrived because of powerful rulers who wished to generate commercial wealth.
A major anchorage that thrived because of powerful rulers who wished to generate commercial wealth is Melaka.
What is an entrepot?An entrepot can be defined as a trading station that is situated or established at the borders between communities and towns in a country, so as to make trade-related changes possible for different trade partners.
Basically, Melaka is a key cosmopolitan entrepot that is situated (located) or established to the east of the Bay of Bengal and it thrived because of its close proximity to the Malayan tropical produce.
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According to roosevelt, what was the true goal of the new deal? to rebuild the us to restore us values to remind people of the us how to work
According to Franklin Delano Roosevelt, the true goal of the New Deal is: B. to restore US (American) values.
Who is Roosevelt?Franklin Delano Roosevelt was an American politician and statesman who was elected to serve as the 32nd President of the United States of America in 1933. Also, he was born on the 30th of January, 1882 in Hyde Park, New York, United States of America.
What is the New Deal?The New Deal was a collection of government reform programs that were established by President Franklin Delano Roosevelt between 1933 and 1939 in the United States of America so as achieve the following:
Boost the economy.Guard against economic disasters.Provide employment opportunities for the people.In conclusion, we can deduce that in accordance with Franklin Delano Roosevelt, the true goal of the New Deal is to restore US (American) values.
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Answer:
B. to restore US values
Explanation:
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