Answer:
What is the polynomial 3y2 + (y + 7)2 – 15 after it has been fully simplified and written in standard form?
A) 4y2 + 34
B) 3y2 + y + 34
C) 4y2 + 14y + 34 <<<CORRECT
D) 4y4 + 34
Explanation:
Dec. 2021 Edge Cumulative exam
The polynomial [tex]3y^2 (y 7)^ 2 - 15[/tex] after it has been fully simplified and written in standard form as [tex]4y^4 + 34[/tex].
A polynomial is an expression in mathematics that consists of variables (also known as indeterminates) and coefficients.
It involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. x2 4x + 7 is an example of a polynomial with a single indeterminate x.
A polynomial is a mathematical expression made up of indeterminates and coefficients that only involves the operations of addition, subtraction, multiplication, and positive-integer powers of variables.
To fully simplify and write the polynomial [tex]3y^2(y-7)^2 - 15[/tex] in standard form, we first need to expand the squared binomial:
[tex](y-7)^2 = (y-7)(y-7) = y^2 - 14y + 49[/tex]
Now we can substitute this expression back into the original polynomial and simplify:
[tex]3y^2(y-7)^2 - 15 = 3y^2(y^2 - 14y + 49) - 15\\= 3y^2y^2 - 42y^3 + 147y^2 - 15\\= 3y^4 - 42y^3 + 147y^2 - 15[/tex]
So the fully simplified polynomial, written in standard form, is:
[tex]3y^4 - 42y^3 + 147y^2 - 15[/tex]
Therefore, the correct answer is [tex]4y^4 + 34.[/tex]
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The table below describes band members at Mike’s school. Band Member Knowledge of Instruments Can Only Play One Instrument Can Play More than One Instrument Grade 6 15 6 Grade 7 20 8 Grade 8 18 7 Mike used the computation StartFraction 7 Over (6 8 7) almost-equals 0.33 = 33 percent to find the percentage of eighth-grade band members who can play more than one instrument. What error did Mike make? Mike included 7 when finding a sum to use as the denominator of his fraction. Mike used the total of the column containing 7 as his denominator instead of the total of the row containing 7. Mike should have used the sum of all the cell values as his denominator. Mike should have used the number of eighth-grade students who can only play one instrument as the denominator of his fraction.
Answer:
B
Explanation:
Edge 2021
when trevor finished high school, he ended up working "in the hood" for a few years, instead of pursuing his education. when he looks back on why he stayed, he says, "the hood was strangely comforting, but comfort can be dangerous. comfort provides us a floor but also a ceiling." what does he mean by this? how do people get stuck doing something comfortable? what do people need to be propelled forward?
Most people are most comfortable doing what they can do easily, to the extent that they don't want to leave their comfort zone. As a result of this, people get stuck doing something comfortable when they:
Find it difficult to leave their comfort zoneBecause of this, the most important thing that people need to be propelled forward is:
MotivationAccording to the given scenario, we can see that Trevor was stuck with doing something comfortable after his high school, which was working in the hood which made him not to go to college.
This clearly shows that he was finding it difficult to leave what he was comfortable doing because of how easy it was for him.
As a result of this, the thing which is needed if a person wants to propel himself forward is to have the right motivation which would make him move out of comfort to do something difficult that would be ultimately rewarding.
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which of the following could not be used to determine reaction stoichiometry?
Reaction stoichiometry is the type of reaction where there is a total eradication of the quantities that are used in the reaction.
This is used to measure the type of reaction such as corrosion and the likes.
As a result of this, the best way to determine reaction stoichiometry is:
Make sure that the equation is balancedMake the necessary conversion to the SI units to molesMake the necessary calculationsConvert the moles to the required SI unitsPlease note that your question is incomplete, hence i gave you a general overview which should help you get the correct answer.
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metals to be shaped into something else without breaking
Answer:
Steam condensing
Explanation:
meaning that lead object do not change it mass is handy to break it and physical properties
*** Sana po makatulong ako****
Which region had the greatest growth in percentage of households with a computer between 2008 and 2018? Africa Asia Western Europe the Americas
Answer:
Which region had the greatest growth in percentage of households with a computer between 2008 and 2018?
C: Western Europe
Explanation:
Between 2008 and 2018, the region with the greatest growth in the percentage of households with a computer was Asia.
What is personal computer?A personal computer (PC) is a microcomputer designed for single-user use.
Prior to the PC, computers were designed for and only affordable for businesses that connected multiple terminals to a single large mainframe computer whose resources were shared by all users.
According to International Telecommunication Union (ITU) data, the percentage of Asian households with a computer increased by 122% from 20.6% in 2008 to 45.9% in 2018.
In comparison, Africa increased from 4.2% to 11.5% (a 173% increase), Western Europe increased from 68.6% to 84.5% (a 23%), and the Americas increased from 44.9% to 65.6% (a 46%).
Thus, the answer is Asia.
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Fill in the blank with the correct imperfect conjugation of the verb in parentheses. Ella ____ a asistir a la clase pero no fue. (ir) va iba fue veía
The correct imperfect conjugation of the verb 'IR' is 'Ella IBA a asistir a la clase pero no fue'.
IR is a Spanish verb that means 'to go'. It is one of the most usually used verbs in Spanish.
This Spanish verb (ir) is irregular in the imperfect.
To form the imperfect tense of 'ir' verb takes off the -ir ending and adds the endings: -ía, -ías, -ía, -íamos, -íais, -ían.
For example:
Tú ibas (you were going)Ella iba (she went)Nosotros íbamos (we were going)Learn more in:
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Answer:
B
Explanation:
Hydrogen selenide (H2Se) reacts with water according to the following equation. H2Se H2O → SeH– H3O In three to five sentences, identify the acid, base, conjugate acid, and conjugate base in this reaction. Use patterns in the periodic table to explain why the substances you identified acted as the acid and the base in this reaction.
Taking into account the Brønsted-Lowry acid-base theory:
H₂Se behaves like acid because donates an H⁺ proton while H₂O behaves like base because accepts an H⁺ proton from the acid.H₃O⁺ is the conjugate acid of the H₂O and SeH⁻ is conjugate base of H₂Se.
The Brønsted-Lowry acid-base theory (or the Brønsted-Lowry theory) identifies acids and bases based on whether the species accepts or donates protons or H⁺.
According to this theory, acids are proton donors while bases are proton acceptors. That is, an acid is a species that donates an H⁺ proton while a base is a chemical species that accepts an H⁺ proton from the acid.
So, reactions between acids and bases are H⁺ proton transfer reactions, causing the acid to form its conjugate base and the base to form its conjugated acid by exchanging a proton.
In other words, a conjugate base is an ion or molecule resulting from the acid that loses the proton, while a conjugate acid is an ion or molecule resulting from the base that gains the proton:
acid + base ⇄ conjugate base + conjugate acid
In this case, you know:
H₂Se + H₂O → SeH⁻ + H₃O⁺
H₂Se behaves like acid because donates an H⁺ proton while H₂O behaves like base because accepts an H⁺ proton from the acid.
So, H₃O⁺ is the conjugate acid of the H₂O and SeH⁻ is conjugate base of H₂Se.
Learn more about the Brønsted-Lowry acid-base theory:
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Answer:
i dont understand the question.
Explanation:
im jus gonna guess 45
Tandry cannot figure out how his teacher wants him to answer a short essay question on the test he's taking. Where should he look to get more information? a. In his study guide c. In the test directions b. On his classmate’s paper d. None of these Please select the best answer from the choices provided A B C D
Answer: C. In the test directions
Explanation: On Edge!
The place that he should look to get more information is In the test directions.
What is a short essay question?Short essay questions are known to be very harder to write when compared to personal essay but they are ones that usually have a word limit.
A short essay may be as short as 150 words (a paragraph) and thus your answers need to be clear and concise and thus test directions will help Tandry to get answers as he will be more focused on the essay.
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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
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 action by one of the students is most disruptive to the discussion? One listener interrupts the speaker by inserting an opinion. One student laughs at the opinion presented by another student. One listener maintains eye contact with the speaker. The teacher calls on the next student to express a viewpoint.
Answer:A
Explanation:One listener interrupts the speaker by inserting an opinion.
One of the main things that prevents people from listening is noise, which is anything that makes it difficult to pay attention to and comprehend what is being spoken. Thus, option A is correct.
What are the interrupts affecting the listener by opinion?The act of interjecting communicates to the speaker your disinterest in what they have to say. You don't have time to actually listen to them or believe your voice is more essential.
It might even give the impression that you weren't paying attention at all and were simply waiting for an opportunity to speak.
Frequent interruptions can also double error rates, increase rates of tiredness, and stress-related illnesses. The next time you are tempted to interrupt a coworker who is hard at work with a brief comment, consider the effect you will have.
Therefore, One listener interrupts the speaker by inserting an opinion.
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According to the video, where do Librarians work? Check all that apply. parks libraries museums information centers corporations television studios
Answer: The answer is B C D and E
Explanation: im built different
what are the three basic tasks of the federal bureaucracy?
you have just read "la poesía" about a poet’s first experience writing poetry. imagine you are the speaker in the poem and write a journal entry reflecting on this experience. be sure to include details about your inspiration for writing and how the experience of writing poetry affects the way you view life. write a well-organized, text-dependent response. be sure to save time to edit and review your work for complete sentences, spelling, punctuation, and appropriate language.
Answer:
idek
Explanation:
lol
“la poesía” Meaning of that word is “the poetry”
What is poetry?Poetry, also called verse, is a form of literary study that uses aesthetic and often rhythmic qualities of language − such as phonaesthetic sound symbolization, and meter − to evoke meanings in indefinite quantity to, or in place of, a prosaic apparent.
First experience writing poetry. Imagine you are the speaker in the poem and write a journal entry reflecting on this experience. The poetic experience is the proper object of the philosophy of poetry; furthermore, realizing the social and moral value of poetry is also the proper object of the. Philosophy of poetry. The characteristics of good and bad poetry and things to keep in mind when writing your own. It Focuses on the Main Idea.
Therefore, experience writing poetry. Imagine you are the speaker in the poem.
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The first attempt by Anglo-American settlers in Texas to gain independence from Mexico was led by Haden Edwards in 1826. What was this called?
Answer:
Explanation:
The Fredonian Rebellion (December 21, 1826 – January 23, 1827) was the first attempt by Anglo settlers in Texas to secede from Mexico. The settlers, led by Empresario Haden Edwards, declared independence from Mexican Texas and created the Republic of Fredonia near Nacogdoches.
Answer:
Hello!!
The first attempt by Anglo-American settlers in Texas to gain independence from Mexico was led by Haden Edwards in 1826. This was called The Fredonian Rebellion
Hope this helps!!
greg is 5 feet three inches tall and weighs 260 pounds. his body mass index, or bmi, is 42.7. according to the standards set by the centers for disease control (cdc), greg is ________.
According to the standards set by the Centers for Disease Control (CDC), Greg is: Obese.
The Centers for Disease Control (CDC) is the national public health protection agency of the United States of America.
Hence, CDC is saddled with the responsibility of saving lives and protecting people from any form of health, safety, and security threats.
The body mass index (BMI) of a person can be measured by taking a measurement of his or her height and weight.
According to the Centers for Disease Control and Prevention (2018), a person with a body mass index (BMI) at the 90th percentile is at a risk of being obese or overweight.
In conclusion, Greg is obese according to the standards set by the Centers for Disease Control (CDC).
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which of the following is true about graphing polynomial functions?
I'm really sorry but you didn't gave any options...
a mi papá le __________la garganta. doler duele dole dolor
Answer:
A mi papá le duele la garganta.
Explanation:
:)
La palabra correcta para llenar el espacio en blanco dado sería:
b). duele
¿Qué son los verbos?Los verbos se cuentan como las palabras que señalan una acción en la oración.
La oración dada perdió el verbo, lo que hace que el significado sea incompleto.
Dado que el sujeto es singular y se refiere a una acción pasada, el verbo correcto sería 'duele.'
Por lo tanto, la opción b es la respuesta correcta.
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what is the energy conversion during cellular respiration?
closing entries may be prepared from all of the following except
Answer:
what is the question
Explanation:
chocolate candy melting in your hand will eventually melt as the heat
Answer:
transfers through conduction from your hand to the candy
Explanation:
what is the number that is one half of one third of one quater of 720
Cool answer:
7
Explanation:
What adaptations of the harpy eagle allow it to be such a successful rainforest predator? (Site 1)
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
how many ways can a rectangle be reflected across an axis of symmetry
if you slide down a rope, it's possible to create enough thermal energy to burn your hands or your legs where they grip the rope. suppose a 40kg child slides down a rope at a playground, descending 2.0m at a constant speed. how much thermal energy is created as she slides down the rope? assume that all potential energy can be transformed into thermal energy.
Answer:
Given,
mass, m=40kg
length of rope, h=2m
Required,
Thermal energy.
Assumption;
The P.E can be transformed to thermal energy.
then,
P. E = Thermal energy.
Since,
P.E = mhg
Thermal energy = mhg
T.E = 40*2*9.8
T. E = 784J
Therefore the thermal energy created will be 784J.
Most of the artwork in England was produced to______________________. a. honor the family b. give as gifts c. keep family records
Answer:
C
Explanation:
Most of the artwork in England was produced to keep family records
Hope this helped you- have a good day bro cya)
Answer:
c
Explanation:
match the name of the milankovitch cycle with what it does to the earth.
Answer:
This cycle affect the amount of sunlight and energy that Earth absorbs from the sun.
Explanation:
The name of the Milankovitch cycle with what it does to the earth is that it represents the sun cycle.
What are the additives of the Milankovitch cycle?The 3 factors of Milankovitch cycles are eccentricity, obliquity, and precession (Figure 3). Eccentricity describes the diploma of variant of the Earth's orbit across the Sun from round to greater elliptical.Milankovitch cycle is a cyclical motion associated with the Earth's orbit across the sun. Causes versions in the quantity of sun electricity accomplishing the Earth.
It is now withinside the reducing segment of its cycle and could attain its minimum across the yr 11,800 CE. Increased tilt will increase the amplitude of the seasonal cycle in insolation, presenting greater sun radiation in every hemisphere's summertime season and much less in winter.
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For the following organisms, choose the correct order of increasing trophic level. a. fungi, deer, wolf and grass b. fungi, grass, wolf and deer c. grass, deer, wolf and fungi d. grass, fungi, wolf and deer Please select the best answer from the choices provided A B C D
Answer: C) Grass, Deer, Wolf, Fungi
Explanation:
… it’s just the correct answer
Your Answer Should Be C: grass, deer, wolf and fungi
Hope This Help! :)
People with a healthy body image will NOT __________. A. set reasonable goals B. compliment themselves C. remember their inner qualities D. obsess about features Please select the best answer from the choices provided. A B C D
Answer:
C remember their inner qualities
which describes the life of a small farmer in colonial times
Answer:
They owned little landHorses were expensive but they needed them for transportationThe houses would have one - two rooms and floors were made of dirtThey worked every day of the week besides SundayThey had to work with their hands rather than machines like TodayHope this Helps