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d

Questions (1,650)

x^2 - 12x +20 /x-2
1. 1 answer
2. 14 views
Simplify 8x^8 - 8x^2 -28x/4x
1. 1 answer
2. 13 views
-5x^6(3x^2 - 12x +30)
1. 1 answer
2. 11 views
(4x + 1)(5x - 2)
1. 1 answer
2. 12 views
(1 point)Responses
1. 1 answer
2. 13 views
How many terms are in the following polynomial?3x^3 - 2y + 8x - 16 4 4 3 3 1 1 -16
1. 1 answer
2. 17 views
Which of the following are examples of the like terms?2 and 2x 2 and 2x x and y x and y -3x and 3x -3x and 3x
1. 1 answer
2. 9 views
What is the correct name of the following3x + 5y^2 - 3
1. 3 answers
2. 16 views
Find the difference(3 - 2x + 2x^2) - (4x -5 +3x^2)
1. 1 answer
2. 13 views
find the sum(2x^2 + 5x - 7) + (3 - 4x^2 + 6x)
1. 1 answer
2. 19 views
Use the long division method to find the result when x, cubed, plus, 9, x, squared, plus, 21, x, plus, 9x3 +9x 2 +21x+9 is
1. 1 answer
2. 24 views
Use the long division method to find the result when 3, x, cubed, plus, 8, x, squared, plus, 8, x, plus, 53x3 +8x 2 +8x+5 is
1. 1 answer
2. 48 views
Use the long division method to find the result when 3, x, cubed, plus, 2, x, squared, minus, 18, x, plus, 93x3 +2x 2 −18x+9
1. 1 answer
2. 31 views
Use the long division method to find the result when 6, x, cubed, minus, 11, x, squared, minus, 26, x, plus, 156x3 −11x 2
1. 1 answer
2. 46 views
Use the long division method to find the result when 4, x, cubed, plus, 10, x, squared, plus, 14, x, plus, 54x3 +10x 2 +14x+5 is
1. 1 answer
2. 30 views
Find the quotient of 20, t, to the power 4 , minus, 12, t, cubed, plus, 8, t, squared20t4 −12t 3 +8t 2 divided by 4, t,
1. 1 answer
2. 27 views
Simplify: start fraction, 15, s, to the power 4 , plus, 9, s, cubed, minus, 21, s, squared, minus, 3, s, divided by, minus, 3,
1. 1 answer
2. 22 views
Find the quotient of 6, t, cubed, minus, 6, t, squared, plus, 12, t6t3 −6t 2 +12t divided by 22.
1. 1 answer
2. 22 views
Expand the expression to a polynomial in standard form:left parenthesis, 3, x, squared, minus, x, plus, 3, right parenthesis,
1. 1 answer
2. 21 views
Expand the expression to a polynomial in standard form:left parenthesis, 2, x, squared, minus, 5, x, plus, 1, right parenthesis,
1. 1 answer
2. 38 views
Expand the expression to a polynomial in standard form:left parenthesis, minus, x, plus, 4, right parenthesis, left parenthesis,
1. 1 answer
2. 24 views
Expand the expression to a polynomial in standard form:left parenthesis, 3, x, plus, 1, right parenthesis, left parenthesis, 3,
1. 1 answer
2. 17 views
If A, equals, p, squared, minus, 5, p, plus, 3A=p2 −5p+3 and B, equals, minus, 2, p, minus, 1, commaB=−2p−1, find an
1. 1 answer
2. 14 views
If C, equals, x, plus, 8C=x+8 and D, equals, 2, x, plus, 10, commaD=2x+10, find an expression that equals 2, C, plus, 3, D2C+3D
1. 1 answer
2. 28 views
If D, equals, 1, plus, 4, p, minus, 6, p, squaredD=1+4p−6p2 and C, equals, 1, minus, p, commaC=1−p, find an expression that
1. 1 answer
2. 14 views
Perform the operation.left parenthesis, minus, 4, x, squared, plus, 6, x, plus, 1, right parenthesis, plus, left parenthesis, 5,
1. 1 answer
2. 13 views
Perform the operation.left parenthesis, minus, x, squared, minus, 4, x, minus, 3, right parenthesis, plus, left parenthesis, x,
1. 1 answer
2. 30 views
The Story of an Hourby Kate Chopin Her fancy was running riot along those days ahead of her. Spring days, and summer days, and
1. 1 answer
2. 17 views
The Tell Tale Heartby Edgar Allen Poe True!—nervous—very, very dreadfully nervous I had been and am; but why will you say
1. 1 answer
2. 20 views
The Veteranby Stephen Crane A brave man named Henry Fleming is a veteran living in a village. He has an ungrateful grandson
1. 1 answer
2. 21 views
How does the author mainly develop the character of Carter Druse in this passage?(1 point) Responses by telling the story from a
1. 1 answer
2. 27 views
What is one general reason why the setting is important in a narrative?(1 point)Responses The setting helps create the mood of
1. 1 answer
2. 47 views
"We will have some capital hunting, you and I," said the general. "I shall be most glad to have your society."Why is this
1. 1 answer
2. 40 views
True!—nervous—very, very dreadfully nervous I had been and am; but why will you say that I am mad? The disease had sharpened
1. 1 answer
2. 15 views
There stood, facing the open window, a comfortable, roomy armchair. Into this she sank, pressed down by a physical exhaustion
1. 1 answer
2. 22 views
When she abandoned herself a little whispered word escaped her slightly parted lips. She said it over and over under her breath:
1. 1 answer
2. 19 views
Use the passage from “The Lady, or the Tiger?” to answer the question.How does the author simultaneously develop the themes
1. 1 answer
2. 48 views
Which term would most likely be used to describe an act of violence in which a government is overthrown?(1 point)Responses coup
1. 1 answer
2. 15 views
Mr. Rancho barked at us for a half hour after we kicked the ball over the fence and crushed one of his prized rosebushes.What
1. 1 answer
2. 20 views
QuestionWhat is the meaning of the word tone?(1 point) Responses a bitter expression that often means the opposite a bitter
1. 1 answer
2. 16 views
by James JoyceThe former tenant of our house, a priest, had died in the back drawing-room. Air, musty from having been long
1. 1 answer
2. 14 views
recess of half an hour was then taken, and some little caucusing followed. At the sound of the gavel the meeting reassembled,
1. 1 answer
2. 11 views
Use the equation to answer the question.10 6C→10 5B+ 0+1e A student claims that the equation models beta-minus decay because
1. 1 answer
2. 19 views
Use the equation to complete the activity.219 86Rn→215 84Po+42He The nuclear equation shows the transmutation of a form of
1. 1 answer
2. 10 views
Which option correctly compares beta decay and gamma decay?(1 point)Responses Beta decay only reduces the energy level, while
1. 1 answer
2. 35 views
Which statement best describes alpha decay?(1 point)Responses After the ejection of an alpha particle, the remaining nucleus has
1. 1 answer
2. 19 views
An alpha particle is equivalent to the nucleus of an atom of which element?(1 point)Responses carbon carbon helium helium
1. 1 answer
2. 14 views
In which type of radioactive decay does the nucleus become more stable without changing its identity?(1 point)Responses gamma
1. 1 answer
2. 18 views
Which statement best describes the process of alpha decay?(1 point)Responses An unstable nucleus releases an electron. An
1. 1 answer
2. 34 views
Which statement best describes the charges of the particles involved?(1 point) Responses A neutral particle is striking a
1. 1 answer
2. 21 views
How is fission different from a simple chemical reaction?(1 point)Responses Fission can happen with radioactive forms of atoms.
1. 1 answer
2. 18 views
In nuclear reactions, information about the nuclei that take place in the reaction and the nuclei that are produced can be
1. 1 answer
2. 16 views
Which of these is true for a nuclear fusion reaction?(1 point)Responses The atomic number of the product is the sum of the
1. 1 answer
2. 22 views
How is fusion different from a simple chemical reaction?(1 point)Responses The atoms are bound to each other by electrons in a
1. 1 answer
2. 22 views
Which option would be an appropriate model of nuclear fusion?(1 point)Responses putting a puzzle together putting a puzzle
1. 1 answer
2. 18 views
Which phrase describes radioactive decay?(1 point)Responses the splitting of a large nucleus into smaller nuclei the splitting
1. 1 answer
2. 20 views
Why does the emission of an alpha particle always result in transmutation?(1 point)Responses The number of protons in the atom
1. 1 answer
2. 12 views
Considering both sides of the equation representing a nuclear reaction, which is the same before and after the reaction?(1
1. 1 answer
2. 13 views
The Tell Tale Heartby Edgar Allen Poe True!—nervous—very, very dreadfully nervous I had been and am; but why will you say
1. 1 answer
2. 20 views
Cannibalism in the Carsby Mark Twain He was gone. I never felt so stunned, so distressed, so bewildered in my life. But in my
1. 1 answer
2. 14 views
A brave man named Henry Fleming is a veteran living in a village. He has an ungrateful grandson named Jimmie. After Henry admits
1. 1 answer
2. 16 views
by Stephen CraneA brave man named Henry Fleming is a veteran living in a village. He has an ungrateful grandson named Jimmie.
1. 1 answer
2. 22 views
A Horseman in the Skyby Ambrose Bierce The sleeping sentinel in the clump of laurel was a young Virginian named Carter Druse. He
1. 1 answer
2. 28 views
What is one general reason why the setting is important in a narrative?(1 point)Responses The setting forms unbreakable bonds
1. 1 answer
2. 29 views
"We will have some capital hunting, you and I," said the general. "I shall be most glad to have your society."Why is this
1. 1 answer
2. 49 views
True!—nervous—very, very dreadfully nervous I had been and am; but why will you say that I am mad? The disease had sharpened
1. 1 answer
2. 27 views
There stood, facing the open window, a comfortable, roomy armchair. Into this she sank, pressed down by a physical exhaustion
1. 1 answer
2. 21 views
When she abandoned herself a little whispered word escaped her slightly parted lips. She said it over and over under her breath:
1. 1 answer
2. 17 views
Use the passage from “The Lady, or the Tiger?” to answer the question.How does the author simultaneously develop the themes
1. 1 answer
2. 47 views
Which term would most likely be used to describe an act of violence in which a government is overthrown?(1 point)Responses coup
1. 1 answer
2. 19 views
Mr. Rancho barked at us for a half hour after we kicked the ball over the fence and crushed one of his prized rosebushes.What
1. 1 answer
2. 30 views
What is the meaning of the word tone?(1 point)Responses the feeling a word evokes the feeling a word evokes the words writers
1. 1 answer
2. 26 views
Arabyby James Joyce The former tenant of our house, a priest, had died in the back drawing-room. Air, musty from having been
1. 1 answer
2. 21 views
Cannibalism in the Carsby Mark Twain “A recess of half an hour was then taken, and some little caucusing followed. At the
1. 1 answer
2. 18 views
Medellín is located near the _______ Mountains.(1 point) Responses Andes Andes Pyrenees Pyrenees Sierra Nevada Sierra Nevada
1. 1 answer
2. 25 views
Mi mamá fue al supermercado y yo tengo que _____ mi hermano.(1 point) Responses echar una carta echar una carta ir a pie ir a
1. 1 answer
2. 16 views
Which of the following items can you buy at el correo?(1 point) Responses el jabón el jabón el sello el sello la pasta dental
1. 1 answer
2. 19 views
Which statement correctly classifies gamma emission?(1 point)Responses Gamma emission is a type of radioactive decay that is
1. 1 answer
2. 17 views
Is beta decay a form of nuclear fission?(1 point)Responses No, it is not because the mass number does not change. No, it is not
1. 1 answer
2. 27 views
An unstable nucleus undergoes gamma decay. How does the nucleus change?(1 point)Responses It becomes more stable by emitting
1. 1 answer
2. 21 views
How does the nucleus change in beta-plus decay?(1 point)Responses The mass number remains the same, and the atomic number
1. 1 answer
2. 20 views
146C→147N+0−1eWhich type of radioactive decay does the equation model? (1 point) Responses gamma decay gamma decay beta-plus
1. 1 answer
2. 37 views
The Veteranby Stephen Crane Out of the low window could be seen three hickory trees placed irregularly in a meadow that was
1. 1 answer
2. 24 views
4 of 54 of 5 ItemsFeature The Veteran by Stephen Crane Out of the low window could be seen three hickory trees placed
1. 1 answer
2. 15 views
What are the characteristics of an objective summary?(1 point)Responses It withholds any personal judgments or opinions. It
1. 3 answers
2. 20 views
What is a summary?(1 point)Responses A listing of the major works by an author. A listing of the major works by an author. A
1. 1 answer
2. 23 views
Which of the following is the incorrect comma usage?* 1 point I like swimming, which is a highly recommended form of exercise.
1. 1 answer
2. 24 views
Which change will always take place during nuclear fission?(1 point)Responses A nucleus will take in energy in large amounts,
1. 1 answer
2. 21 views
QuestionA student writes out an equation to represent a fission reaction. How can the student check that the equation is
1. 1 answer
2. 16 views
It is possible to make a model of a fission chain reaction with mousetraps and table tennis balls, with the balls placed on an
1. 1 answer
2. 23 views
A neutron strikes an atom of uranium-235 to start a fission reaction. A student expresses this situation as 01n+235 92U. Which
1. 1 answer
2. 21 views
Which fact is true during a fission chain reaction?(1 point)Responses The total number of protons will decrease over time. The
1. 1 answer
2. 19 views
QuestionWhich change will always take place in nuclear fusion?(1 point) Responses A nucleus with a greater mass than any of the
1. 1 answer
2. 23 views
How is the mass number calculated for an atom involved in nuclear fusion?(1 point)Responses It is the number of protons plus
1. 1 answer
2. 31 views
Why would pushing the south pole of two magnets together provide a good model for the fusion of two hydrogen nuclei?(1 point)Res
1. 1 answer
2. 24 views
Use the equation to answer the question.21H+ 21H→ 42H+energy Which statement best describes the mass numbers of the atoms in
1. 1 answer
2. 24 views
Which statement is always true when nuclear fusion occurs?(1 point)Responses The number of protons in the resulting nucleus is
1. 1 answer
2. 19 views
Caleb overhears his dad on a business call mentioning “the market” several times. When his dad hangs up, Caleb asks him if
1. 1 answer
2. 32 views
Lance lives in a country where the centralized government controls all (or most) of the resources in addition to making the
1. 1 answer
2. 25 views
Which statement best explains why mass is not conserved in a nuclear change?(1 point)Responses Some of the atoms are lost in the
1. 1 answer
2. 38 views