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Questions (173)
(-8y-9)°
1 answer
18 views
Solve: Turn off Show summary. Use the Choose reaction drop down menu to see other equations, and balance them. Check your
1 answer
52 views
Practice: Balance the following chemical equations. (These equations are not in the Gizmo.)
A. Na + Cl2 🡪 NaCl B. Na + H2O
1 answer
55 views
One reactant is broken down into two or more products
1 answer
20 views
A fuel combines with oxygen to produce carbon dioxide (CO2) and water (H2O).
1 answer
21 views
A fuel combines with oxygen to produce carbon dioxide (CO2) and water (H2O).
what is it called?
1 answer
20 views
Two or more reactants combine to form one product.
what is it called?
1 answer
56 views
Two compounds react to form two different compounds.
what is it called?
1 answer
40 views
Practice: Balance each of the chemical equations below. (Some equations may already be in balance.) In the space to the right,
1 answer
64 views
Marco is trying to determine whether the following two lines are parallel. y=23x+7y=23x+7 y=23x−5y=23x−5 Which statement
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81 views
Krystina is trying to derive the slope of a line with coordinates (6,−2)(6,−2) and (0,8)(0,8) using the formula
1 answer
67 views
Use the table to answer the question. Line Equation Line AA y=2x−3y=2x−3 Line BB y=2x+5y=2x+5 Line CC
1 answer
91 views
Huy is working on a proof that consecutive interior angles are supplementary. Statement Reason 1.
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45 views
DE¯¯¯¯¯¯¯¯DE¯ is a perpendicular bisector of FG¯¯¯¯¯¯¯¯FG¯ , and they intersect at point H. Which of the
1 answer
95 views
Consider the following proof. What theorem is being proved? Given: Isosceles △ABC△ABC with
1 answer
87 views
The interior angle of point BB measures (3x−7)(3x−7) degrees and the interior angle of point DD measures (x+15)(x+15)
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22 views
Erik draws quadrilateral ABCDABCD . If side AB=40xAB=40x , side BC=4+3yBC=4+3y , side CD=8x+32CD=8x+32 , and side
1 answer
48 views
If quadrilateral WXYZWXYZ is a parallelogram, which segment of the figure must be congruent to segment ZV¯¯¯¯¯¯¯¯ZV¯ ?
1 answer
86 views
Given the rectangle ABCDABCD as shown, find the value for x if DO=4x+8DO=4x+8 and CO=15x−3CO=15x−3 . (1 point) x=x=
1 answer
47 views
Lines AC¯¯¯¯¯¯¯¯AC¯ and BD¯¯¯¯¯¯¯¯BD¯ are diagonals of ABCDABCD . What value of x makes ABCDABCD a rectangle
1 answer
26 views
In three to five sentences, predict the bonding activity between phosphorous and chlorine. Why do you think they would bond that
1 answer
51 views
When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water. Mg(OH)2+2HNO3→Mg(NO3)2+2H2O In one
1 answer
52 views
Methane (CH4) is a gas that is found in small quantities in Earth’s atmosphere. Which type of bonds does methane have, and why
1 answer
71 views
A chemical reaction produces formaldehyde, with a chemical formula of CH2O. Carbon is in Group 4A, oxygen is in Group 6A, and
1 answer
69 views
Use the reaction to complete the activity. KOH + HBr → KBr + H2O A student sets up a titration apparatus with 25 mL of
1 answer
63 views
Find the distance between the two points rounding to the nearest tenth (if necessary). left bracket, minus, 8, comma, 0, right
1 answer
31 views
What kind of interpretation is a Han Chinese scholar from the time of the Mongol Empire likely to give of Genghis Khan’s
1 answer
60 views
What is an example of a primary source a historian might use in a study of the negative effects of the Mongolian Empire on
1 answer
40 views
How did the Yuan dynasty differ from the Ilkhanate and Golden Horde?(1 point) Responses The Yuan dynasty relied on maritime
1 answer
44 views
What was most responsible for the spread of the bubonic plague across Eurasia?(1 point) Responses fleas fleas rats rats sailors
1 answer
61 views
Which statement best describes how Muscovy rose to power during Mongol rule?(1 point) Responses Princes from Muscovy allied with
1 answer
71 views
Which of the following illustrates how Ming China's decision to trade for silver affected its relationships with other Asian
1 answer
47 views
Which of the following best describes the outcome of the Opium Wars?(1 point) Responses The Opium Wars caused the creation of
1 answer
63 views
Which of the following best describes the influence of new forms of Buddhism in medieval Japan?(1 point) Responses Zen Buddhism
1 answer
48 views
What was the role of samurai in feudal Japan?(1 point) Responses Samurai owned most of the land in Japan, which gave them
1 answer
79 views
Suppose you developed a map with trade routes similar to the map shown. Why did silk traders use land-based trade routes more
1 answer
88 views
Using the map, which of the following summarizes Christopher Columbus’s and Vasco da Gama’s voyages? (1 point) Responses
1 answer
104 views
In addition to population growth, what caused inflation in European economies during the fifteenth century?(1 point) Responses
1 answer
47 views
Which of the following best explains why the price of spices in Europe imported by the Portuguese declined?(1 point) Responses
1 answer
58 views
Which of the following could be seen as an example of a cultural achievement of the Portuguese maritime empire?(1 point)
1 answer
62 views
Which was a request of Josiah Child’s “Brief Observations Concerning Trade and Interest of Money”?(1 point) Responses the
1 answer
52 views
Which of the following are two ways Europeans explained their rise to the forefront of global trade by the eighteenth century?(1
1 answer
58 views
In 3–5 sentences, analyze the similarities and differences of the long-term effects of the Mongol Empire on China, Russia, and
1 answer
58 views
In 3–5 sentences, analyze how overextension and fragmentation caused the collapse of the Mongol Empire.(4 points) don't use
1 answer
75 views
In 3–5 sentences, assess the extent to which the Ming Dynasty developed productive connections with other countries, and
1 answer
44 views
In 3–5 sentences, assess how successful Russian imperial methods of political control were.(4 points)dont use any sources and
1 answer
56 views
In 1–2 sentences, compare the development of maritime empires with the development of land-based empires in the fifteenth and
1 answer
29 views
Find the distance between the two points rounding to the nearest tenth (if necessary).
left bracket, 2, comma, 8, right bracket,
1 answer
41 views
Find the distance between the two points rounding to the nearest tenth (if necessary).
left bracket, 0, comma, minus, 9, right
1 answer
66 views
Triangle JKL, with vertices J(-7,-8), K(-4,-4), and L(-8,-2), is drawn inside a rectangle, as shown below.What is the area, in
1 answer
45 views
Find the midpoint of the segment with the following endpoints.
left bracket, 6, comma, 4, right bracket, and , left bracket, 0,
1 answer
20 views
Find the midpoint of the segment with the following endpoints.
left bracket, 3, comma, 1, right bracket, and , left bracket,
1 answer
17 views
Find the midpoint of the segment with the following endpoints.
left bracket, 6, comma, 7, right bracket, and , left bracket, 2,
1 answer
19 views
ind the midpoint of the segment with the following endpoints.
left bracket, 5, comma, 10, right bracket, and , left bracket, 2,
1 answer
17 views
The points W, left bracket, minus, 3, comma, minus, 3, right bracket, comma, X, left bracket, 0, comma, minus, 5, right bracket,
1 answer
13 views
Which of the following best describes the origins of the Reformation?(1 point) Responses Erasmus of Rotterdam and Martin Luther
1 answer
44 views
Which of the following primary sources would best help someone examine how the printing press and printed books influenced
1 answer
86 views
Which statement best summarizes the criticisms of the Catholic Church by Protestant reformers?(1 point) Responses Protestant
1 answer
78 views
The Tridentine Creed was declared by Pope Pius IV after the Council of Trent as a statement of church doctrine. Interpret the
1 answer
57 views
Which religious order developed out of the Council of Trent to be soldiers of God and defend the Catholic faith?(1 point)
1 answer
46 views
Explain how Renaissance humanists influenced the Scientific Revolution.(1 point) Responses Humanists were inspired by Islamic
1 answer
54 views
Which of the following explains how the scientific method changed values and beliefs over time?(1 point) Responses It treated
1 answer
63 views
Describe what hindered Galileo and Descartes in their work?(1 point) Responses the opinions of others the opinions of others the
4 answers
70 views
Which of the following explains how the Scientific Revolution influenced society?(1 point) Responses People wanted to be told
1 answer
60 views
Choose the letter of the word or phrase that best matches the underlined word. During the long spelling bee the young contestant
1 answer
106 views
Choose the letter of the word or phrase that best matches the underlined word. The invincible athlete won three gold medals. (1
1 answer
52 views
Choose the word or phrase that best matches the underlined word. Even though it was clear she did not understand the concepts,
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67 views
Choose the word or phrase that best matches the underlined word. The fashion show for celebrity impersonators was an
1 answer
66 views
Choose the word or phrase that best matches the underlined word. When the school's mascot danced up and down the hallway the
1 answer
50 views
Use the passage to answer the question. After reading "The Pin" the reader can conclude that the speaker is most likely someone
1 answer
151 views
Identify an Islamic influence on Renaissance literature.(1 point) Responses Islamic scholars wrote about ethics. Renaissance
1 answer
55 views
Analyze how increased access to literature affected people’s lives during the Renaissance.(1 point) Responses Increased access
1 answer
32 views
According to Freud, the __________ is the part of the psyche that we can access if prompted. (1 point) Responses subconscious
1 answer
65 views
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