Questions and answers by

pi

Questions (184)

The towers of St. Basil's Cathedral in Russia are symbolic of what events?
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The fact that all Incan architecture shares similar design principles suggest what Incan value?
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Solve for x: 3x−3=6x+18.(1 point)
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Solve for x : 13x+24=3x−26 .(1 point)x=
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Why did railroad leaders consolidate their lines in the 1880s?1. reduce competition and increase efficiency 2. to keep from
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2. 75 views
Lightning contains gamma rays. Based on the position of gamma rays in the electromagnetic spectrum, does lightning have more or
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Line segment AB%0D%0A%0D%0A%0D%0A has endpoints A (−6, 4)%0D%0A%0D%0A %0D%0A(%0D%0A−%0D%0A6%0D%0A,%0D%0A
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How would you describe the effect on the coordinates of the vertices of a figure that is translated to the left 6 units and up 5
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True or False%0D%0A%0D%0AWastes from household, industrial, and agricultural sources can cause water pollution.%0D%0A(1
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9 of 129 of 12 Items%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AQuestion%0D%0ATrue
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Claim: Children should attend school for more days of the year but for less time each day. %0D%0A%0D%0AOpposing Argument: A
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Juan graphed a line with a slope of −23 .How does Juan count the slope from any point on the graph?
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2. 53 views
Subtract.−3−6−(−1) Plot the solution on the number line.
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Line A has a slope of −3 . Line B has a slope of 4. Line C has a slope of 2.Which line is closest to being horizontal?
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Line A has a slope of −3 . Line B has a slope of 4. Line C has a slope of 2.Which line is closest to being horizontal?
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Which part of the nervous system connects the central nervous system to all parts of the body?
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Which disorder causes damage to the protective coating on some of the nerves found in the nervous system?
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Which part of the nervous system is made up of cells that send and receive tiny electrical charges?
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Why did J.K Rowling lead an inspirational life?
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write a paragraph of three things J.K Rowling is inspirational for
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What is true of a saturated solution?Responses No more solvent can be dissolved. No more solvent can be dissolved. No more
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2. 109 views
express 3x + 4y = 24 in slope-intercept form.
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How may dreaming help the nervous system?Responses Nerves only regrow when someone dreams. Nerves only regrow when someone
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Which equation is balanced?Responses 2Al+3F2→2AlF3 2 upper case A lower case l plus 3 upper case F subscript 2 end subscript
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2. 101 views
Consider the equation:Ca+O2→CaO What needs to be done in order to balance the equation? Responses Place a 2 in front of the
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Consider the equation:CH4+O2→2H2O+CO2 Which element or elements are unbalanced in this equation? Responses Both Hand Oare
1. 1 answer
2. 94 views
What does the law of conservation of mass state?Responses Mass can be destroyed but not created during a chemical reaction. Mass
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2. 75 views
Which equation is balanced?Responses Mg+O2→2MgO upper case M lower case G plus upper case O subscript 2 end subscript
1. 1 answer
2. 133 views
What needs to be done in order to balance this equation?HCl + Ba → BaCl2 + H2 Responses It is already balanced. It is already
1. 1 answer
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Which element or elements are unbalanced in this equation?Fe2O3 + 3 CO → Fe + 3 CO2 Responses C and O are both unbalanced
1. 1 answer
2. 93 views
Why is it important to balance a chemical equation?Responses to make sure you have the correct products to make sure you have
1. 1 answer
2. 87 views
How can the rate of a reaction be decreased?Responses adding a catalyst adding a catalyst raising the temperature raising the
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QuestionHow can the rate of a reaction be increased? Responses having a lower concentration of reactants having a lower
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Which statement about reaction rates is true?Responses Changing the surface area affects the reaction rate. Changing the surface
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Which statement is the best description of a chemical reaction?Responses mixing two substances mixing two substances the
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In which reaction is energy released?Responses no reactions no reactions all reactions all reactions exothermic reactions
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Which statement accurately describes a chemical reaction?Responses Reactants combine to form products. Reactants combine to form
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What has occurred if an increase in temperature accompanies a reaction?Responses Energy was released. Energy was released.
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Which piece of evidence is an indication that a chemical reaction has occurred?Responses melting of a substance melting of a
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Where are nonmetals located in the periodic table?Responses along the upper left side along the upper left side along the upper
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2. 58 views
Which statement best describes why a chemical change is different from a physical change?Responses A chemical change is used by
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Which property is a physical property?Responses easy to digest easy to digest becomes moldy quickly becomes moldy quickly does
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Read this passage from I Know Why the Caged Bird Sings:...some people, unable to go to school, were more educated and even more
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Part B - Points depend on a correct response in Part A.Which sentence from I Know Why the Caged Bird Sings best supports the
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Part AWhat inference can be made about Mrs. Flowers in I Know Why the Caged Bird Sings? Responses She is pleasant, but serious,
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What is one central idea of Barrio Boy?Responses Those in power must be respected and obeyed. Those in power must be respected
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Read this passage from I Know Why the Caged Bird Sings.Mrs. Bertha Flowers was the aristocrat of Black Stamps. She had the grace
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What is Maya Angelou's purpose for writing I Know Why the Caged Bird Sings?Responses to inform readers about events in her early
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Part AWhich inference can be made about the author's experiences in "Barrio Boy?" Responses The author finds his classmates
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What is one central idea of I Know Why the Caged Bird Sings?Responses It is foolish and selfish to long for more than you
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Which two statements from the text best support the answer in Part A?Responses “By far the larger part of the slaves know as
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Part AWhich statement is a central idea in Chapter I and II of Narrative of the Life of Frederick Douglass? Responses Enslaved
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Read this quotation from Narrative of the Life of Frederick Douglass.Master . . . was not a humane slaveholder. It required
1. 1 answer
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Read this passage from Narrative of the Life of Frederick Douglass.If the lineal descendants of Ham are alone to be scripturally
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Why does Frederick Douglass describe the distant relationship he had with his mother?Responses to demonstrate how well he
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Which of these is a covalent compound?Responses LiCl upper case L lower case i upper case C lower case l, MgO upper case M lower
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What symbol is used to separate the products from each other or the reactants from each other in a chemical reaction?Responses
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In the formula for water (H2O), what does the lack of a subscript after the O indicate?Responses There is one molecule in the
1. 1 answer
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Which formula contains two non-metals?Responses BaO upper case B lower case A upper case O NaBr upper case N lower case A upper
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Which pair of elements will form an ionic bond?Responses carbon and chlorine carbon and chlorine carbon and oxygen carbon and
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The equation y = 43x represents the number of miles Alicia drives over time, where y is the number of miles and x is time in
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2. 100 views
Relationship A has a lesser rate than Relationship B. This table represents Relationship B.Hours worked 2 4 5 8 Amount paid ($)
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Relationship B has a greater rate than Relationship A. This graph represents Relationship A.Which equations could represent
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The graph shows the relationship between the distance a truck can travel and the amount of gasoline used.What is the unit rate
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2. 90 views
QuestionThis table represents equivalent ratios. What are the values of a and b? Responses a = 6 , b = 12 a, = 6 , , b, = 12 a =
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2. 60 views
Which table represents a proportional relationship?Responses x 1 2 3 4 5 y 4 5 6 7 8 x 1 2 3 4 5 y 4 5 6 7 8 r 2 3 4 5 6 s 3 5 6
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This table represents a proportional relationship.What are the missing values in the table? Drag and drop the numbers into the
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2. 141 views
Do the values in this table represent a proportional relationship?x 2 4 6 8 y 1 2 3 4 Responses Yes, and the constant of
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2. 155 views
What is the slope of the line whose equation is 2x−4y=10?
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What is the slope of the line passing through the points (0, 4) and (−8, −1)?
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What is the slope of the line passing through the points (−1, 3) and (4, −7)?Responses −2 negative 2 −43 negative 4
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Solve.2+4y=y−7 Responses y=−13 y equals negative 1 third y=−1 y equals negative 1 y=−3 y equals negative 3 I don't know.
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Solve.2+4y=y−7
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Solve.−3x+4=6+5x
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The graph of a proportional relationship passes through the point (5, 2) .What is the constant of proportionality of the
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What is the constant of proportionality in the proportional relationship y=4/5x ?Responses 4/5 4 over 5 4 4 5 5 I don't know.
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Lesson 4 explains Steve Jobs’ story to success and says that after a huge success came struggle. Discuss a time in your life
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Which describes the Pilgrims' first winter at Plymouth?Responses cold, starvation, help from Squanto and other Indians cold,
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Why was the Virginia Charter important?Responses It set the boundary between Virginia and Maryland. It set the boundary between
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Terrible cold and starvation. Only help from Squanto and other Native Americans saved them. Who does this describe?
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Which was the first representative assembly in the European colonies?
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What is one central idea of I Know Why the Caged Bird Sings?Responses It is foolish and selfish to long for more than you
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2. 75 views
Leaders often see the world from a big-picture perspective.Question 12 options: True False
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You can't keep moving toward your goal without all of the moving parts working well.Question 6 options: True False
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Someone with good communication skills will speak at a volume and a pace that matches the __________________.Question 2 options:
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Carefully read each definition and match the correct term with the correct number definition.Question 1 options: Cancellous bone
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What is the x-intercept of this equation?5x - 4y = 20 responses y = -5 5x = 20 + 4y x = 4 -4y = 20 - 5x
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What is the x-intercept of this equation?5x - 4y = 20
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What is the x-intercept of the line with this equation −2x+1/2 y=18?
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Which ordered pairs in the form (x, y) are solutions to the equation7x−5y=28? Select each correct answer. Responses (7, 9)
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Which option is an example of a chemical change?Responses cutting bread cutting bread digesting a sandwich digesting a sandwich
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Which option is an example of a physical change?Responses baking a cake baking a cake grinding pepper grinding pepper toasting
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What does the release or absorption of energy indicate?Responses physical and chemical changes physical and chemical changes
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Which property is a chemical property of a substance?Responses color color density density boiling point boiling point
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How did J.K. Rowling come up with the idea for the Harry Potter series?
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As I conducted my research, some related questions that came to mind were:1. How did J.K. Rowling manage to balance her writing
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There are many highly successful people who have overcome huge obstacles to reach success. Some had difficult childhoods, others
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For this activity, you will conduct a web search of two to three highly successful individuals of your choice. Research their
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For this activity, you will conduct a web search of two to three highly successful individuals of your choice. Research their
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What is the value of the expression 1/2(m−2/3n) when m=3/2 and n=1/2 ?Responses 5/12 5 over 12 7/12 7 over 12 11/12
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