Questions and answers by

trippie

Questions (1,672)

Which phrase describes evidence? (1 point)a statement put forth in support of an argument an opinion formed based on facts
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Solve the following system of equations using substitution. What is the value of y?2x + 3y = 105 x + 2y = 65 (1 point) 15 25 40
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The yearbook club is having a bake sale to raise money for the senior class. Large cupcakes are sold for $1.25 each and small
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The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y,
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Multiple Choice For the following system of equations, what is the x-value of the solution?-x + 2y = 6 6y = x + 18 (1 point) -18
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Which cannot describe a system of linear equations?(1 point) no solution exactly two solutions infinite solutions exactly one
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How many solutions does this system have?2x + y = 3 6x = 9-3y (1 point) one none infinite two
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Multiple ChoiceWhich best describes a system of equations that has no solution? (1 point) consistent, independent inconsistent,
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The starting products of a chemical reaction are 92.6g of Hg and 7.4g of oxygen (O) gas. A scientist hypothesizes that the mass
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The pH scale shows whether a compound is acidic, basic, or neutral. Sodium chloride, which is table salt, is neutral. Neutral
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In which state of matter are the particles able to move the most freely?* solid liquid gas mixture
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Alison mixes baking soda and vinegar in a clear glass container. She places a blue balloon over the mouth of the container.
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How might you separate the salt from a bucket of ocean water?* Filter it Let it settle out Boil off the water Separate with a
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Gallium is a metal. If you hold a solid piece of pure gallium in your hand, your body warmth will melt the gallium. What is this
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An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?* 85 125 210 295
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Matter can undergo physical and chemical changes. A physical change is a change of matter from one form to another without a
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A metal coin has certain properties that can be measured. Which property of a coin is different on the moon than it is on Earth?
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The Law of Conservation of Mass states "Mass cannot be created or destroyed, only transformed."Considering the Law of
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Sean fell while riding his green bicycle last year. He bent the fender and scratched the paint down to the metal. Sean’s
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A magnet was placed near a pile that contained both iron and sulfur. The magnet was moved gradually closer to the pile. As it
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In health class, Savannah is learning about making healthy food choices. For a lesson on digestive health, her teacher asks
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Heather and Nicholas are baking cookies for a charity bake sale. First they bake gingersnaps, which are Heather's favorite
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Solve for t.5t = 70
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Solve for j.j − 40 = –28
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Fill in the blank: The total kinetic energy of all the particles _______________ when we increase the temperature of the gas
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True or false: synthetic materials can be made from natural resources.* True False
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Which statement best describes volume?* the measure of the amount of matter in an object the measure of the amount of matter in
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2. 100 views
Fill in the blank: If you add more particles to a sample, the total kinetic energy increases and the temperature ___________.*
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The mass of an object on Earth is 1000kg. What is the mass of this object on the moon?* less than 1000kg more than 1000kg 1000kg
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2. 92 views
Fill in the blank: Temperature is a measurement of the ____________ kinetic energy of the particles in a sample of matter.*
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What happens to particles as their temperature increases?* a.The particles move slower b.The particles move faster c.The
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2. 140 views
Which state of matter has the most energy?* a.gas b.liquid c.mixture d.solid
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2. 43 views
Weight is a measurement of the force of __________ on an object.* a.density b.mass c.velocity d.gravity
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What two measurements make up density?* a.mass and volume b.temperature and mass c.volume and kinetic energy d.volume and weight
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A measure of how much matter an object has is___________.* a.weight b.gravity c.mass d.volume
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Why are trees considered a natural resource?* a.They are living things. b.They grow back if they are cut down. c.They are used
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When ice sits on the counter it will melt. Choose the choice below that explains why this happens.* a.The ice gained mass b.The
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It is impossible to directly measure some properties of an object. Which of these properties CANNOT be measured directly?*
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The United States experienced a recession that lasted for more than a year in the late 2000s. How did this recession most likely
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What would be a good economic strategy for an area with tropical weather but few skilled workers?(1 point) focus on growing
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2. 160 views
How does division of labor affect the final product?(1 point) lower price, lower quality lower price, higher quality higher
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Which event would benefit toy producers rather than toy consumers? (1 point)A natural resource increases in price. A toy becomes
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How does the proportion of carbon dioxide in the atmosphere differ between Earth and Venus? (1 point)Venus's atmosphere has a
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If the proportion of carbon dioxide in Earth's atmosphere decreased significantly but the amount of atmosphere and the
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Which percent of Earth's atmosphere does carbon dioxide gas make up? (1 point)about 78 percent more than 99 percent less than 1
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Why is it important to use credible sources when writing an argument? (1 point)to make an argument more debatable to make an
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Which sentence describes a relevant source? (1 point)It is created by a government agency or university. It contains information
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When supporting a claim, which phrase describes a credible source?one that includes an opposing claim one that contains opinions
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Which is one criterion a writer should use when evaluating a source? (1 point)how interesting it is how realistic it is its
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Which of these would most likely be a feature of a free trade agreement?(1 point) removing tariffs from imported goods raising
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How does free trade affect the United States? Select all that apply.(1 point) lower prices decreased wages higher farm profits
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What would an economist expect if the negative incentives for bad behavior in a school became stricter?(1 point) Students would
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Which of the following is one of the three basic economic questions?(1 point) For whom to produce? How many units to produce?
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Kevin decides to go straight to work after high school instead of going to college. What is the most likely long-term
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Which of these is the most likely opportunity cost of choosing to play a board game rather than going to the movies?(1 point)
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Which phrase best defines scarcity?(1 point) a state in which productive resources are not enough to create a given good or
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How are capital resources used in production?(1 point) They allow producers better access to world markets. They make it
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A sports medicine major wanted to conduct an experiment to determine if there is a correlation between the members of the soccer
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You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for yourda
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Describe how the graphs of y=x and y = x+2| are related.(1 point) The two graphs have the same shape but the second graph is
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Write the equation of a line that is perpendicular to the given line and that passes through the given point.8 y-3= 3(x+2); (-2,
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Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.1 y=-x =-x+10 -2x + 8y = 6 (1 point) O
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Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.y = -4x + 3 -2x + 8y = 5 (1 point) O
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2. 73 views
Write an equation for the line that is parallel to the given line and passes through the given point.y = 3x + 7; (2, 10) (1
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2. 39 views
2 Write y = 3x +7 in standard form using integers.(1 point) 2x + 3y = 21 3x - 2y = 21 -2x-3y = 21 -2x + 3y = 7
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2. 68 views
The table shows the height of a plant as it grows. Which equation in point-slope form gives the plant's height at any time?Time
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Write an equation in point-slope form for the line through the given point with the given slope.5 (-10,-6); m=- (1 point) 5
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Write an equation in point-slope form for the line through the given point with the given slope.(8, 3); m = 6 (1 point)
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What is the slope of the line that passes through the pair of points (1, 7) and (10, 1)? (1 point)3-2 0- 2-3 0- 3-2 2-3
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2. 35 views
The table shows the number of miles driven over time.Time (hours) Distance (miles) 4 6 8 204 306 408 10 510 Express the
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2. 97 views
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.X y 40 32 28 16
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2. 109 views
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.X 8 y 13 16 26 24
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2. 174 views
A student is organizing their evidence for an argument about increasing the number of bike lanes throughout their town. One of
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A student is writing a persuasive paper trying to convince the local city council to increase the number of bike lanes. Which
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When deciding how to organize a persuasive text, which should come first in the text?A.an opposing claim B.the most important
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2. 107 views
Which phrase means to organize evidence logically in a persuasive text? (1 point)to put the least important piece of evidence
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2. 166 views
In between the two main groups of planets of the solar system, there is a vast belt of billions of asteroids. What are these
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Why is Venus the hottest solar system planet? (1 point)a.It has a core, a mantle, and a crust. b.It has abundance of nitrogen
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Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres
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The freedom of speech, freedom of religion, freedom of the press, and the right to peaceful assembly is found in which
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How many states must agree to a new amendment before it is added to the Constitution?a.Simple majority b.2/3 c.3/4
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Each house of Congress must pass a new constitutional amendment with what vote?a.Simple majority b.2/3 c.3/4
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A separate executive, legislative, and judicial branch is an example of wha concept?a.Separation of powers b.Federalism
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What is the Bill of Rights? *a.The amount of money the national government had to pay for the Constitution. b.A list of
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The Anti-Federalists wanted what major change to the Constitution? *A Bill of Rights A stronger national government Only one
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The agreement that each state, regardless of size, would have two senators is part of which compromise?Great Compromise 3/5
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Which of the following was a major problem of the Articles of Confederation?States had too little power. The national government
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Many African Americans and some white colonists hoped that a Patriot victory in the Revolutionary War would end what horrible
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Why did the French decide to help the colonists fight the British?A.France previously tried to help the British fight the
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Which of the following is a reason why the colonists declared independence?* 1 point The colonists believed that all people
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Which of the following is a reason why the colonists declared independence?a.The colonists did not like that King George was
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What was the purpose of the Olive Branch Petition?a.The colonists wanted to end fighting and have the British repeal the
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What was the purpose of the Olive Branch Petition?* 1 point The colonists wanted to end fighting and have the British repeal the
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The first battles of the Revolutionary War were fought at which two cities?a.New York and Boston b.Lexington and Concord
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The first battles of the Revolutionary War were fought at which two cities?a.New York and Boston b.Lexington and Concord
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Why did the Patriot John Adams defend the British soldiers involved in the Boston Massacre?A. Adams thought the British had
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What was the Stamp Act?A. A British tax on colonial legal documents. B. A colonial tax on British legal documents. C. A British
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Who gained control of Florida after the French and Indian War?A.The Native peoples B.The French C.The British
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Why did British colonists want to expand into the Ohio Valley?A.There were large amounts of natural resources there. B.They
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How were the governors of Rhode Island and Connecticut chosen?A. They were appointed by the King. B. They were appointed by the
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2. 105 views