Questions and answers by

54t4n45

Questions (648)

Parallel light waves bounce off a smooth surface. Which behavior of light does this describe?(1 point)Responses diffraction
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QuestionWhich defines a concave mirror?(1 point) Responses A concave mirror curves outward with the edges of the mirror pointing
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QuestionWhich of these best describes the relationship between the incident ray, the reflected ray, and the normal for a curved
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Themes and Archetypes Quick Check5 of 55 of 5 Items Feature The Raven by Edgar Allan Poe Then this ebony bird beguiling my sad
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Themes and Archetypes Quick Check4 of 54 of 5 Items Feature The Raven by Edgar Allan Poe Open here I flung the shutter, when,
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QuestionWhat is the definition of the word allusion?(1 point) Responses something that stands for something else something that
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Themes and Archetypes Quick Check1 of 51 of 5 Items Feature The Metamorphoses by Ovid THE Hæmonian mothers and aged fathers
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A bank uses an automated function in which a customer’s accounts will lock if they owe more than $100. Consider an equation
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A teacher notices a correlation between students’ scores on homework assignments and their scores on corresponding quizzes.
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QuestionA new high school opened in 2018 with an initial enrollment of 1,500 students. The number of students attending, S ,
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A scientist is growing cells in a petri dish. Which of the following equations could model the number of cells in the petri dish
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The function y=128−8xmodels the amount of water, in ounces, left in Tariq’s water jug after pouring x servings of water.
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In 1–2 sentences, describe a setup of pith balls that have negative charges and are hanging from the same point.(2 points)In
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What is the function of the core of an electromagnet?(1 point)Responses The core is the part that becomes magnetized. The core
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Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. What is the function of electric current in his
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Which is an example of a load in an electric circuit?(1 point)Responses wiring wiring 9-volt battery 9-volt battery speaker
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Non-Contact Forces Unit Test5 of 145 of 14 Items Question How does a flashlight illustrate the Law of Conservation of Energy? (1
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The resistance in a circuit is halved. What happens to the voltage?only answers i gave V=IR (1 point) Responses The voltage is
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The resistance in a circuit is halved. What happens to the voltage?V=IR (1 point) Responses The voltage is doubled. The voltage
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Sally puts on wool socks and rubs her feet on a nylon carpet. How does static electricity build up in Sally?(1 point)Responses
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A group of students sets up an electric circuit with wires, a battery, and a light bulb. Why is their circuit called a direct
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Non-Contact Forces Unit Test1 of 141 of 14 Items Question Which statement about electric charges is correct?(1 point) Responses
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Which statement about electric charges is correct?(1 point)Responses An object with a negative charge and an object with a
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What did people rely on rivers for during the eighteenth century? Select the three correct answers.(2 points)Responses
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Use the topographical map to answer the question.A map of an unidentified piece of land is shown with rivers running across it.
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Why did George Washington support the construction of canals on the James River near Richmond?(1 point)Responses The canals
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Which of the following is a result of increased evaporation? Select the three correct answers.(2 points)Responses increased sea
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Human Activity and Water Quiz2 of 72 of 7 Items Question As people pump water out of the ground, the water table can lower.
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QuestionWhich of the following activities contain hidden water usage? Select the three correct answers.(2 points) Responses
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Which of the following describe a way climate change makes droughts more extreme? Choose the three correct answers.(2 points)Res
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QuestionHow does a maglev train move forward?(1 point) Responses Magnets behind the train constantly push magnets in the train
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What causes a maglev train to hover above the track?(1 point)Responses electric current electric current repellant magnetic
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QuestionWhich is the best description of how to build an electromagnet?(1 point) Responses Attach a wire to one end of a
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Which statement about electromagnets is correct?(1 point)Responses A north pole and a south pole attract each other. A north
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What creates the magnetic force in an electromagnet?(1 point)Responses battery battery electric current electric current iron or
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Availability of Water Quick Check4 of 44 of 4 Items Question Which of the following happens to water resources as the population
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How does saltwater intrusion impact the water supply? Select the two correct answers.(1 point)Responses It causes saltwater to
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QuestionWhat percentage of Earth's water is fresh water?(1 point) Responses 70% 70% 0.3% 0.3% 2.5% 2.5% 97%
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Which is a cause of drought?(1 point)Responses low water demand low water demand low precipitation levels low precipitation
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Use the poster to answer the question.Source: Everett Collection, Inc. / Alamy Stock Photo What is the main purpose of this
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Two Media Quick Check4 of 54 of 5 Items Question Use the poster to answer the question. A movie poster for 12 Angry Men. Source:
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QuestionWhat is the definition of the word tone?(1 point) Responses the setting or background of a work of art the setting or
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Which is an example of an artistic medium?(1 point)Responses a journalist a journalist oil painting oil painting a filmmaker a
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What is the definition of the word medium?(1 point)Responses the underlying feeling or atmosphere in a work of art the
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In 3–5 sentences, describe the process for establishing the inverse of a logarithmic function and what will be the resulting
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In one to two sentences, describe the geometric relationship between f(x)=30xand g(x)=log30x as it would be represented on a
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ns Unit Test19 of 2119 of 21 Items Question In 3–5 sentences, explain how to approximate log2⋅log3 to four decimal places.(4
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The intersection of f(x)and g(x) is the point (0.3,9.5) . What is the solution of the equation f(x)=g(x) ?(1 point) x=
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Consider the following scenario: A sample of radioactive material has a decay constant of 0.04 per hour. If there are initially
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An audio engineer is working on sound attenuation for a concert hall. The sound intensity of a particular instrument decreases
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A statistician creates a website to analyze sports statistics. His goal is to gain 70,000 followers in the next eight years so
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Analyze the effect on the graph of f(x)=logxwhen f(x) is replaced by f(x−84) .(1 point) Responses The graph shifts 84 units
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Analyze the effect on the graph of f(x)=logxwhen f(x) is replaced by f(x)+204 .(1 point) Responses The graph shifts 204 units
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Analyze the effect on the graph of f(x)=lnxwhen f(x) is replaced by −1/7f(x) .(1 point) Responses The graph reflects across
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Analyze the effect on the graph of f(x)=lnxwhen f(x) is replaced by −17f(x) .(1 point) Responses The graph reflects across the
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Which of the following statements best describes the effects on the graph of f(x)=2xwhen it is replaced by f(x−c) and the
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Which of the following statements best describes the effects on the graph of f(x)=2xwhen it is replaced by f(x)+d and the value
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Analyze the effects on the graph of f(x)=exwhen it is replaced by af(x) and a is greater than one. Which of the following
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Which function is the inverse of f(x)=log3x?(1 point) Responses f−1(x)=x3 f superscript negative 1 baseline left parenthesis x
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If (2,200)lies on the line f(x)=20x , then what reflection point lies on the line g(x)=log20x ?(1 point) ( , )
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The point (0.36,2)lies on the graph of f(x)=log0.6x . What is the corresponding point on the graph of g(x)=0.6x ?(1 point)
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The point (0.36,2)lies on the graph of f(x)=log0.6x . What is the corresponding point on the graph of g(x)=0.6x ?(1 point)
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The logarithmic equation y=logbxpasses through the point (16,−1) . What is the value of b?(1 point) b=
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Describe the horizontal and vertical asymptotes of f(x)=log4x.(1 point) Responses The function f(x) has a horizontal asymptote
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At what point do the graphs of y=log5xand y=log0.5xintersect?(1 point)Responses(1,0)left parenthesis 1 comma 0 right
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Find an approximation to four decimal places of log3⋅2–√.(1 point) Responses 1.41421 1.41421 0.6747 0.6747 0.47712 0.47712
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You are working with a team to improve an electromagnet. Which is an effective way to communicate your ideas?(1 point)Responses
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Samuel builds four electromagnets and tests them by picking up paperclips. Here are his partial results.Coils Paperclips 8 2 16
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Students built two electromagnets. The electromagnets are the same except that one has 20 wire coils around its core, and the
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Which of the following statements is true for both solar energy and wind energy?(1 point)Responses Power from this energy source
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Why is solar energy a viable alternative energy resource?(1 point)Responses It produces minimal air pollution. It produces
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The Gift of the Magiby O.Henry In the vestibule below was a letter-box into which no letter would go, and an electric button
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The Cartby Cesar Aira In fact, the cart had spent the whole night going around and around, up and down the aisles, slow and
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Which is a characteristic of third-person limited perspective in a narrative? Select the two correct answers.(1 point)Responses
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Which point of view is relatively rare in literature?(1 point)Responses first-person point of view first-person point of view
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What is first-person point of view?(1 point)Responses the perspective of a narrator who tells the story to the reader using the
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Cesium-137 is a radioactive isotope with a variety of industrial and medical applications, known for its relatively long
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A college fund is started with an initial deposit of $2,000.00. The amount in the fund after x number of years is represented by
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A high-yield savings account that compounds interest continuously was opened in 1991. The recursive equation
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QuestionActinium-227 has a half-life of approximately 22 years. Which of the following equations correctly models the amount of
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Jason takes out a loan of $8,000.00 from his bank to build a front porch. After three years, not having made any payments toward
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How does the use of fossil fuels affect the cryosphere?(1 point)Responses Particulate matter in the atmosphere helps new
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What happens when carbon dioxide from the atmosphere dissolves in seawater?(1 point)Responses Ocean temperatures rise. Ocean
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How do changes in the atmosphere from burning fossil fuels affect plant life? Select the two correct answers.(1 point)Responses
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Why are rising carbon dioxide levels in the atmosphere harmful?(1 point)Responses Carbon dioxide traps heat in Earth's
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Impact of Fossil Fuels Quick Check1 of 51 of 5 Items Question Which of the following chemicals are pollutants released when
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Which of the following uses the properties of exponents to correctly rewrite f(x)=2⋅(513x+4)3−7in the form f(x)=a(b)x−h+k
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General Form of an Exponential Function Quick Check4 of 54 of 5 Items Question Which of the following uses the properties of
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Given a(x)=8x, if a(x) is vertically stretched by a factor of 4 and reflected across the y-axis, what is the new expression of
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Which of the following correctly identifies the transformation of j(x)=(15)x−12from its parent function?(1 point) Responses
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Which of the following statements accurately reflects the relationship between force and distance in Coulomb’s Law?(1 point)Re
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In which of the following interactions will the amount of force between the two objects be the strongest?Interaction Charge on
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Observing a set of pith balls with positive charges, how does the distance between the pith balls affect the electric electrical
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Strength of Electrical Forces Quick Check1 of 51 of 5 Items Question Which of the following statements about electrical charges
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QuestionTo what line will inverse functions be symmetric?(1 point) Responses y=2x y equals 2 x y=x y equals x y=−x y equals
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Corresponding Exponential & Logarithmic Functions Quick Check4 of 54 of 5 Items Question What function is created when you
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If the exponential function f(x)=9xincludes the point (2,81) on the graph of the exponential curve, which point can be described
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The domain of logarithmic function f(x)=lnxis x>0 . Which statement is true about its corresponding exponential function g(x)=ex
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Compare the functions f(x)=8xand g(x)=log8x . The graph of f(x) contains the points (1,8) and (−1,0.125) . Select the answer
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Compare the functions f(x)=8xand g(x)=log8x . The graph of f(x) contains the points (1,8) and (−1,0.125) . Select the answer
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2. 11 views