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54t4n45

Questions (648)

The admission cost is $6.00 for children ages 5–18 and $9.00 for adults. Children under 5 skate for free. Skate rental is
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The admission cost is $6.00 for children ages 5–18 and $9.00 for adults. Children under 5 skate for free. Skate rental is
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2. 11 views
Brad works at an ice skating rink. Yesterday, the rink had 8 skating sessions that were each an hour and a half long, with 15
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A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
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Which forms of electromagnetic radiation are arranged in order of increasing energy?(1 point) Responses infrared, gamma rays,
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Which statement about the effect of temperature on the speed of sound is correct?(1 point)Responses As temperature increases,
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Physical Science B Semester Exam31 of 3431 of 34 Items Question The first part shows a man producing a sound with a wavelength
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Which combination of frequencies would produce the lowest beat frequency?(1 point)Responses 10 Hz and 20 Hz 10 Hz and 20 Hz 500
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What happens to sound waves from an object as it moves toward you?(1 point)Responses The pitch gets lower because of an increase
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Which option best describes the speed of light?(1 point)Responses The speed of light is a relative quantity. It varies based on
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Use the ray diagram for a lens to answer the question.The illustration shows a candle as an object to the left of a concave lens
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QuestionHow do electromagnets cause a maglev train to levitate above the track? (1 point) Responses Magnets in the track and
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QuestionStudents build four electromagnets and test them by picking up metal tacks. Here are their partial results. 12 coils 4
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How does the structure of atoms in a substance determine the substance’s conductivity?(1 point)Responses If an atom’s
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Which pair of objects will have an attractive electric force?Pair Object 1 Charge Object 2 Charge A -2 -1 B -3 +1 C +3 +1 D +1
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QuestionWhich scenario shows radiation?(1 point) Responses The air under a reading lamp is warmed. The air under a reading lamp
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What is the relationship between heat and thermal conductors?(1 point)Responses Thermal conductors impede heat, the transfer of
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Which statement describes a difference between plasmas and gases?(1 point)Responses Plasmas are affected by magnetic fields, but
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Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)Responses increasing the
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A bar magnet is held in place while another bar magnet is placed near it. The second bar magnet spins around and attaches to the
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When two charged particles are moving toward each other, their velocities decrease until they eventually come to a stop. What
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Where do the forces that make atoms interact come from?(1 point)Responses from the electric fields of neutral molecules from the
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How much more kinetic energy does a 6-kilogram bowling ball have when it is rolling at 16 mph (7.1 meters per second) than when
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Which sentence best describes a self-directed learner?(1 point)Responses She makes sure to complete all class projects and
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A soccer ball and bowling ball, with the same areas and different masses, are dropped at the same time. How will their motions
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Which sentence best describes how a self-directed learner might investigate gravity?(1 point)Responses She would only follow her
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The gravitational force of a lunar rover is 1,607.2 Newtons on Earth. What will the rover’s gravitational force be on the
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Physical Science B Semester Exam6 of 346 of 34 Items Question A team of students builds a lever as a science project. They
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QuestionGardeners would need to use 960 Newtons of force to lift a potted tree 45 centimeters onto a deck. Instead, they set up
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QuestionWhat is the advantage of class 3 lever?(1 point) Responses It increases the mechanical advantage compared with other
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A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
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A force of 40 N is applied to a ball, and it travels 400 centimeters. What is the work done on the ball?(1 point)Responses
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A gardener uses a wheelbarrow to move 20 kilograms of soil from a compost pile to a flower bed, a distance of 53 meters. The
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QuestionIn one to two sentences, describe the relationship between harmonics and resonance frequency in a piano.(2 points)
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Which statement presents an advantage of using electronic ballots?(1 point)Responses Hackers cannot access the system to change
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Why might someone choose to use film, rather than digital methods, for photography?(1 point)Responses Film allows you to study a
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Two waves are traveling at the same speed. Wave Ahas a frequency that is 3 times that of wave B . How do their wavelengths
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If a wave transfers from one medium to another medium with different properties, which statement is true?(1 point)Responses The
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The table shows the speed of ultrasound waves in different tissues in the human body.Tissue Speed ( m/s ) Air 330 Fat 1,450
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As a wave travels from one spring to another spring with a different mass, its wavelength decreases by 25%. Which statement
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QuestionThe table below shows the speed of sound in water at different temperatures and salinities. Speed of Sound in Water at
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The speed of a wave is 2ms, and its wavelength 0.4 meters. What is the period of the wave? Remember that period is not the same
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Which phrase correctly defines the amplitude of a wave?(1 point)Responses the horizontal distance from the trough of one wave to
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When the string on a violin vibrates, waves move in both directions along the string, interfering with each other. Sometimes
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A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving
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How do the frequencies and the speeds of yellow light and blue light compare?(1 point)Responses The frequency of yellow light is
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What is one way that light waves differ from sound waves?(1 point)Responses Light waves all have the same frequency. Light waves
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Which statement best describes the refraction of light as it moves from air to glass?(1 point)Responses Although the light
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Use the ray diagram for a curved mirror to answer the question.An illustration shows image formation by a concave mirror. The
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How is land subsidence related to a rise in human population?(1 point)Responses Land subsidence happens when the increased
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A scientist observes that a region covered by permafrost a few years ago has now thawed. How could this trend be related to the
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Which water conservation strategy is being used when a household uses eco-friendly cleaning products?(1 point)Responses
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Which statement is true about the water treatment process?(1 point)Responses It removes biological, chemical, and physical
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Which of the following sources of pollution decrease the oxygen level of water? Select the two correct answers.(1 point)Response
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QuestionHow does a lack of access to safe, clean water affect communities?(1 point) Responses decrease in educational
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QuestionWhat is the fall line?(1 point) Responses a tall, steep area where rivers form rapids and waterfalls a tall, steep area
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QuestionWhich of the following are ways warming temperatures contribute to rising sea levels? Select the two correct answers.(1
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Why is fresh water a limited resource?(1 point)Responses Too much water is wasted on irrigation. Too much water is wasted on
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Which of the following farming practices use water most efficiently? Select the two correct answers.(1 point)Responses using
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QuestionWhich of the following would lower the levelized cost of energy (LCOE) for a project? Select all that apply.(1 point)
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How did the use of coal affect human activity in the 1800s?(1 point)Responses The steel industry used coal to produce
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What effects does burning fossil fuels have on the atmosphere? Select the two correct answers.(1 point)Responses increases
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Which of the following steps was necessary for the formation of all fossil fuels?(1 point)Responses The remains of plants and
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Which of the following statements about flood mitigation is true?(1 point)Responses It costs roughly the same to fund flood
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Semester B Exam26 of 4526 of 45 Items Question How does stormwater management help control flooding in cities?(1 point)
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Which of the following is a possible consequence of damage to infrastructure due to flooding?(1 point)Responses The flow of
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A town develops green space on top of an apartment building. This provides a relaxing place for the renters while also allowing
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Which of the following are challenges to implementing sustainable farming practices? Select the two correct answers.(1 point)Res
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In which situation would alley cropping be most useful for sustainable farming?(1 point)Responses growing crops in an area with
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What should be done to ensure that a beach nourishment project remains effective for as long as possible?(1 point)Responses
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How do beach nourishment and vegetation management differ in the ways they manage beach erosion?(1 point)Responses Only
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Which of the following is one way that beach erosion can occur?(1 point)Responses storm waves pulling sand from the beach out
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QuestionWhich of the following show how mining for materials used in smart devices impacts the environment? Select the three
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Which statement best describes trends in safety in underground and surface mining in the United States?(1 point)Responses Fatal
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QuestionWhich situations described are examples of a standards and measurements issue related to land reclamation? Select the
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Why are sinkholes one major environmental risk of underground mining?(1 point)Responses Underground mines are more likely to
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Which statement best describes how the availability of minerals affects human activity?(1 point)Responses Humans must find new
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How does the ozone layer in the stratosphere vary on Earth?(1 point)Responses Levels do not vary between the poles, middle
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Scientists have several specimens from the same time period from several thousand years ago. Which two specimens should they
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Use the following scenario to calculate the carbon flux in the atmosphere. The amount of carbon that enters the atmosphere
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QuestionHow does El Niño affect climate?(1 point) Responses Warm water move westward, making coastal South America cooler. Warm
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If the specific heat capacity of water were smaller than it is, how would this affect oceans and climate?(1 point)Responses The
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Which factors increase the heat absorbed by a land surface? Select the two correct answers.(1 point)Responses becoming smoother
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Which is one reason for the formation of global winds?(1 point)Responses uneven heating of Earth’s surface uneven heating of
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Which layer of the atmosphere has the widest variation in temperature?(1 point)Responses mesosphere mesosphere thermosphere
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Determine which two functions are inverses of each other by function composition.(1 point)Responses only answers ive given shoul
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Determine which two functions are inverses of each other by function composition.(1 point)Responses f(x)=−4x−13 and
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The following points are located on the function m(x):{(127,−3),(1,0),(3,1),(81,4)}. Identify the equation of the inverse
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If the graph of a function is in Quadrant II, then in which quadrant is the graph of its inverse?(1 point)Responses Quadrant I
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Use the functions below.f(x)=−3x+5 g(x)=2x2−11 What is (g ∘ f)(x)? (1 point) Responses 2x2−3x−6 2 x squared minus 3 x
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The volume of a rectangular shipping box is given by the function v(x)=2x3+x2−25x+12. The width of the shipping box is given
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Identifying the following characteristics on the graph of the rational function f(x)=x2+14x+453x2+27x:(1 point) possible
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Question(1 point) Responses quadratic function quadratic function exponential function exponential function absolute value
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Identify an asymptote of the function h(x)=2log8(x−3).(1 point) Responses x = 1 x = 1 x = 3 x = 3 x = 2 x = 2 x = 4
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Select true or false for each description below.The graph of y=log3(x) was transformed into the new function y=−4log3(x−1)
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12 of 2412 of 24 ItemsQuestion Marquan learns a new fact about his favorite animal, the sloth. He shares the fact with two other
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What is the value of x given ln(5x)+3=7? Round to 2 decimal places.(1 point) x=
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10 of 2410 of 24 ItemsQuestion Determine algebraically whether k(x) and j(x) are inverse functions. True or False.
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Find the inverse of the function m(x)=4x+35x(1 point) m−1(x) =
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Solve the equation for x.log2(x−3)−log23 = 5 (1 point) x =
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