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Questions (144)

Which of these, all of which include Earth, mostly likely contains the most dark matter?(1 point)Responses Solar system Solar
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2. 67 views
Which tools do astronomers use to determine the effects of collisions between galaxies? Select the two correct answers.(1 point)
1. 1 answer
2. 47 views
At which continental feature would you expect to find metamorphic rock? Select the correct answer. (1 point)Responses mountain
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2. 58 views
Observing a planetoid orbiting far from the sun, astronomers notice that the object slows down in its orbit in a way they did
1. 1 answer
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The mass of an object decreases by one-half. What happens to the gravitational force between the object and a second object
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Which is a correct statement about Aristotle's and Ptolemy's models of the solar system?(1 point)Responses Aristotle's model
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How do seismic waves help scientists understand Earth's layers? Select the two correct answers.(1 point)Responses Scientists can
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2. 50 views
Which does Kepler's first law state about the orbits of planets in our solar system?(1 point)Responses Their distance from the
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Which of these is the most widely accepted cause of plate movement?(1 point)Responses mantle convection mantle convection
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Many massive stars end their life cycles as black holes. Why do astronomers not believe our Sun will end its life cycle as a
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How was the San Andreas Fault formed?(1 point)Responses the kinetic energy in a rift valley the kinetic energy in a rift valley
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Which is an example of physical weathering?(1 point)Responses microscopic organisms producing compounds that break down rock
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Which of the following inner planets has the least eccentric orbit around the sun?(1 point)Responses Mercury Mercury Earth Earth
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Which statements help explain how Earth formed as part of the solar system? Select the two correct answers.(1 point)Responses
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How does galaxy composition typically relate to the age of the stars in the galaxy?(1 point)Responses Stars form from dust and
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Which of the following layers is farthest from Earth's center?(1 point)Responses lithosphere lithosphere mesosphere mesosphere
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The geocentric model could not explain which of the following observations made by early astronomers? Select the two correct
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According to Kepler's second law, which factor is constant as a line between a planet and the sun sweeps out two equal areas at
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Which does the shift of the hydrogen absorption spectrum of a galaxy provide evidence for? Select the three correct answers.(2
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Which variables are involved in understanding Kepler's third law of motion?(1 point)Responses rotational velocity, distance to
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Which accurately describes coral reefs? Select the three correct answers.(2 points)Responses Coral reefs often are located in
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Solve:|x−5|=3 (1 point) Responses x=8 or x=2 x=8 or x=2 x=8 or x=−2 x=8 or x=−2 x=8 x is equal to 8 x=2
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Choose the correct solution graph for the compound inequality:7x+2≥30 or 4x−3≤−19 (1 point) Responses
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hoose the correct solution graph for the inequality:−9x>54 (1 point) Responses
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Of 212 consumers polled, some like only animated movies, some prefer just musicals, and some like both. If 74 people like only
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2. 61 views
A student scored 78 and 92 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz
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2. 60 views
Your goal is to save at least $360.00 over the next 6 weeks. How much money must you save each week in order to meet that goal?
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Solve the inequality:5x−6 ≥ 9 (1 point) Responses x ≥ 5 x ≥ 5 x>−3 x is greater than negative 3 x≥ 3 x≥ 3 x≤ 5
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Suppose U = {1, 2, 3, 4, 5, 6, 7, 8} is the universal set and P = {1, 2, 3, 4}. What is P' ?(1 point)Responses {5, 6, 7, 8} {5,
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Solve the equation:4(2y−6)+3=11 (1 point) Responses y = 3 y = 3 y = −3 y = −3 y = 4 y = 4 y = 5
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Ella and Margaret were at a carnival. They each got a ticket for the carousel. Ella got a jumbo pretzel and Margaret got a snow
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Solve the equation:5x−4=5(x−3)+11 (1 point) Responses x=5 x is equal to 5 x=3 x is equal to 3 infinitely many solutions
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Solve the equation:−18=p2 (1 point) Responses p = 9 p = 9 p=−9 p is equal to negative 9 p = 36 p = 36 p=−36
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Solve the equation:2z−5=11 (1 point) Responses z = 7 z = 7 z = 8 z = 8 z = 9 z = 9 z = 11
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2. 27 views
Which is a solution of the equation y=4x+3?(1 point) Responses (5, 17) (5, 17) (17, 5) (17, 5) (4, 19) (4, 19) (4, 16)
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What is the simplified form of the expression 7[63÷(52−22)−1]?(1 point) Responses 10 10 42 42 14 14 350
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Simplify the expression (29)2.(1 point) Responses 481 4 over 81 418 4 over 18 411 4 over 11 29
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Evaluate xyfor x=310 and y = 45 .(1 point) Responses 750 7 over 50 715 7 over 15 38 3 eighths 1250
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What is the simplified form of the expression 1196−−−√?(1 point) Responses 114 1 over 14 13 13 112 1 over 12 1169
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What is the algebraic expression for the following word phrase: the product of 4 and x?(1 point)Responses 4+x 4 plus x 4x 4 x
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To which subset of real numbers does the number 14belong?(1 point) Responses rational numbers rational numbers irrational
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Which property is illustrated by the statement?(2+3.4)+6=2+(3.4+6) (1 point) Responses Associative Property of Addition
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What is the sum?72+(−35) (1 point) Responses 43 4 thirds 2910 29 tenths −2110 negative 21 tenths 4110
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Calculate the heat released (in joules) from the condensation of 25.0 g of ethanol (C2H5OH).∆Hvap = 204 cal/g; MP =
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2. 597 views