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Mira Free
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Mira Free
Questions (272)
Graph the inequality. 2 <= x
3 answers
26 views
Define a variable and write an inequality to model the given situation. A light bulb can be at most 100 watts to be safely used
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57 views
Define a variable and write an inequality to model the given situation.
A law clerk has earned less than $30,000 since being
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57 views
Define a variable and write an inequality to model the given situation.
A law clerk has earned less than $30,000 since being
3 answers
55 views
Solve the inequality. Graph and check your solution. p - 5 < 1 Choose the correct answer below.
A. p < 6 B. p > 6 C. p < - 4 D. p
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53 views
Solve the inequality. Graph and check your solution. p - 5 < 1 Choose the correct answer below.
A. p < 6 B. p > 6 C. p < - 4 D. p
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79 views
Solve the inequality. Graph and check your solutions.
y - 5 > - 19 y > - 14 (Simplify your answer.) Which of the following is the
3 answers
71 views
Solve the inequality. Graph and check your solutions.
3/2 <= n + 2 n >= - 1/2 (Type an integer or a simplified fraction.) Which
3 answers
60 views
To enter a competion, students must score a total of at least 430 points on five qualifying tests. Each test is worth 100
3 answers
70 views
What shape is the moon's orbit around Earth?
O a circle O a spiral O an ellipse that is elongated O an ellipse that is almost
3 answers
64 views
For which project would knowledge of Kepler's laws prove most useful?
O calculating the mass of Earth O determining the structure
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76 views
For which project would knowledge of Kepler's laws prove most useful?
O calculating the mass of Earth O determining the structure
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103 views
Which of the following statements about Newton's theory of universal point gravitation is true?
O Gravitational force increases
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89 views
An asteroid approaches Jupiter and is slung around into a new trajectory across the solar system. Which of the following is
3 answers
54 views
An asteroid approaches Jupiter and is slung around into a new trajectory across the solar system. Which of the following is
3 answers
57 views
An asteroid approaches Jupiter and is slung around into a new trajectory across the solar system. Which of the following is
3 answers
44 views
1. What shape is the moon's orbit around Earth?
O a circle O a spiral O an ellipse that is elongated O an ellipse that is almost
3 answers
196 views
2. For which project would knowledge of Kepler's laws prove most useful?
O calculating the mass of Earth O determining the
3 answers
84 views
A line between a planet and the sun sweeps out two equal areas at different places as it moves along its orbit. Which factor
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82 views
4. Which did Kepler notice about planetary motion that caused him to propose Kepler's first law of orbital motion?
O The planets
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159 views
Which is a feature of Copernicus's model of the solar system?
O The planets move in perfect circles. O All planets orbit the Sun
3 answers
87 views
Kepler's second law of planetary motion leads to the fact that when a planet is closest to the sun it moves faster in its orbit
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77 views
Which of the following statements about Newton's theory of universal gravitation is true?
O Gravitational force increases as the
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56 views
Which statements about the geocentric model is false?
O It shows the orbits of the planets as circular. O It shows Earth at the
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61 views
9. An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the
3 answers
153 views
An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the following
3 answers
73 views
An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the following
3 answers
155 views
An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the following
3 answers
130 views
An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the following
3 answers
123 views
An asteroid approaches Jupiter and is slung around into a new trajectory point across the solar system. Which of the following
3 answers
83 views
The mass of an object doubles. What happens to the gravitational force between it and another object whose mass stays the same,
3 answers
181 views
12. Why was the geocentric model accepted for more than a thousand years?
O It correctly explained the motion of the planets. O
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59 views
13. Select the correct answer to complete the sentence. Gravitational force is said to be universal because:
O it operates in one
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101 views
Which factor is not needed when calculating the velocity of a satellite orbiting a planet?
O the mass of the satellite O the
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82 views
Select the correct words to fill in the blanks to this sentence: As a planet draws away from the sun in its orbit, the force
3 answers
60 views
Which form of Kepler's third law can you use to relate the period T and radius r of a planet in our solar system as long as the
3 answers
75 views
17. Which is the LEAST eccentric orbit?
O e = 0.001 O e = 0.9 O e = 1 O e = 0.25
3 answers
62 views
Why were Tycho Brahe's data and observations important for Kepler's laws?
O They proved one of the laws to be true. O They
3 answers
162 views
Where is the sun located on Earth's elliptical orbit
O at a focus O at the perihelium O at the aphelium O at the center of the
3 answers
96 views
Where is the sun located on Earth's elliptical orbit?
O at a focus O at the perihelium O at the aphelium O at the center of the
3 answers
75 views
The diagram below shows a model of the solar system. Which of the following statements is correct about this model?
O This is the
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68 views
Which of Kepler's laws states that the square of the orbital period of a planet is directly proportional to the cube of its
3 answers
48 views
Which of the following best describes the relationship between a planet's speed and its distance from the sun according to
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67 views
Why does a planet with a larger orbit take longer to go around the Sun ?
O Because it is farther from the Sun O Because it is
3 answers
66 views
Below is an image of two objects represented by m1 and m2. The distance between the objects is r. Using the Law of Universal
3 answers
71 views
Using the same image in question #24 what are two ways to increase the force of gravity?
O Decrease the mass of m1 or increase
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44 views
Below is an image of two objects represented by m1 and m2. The distance between the objects is r. Using the Law of Universal
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65 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
94 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
64 views
Tom and Jerry were at a State Fair. They each got a ticket for the Merry Go Round. Tom got a funnel cake, and Jerry got a
3 answers
59 views
Tom and Jerry were at a State Fair. They each got a ticket for the Merry Go Round. Tom got a funnel cake, and Jerry got a
3 answers
62 views
Which ordered pairs is a solution of the following equation. Select all that apply. y = 9x - 2 (1 point)
O (0, - 2) O (2, 16) O
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58 views
Solve the following equation. 8 - 5w = 7 - 3w - 2w (1 point)
O Infinitely Many O w = 1 O No Solution
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43 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
210 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
66 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
106 views
12 - 3x = 8 - 4(2x - 6)
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19 views
Drag and drop the correct steps to solve the equation for x. Make sure to put the steps in order. Not all steps listed will be
3 answers
98 views
For the equation m + 3 = m + 4 , can you substitute a value for m to make this a true number sentence? Make sure to explain your
3 answers
71 views
The freshman class raised funds for a school dance. It costs $3,000 to rent out the hall plus $15 per student for food and
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75 views
Students were asked to solve the equation y = (x - a)/b for a. Their work is shown below.
Student 1: y = (x - a)/b; by = x - a;
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70 views
Solve the inequality. Graph and check your solution.
x/2 >= - 4; x >= - 8 (Simplify your answer.) Choose the correct graph below.
3 answers
67 views
A certain species of fish costs $2.99 each. You can spend no more than $40. How many of this type of fish can you buy for your
3 answers
60 views
Replace the following __ with the number that makes the inequalities equivalent. __ s < 42; s > - 7
The missing number that makes
3 answers
49 views
Solve the inequality, and graph the solution on a number line. 5x - 5 <= 5(x - 1)
Select the correct choice below and, if
3 answers
61 views
Solve the inequality, if possible.
3(2 + x) >= 14 - 2x Select the correct choice below and, if necessary, fill in the answer box
3 answers
54 views
Your cell phone plan costs $34.99 per month plus $0.14 for each text message you send or receive. You have at most $39 to spend
3 answers
52 views
Deconstruct the following prompt: Writers often use titles to introduce a central idea in a text. Write an essay analyzing why
3 answers
71 views
What will you remember the next time you come in contact with a writing prompt?
3 answers
28 views
Copernicus believed that all planets travelled in perfect ___ around the sun, but we know today that orbits are ___.
A). Circles,
3 answers
39 views
Which statement is TRUE regarding how planets travel in space?
A). Planets speed up as they travel away from the sun. B). Planets
3 answers
56 views
Which of the following does NOT describe Copernicus's heliocentric model of the solar system?
A). Heliocentric B). Earth-centered
3 answers
54 views
For which project would knowledge of Kepler's laws prove most useful?
A). A Calculating the mass of the sun B). determining the
3 answers
76 views
Kepler's Second Law, also called the Law of Areas, states that the area of a line between a planet and the sun.....
A). is
3 answers
41 views
Because Kepler recognized that the distance to the __ _________, he proposed his first law.
A). A Sun, stays constant B). moon,
3 answers
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Kepler's 2nd law tells us that when a planet moves closer to the sun, it __, & when it moves away from the sun, it __.
A). Moves
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50 views
Which of the following is FALSE concerning Newton's theory of universal gravitation?
A). The theory applies to all objects. B).
3 answers
55 views
Which of the following about the geocentric model is TRUE?
A). It was developed by Copernicus, Kepler, Galileo, and Newton. B).
3 answers
59 views
An asteroid approaches Saturn and is slung in a new trajectory with an orbit of e = 1.2 What might happen?
A). The asteroid
3 answers
76 views
What is the relationship between a planet's orbital velocity and its distance from the sun?
A). The greater the distance, the
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57 views
What do you think makes a bad thesis statement?
3 answers
38 views
1. What is the shape of most planets' orbits around the sun?
A). highly elliptical B). circular C). spiral D). slighlty
3 answers
53 views
Kepler determined that planets change their speed as they travel around the sun. This happens due to all of the following EXCEPT
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47 views
Which of the following has the most elliptical orbit?
A). Earth B). Mercury C). Mars D). Jupiter
3 answers
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Does Jupiter have the most elliptical orbit?
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27 views
Does Mercury have the most elliptical orbit?
3 answers
29 views
Does Mercury have the most elliptical orbit out of Earth, Mars and Jupiter?
3 answers
63 views
Which of the following has the most elliptical orbit?
A). Earth B). Mercury C). Mars D). Jupiter
3 answers
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Which of the following has the most elliptical orbit?
A). Earth B). Mercury C). Mars D). Jupiter
3 answers
43 views
Kepler determined that planets change their speed as they travel around the sun. This happens due to all of the following EXCEPT
3 answers
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Kepler determined that planets change their speed as they travel around the sun. This happens due to all of the following EXCEPT
3 answers
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Kepler determined that planets change their speed as they travel around the sun. This happens due to all of the following EXCEPT
3 answers
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2. Kepler determined that planets change their speed as they travel around * the sun. This happens due to all of the following
A)
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Kepler determined that planets change their speed as they travel around * the sun. This happens due to all of the following
3 answers
42 views
Kepler determined that planets change their speed as they travel around * the sun. This happens due to all of the following
3 answers
51 views
What was different about Copernicus's model of the solar system that is still accepted today?
A). The planets move in perfect
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49 views
What are 2 properties that affect gravitational force between objects? (pick 2)
Mass Shape Distance Cellular compostition
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Each statement describes today's accepted Heliocentric model of our solar system EXCEPT:
A). The sun is in the center of our
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Each statement describes today's accepted Heliocentric model of our solar system EXCEPT
3 answers
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For thousands of years, scientists accepted the solar system model that had Earth as its center. What was this model called? And
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