Questions and answers by

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Questions (90)

Simplify (2t–3)3(0.4r)2(1 point) Responses 3.2r2 3.2 r 2 1.28 r squared divided by t to the negative 6 Image with alt text:
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2. 57 views
Simplify (4xy2)3(xy)5(1 point) Responses 64x8y11 64 x 8 y 11 64x15y30 64 x 15 y 30 12x2y11 12 x 2 y 11 12x8y11
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2. 41 views
Is the following statement always, never, or sometimes true?A number raised to a negative exponent is negative. (1 point)
1. 1 answer
2. 73 views
Evaluate one halfa–4b2 for a = –2 and b = 4.(1 point) Responses 2 2 one half Image with alt text: one half 3 3 4
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2. 65 views
Simplify. Write in scientific notation. (9 × 10–3)2(1 point) Responses 8.1 × 10–5 8.1 × 10 –5 81 × 10–4 81 × 10
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2. 37 views
Simplify. Write in scientific notation. (9 × 10–3)2(1 point) Responses 8.1 × 10–5 8.1 × 10 –5 81 × 10–4 81 × 10
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2. 46 views
Simplify. Write in scientific notation. 0.5(8 × 105)(1 point) Responses 8 × 55 8 × 5 5 4 × 55 4 × 5 5 8 × 105 8 × 10 5 4
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2. 67 views
Write in standard notation. 6.12 × 103(1 point) Responses 6,120 6,120 612 612 61,200 61,200 61.2
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2. 55 views
Write in scientific notation. 0.0042(1 point) Responses 42 × 10–2 42 × 10 –2 4.2 × 10–4 4.2 × 10 –4 4.2 × 10–3
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2. 51 views
Multiple ChoiceSimplify. 5–1(3–2) (1 point) Responses 45 45 1 over 45 Image with alt text: 1 over 45 15–3 15 –3 152 15 2
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2. 67 views
Which of the following statements best describes the British response to the Salt March?(1 point)Responses The British responded
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2. 57 views
If you investigate the Amristar Massacre, what effect will you find it had on British colonial rule in India?(1 point)Responses
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2. 56 views
Which of the following best describes why Ethiopia’s resistance to Italian imperialism was successful?(1 point)Responses
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2. 64 views
How did being open to learning from the West help Japan’s experience with American imperialism?(1 point)Responses Japan was
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2. 64 views
Which of the following statements best compares the experiences of China and Japan under imperialism?(1 point)Responses Both
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2. 51 views
Students want to design an experiment to study gravity. They decide they will drop four objects with the same mass from the top
1. 1 answer
2. 40 views
A company uses drones to fly food to people in regions that have experienced natural disasters. The food is packed in boxes that
1. 1 answer
2. 55 views
Two objects fall from an apartment window sill at the same time. Object 1 lands on the sidewalk in 3.6 seconds. Object 2 lands
1. 1 answer
2. 57 views
Which of the following statements about gravitational mass is true?(1 point)Responses Gravitational acceleration is irrespective
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2. 57 views
Melissa is working on the roof of her house. She drops a hammer and a nail. Why do both objects hit the ground at the same
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2. 65 views
Write and Draft the summary for The Odyssey Part 1, The Odyssey Part 2, The Odyssey Part 3, or Orpheus and Eurydice. Remember to
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2. 83 views
QuestionThe size of a certain cell is 2.5 × 10–9 m. Another cell is 1.5 × 103 times larger. How large is the larger cell in
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2. 57 views
What is the simplified form of (3.25 × 103)(7.8 × 106) written in scientific notation?(1 point) Responses 2.535 × 1010 2.535
1. 1 answer
2. 71 views
A rectangular pasture has a fence around the perimeter. The length of the fence is 16x7 and the width is 48x4. What is the area
1. 1 answer
2. 61 views
What is the simplified form of –9m–2n5 × 2m–3n–6?(1 point) Responses –18m5n –18 m 5 n negative 18 divided by the
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2. 75 views
Multiple ChoiceWhat is the simplified form of (–3x3y2)(5xy–1)? (1 point) Responses 15 x squared divided by y squared. Image
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2. 80 views
Students analyze their data from a gravity experiment. They find that objects fall at a greater speed from a greater height than
1. 1 answer
2. 45 views
A team of students performs an experiment to test the effect of gravity on different objects with the same mass. They measure
1. 1 answer
2. 62 views
Which statement about gravity is correct?(1 point)Responses Gravity is a measure of an object’s matter. Gravity is a measure
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2. 63 views
A student designs a gravity experiment. She will time how long it takes different objects to fall from her school’s roof to
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2. 57 views
Which statement about mass is correct?(1 point)Responses The mass in an object is variable. The mass in an object is variable.
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2. 70 views
Which statement best summarizes the U.S. foreign policy goals from the perspective of peacemaking?(1 point)Responses U.S.
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2. 71 views
Which statement best explains the effects of the emancipation over time?(1 point)Responses The emancipation was successful in
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2. 90 views
Russia and the United States Quick Check2 of 52 of 5 Items Question Which statement best explains the causes leading to the
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2. 95 views
Russia and the United States Quick Check1 of 51 of 5 Items Question Which of the following tables accurately distinguishes the
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2. 88 views
Add on to Mehmed II was a really important guy in Ottoman Empire history. He was born on March 30, 1432, in Adrianople, Thrace,
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2. 47 views
Write a 4 paragraph about Mehmed II was a really important guy and write like a fifth grader.
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2. 36 views
Write a essay about Mehmed II was a really important guy and write like a fifth grader.
1. 1 answer
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Test: Weight Control Test
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QuestionTrans fatty acids are the fats that are found in most processed fast foods. (1 point) Responses True True False
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2. 51 views
Saturated fats lower cholesterol levels in the body and decrease the risk of heart disease.(1 point) Responses True True False
1. 2 answers
2. 81 views
High-density lipoproteins (HDL) are considered “good” cholesterol(1 point) Responses True True False
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2. 90 views
One pound of body fat represents about 1500 stored calories.(1 point) Responses True True False
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2. 113 views
The average American child watches 19 hours and 40 minutes of TV a week.(1 point) Responses True True False
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2. 82 views
Drinking too much milk is a cause of childhood obesity.(1 point) Responses True True False
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The primary cause of obesity in children is either due to overeating, inadequate exercise or eating disorder.(1 point) Responses
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2. 76 views
The number of children in the United States who are obese has dramatically decreased over the past two decades.(1 point)
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Obesity is body weight that is normal for that particular age, sex and height.(1 point) Responses True True False
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Obesity is the condition of being significantly overweight.(1 point) Responses True True False
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2. 101 views
Identify the choice that best describes the underlined word.Masako took Jonah’s woolen hat by mistake, thinking it was hers.
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Choose the meaning of the bold word(s).In that revelry amid his throng of friends / who would imagine a single foe—though a
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Choose the meaning of the bold word(s).“My lords, hear me: / suitors indeed, you commandeered this house / to feast and drink
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Choose the meaning of the bold word(s).He will not see his lady nor his children / in joy, crowding about him, home from sea; /
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Choose the meaning of the bold word(s)."Circe, am I a boy, / that you should make me soft and doting now?" (from The Odyssey,
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2. 61 views
Choose the meaning of the bold word(s).All ships’ companies / mustered alongside for the mid-day meal. (from The Odyssey, Part
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2. 51 views
Multiple ChoiceChoose the meaning of the bold word(s). Men hold me / formidable for guile in peace and war: / this fame has gone
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2. 105 views
Multiple ChoiceClick on the play buttons below to listen to each audio sample. Which rhythm sounds syncopated? (1 point)
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2. 87 views
Multiple ChoiceIn an irregular meter, (1 point) Responses the beats vary in length. the beats vary in length. the time signature
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2. 82 views
QuestionMultiple Choice Syncopation is (1 point) Responses a change in dynamics. a change in dynamics. a change in tempo. a
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2. 52 views
QuestionMultiple Choice Look at the following rhythmic figure. This example would be performed as (1 point) Responses ta ta-di.
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2. 48 views
Multiple ChoiceA song that switches back and forth between time signatures is in (1 point) Responses mixed meter. mixed meter.
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2. 85 views
Imperialism In Asia Quick Check5 of 55 of 5 Items Question Use the timeline to answer the question. 1842 – The Treaty of
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2. 79 views
Explain the outcome of the Opium Wars.(1 point)Responses The outcome of the Opium Wars were rebellions, such as the Boxer
1. 1 answer
2. 56 views
Identify the reasons Japan defeated China in the First Sino-Japanese War.(1 point)Responses Japan’s military was supported by
1. 1 answer
2. 75 views
How were the Korean people affected by Japanese imperialism?(1 point)Responses The Korean people were treated nicely by the
1. 1 answer
2. 53 views
Draw a conclusion about the role of war in uniting Germany.(1 point)Responses The Franco-Prussian War convinced German states to
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2. 54 views
Gravitational Force, Attraction, and Mass Quick Check5 of 55 of 5 Items Question A group of extraterrestrial athletes travel
1. 1 answer
2. 64 views
A high school athlete is in the weight room training for wrestling season. He is trying to bench press a bar loaded with 100 kg.
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2. 53 views
Which of the following is true about the relationship between the gravitational force of Earth and the Moon?(1 point)Responses
1. 1 answer
2. 57 views
When interplanetary space travel becomes viable, doctors may suggest to people with arthritis that they vacation on a planet
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2. 61 views
What information is needed to calculate the gravitational force of an object?(1 point)Responses the mass of the two objects the
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2. 62 views
QuestionRead this quote from the section: “In 1879 colonial authorities divided Zulu lands into 13 territories.” How could
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2. 59 views
Spanish, Portuguese, and British Quick Check4 of 54 of 5 Items Question Which quote from this section assesses a long term
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2. 79 views
How did Spanish conflicts on the Iberian Peninsula weaken the Spanish colonies?(1 point)Responses The Spanish had to stop using
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2. 92 views
Read this quote: “Before Spanish arrival there is estimated to be about 60 million people in the Americas. After Spanish
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2. 58 views
Which statement identifies a way that an important component of the Portuguese Empire changed over time?(1 point)Responses The
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2. 66 views
A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision?(1 point)
1. 1 answer
2. 83 views
Which number is equal to 7 left parenthesis 3.5 times 10 Superscript 4 baseline right parenthesis written in scientific
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2. 107 views
Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a times 10
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2. 68 views
Which expression is equal to Start Fraction 1 over 8000 End Fraction written in scientific notation?(1 point) Responses 8 point
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2. 50 views
QuestionWhich expression represents the largest number? (1 point) Responses 6.1 times 10 Superscript negative 7 baseline Image
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2. 70 views
Which of the following is 0.0000000708 written in scientific notation?(1 point) Responses 7.08 times 10 Superscript negative 8
1. 1 answer
2. 84 views
Multiple ChoiceWhich of the following expressions is written in scientific notation? (1 point) Responses 73.4 times 10
1. 1 answer
2. 53 views
Multiple ChoiceWhich of the following expressions is written in scientific notation? (1 point) Responses 73.4 times 10
1. 1 answer
2. 50 views
In 1–2 sentences, describe an efficient simple machine.(2 points)Write like a fifth grader.
1. 1 answer
2. 46 views
A student uses a pulley to lift a log. In 1–2 sentences, explain how she can calculate the pulley’s efficiency.(2 points)Wri
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2. 45 views
In 1–2 sentences, explain how to calculate the efficiency of a toaster.(2 points)Write like a fifth grader.
1. 1 answer
2. 52 views
Which is the best statement of the Law of Conservation of Energy?(1 point)Responses The amount of energy put into a simple
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2. 54 views
Larry uses a lever to lift a box. Where does inefficiency occur in the lever?(1 point)Responses where Larry applies force to the
1. 1 answer
2. 69 views
What is the mathematical representation of a machine’s efficiency? (1 point)Responses Efficiency=EiEo100 Efficiency equals
1. 1 answer
2. 67 views