Questions and answers by

robert

Questions (445)

prove that 7 to the power n + 4 to the power n is divided by 3
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2. 20 views
find the inverse of cube root of 2x-5
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2. 30 views
find the inverse of cube of 2x-5
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2. 21 views
let the universal set = (a,b,c,d,e), X =(a,c,e), Y= (a,b,c). find:1. X-Y 2. Y-X 3. hence verify that (X-Y)intersect (Y-X) is
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Given three subsets A, BandC of the universal set ζ. Suppose n(ζ) =68; n(A ∪ B ∪ C) = 64; n(A) = 50; n(B) = 49; n(C) = 46;
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3. A four-wheeled minibus breaks down on a horizontal straight tarmac road. Given that its mass is 4000kg and the coefficient of
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2. 44 views
2. A large 500kg magnet exerts a constant force of 3.00N on a 0.25kg bar magnet. What force does the bar magnet exert on the big
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Two air-track glider m1 and m2 are joined together with a light string (see figure 1 below). A constant horizontal force of 5.0N
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2. 36 views
explain what is meant by experimental error
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find the absolute error in r=(420+/-5)+(100+/-3)
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a ball is thrown up so that it reaches a height of 25m. how fast was it going when it was 5m high. take g=9.8m/s^2. use the
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2. 32 views
a ball is thrown up so that it reaches a height of 25m. how fast was it going when it was 5m high. take g=9.8m/s^2
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2. 32 views
A child travelling at 4.0m/s crosses a line 4.0m from starting point. she continues with the steady acceleration of 0.4m/s^2
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a person moves from town A to town B, 4km away in the direction N30E of A. then the person moves due east of B to a town C, 5km
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argue for the claim that running a school as a bureaucratic organization it is difficult
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2. 59 views
why am i lonely
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Which was a result of Rome having a less rugged landscape than Greece?(1 point) Responses Roman city-states grew in isolation
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2. 106 views
What was a major difference between the lives of the wealthy and the poor in Roman society?(1 point) Responses The wealthy were
1. 5 answers
2. 95 views
How did Augustus change the government of Rome?(1 point) Responses He took away most powers of the Senate. He took away most
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2. 79 views
Drag the reasons why Rome was able to expand into the box.(2 points) Put responses in the correct input to answer the question.
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2. 168 views
Drag each government power to the correct branch of Roman government.(2 points) Put responses in the correct input to answer the
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2. 90 views
Look at the table about the government of the Roman republic.? assemblies of citizens Citizens elect officials and pass laws.
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2. 179 views
Which of the following measures best demonstrates the Romans’ fear of officials gaining too much powers?(1 point) Responses
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How does this artwork represent a student’s skill and style?(1 point) Responses the use of proportion and shading the use of
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2. 217 views
Add 7.3×107+1.8×107 . Which is the correct sum?(1 point)Responses 8.1×107 8.1 times 10 superscript 7 baseline 9.1×1014 9.1
1. 9 answers
2. 125 views
Use the drop-down menu to complete the sentence.(1 point)Rome’s first civil war began as the result of conflict between Choose
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2. 269 views
Kendra finds the dimensions of a sticky note. She uses a meter stick to determine that the dimensions are 1.25×10−8 meters
1. 9 answers
2. 102 views
A sledgehammer is swung at a wall. Once the sledgehammer hits the wall it does not breakthrough. How do the hammer and the wall
1. 5 answers
2. 134 views
Which situation describes a non-contact force changing the speed of an object?(1 point)Responses a bicycle accelerating as the
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2. 173 views
Two postal delivery workers have different routes. They both travel from the post office, to neighborhoods to deliver mail, and
1. 11 answers
2. 570 views
Compare 364,879; 463,000; and 436,765 using scientific notation. Which number has the least value?(1 point)Responses 4.63 ×105
1. 9 answers
2. 94 views
What is the number 7.3×10−8 written in decimal notation?(1 point)Responses 0.0000000073 0.0000000073 0.000000073 0.000000073
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What is the number 5.9×105 written in decimal notation?(1 point)Responses 5,900,000 5,900,000 0.000059 0.000059 590,000 590,000
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2. 100 views
Suppose an average person blinks 15 times per hour. How many times does an average person blink in a year? Write the answer in
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2. 168 views
The speed of light is about 671,000,000 miles per hour. How will you write this number in scientific notation?(1 point)Responses
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Write 0.000000065 in scientific notation.(1 point)Responses 6.5 × 108 6.5 times 10 superscript 8 baseline 6.5 × 10−7 6.5
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The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)Responses
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A tennis player hits a 0.1-kilogram tennis ball with her racket from the north end of a court. Her racket was traveling at 65
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A ball bounces on the ground. How do the ball and the ground act on each other?(1 point)Responses The ball exerts a stronger
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2. 105 views
What is one way the Romans were able to conquer such a large territory?(1 point) Responses They would not often trade with other
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Which specific problem led Rome to change from a monarchy to a republic?(1 point) Responses The king did not hold enough power.
1. 1 answer
2. 159 views
What were villas?(1 point) Responses large farms worked by tenants or slaves large farms worked by tenants or slaves lavish
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2. 196 views
Use the Power Rule of Exponents to simplify (10^3)^6 .(1 point)
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Apply the Zero Power Rule to create an equivalent expression to 9⋅(−33)^0+3/2(8−27^0) .(2 points)
1. 6 answers
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What is the value of 6.9−2^0 ?(1 point)Responses 7.9 7.9 4.9 4.9 5.9 5.9 6.9
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Use the Product Rule of Exponents to simplify 510⋅55 (1 point)Responses 550 5 superscript 50 baseline 2550 25 superscript 50
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Blake and Drew are playing horseshoes. Blake takes the first turn, and his horseshoe lands three-fourths of the way to the
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2. 286 views
write an entire portfolio about internet safety
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2. 83 views
In 1-2 sentences, explain how to use an apostrophe to show possession for singular and plural nouns and to form contractions. (2
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2. 155 views
Which sentence is punctuated correctly?(1 point)Responses Dee passed her math test: with a perfect score: she got all the
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2. 213 views
Which of the following sentences correctly uses punctuation to show a quick change between ideas?(1 point)Responses After you
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2. 332 views
Rank and describe the social classes of Ancient Greece.(4 points)
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How did Greek scientists change the way people viewed and understood the natural world around them? How did common Greeks
1. 2 answers
2. 197 views
Which was the most important effect of the Peloponnesian War?(1 point) Responses Other nations were intimidated by the Greeks.
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2. 269 views
Which of the following was the primary reason the Olympic Games were held?(1 point) Responses The Olympic Games were held to
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2. 176 views
Which is the most important lesson that can be learned from the Persian Wars?(1 point) Responses That Athens alone could have
1. 2 answers
2. 165 views
Which of the following statements best explains why direct democracy worked in ancient Athens?(1 point) Responses The council
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2. 321 views
In which situation are unbalanced forces acting on an object?(1 point)Responses Two people stand on the same side of a large
1. 9 answers
2. 141 views
In which sentence is a comma used correctly?(1 point)Responses After dinner we went to the, store to shop for shoes. After
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2. 187 views
Which was the most important lasting impact of Alexander’s conquests?(1 point) Responses the spread of Greek ideas around the
1. 3 answers
2. 111 views
When is an ellipsis used?(1 point)Responses to show where a thought ends to show where a thought ends to indicate a pause or an
1. 8 answers
2. 234 views
hHow can art help the science of conservation?(1 point) Responses by encouraging people to buy new products by encouraging
1. 3 answers
2. 166 views
Which best illustrates the Socratic method?(1 point) Responses A teacher gives a lecture while students take notes. A teacher
1. 6 answers
2. 180 views
Which sentence is punctuated correctly? (1 point)Responses Before you leave for the store . . .check to make sure your grocery
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2. 180 views
Which of the following is an equivalent expression to 59⋅5−13 with only positive exponents that has been generated by
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2. 53 views
Which of the following were characteristics of ancient Greek literature? Select the two correct answers.(1 point) Responses Epic
1. 7 answers
2. 159 views
Which of the following is an equivalent expression to 13−5 ⋅13−11 with only positive exponents, generated by applying the
1. 5 answers
2. 47 views
Which of the following is equivalent to 6−2 ?(1 point)Responses 126 Start Fraction 1 over 2 superscript 6 baseline End
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2. 79 views
Which of the following is developed to be equivalent to 185 ?(1 point)Responses 5−8 5 superscript negative 8 baseline 815 8
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2. 105 views
In an argumentative essay, should your thesis statement be general or specific?
1. 7 answers
2. 119 views
Multiple ChoiceWhat does the term "fair-use exception" mean? (1 point) Responses to use only material that has never been
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2. 354 views
What is a newton?(1 point)Responses the unit in which force is measured the unit in which force is measured a non-contact force
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2. 124 views
Use the Power Rule of Exponents to create an expression equivalent to (156)2 .(1 point)Responses 154 15 superscript 4 baseline
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2. 72 views
Which of the following correctly used the Power Rule of Exponents in the expression (109)7 ?(1 point)Responses 1063 10
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2. 92 views
Which of the following is evidence that overpopulation was a concern for the ancient Greeks?(1 point) Responses Greeks would
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2. 153 views
What is the magnitude of a force?(1 point)Responses the motion of the force the motion of the force the amount of force the
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2. 181 views
write an extremely large argument
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2. 66 views
On a position–time graph, which of the following does the value of the slope indicate about the object?(1 point)Responses
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Which statement includes a description of velocity?(1 point)Responses A marble rolls 30 centimeters away from the table. A
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2. 352 views
Simplify a67/b34 .(1 point)Responses a67/b34 Start Fraction a superscript 67 baseline over b superscript 34 baseline End
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2. 111 views
Which of the following correctly used the Product Rule of Exponents to simplify the expression 1008⋅1007 ?(1 point)Responses
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Use the text below written by Connections Education in 2012 to answer the following questions.The Second Industrial Revolution
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2. 339 views
Which sentence tells one thing that a conclusion should do?(1 point)Responses It should capture the reader’s interest. It
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2. 197 views
Water boils at 100°C and turns into steam. Which similarities or differences are there between water at 100°C and steam at
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2. 278 views
Which sentence describes what it means for ideas to have cohesion?(1 point)Responses They make sense logically. They make sense
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2. 232 views
Which phrase describes the purpose of reasons in a persuasive essay?(1 point)Responses to show how ideas connect to show how
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2. 113 views
Which phrase describes evidence?(1 point)Responses a statement put forth in support of an argument a statement put forth in
1. 1 answer
2. 229 views
The essential nutrient that serves are the main building blocks for the body is(1 point) Responses protein. protein. fat. fat.
1. 6 answers
2. 251 views
Why is it important to use credible sources when writing an argument?(1 point)Responses to make an argument more debatable to
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2. 114 views
When deciding how to organize a persuasive text, which should come first in the text?(1 point)Responses a call to action a call
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2. 151 views
Which type of energy transfer is shown in the picture?(1 point) Responses radiation radiation convection convection conduction
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2. 550 views
Which phrase describes a claim that is "debatable"?(1 point)Responses an idea to be shared in front of a group of people an idea
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Interpret the equation y=−4x+10 . What type of function does this equation define? Describe its graph.(1 point)Responses This
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2. 368 views
Look at the map of Asia and the barriers the Chinese people had to overcome. What creates the northern barrier of China's
1. 19 answers
2. 327 views
What was an achievement which helped contribute to the downfall of the Zhou?introduction of coins introduction of coins iron
1. 7 answers
2. 137 views
Choose the teachings of Confucius that created Confucianism. Drag the correct teachings to the box. Choices may be used once or
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2. 366 views
From a height of 3,000 feet, a falcon descends at a rate of 250 ft./sec. What is the rate of change in the falcon’s elevation,
1. 9 answers
2. 180 views
Use the excerpt to answer the question.Good sleep hygiene, the behaviors that promote good sleep, will help ensure that middle
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2. 980 views
Which formula can be used to find the slope of a line from two points (x1,y1) and (x2,y2) ?(1 point)Responses Start Fraction y
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2. 125 views
The graph shows the number of gallons in a wading pool that is being drained. Using the points (1,160) and (3,80) as (x1,y1) and
1. 1 answer
2. 134 views