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Sigma

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Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them? (1 point) Electric force will increase Not enough information Electric force is not affected...
1 answer
What are the two factors that affect the force of gravity between two objects?(1 point) Mass and matter Distance and mass Distance and weight Weight and mass When a car uses chemical energy and transforms it to mechanica...
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What must an object gain or lose to become electrically charged?(4 points) nucleus neutrons protons electrons What is the number of paths through which electricity can flow in a series circuit?(4 points) 1 2 4 3 Use the...
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Which of the following would be considered a load in a circuit?(4 points) lightbulb switch battery wire What happens to the current flowing through a circuit as resistance increases?(4 points) It stays the same It decrea...
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Imagine a string of holiday lights, with many bulbs connected to each other by wires. One bulb burns out, causing the bulbs next on the string not to work either. What type of circuit must the holiday lights be using?(4...
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What is the relationship between voltage and current (assuming the resistance stays the same)?(4 points) If the voltage increases, the current increases If the voltage decreases, the current increases Voltage does not af...
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Which of the following materials are good conductors? (Select all that apply)(4 points) gold plastic copper rubber Which of the following materials is considered an insulator? (Select all that apply)(4 points) silver rub...
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A city's population is currently 467,500. If the population doubles every 42 years, what will the population be 168 years from now? people
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You have 54,544 grams of a radioactive kind of iodine. How much will be left after 106 minutes if its half-life is 53 minutes? grams
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Nina has $6,140 in an account. The interest rate is 5% compounded annually. To the nearest cent, how much will she have in 3 years? $
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Albert has $1,000 in an account. The interest rate is 5% compounded annually. To the nearest cent, how much interest will he earn in 4 years? $
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A city doubles its size every 41 years. If the population is currently 700,000, what will the population be in 123 years? people
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Isaac's website has been getting more popular, primarily through word-of-mouth advertising. Each month, he sees a 5% increase in page views. If Isaac's site had 32,400 page views this month, how many page views can he ex...
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If the number of bacteria in a colony doubles every 203 minutes and there is currently a population of 40 bacteria, what will the population be 812 minutes from now? bacteria
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How much of a radioactive kind of neodymium will be left after 33 days if the half-life is 11 days and you start with 80 grams? grams
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or How much of a radioactive kind of chromium will be left after 3 months if you start with 64 grams and the half-life is 1 month?
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This table shows several values of an exponential function. x f(x) 2 – 16 3 – 32 4 – 64 5 – 128 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the valu...
1 answer
This table shows several values of an exponential function. x f(x) 1 6/7 2 12/49 3 12/343 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the values of...
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This table shows several values of an exponential function. x f(x) 1 6 7 2 12 49 3 12 343 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the values of...
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This table shows several values of an exponential function. x f(x) 0 4 1 20 2 100 3 500 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the values of a...
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This table shows several values of an exponential function. x f(x) 0 5 1 30 2 180 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the values of a and b....
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This table shows several values of an exponential function. x f(x) – 1 – 1 0 – 6 1 – 36 2 – 216 Write an equation for the function in the form f(x)=a(b)x. Use whole numbers, decimals, or simplified fractions for the valu...
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Katniss describes mentors with the following line: “mentors are a lifeline”. What type of figurative language is used here? (1 point) Simile Hyperbole Idiom Metaphor
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Katniss and Peeta make a good impression at the opening ceremonies. What does this foreshadow about the later Games? (1 point) They are likely to be overlooked by the other tributes. They are more likely to receive spons...
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Why does Katniss decide to eat their meal on the train with her hands? (1 point) She is starving and does not have time to think about manners. She did not want Peeta to feel bad about his own lack of manners. She wants...
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