Chat with AIExam 7: Rational Expressions and Equations
Exam 1: Introduction167 Questions
Exam 2: Introduction to Real Numbers and Algebraic Expressions375 Questions
Exam 3: Solving Equations and Inequalities277 Questions
Exam 4: Graphs of Linear Equations125 Questions
Exam 5: Polynomials: Operations395 Questions
Exam 6: Polynomials: Factoring233 Questions
Exam 7: Rational Expressions and Equations226 Questions
Exam 8: Graphs, Functions, and Applications174 Questions
Exam 9: Systems of Equations117 Questions
Exam 10: More on Inequalities210 Questions
Exam 11: Radical Expressions, Equations, and Functions319 Questions
Exam 12: Quadratic Equations and Functions250 Questions
Exam 13: Exponential Functions and Logarithmic Functions262 Questions
Exam 14: Calculating Means and Medians of Data Sets124 Questions
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-The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 6 amperes when the resistance is 646 ohms. What is the current when the resistance is 884 ohms? Round to the
Nearest hundredths when necessary.
(Multiple Choice)
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Find the equation of variation if the following is true.
-Suppose p varies directly as q and p = 1 when q = 
(Multiple Choice)
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Find the ratio. Simplify, if possible.
-A machine can fill 5691 boxes of cereal in 0.7 hour. How many boxes of cereal can it fill per hour?
(Multiple Choice)
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-A loaded moving truck is traveling 15 mph faster than a freight train. In the time it takes the train to travel 80 miles, the truck travels 110 miles. Find the speed of the truck.
(Multiple Choice)
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Solve.
-The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 195 lb on earth weighs 39 lb on the Moon. How much would a 115-lb person weigh on the Moon?
(Multiple Choice)
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Solve the problem.
-In a cake recipe, the ratio of milk to flour is 
If 4 cups of milk are used, how many cups of flour are used?
If 4 cups of milk are used, how many cups of flour are used? (Multiple Choice)
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Write the word or phrase that best completes each statement or answers the question.
-For 
, the rational expression 
is equal to 9 . Can the same be said for 
? Explain why or why not.
, the rational expression is equal to 9 . Can the same be said for ? Explain why or why not. (Not Answered)
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Find an equation of variation in which y varies inversely as x and the following is true.
-y = 0.75, when x = 24
(Multiple Choice)
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