Chat with AIExam 7: Rational Expressions
Exam 1: The Basics329 Questions
Exam 2: Linear Equations and Inequalities310 Questions
Exam 3: Linear Equations and Inequalities in Two Variables155 Questions
Exam 4: Systems of Linear Equations135 Questions
Exam 5: Exponents and Polynomials300 Questions
Exam 6: Factoring295 Questions
Exam 7: Rational Expressions302 Questions
Exam 8: Roots and Radicals215 Questions
Exam 9: Quadratic Equations212 Questions
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The first Ferris wheel was designed and built by George Ferris in 1893. It was a large wheel with a circumference of 785 feet. If one trip around the wheel takes 20 minutes, find the average speed of a rider on this wheel in miles per hour. 
Give the answer to two decimal places, if necessary. __________ miles per hour
Give the answer to two decimal places, if necessary. __________ miles per hour
Free
(Short Answer)
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(36)
(36) Correct Answer:
Verified
Verified0.45
The weight F of a body varies inversely with the square of the distance d between the body and the center of the Earth. If a man weighs 600 pounds 2,000 miles from the center of the Earth, how much will he weigh at a distance of 5,000 miles from the center of the Earth?
Free
(Multiple Choice)
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(36) Correct Answer:Verified
VerifiedD
Assume 
varies inversely with the square of 
. If 
when 
find 
when 
is 
. 
= __________
varies inversely with the square of . If when find when is . = __________Free
(Short Answer)
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(33) Correct Answer:Verified
Verified121
Reduce the following rational expression to lowest terms, if possible. 
(Multiple Choice)
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Reduce the following rational expression to lowest terms, if possible. 
(Multiple Choice)
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(34) 
Reduce the following rational expression to lowest terms, if possible. 
(Multiple Choice)
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(39) A man drives his car 123 miles in 3 hours. At this rate, how far will he travel in 9 hours?
(Multiple Choice)
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(33) 
In 1897 a large Ferris wheel was built in Vienna; it is still in operation today. Known as The Great Wheel , it has a circumference of 618 feet. If one trip around the circumference of the wheel took 15 minutes, find the average speed of a rider in feet per minute. __________ feet \ minute
(Short Answer)
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(36) Assume 
varies inversely with the square of 
. If 
when 
find 
when 
is 7.
varies inversely with the square of . If when find when is 7. (Multiple Choice)
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(26) In 1897 a large Ferris wheel was built in Vienna; it is still in operation today. Known as The Great Wheel , it has a circumference of 618 feet. If one trip around the circumference of the wheel took 15 minutes, find the average speed of a rider in feet per minute.
(Multiple Choice)
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(30) If 100 grams of ice cream contains 13 grams of fat, how much fat is in 550 grams of ice cream?
(Multiple Choice)
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(37) 
Solve the following equation. Be sure to check each answer in the original equation if you multiply both sides by an expression that contains the variable. 
a = __________
a = __________ (Short Answer)
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