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197 Answered Questions for the topic Rational Expressions

Rational Expressions

05/11/16

How do I simplify this rational expression?

(4x+1)/(x—8) — (2)/(x+2) — (8x+16)/(x^2—6x—16)

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Rational Expressions Algebra 2 Word Problem Rational Functions

04/28/16

How do I set this up? I know the info, but I'm still confused

Bob drove 120 km in traffic. On the returning trip, he drove twice as fast. The total time was 4 hours. What was the rate for each direction?

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Rational Expressions

04/21/16

x/x-1+1/1-x

Just need answer and explanation why?

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Rational Expressions

04/17/16

you recently bought and planted some pea shoots

You recently bought and planted some pea shoots. So far they have grown 5 inches in a week. At that rate, how much will they have grown at the end of 30 days?

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Rational Expressions

04/17/16

a canal has a current

a canal has a current of 2 mph. find the speed of Vanessa's remote-controlled boat in still water if it would go 11 miles downstream in the same time that it goes 8 miles upstream.

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Rational Expressions

04/17/16

a cheetah can run

A cheetah can run 20 miles per hour faster than a lion. A cheetah can run seven miles in the same time that a lion can run 5 miles. Find the speed of each animal.

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Rational Expressions

04/10/16

solve this equation

(1/x)=(1/(4-x))

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Rational Expressions

04/10/16

solve this equation

(1/(x+3)) - (x/(x2-9))=-(2/(x-3))

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Rational Expressions

04/10/16

Solve this problem using five steps for problem solving (familiarize, translate, carry out, check, state). A cheetah can run 20 miles per hour faster than a lion. A cheetah can run seven miles... more

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Rational Expressions

04/03/16

evaluate the expression

evaluate the expression for x=1/2 (x2 - 4)/(x2+4)

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Rational Expressions

04/03/16

find the values of x for which this expression is undefined

find the values of x for which this expression is undefined: (x2 - 4) / (x2 + 4)

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Rational Expressions

04/03/16

consider the expression

simplify this expression: (t3 - 9t) / (t(t+3)3) ----------------------------------------------------------------------------------------------- Consider the expression (x2 - 4) / (x2 +... more

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Rational Expressions

04/03/16

find the values of t for which the expression is undefined

find the values of t for which the expression is undefined: (t3 - 9t) / (t(t+3)3)

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Rational Expressions

03/28/16

Rational word problem about people swimming

A person swims 11 miles downriver in the same time they can swim 7 miles upriver. The speed of the current is 4 miles per hour. Find the speed of the person in still water

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Rational Expressions Algebra 2 Word Problem

03/28/16

rational expression word problem

Ruth and Jerry go for a jog in Texas. Ruth jogs while Jerry roller-blades. Jerry roller blades 3 miles per hour faster than Ruth jogs. When Jerry has roller bladed 5.7 miles, Ruth has jogged 3.3... more

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Rational Expressions

03/20/16

when a 4 digit positive integer x is divided by 13 the remainder is 7 what is x

when x is divided by 12 the remainder is 7 when x is divided by 11 the remainder is 7 when x is divided by 10 the average is 7 what is the value of x

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Rational Expressions Algebra 2 Algebra Word Problem

02/23/16

Solving inequalities

Rosa can clean a house in 7 hours. When Rosa and Amy work together, they can clean a house in about 4.2 hours. About how long will it take Amy to clean a house if she works by herself?

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Rational Expressions Algebra 2 Inequalities Word Problem

02/23/16

Rational and inequalities equations

A barge travels at an average of 7 miles per hour in still water. The barge travels 50 miles up the Mississippi River and 50 miles down the river in a total of 17.5 hours. What is the average speed... more

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Rational Expressions Math

02/11/16

Rational Equations

The equation is: 2/x - 1/x2 = -3 We are supposed to find the LCM, but of course, we weren't taught how (this teacher is frustrating). Could you please help?

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Rational Expressions Math Equations Math Word Problem High School Math Help

02/11/16

Adding and Subtracting Rational Expressions..?

The distance between Atlanta, Georgia, and Albuquerque, New Mexico, is about 1270 miles. The groundspeed for jet traffic from Albuquerque to Atlanta can be about 18% faster than the groundspeed... more

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