185 Answered Questions for the topic Rational Expressions

05/14/19

02/27/19

04/22/18

Rationalize the denominator and simplify following expression

3√¼   please sow me steps and answer  in radical form. I keep getting 3√3/2

03/18/18

Find xyz in the equation of x^3y^2z=5^3 and yz^2=5^9

I don’t have any details to my question . Thank you

03/17/18

Find the original number

The denominator of a fraction is 5 more than twice the numerator. If both numerator and denominator are decreased by 2, the simplified result is 1/3. Find the original fraction. (DO not simplify)

03/13/18

Rational expression application

The denominator of a fraction is 3 more than the numerator. If both numerator and denominator are decreased by one, the simplified result is 8/9. Find the original fraction.

02/27/18

The height of a right cylinder is 2r, where r is the radius. Write a function f in simplest form that represents the ratio of the surface area to the volume.

Not sure how to do this without the area?

02/26/18

Pump A empties water from a pool in 6 hrs. When Pump B is used with Pump A, the pool is empty in 1.5 hrs. How long does it take Pump B to empty the pool alone?

I do not really know where to start with this problem.

01/23/18

Rational expressions

Simplify the rational Expressions by multiplying or dividing. List any undefin values.   1. X2-12x+32/x2-6x-16 • x+2/x2-16    2. X-7/x2-2x-35 ÷ 9x+54/10x+50   3. X/x+1 + x+2/x2-1   4.... more

12/20/17

How many magazines did the school library subscribe in December?

A school library spends \$80 a month on magazines. The average price for magazines bought in January was 70 cents more than the average price in December. Because of the price increase, the school... more

11/25/17

Rational expressions

Can someone please help with this problem?    Find any values of the variable that make the expression undefined      2y   =  8y+7   I did 8y+7= y= -7/8    so the answer will be... more

11/14/17

a. For what values of x is the radical defined?

The rational equation dealing with springs mentioned in the beginning of this lesson is v= √ (k∕m x²) . The letters k and m represent constant values that reflect the composition of the spring and... more

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