MathLog#4

posted by .

How would you solve for 'a'?
(1/a) - (1/b) = c

would you use the LCD???

  • MathLog#4 -

    1 / a - 1 / b = c

    1 / a = c - 1 / b

    1 / a = c b / b - 1 / b

    1 / a = ( c b - 1 ) / b

    Reciprocal :

    a = b / ( c b - 1 )

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    how would you solve for y in this problem: x=(y^2+3y)^(1/3) would it equal: y= x^3/y - 3 ?
  2. Help1

    WHY rational expressions that are being added must have an LCD, but rational expressions that are being multiplied do not need to have an LCD. The short answer is that addition and multiplication are different operations with different …
  3. Intermediate Algebra

    Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at
  4. Physics

    A 250 g block is dropped onto a relaxed veritcal spring that has a spring constant of k=2.5 N/cm. The block becomes attached to the spring and compresses the spring 12 cm befor momentarily stopping. While the spring is being compressed, …
  5. Chemistry

    What would be concept in which you would have to use electron configurations in order to solve?
  6. Math

    Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value …
  7. LCD

    I need a reveiw on how to use the LCD least common denominator to add and subtract
  8. math-Statistics

    I have been working on the Type I error and a Type II error problem but now I can not figure out the Power of the test?
  9. Math

    I can't figure out 6 - 2/3r = 1 1/2 The way we're learning how to solve it, is by using the LCD. the LCD I use is 6 The book says the answer is 6 3/4 But I keep getting the wrong answer.
  10. Algebra

    I'm studying for a test so I want to make sure I'm doing these problems right. Numerator (-5a exponent -2) Denominator b3 All to the -1 exponent For a= -4. And b=2 My answer I get is 1/10 is the right ?

More Similar Questions