Question

Would some one look at these problems and see if I got them right Thanks Just let me if they are wrong so I can go back over them

1.Write in simplest form 48/56

A. 6/7

2.Multiply 8x^3/5 *10/x^3

A. 16/x^4

3.Divide 4/x^7 / 12/x^3

A. 1/3x^2

4. divide x^2-36y^2/5x^2+30y / (x^26xy)

A. (x+6y)/(5x)(x^2+6y)

5.Subtract. Express your answer in simpliest form
3x/14-x/14

A. x/7

6.Add. Express your answer in simplest form. x^2/x+1 + 5x+4/x+1

A. x+4

7.Add. Express your answer in simplest form.
2x/x^2+15x+54 + 4/x+6

A. 6/x+9

8.Solve. x/7 - 1/2 = x-11/2

A. x=14


9.solve 9/x-5 -1= 8/x+5

A. x= -10 and 11

10.Solve 2/3 = 12/x

A. x=18

11. Simplify 6/8 over 2/18

A.39/4

1.Write in simplest form 48/56

A. 6/7 <b>OK</b>

2.Multiply 8x^3/5 *10/x^3

A. 16/x^4 <b>NO</b>

3.Divide 4/x^7 / 12/x^3

A. 1/3x^2 <b>NO</b>

4. divide x^2-36y^2/5x^2+30y / (x^26xy)

A. (x+6y)/(5x)(x^2+6y) <b>I can't tell what the problem is.</b>

5.Subtract. Express your answer in simpliest form
3x/14-x/14

A. x/7 <b>OK</b>

6.Add. Express your answer in simplest form. x^2/x+1 + 5x+4/x+1

A. x+4 <b>OK</b>

7.Add. Express your answer in simplest form.
2x/x^2+15x+54 + 4/x+6

A. 6/x+9 <b>I don't know what the problem is.</b>

8.Solve. x/7 - 1/2 = x-11/2

A. x=14 <b>OK if the problem is
(x/7)-1/2 = (x-11)/2</b>


9.solve 9/x-5 -1= 8/x+5

A. x= -10 and 11 <b>I don't know the problem.</b>

10.Solve 2/3 = 12/x

A. x=18 <b>OK</b>

11. Simplify 6/8 over 2/18

A.39/4 <b>NO</b>

<b>Check my arithmetic. </b>

Answers

Anonymous
x/6+5x/21
gi
Express each quotient in the simplest form.20xy^3/6z) / (2xy/18z^5)
Multiply 2/3 by 1 1/4. Write the answer in simplest form