Algebra 2 (check)

posted by .

I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you.

1)name which sets of numbers to which -28 belongs. my answer = integers,rationals,reals

2)the property illustrated by 7x(9+1)=(9+1)x7 is the. my answer = commutative property of multiplication

3)solve the equation 2/5y=3/14. my answer = 28/15

4)solve the equation 3(absolute value bars x-5)=12. my answer = null set

5)solve the equation (absolute bars y-8)+6=15. my answer = 17 I'll stop here for right now.

3. If y is in the denominator, you are right.
4. No, x=9 works, as does x=1
5. y-8=± 9 so y=8±9

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. I have posted this so many times..can someone help

    I need someone to right an introduction to an essay in which you saying that the meaning of the quote bellow is true: "and tuhs the whirigig of time brings back his revenges." I may not be the one to write this but I don't want to …
  2. Algebra

    - ok... we keep getting this one wrong: Solve the following equation for x. Write your answer as a fraction in simplest form. -6(x-5)=-2x-8-6(3x-5) What is it you don't understand about this?
  3. Algebra

    1. (2x-6)/(21) divided by (5x-15)/(12) 2. Solve (x)/(x-9)-4=(9)/(x-9)..I got -6, is that correct?
  4. math/algebra

    can someone check my answer: 3ã486 my answer is 27ã6 if not show me where I went wrong please you are right. (did you see my post to you earlier on how to create square root sign?
  5. General

    Please understand that I am not upset with anyone or whatever I just want to know something. I have some work to be checked and the regular tutors here say that "we will be happy to critque your thinking" right?
  6. Chemistry

    im curious if i post my work on here will anyone check it for me to see if it is right?
  7. history1301

    I need some History help! Its US History. OK first of all I would like to post the question I need help answering. I also would like to post another question that I have answered and see if it was the right answer that I came up with. …
  8. Matt 115

    Hello, I just wanted to know if someone could check my work to see if they are right or wrong. Thanks :) 5. Find 2/5 of 4/11. Answer: 8/55 8. Are 3/21 and 3/54 equivalent fractions?
  9. Math

    55 is 30% of what number? I think its 183?
  10. @ Sarah - econ

    I deleted your 43(!) questions. Since you didn't post your answers, I assume you wanted someone else to cheat and give you the answers. No way! If you try that again, you'll be banned from posting here! If you want to post three or …

More Similar Questions