Newest questions posted by dede
  1. Algebra/Precalculus

    Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) 3x-3y+6z=6 x+2y-z=8 5x-8y+13z=4 I don't know what
  2. english

    wat the grammatical name of "whose cake is the best"
  3. Chemistry

    What is the percentage of sand (SiO2) in a 2.88g of a mixture If 1.93 of sand was recovered upon separation?
  4. Chemistry

    DrBob222 you were so helpful earlier in assuring me I was on the right track with the ionic equations. Your very gifted in chemistry. I have spent from a short time after that post until now banging my head against the wall trying to figure out how to
  5. Chemistry

    Could you please check my work about complete ionic and net ionic equations. They really confuse me. My original equation, after I balanced, was: FeCl2(aq)+Na2S(aq)=FeS(s)+2NaCl(aq). For complete Ionic I think its:


Newest responses posted by dede
  1. Maths

  2. Math

  3. Algebra/Precalculus

    I got the answer (6-a,a,a-2)! Thanks for those who clicked on my questioning with helpful intentions.
  4. physics

  5. Math

    If u plot the point -8.85 on a number line, would u place it to the left or the right of -8.8? explain