SAMARA

Most popular questions and responses by SAMARA
  1. Chem

    Calculate the pH of a solution obtained by mixing 50 mL of 0.75 M CH3COOH with 15 mL of 1.6 M NaOH. (Ka of CH3COOH is 1.8 x 10-5)

    asked on January 21, 2017
  2. Grammar

    Which of the following is correct in regard to the use of formal English? A. In formal English, we use words to say precisely what we mean. B. Contractions are considered acceptable in any document. C. Formal English is used more frequently in speaking

    asked on May 9, 2013
  3. Mathematics

    write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

    asked on July 20, 2012
  4. stationary point

    find the stationary point of the function z=4x^2+10xy+4y^2-x^2y^2 and also determine their nature plz show me step i don't know it

    asked on September 27, 2016
  5. 7th grade math- fast help

    A triangle has measures of 90°, 40° and x degrees. What is the measure of x?

    asked on March 9, 2016
  6. Mathematics

    how do you calculate the time when average speed is given

    asked on July 25, 2012
  7. Mathematics

    write the following simultaneous equations in the form of AX= B where A,X and B are matrices 11x+6y=6 9x+5y=7 hence write the solution for x and y as a product of two matrices.

    asked on July 16, 2012
  1. Science

    help me unscramble acnsrl spgei

    posted on October 6, 2016
  2. 3 grade math ms sue

    10 cubes

    posted on April 7, 2016
  3. Grammar

    B?

    posted on May 9, 2013
  4. Mathematics

    the distance is 50 and the speed is 60 which equals 0.8333.... not sure is that answer makes sense

    posted on July 25, 2012
  5. Mathematics

    this is the 5th time am posting this in the last 3 weeks and no one has helped me! i really don't know how to answer this question

    posted on July 20, 2012