SAMARA
Most popular questions and responses by SAMARA
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 105)
asked on January 21, 2017 
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 
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 
stationary point
find the stationary point of the function z=4x^2+10xy+4y^2x^2y^2 and also determine their nature plz show me step i don't know it
asked on September 27, 2016 
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 
Mathematics
how do you calculate the time when average speed is given
asked on July 25, 2012 
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

Science
help me unscramble acnsrl spgei
posted on October 6, 2016 
3 grade math ms sue
10 cubes
posted on April 7, 2016 
Grammar
B?
posted on May 9, 2013 
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 
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