manilen

Most popular questions and responses by manilen
  1. math10

    Find all the positive integers (x,y) that satisfy x^4=y^2+97?

    asked on January 9, 2016
  2. math10

    48. How many real numbers satisfy x^6+|x|=7?

    asked on January 9, 2016
  3. math10

    simplify √(23+√408) -√(23-√408) ?

    asked on January 9, 2016
  4. math10

    A class of 30 students took two quizzes. Sixteen passed the first quiz and 20 passed the second quiz. If four students failed both quizzes, how many pass both?

    asked on January 9, 2016
  5. math10

    An item was already discounted by 10% but had to be discounted by another 10 % to make the price even more attractive to customers. Overall, by how many percent was the item discounted?

    asked on January 9, 2016
  6. math10

    If you randomly choose two different numbers from 1 to 10, what is the probability that one number is one more than the other?

    asked on January 9, 2016
  7. math10

    If x and y are positive real numbers satisfying x+y≤xy, what is the smallest value of x+y?

    asked on January 9, 2016
  8. math10

    Let x=2^100,〖y=3〗^60 and z=〖10〗^30 . What is the smallest number among the three?

    asked on January 9, 2016
  9. math10

    What is the minimum value of |x|+|x-1|+|x+2|?

    asked on January 9, 2016
  10. math10

    Determine all real number x that satisfy |x^2-x-3|>|x^2-x-3|?

    asked on January 9, 2016