Most popular questions and responses by Serafina
  1. Science

    A 60-kg cheetah reaches a speed of 30m\s as it chases its prey. What is the kenetic energy of the cheetah?

    asked on February 14, 2017
  2. Algebra

    the sum of two numbers is 18. The difference between three times the lesser number and the greater number is 10. A)define variables and formulate a system of equations from this situation B)solve your system of equations algebraically and find the greater

    asked on April 2, 2016
  1. Mathematics


    posted on April 2, 2016
  2. math

    This question has many answers, since Jupiter is never at a constant distance from Earth. At it's closest it is approximately 629,000,000 Km from Earth. If we take 629,000,000 km and divide it by 14 km/s we will get the approximate time, in seconds, it

    posted on April 15, 2012