Most popular questions and responses by Efa
  1. Maths

    the arithmetic mean of two numbers is 15, and their geometric mean is 9. find the numbers

    asked on July 25, 2016
  2. Computer Science

    When is software described as open source

    asked on December 17, 2016
  3. Physics

    An electric fan is rated 240W,25V.Which fuse value is more suitable for the set

    asked on December 17, 2016
  4. Maths

    1)16(1-1/2^10)/(1-1/2) 2)1/9(3^8-1)/(3-1)

    asked on August 13, 2016
  5. Maths

    1)Find the sum of the first 10terms of 16,8,4,... 2)Find the sum of the first 8terms of 1/9,1/3,1,...

    asked on August 13, 2016
  6. Maths

    Sn=3n-2.Find the 1st,3rd and 5th term

    asked on July 30, 2016
  7. Maths

    By expanding the inequality(the square root of A-the square root of B)^2>0,show that the arithmetic mean of two unequal numbers is greater than their geometric mean.Check by using the numbers a)10 b)2root2 c)2/3

    asked on July 28, 2016
  8. Maths

    The sum of the first and third terms of a G.P.is 7/3 and the sum of the second and fourth term is 7/4.Fin the first and the common difference

    asked on July 23, 2016
  1. Math

    let ties be t, let shirts be s. 4t+7s=746$ 1s=50$ 7s=50*7=350 4t+350=746 4t=746-350 4t=396 t=396/4 t=99$ A tie cost 99$

    posted on August 11, 2016
  2. math

    10percent=30litres 100percent=x x=(100*30)/10=30litres

    posted on August 10, 2016
  3. Math Problem


    posted on August 3, 2016
  4. Math

    what is the series

    posted on July 30, 2016
  5. Maths

    2/5*15 =2*3 =6 Explanation:15 can divide into 5 3times

    posted on July 28, 2016
  6. Maths

    The question is incomplete what are you looking for

    posted on July 23, 2016
  7. Math

    1 day=24 hours 2 days=48 hours If it loses 5seconds every hour then in 48hours it will lose 48hoursx5seconds=240seconds 60seconds=1minute =240/60 =4minutes In 2days,it loses 4minutes

    posted on July 23, 2016