Most popular questions and responses by adi
  1. civics

    There is a public debate between the three candidates for U.S. Senate. During the debate, the topics of oil and energy are addressed. Each candidate expressed their view on the issue: Edgar Eisenhower: "We need to cut our dependence on foreign oil.

    asked on March 25, 2019
  2. physics

    the displacement-time graph of two bodies P and Q are straight lines making angles 30° and 60° respectively with time axis .Calculate the ratio of velocities P and Q

    asked on August 31, 2012
  3. chemistry

    Consider the following equation: 4 NH3 (g) + 5 O2(g) 4 NO (g) + 6 H2O(g) (a) How many liters of oxygen are required to react with 2.5 L NH3 ? Both gases are at STP.

    asked on May 6, 2019
  4. Math

    Find the ratio of the volume of two cubes whose sides are 2.6 cm and 3.4cm

    asked on May 28, 2016
  5. chemistry

    calculate the de broglie wavelength of He atom at 27 degree celsius & v=2.4*1000

    asked on July 7, 2013
  6. math

    Jose was playing a game with marbles.In the first round ,he lost 1/4 of his marbles.In the Second round,he lost 1/3 of his remaining marbles.In the third round,he lost 1/2 of his remaining marbles.He gave 1 marbles to his friend shavana.He had 1 marble

    asked on March 3, 2012
  7. Physics

    In a closed system where kinetic, potential, and thermal energy are changing, the kinetic energy decreases by 54 J, and the thermal energy increases by 13 J. What is the change in the potential energy?

    asked on February 26, 2018
  8. isu

    The liquid bromoethane has a density of 1.46 g/mL at 20 °C. If a sample of this liquid at 20 °C has a volume of 59.9 mL, how many grams of liquid are there in the sample

    asked on September 1, 2014
  9. maths

    What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?

    asked on June 19, 2013
  10. Physics

    Explain how measuring the height of an icy hill and the speed of a sledder at the top and bottom of the hill can be used to demonstrate energy conservation.

    asked on February 26, 2018
  11. jay kay public

    Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??

    asked on December 8, 2015
  12. maths

    What is the sum of all 2-digit positive numbers whose digits are either 1, 2, 3 or 4?

    asked on June 19, 2013
  13. math

    How many positive integers less than 1000000 have the sum of their digits equal to 7?

    asked on June 19, 2013
  14. Economics

    Suppose That A Scientific Breakthrough Leads To The Discovery Of A New Cheap Source Of Energy. What Would Be The Effect Of This Invention In The Short-Run And In The Long-Run?

    asked on February 18, 2010
  15. physics

    How far would a car of 126 horse power have gone when it attains a speed of 70 km/hour going up the hill with 15 degrees incline. Total weight of the car is 1338 kg

    asked on January 22, 2014
  16. math

    Lines L1 and L2 intersect at O. A and C are points on L1 such that OA=11,OC=9. B and D are points on L2 such that OB=3,OD=22. What is the ratio [OCD]/[OAB]?

    asked on June 20, 2013
  17. math

    Let f(n)=1/√1+√2+1/√2+√3+1/√3+√4…1/√n+√n+1. For how many positive integers n, in the range 1≤n≤1000, is f(n) an integer?

    asked on June 20, 2013
  18. Algebra (factoring)

    Factor Completely: 1000p^3 - 1 help please

    asked on March 16, 2009
  1. civics

    um is it d then?

    posted on March 25, 2019
  2. civics

    I think its a

    posted on March 25, 2019
  3. economics

    This is a public good as it says clearly in the question that they have several defense contracts with the government. Therefore these are military based and help military communication and boost their internet and provide telecommunication and

    posted on November 13, 2018
  4. U.S. and Global Economics:Involving math

    Monthly payment is 75,870.2, use online calculator.

    posted on November 10, 2018
  5. History

    That is wrong. i just took the test

    posted on August 8, 2018
  6. Math

    600 participate. XD a bit easy

    posted on March 14, 2018
  7. geometry

    This question is wrong

    posted on March 14, 2017
  8. trig

    Well it goes like this : sinA/1-cosA + 1-cosA/sinA = sin^2A + (1-cosA)^2/(1-cosA)sinA (cross multiplying) = sin^2A + cos^2A + 1 - 2cosA/(1-cosA)sinA = 1 + 1 - 2cosA/(1-cosA)sinA (sin^2A + cos^2A =1) = 2 - 2cosA/(1-cosA)sinA = 2 (1-cosA)/(1-cosA)sinA =

    posted on July 20, 2016