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.

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

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.

4. ## Math

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

5. ## chemistry

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

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

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?

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

9. ## maths

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

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.

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 ??

12. ## maths

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

13. ## math

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

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?

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

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]?

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?

18. ## Algebra (factoring)

Factor Completely: 1000p^3 - 1 help please

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