Questions Asked on
December 22, 2017

  1. Science

    The potential energy of a system of two particles is given by u(x)=a/x2-b/x. Find minimum potential energy of the system, where x is the distance of separation and a, b are positive constants.

    asked by Afeera Ashfaq
  2. Math

    The second and fifth terms of a geometric progression (GP) are 1 and 1 respectively.find (a) common ratio - 8

    asked by Ebube
  3. algebra

    A school fair ticket costs $8 per adult and $1 per child. On a certain day, the total number of adults (a) and children (c) who went to the fair was 30, and the total money collected was $100. Which of the following options represents the number of

    asked by Jiskha Homework Help
  4. statistics

    A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable

    asked by sharon
  5. Math

    I need help on the lesson 3 unit 7 quiz! I work hard but everything goes out of my head! Please hurry!!! I need to take care of my mom! She has cancer!

    asked by ????
  6. Calculus

    The side of a square is measured to be 16 ft with a possible error of ±0.1 ft. Use differentials to estimate the error in the calculated area. Include units in your answer.

    asked by LilPeep
  7. American Government

    I'm writing a research paper about amending the U.S. Constitution. It has to outline the procedures for amending the constitution, and explain the path of one successful amendment and one unsuccessful amendment. What would be a good title for this paper?

    asked by Anon
  8. Grammar

    Is the sentence below correct? "I am grateful for the unforgettable memories that we had with each other."

    asked by Anonymous
  9. algebra

    factorise-x^4-y^4+x^2-y^2

    asked by DIPI
  10. Science

    How would you prepare pure dry crystals of potassium trioxonitrate (v)

    asked by Ebube
  11. Calculus

    Use your graphing calculator to evaluate limit as x goes to infinity of x^(1/2x) I graphed it but couldn't figure out the limit. Answers: 1) 1 2) e/2 3) pi 4) 0

    asked by Kait
  12. Calculus

    Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 4cm and a height of 16cm, at the rate of 2 cm^3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 8 cm deep?

    asked by LilPeep
  13. Calculus

    What is the maximum volume in cubic inches of an open box to be made from a 16 in by 30 in piece of cardboard by cutting out squares of equal sides from the four corners and bending up the sides? Your work must include a statement of the function and its

    asked by LilPeep
  14. ap calc

    Consider { a sin x + b, if x ≤ 2π { x^2 - πx + 2, if x > 2π A.) Find the values of a and b such that g(x) is a differentiable function. B.) Write the equation of the tangent line to g(x) at x = 2π. C.) Use the tangent line equation from Part B to

    asked by Billy
  15. English poem

    i need help writing a poem. it can be about an issue that is important to you such as environmentalism, equality, or a specific political issue, new years, or my own topic. my mind is BLANK and I have no idea how I'm going to write a 12 lined poem. It's

    asked by hotdognibba70
  16. History

    Which type of courts exercise the broad power of judicial review? A:Article I courts B:Article II courts C:Article III courts*** D:Article IV courts Which jurisdiction does the Supreme Court exercise most often? A:Original B:Exclusive C:Appellate***

    asked by marylyn
  17. 10th maths

    Find a possible pair of natural numbers whose sun is 77 and their g.c.d.is 7?

    asked by Saba
  18. Maths

    The areas of three flats a b and c are in the ratio 5:6:8 respectively. If the difference in the area of flat c and flat a is 270 square metres, what is the area of flat b in square metres?

    asked by Dolly