Questions Asked on
July 5, 2008

  1. statistics

    Chicken Delight claims that 90 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that 82 were delivered within the promised time. At the .10 significance level, can we conclude that less

    asked by Shelli
  2. music

    Is the sonata-allegro form still being used today?

    asked by amber
  3. Algebra 1

    sqrt r - sqrt s/ sqrt r + sqrt s =r sqrt r- sqrt rs +sqrt s/ r can someone check this for me please.

    asked by Diane
  4. Chem 3A

    please help me with this chemistry problem. Half-Life A radium-226 sample initially contains 0.112 mol. How much radium-226 is left in the sample after 6400 years? The half-life of radium-226 is 1600 years.

    asked by shylo
  5. english

    choose the phrase that's correctly capitalized? A-an italian grocery B-the prudential building C-the renaissance D-CHEMISTRY 101

    asked by anita
  6. Maths - its due 2moro please help

    2)Prove the following identities: a)(cosecx + cotx)(cosecx - cotx) = cotxtanx b)2/1+sinx + 1/1-sinx = 3sec^2x - tanxcosecx

    asked by sweetG
  7. Summer School Calculus

    I don't know how to answer this: A vector can be used to represent the path of a drill tip used to bore a deep mine shaft in Sudbury one quarter of the way to the centre of the Earth. Represent the vector using a directed line segment and Cartesian

    asked by Derek
  8. comprehensive grammar

    Inclusive Language: Nonsexist 1a. I understand Dr. Maurice hired a new nurse. What is her name? 1b. I understand Dr. Maurice hired a new nurse. What is his or her name

    asked by ann johnson
  9. physical chemistry

    how can i get the critical temperature of CO2 given a set of data which consists of surface tension and density at different temperatures. The table looks like this: T(oC) density surface tension 0 0.927 4.50 20 0.772 1.16 I really need some help about

    asked by kkk
  10. math

    what is the derivative of y=4secx^2=3cotx ?

    asked by L.
  11. math

    f(x)=sin3x, find f^(79) and f^(120)? What am I suppose to do?

    asked by Bee
  12. Calc.

    What are three real-world applications for vector projections? Thank you.

    asked by Zorba
  13. math

    When looking for the vertical asymptote in for example, 1/(x^2+3), would the vertical asymptote be radical 3 or just there isn't one?

    asked by Bee
  14. Algebra

    25x^4-20x^2+3=0 = x= i sqrt3/5,-i sqrt3/5. I used the method complete the square. is this is correct

    asked by Anne
  15. Need some ideas.... for a Pre-K class

    I am teaching a Pre-K class this summer and the theme for the next two weeks is Community History. What could I all my pre-k class to do that connects to this theme? I thought of helping them to construct houses or certain buildings using boxes and also

    asked by MARY
  16. math

    Solve the following equation for theta (θ) over the given domain: √3 sin 2θ = cos 2θ Domain: 0 < θ < 360

    asked by sweetG
  17. Maths - due 2moro as well please help

    3)Show that (cot^2)x - (cos^2)x = (cos^2)x(cot^2)x

    asked by sweetG
  18. Math

    Linda is 9/10 as tall as patrick and 3/4 as tall as Ali. If the total height of the 3 pupils is 418.5 cm, how much taller is Ali than Patrick? Please help me and tell me how you get the answer step by step. Thanks

    asked by Jenny
  19. algebra

    do I do this correct and if not can you please show and tell me what I did wrong? thank you 6x^2-7x=3 We have to move the 3 to the left so it becomes 6x^2-7x-3=0 6x^2-7x-3=0 this makes this a quadratic equations 6*x^2-7*x-3=0 and has the answer of 1.5,-0

    asked by jean
  20. inside criminal law

    Identify one justification and excuse defense.

    asked by sandy
  21. math

    x^3+x / x+1 what is the horiztonal asymptote?

    asked by Bee
  22. math

    (Csquared+14c+49)divided(c+7) The quotient is?

    asked by Lauren
  23. Math

    John was building a new fence, and he wants it to stand 8 1/2 feet above ground level. To make sure it is secure he must place it 2 3/4 feet into the ground. How long of a post should John buy?

    asked by Janea
  24. Graph question-geometry

    Which axis is the independent value?

    asked by Jay
  25. Algebra

    Solve:25x^4-20x^2+3=0 =(sqrt5/5),-(sqrt5/5),(sqrt15/5),(-sqrt15/5). Can you tell me which one is correct.This is a second post to the first one.

    asked by Anne
  26. politics

    what are the views on restriction of immigration from all the parties (democratic, republican, and libertarian?)

    asked by Casey
  27. algebra

    did i do this correct and if not can someone help me to do it correct and show me the steps so i know what i did wrong. thanks. a^2+2a¡Ü15 (a+5)(a-3)¡Ü0 (a+5(a-3)¡Ü3 Solution is -5¡Üa¡Ü3

    asked by jean
  28. Algebra

    1/z=2/z-1/11 the answer is z=11 is this correct.

    asked by Cynthia
  29. critical

    Identify the principal issue presented by the source Critical Analysis

    asked by catherine
  30. geography

    my home work question is how girls are dis crimenated in india

    asked by manshant
  31. Math

    Find a polynomial for the perimeter and for the area. b+8=length b=width

    asked by Mike
  32. crt205

    When liquor was banned in 1920, hospitalizations for acohlism and related diseases plummeted in 1933, when prohibition was repealed, alcohlo-related illnesses rose sharply again. Legalization of cocaine, heroin, and marijuana would not curb abuse of those

    asked by lynn
  33. literature

    which one of the following genres presents the authors personal ideas and feelings about a particular topic?

    asked by zenobia