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Popular questions and responses by Key
  1. algebra

    One serving of oatmeal has 8 grams of fiber, which is 34% of the recommended daily amount. What is the total recommended amount of fiber? Round to the nearest whole number.

    asked on August 30, 2017
  2. College Algebra

    Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might

    asked on September 8, 2017
  3. chemistry

    Need Help Finishing: Purpose: • To observe a chemical reaction. Materials: • Vinegar (acetic acid, CH3COOH) • Baking soda (NaHCO3) • Measuring cups and spoons • Cup Procedure: 1. Place ½ cup of vinegar in the cup. 2. Add 1 tablespoon on baking

    asked on January 21, 2007
  4. College Algebra

    A 30-foot string of lights will be attached to the top of a 24-foot pole for a holiday display. How far away from the base of the pole should the end of the string of lights be anchored.

    asked on September 1, 2017
  5. College Algebra

    A chicken farm ideally produces 300,000 eggs per day, but this total can vary by as much as 12,500 eggs per day. What is the maximum and minimum expected production at the farm?

    asked on September 9, 2017
  6. english

    Rewrite the following sentence correctly using colons and/or semicolons. The semester was almost over consequently, many students were frantically studying.

    asked on September 12, 2018
  7. Algebra

    Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might

    asked on September 9, 2017
  8. chemistry check

    1. 48 KNO3+ _ C 12 H22O11-„³ ? CO2+ _ N2+ _ K2CO3+ _ H2O a. 12 b. 24 s c. 36 d. 48 The reaction is 48 KNO3 + 5 C12H22O11 --> 24 K2CO3 + 36 CO2 + 55 H2O + 24 N2 So the answer is C =36 2. 6 KNO3+ _ S + ? H2O„³ _ H2SO4+ _ N2+ _ K2SO4 a. 2 b. 4 c. 6 d. 8

    asked on January 24, 2007
  9. math

    find the exact coordinates of the point on a circle of radius 5 at an angle of 5pi/3. thanks for any help! (:

    asked on March 10, 2020
  10. chem

    PLEEEZE help name the type of reaction K + MgBr -> Not enough information is provided. And not magnesium bromide is MgBr2. Is this a solution phase or exactly how is the K metal added to the MgBr2? As DrBob has indicated, not all of the information has

    asked on February 19, 2007
  11. chemistry

    Predict the precipitate that forms: HCl + AgNO3 --> ??? i don't know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question

    asked on January 29, 2007
  12. Math

    In the game SCRABBLE, there are 100 tiles. Two tiles are blank. Here is the number of tiles for each letter. Letter Number of Tiles Letter Number of Tiles A 9 N 6 B 2 O 8 C 2 P 2 D 4 Q 1 E 12 R 6 F 2 S 4 G 3 T 6 H 2 U 4 I 9 V 2 J 1 W 2 K 1 X 1 L 4 Y 2 M 2

    asked on April 17, 2018
  13. chemistry

    could someone check my answers to see if they are right? Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 6 KNO3+ _ S + ? H2O _ H2SO4+ _ N2+ _ K2SO4 answer:6KNO3 + 5S + 2H2O --> 3 K2SO4 + 3N2

    asked on January 24, 2007
  14. physics

    A steel rod is 3cm in diameter at 25C. A brass ring has an interior diameter hole of 2.994cm at 25C. At what common temp will the ring just slide onto the rod? alpha(steel)- 11x10^-6 alpha(brass)= 19x10^-6

    asked on September 4, 2013
  15. geography

    Which countries in southwest Asia are democracies

    asked on April 12, 2019
  16. chemistry check

    please check Write the balanced equation, with the enthalpy component, for the rusting process, given that Hf for iron and oxygen is 0 and Hf for ferric oxide is -826 kJ/mol. 4 Fe (s) + 3 O2 (g) --------> 2 Fe2O3 (s) You need to add the heat one of three

    asked on February 8, 2007
  17. Chemistry

    Is this correct? Thanks. What is the standard cell potential? Pb2+ ( aq ) + 2e „³ Pb (s) -0.13V Mn2+ ( aq ) + 2e „³ Mn (s) -1.19V Pb2+ ( aq ) + 2e „³ Pb (s) -0.13V Mn (s) „³ Mn2+ ( aq ) + 2e ¡V +1.19V The electrode potential for a given cell,

    asked on March 22, 2007
  18. geometry

    Some irragation spray water in a circular pattern. you can adjust the nozzle to spray in certain directions. the nozzle in my diagram is set so it does not spray on the house. if the spray has a radius of 12 feet what is the approximate length of the arc

    asked on December 1, 2010
  19. Math

    Graph the inequality on the numberline and then write it in interval notation. 2/3a-1/4a

    asked on September 4, 2017
  20. geometry

    the triangles formed by two ladders leaning against a wall are similar. how long is the shorter ladder? the first ladder is 42ft and leans against the wall at 24ft, and the shorter ladder leans against the wall at 8ft.

    asked on March 10, 2020
  21. chemistry

    what are some the different types of chemical reactions that occur on a daily basis our lives? wouldnt there be many? eating, taking medications, would emotion be or cause chemical reaction? All of the above. Add breathing. Don't forget the cars we drive,

    asked on February 14, 2007
  22. chemistry

    are these endothermic or exothermic? 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 A negative delta H means the heat is given up by the reaction. A + delta H means the heat is added to the reaction. thanks

    asked on February 5, 2007
  23. Algebra

    Solve for x ax^2 - 2ax - 4 =0

    asked on December 23, 2016
  24. math

    find the zeros of the function by rewriting the function in intercept form? y=81x^2-16

    asked on January 1, 2009
  25. algebra

    simplify log 10^36 - 2(10^log 12) a. -108 b. 0.25 c. 1.5 d. 12

    asked on March 17, 2020
  26. Finance

    Cash Equation: Bettendorf Corporation has a book net worth of $17,800. The company's long-term debt is $6,900. Its net working capital, excluding cash, is $1,600. Its fixed assets are $21,300. How much cash does the company have? If the current liabilities

    asked on December 17, 2014
  27. physics

    An ideal gas, for which gamma=1.5, undergoes an adiabatic expansion in which its volume is doubled. if the initial temp if the gas is 27 C, what is the final temperature of the gas?

    asked on September 4, 2013
  28. chemistry

    Do any of you think that spontaneous combustion is possible? If a reaction brings about an increase of entropy (increase in randomness) and also exodermic, then a reaction is spontaneous. Right? Yes, I think spontaneous combustion is possible. It happens.

    asked on April 16, 2007
  29. chemistry

    having trouble posting but will try again. translate the following verbal description into scientific notation. magnesium ribbon is burned in pure oxygen gas. thanks The reaction forms magnesium oxide (MgO). Se if you can write the balanced reaction.

    asked on January 19, 2007
  30. Business Ethics

    Neka Kiser, vice president of operations for Mountain National Bank, has instructed the bank’s computer programmer to use a 365-day year to compute interest on depository accounts (payables). Neka also instructed the programmer to use a 360-day year to

    asked on November 22, 2008
  31. chemistry

    i had a lab that combined 1/2 cup of H2O2 (118.3 ml) and 2 tsp of yeast. is the equation for the reaction 2H2O --> 2H2O + O2 what would the mass be for each product in the reation? Is the density of H2O2 1.4g/ml? Here is some interesting reading on this

    asked on January 29, 2007
  32. algebra

    Two trains leave stations 50 miles apart at the same time heading toward one another on parallel tracks. Train A is traveling 20 miles an hour and Train B is traveling 30 miles an hour. They pass eachother in how many hour(s).

    asked on June 18, 2013
  33. chemistry

    thanks for any help with these translations into scientific notation: 1. magnesium ribbion is dropped into an aqueous solution of hydrochloric acid 2. a solid peice of copper is burned in pure oxygen 3. zinc carbonate is strongly heated in a crucible 4.

    asked on January 19, 2007
  34. College Algebra

    The sum of three consecutive integers is −99. Find the three integers.

    asked on August 30, 2017
  35. math

    Think about it ... Julie says that a rotation of 180° around the origin is the same as the reflection in the x-axis followed by a reflection in the y-axis. Is Julie correct? Justify your answer and be sure to include a diagram. I just wanna know does

    asked on April 24, 2018
  36. Algebra : Please Help?

    3. How to graph f(x)=-3x^2-1. 4. How to graph f(x)=-2\sqrt{x}.

    asked on September 18, 2017
  37. philosophy

    what would john locke think about the sci-fi movie "total recall" He believed men were driven by greed. The villian in the movie was just as greedy as they come. http://en.wikipedia.org/wiki/John_Locke

    asked on May 7, 2007
  38. psychologgy

    I am having trouble with this assignment. I don't want answers to all of these but if you could help me with one so i get an idea of the assignment. no chart needed just an example. pleeze. thanks Using a simple chart for display, create mnemonics for the

    asked on March 9, 2007
  39. chemistry

    I was way off on the other problem. But I see how you got the answer. Last one...thanks i'm learning more here thn class What is the sum of the coefficients (including “1”) of the following reaction? Sodium sulfate + calcium hydroxide ??? Write the

    asked on January 29, 2007
  40. chemistry

    thanks DrB I got AgCl also Could you check this problem as well? If you start with .500 moles of NaF, how many moles of CaF will form? I got .250 that is correct as far as i know i got the same thing That's correct. Your answer is right. I can only assume

    asked on January 29, 2007
  41. chemistry

    Translate the following verbal descriptions of reactions into scientific notation. Be on the lookout for diatomic molecules. 1.

    asked on January 19, 2007
  42. Algebra

    1.what is the range of f(x)=2. 2. How to graph f(x)=5x. 3. How to graph f(x)=-3x^2-1. 4. How to graph f(x)=-2\sqrt{x}. 5. How do we graph -4/x/. 6.It is curved at 1 on the graph. How to solve f(x)=2.

    asked on September 17, 2017
  43. Math

    10 animals 36 legs How many have 2 How many have 4 10X2 =20 36-20 = 16 Is that right?

    asked on February 21, 2017
  44. help...chemistry

    i am stumped on this. please help. Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 48KNO3 + _ C12H22O11 ---> ? CO2 +_ N2 + _K2CO3 +_ H2O thanks I left the CO2 for you but it will balance.

    asked on January 21, 2007
  45. psychology

    Are there ways to revise current IQ tests and improve them so they are not culturally biased? Here are a couple of very interesting sites that may give you some good ideas. www.psychpage.com/learning/library/intell/biased.html

    asked on January 11, 2007
  46. psychology

    why is the Cognitive theory the most popular among contemporary therapists. I'm not sure what you mean by "popular." Very often therapists are relatively eclectic, using the best aspects of several theories rather than just one. It also depends on which

    asked on February 15, 2007
  47. chemistry help

    If you start with 20.0 grams CaCO3, how many moles of CaCO3 do you have? mols = g/molar mass. Approximately 0.200 mols.

    asked on January 29, 2007
  48. chemistry help

    i have come up with two answers but i am not sure which one is correct. please help. Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 1. 48 KNO3+ 5C12 H22O11 ? CO2+ 24N2+ 24 K2CO3+55 H2O a.

    asked on January 24, 2007
  49. psychology

    What do the results of twins studies on IQ say about John Locke’s theory? (Broken Link Removed) Here are some quotes to assist you in this nature vs nurture debate. The last really answers your question. The others mainly point out the fallacies

    asked on January 11, 2007
  50. Algebra : Please Help?

    3. How to graph f(x)=-3x^2-1. 4. How to graph f(x)=-2\sqrt{x}.

    asked on September 17, 2017
  51. College Algebra

    1. −2|b+1|−5=−9 2. −4|a+5|+3=−13

    asked on September 9, 2017
  52. College Algebra

    The ice rink sold 90 tickets for the afternoon session, for a total of $700. General admission tickets cost $10 and youth tickets cost $6 each. How many of each kind of tickets were sold?

    asked on September 3, 2017
  53. math

    how can we write 4√2 as a decimal

    asked on September 1, 2017
  54. algebra

    For the polynomial function, find f (-1) and f (2) f (x) = -x2 + 5 x3 - 6 f (-1) = ? f (2) = ?

    asked on February 18, 2016
  55. chemistry check

    What is the sum of the coefficients (including “1”) of the following reaction? Sodium sulfate + calcium hydroxide ??? Na2SO4 + Ca (OH)2 --> 2 NaOH + CaSO4 a. 4 b. 5 c. 6 d. 7 e. 9 the sum of coefficients are = 1 + 1 + 2 +1 = 5 Goodness, you add the

    asked on January 30, 2007
  56. chemistry

    may i get some help with this.. Translate the following verbal descriptions of reactions into scientific notation. Be on the lookout for diatomic molecules. 1.

    asked on January 19, 2007
  57. Algebra

    how write 4 square root of 2 in decimals.

    asked on September 1, 2017
  58. math

    Are all quadratics of the form y = ax^2+bx +c and y = -ax^2+bx +c functions? Explain your answer.

    asked on May 6, 2013
  59. math

    solve the equation (x-5)^2=10

    asked on January 2, 2009
  60. chemistry

    Could you explain this problem to me? What is the sum of the coefficients (including “1”) of the balanced equation? __CaCO3 + __NaF __ CaF2 + __Na2CO3 a.

    asked on January 29, 2007
  61. math

    use the quadratic formula to solve the equation: x^2+10x-10=0

    asked on January 4, 2009
  62. math

    solve the equation 3(x+2)^2-4=11

    asked on January 3, 2009
  63. math

    11 -3 1/2

    asked on December 2, 2010
  1. geography

    Cyrus, lebanon, Israel, and yemen

    posted on April 12, 2019
  2. Geometry

    Yes a year later he still needs help :(

    posted on February 19, 2019
  3. PreCal

    93•10^6

    posted on December 6, 2018
  4. math

    Thank you very much ^^

    posted on April 24, 2018
  5. Math

    Thank you

    posted on April 17, 2018
  6. circle

    133

    posted on May 10, 2017
  7. Geometry

    133

    posted on May 10, 2017
  8. MATH Prob.

    A charity is holding a raffle and sells 2000 tickets for​ $2 each. One ticket will win a grand prize of​ $500. Two other tickets will be selected to win consolation prizes of​ $50 each. Find the expected value if you buy one raffle ticket.

    posted on October 5, 2016
  9. Physics

    someone help him out, we all need a chance

    posted on May 11, 2016
  10. nonfiction

    YALL BE LIEIN

    posted on October 14, 2013
  11. budgeting

    COLA raises are linked to

    posted on November 27, 2012
  12. budgeting

    Which one of the following statements best describes a budget "blind spot"? A. Too little money was set aside to cover an expense. B. This is an expense the person overlooked or did not account for when setting up the budget. C. This is an item that

    posted on November 27, 2012
  13. Romeo and Juliet Help (24 hours and no response)

    what warning does the princes issue to the Capulet and Montagues?

    posted on March 7, 2012
  14. chemistry

    28

    posted on October 30, 2011
  15. ECG Help - Bio

    isn't it 1Hz, because it's from peak to trough, which is not one cycle!

    posted on October 18, 2010
  16. Geography

    read pages 401 to 403 in your book

    posted on September 7, 2010
  17. math

    is it -16

    posted on January 1, 2009
  18. algerbra

    7x

    posted on April 1, 2008