xxx

Popular questions and responses by xxx
  1. physics

    A 28.0 block is connected to an empty 2.20 bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.44 and the coefficient of kinetic friction between the table and the block is 0.35. Sand

    asked on October 31, 2011
  2. English

    I read the zen parable "Muddy Road" but I don't understand what the moral is. Can anyone explain it to me? Here is the parable: Tanzan and Ekido were once traveling together down a muddy road. A heavy rain was still falling. Coming around a bend, they met

    asked on November 24, 2017
  3. Algebra

    The Mathletes won 2 of their first 10 meets. They went on to win all their remaining meets and finished the year with an equal number of wins and losses. What is the total number of meets in which the Mathletes competed?

    asked on June 25, 2015
  4. Algebra

    Eight U.S. coins are worth a total of 38 cents. How many of the coins are dimes?

    asked on June 25, 2015
  5. Algebra

    Find all complex numbers $z$ such that \[ |z|^2-2\bar z+iz=2i. \]

    asked on June 18, 2015
  6. Algebra

    For what real number k does the product (25 + ki)*(3+2i) equal a real number?

    asked on June 16, 2015
  7. Difficult Math

    One quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle, and 0.5 are from his brother. The rest are from Steve's cousin. Thirty of the cards from his cousin are National League players; the other half are

    asked on November 17, 2016
  8. Algebra

    Find the largest three-digit number that can be written in the form 3^m + 2^n, where m and n are positive integers.

    asked on June 25, 2015
  9. Algebra

    Given that -3

    asked on May 28, 2015
  10. English

    Which form best describes this poem?

    asked on February 21, 2020
  11. English

    To which sentence does the imagery in lines 8 and 9 appeal to

    asked on February 21, 2020
  12. physics

    Shoes made for the sports of bouldering and rock climbing are designed to provide a great deal of friction between the foot and the surface of the ground. Such shoes on smooth rock might have a coefficient of static friction of 1.2 and a coefficient of

    asked on September 27, 2015
  13. Algebra

    The Smith family has 13 children, all born exactly 2 years apart. How old will the second-youngest child be when the oldest child is five times the age of the youngest child?

    asked on June 25, 2015
  14. Algebra

    Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible score he could have

    asked on June 25, 2015
  15. Algebra

    A car gets 30 miles per gallon of gas and is driven 1000 miles per month. Gas costs $4 per gallon. How much will the car's owner save on gas expenses in one year by buying a new car that goes 50 miles for each gallon of gas?

    asked on June 25, 2015
  16. Algebra

    For what real values of a does the quadratic 4x^2 + ax + 25 have nonreal roots? Give your answer as an interval.

    asked on June 23, 2015
  17. Algebra

    The surface area of a box is 160. The length of the box is twice its width as well as 4 less than its height. How many units are in the height of the box? (The surface area of a box is the sum of the areas of all 6 of its rectangular faces.)

    asked on June 3, 2015
  18. math

    Find the slope of the line passing through the points. 1. (5,7), (-2,-3) 2. (6,3), (4,7) ..thanks

    asked on May 3, 2009
  19. calculus

    Every month, a girl gets allowance. Assume last year she had no money, and kept it up to now. Then she spends 1/2 of her money on clothes, then 1/3 of the remaining money on games, and then 1/4 of the remaining money on toys. After she bought all of that,

    asked on April 30, 2009
  20. Social studies

    In which of the following areas is there a large concentration of American Indian and first Nations people

    asked on February 20, 2020
  21. calculus

    given the function g(x)=m(-2x+2)^5 -n, where m and n don't equal zero and are constants. find g'(x) and g"(x)

    asked on January 12, 2020
  22. geography

    What type of government did Russia have under the Soviet Union? A.democratic B.communist C.republic D.monarchy

    asked on January 23, 2019
  23. math

    lim x---> -infinity (-3x+1)/ [radical(x^2 + x)]

    asked on May 30, 2018
  24. Math

    Find 3 and 2/7 + 2 and 3/14 + 4 and 3/7 A:9 and 8/14 B: 10 and 1/7 C:9 and 3/7 D: 9 and 13/14

    asked on December 19, 2017
  25. science

    if two balls made of iron and aluminum of equal volumes are immersed in a liquid, then will they experience equal upthrust?

    asked on March 21, 2017
  26. Difficult math 2

    At the market, 0.2 of the pieces of fruit are peaches, 0.25 is apples, 0.05 is lemons, 0.1 is cherries, 0.2 is grapes, and 0.15 is plums. There are also 8 pineapples and 4 mangos. How many peaches are for sale at the market? How many apples? Lemons? Plums?

    asked on November 17, 2016
  27. maths

    the total cost of 5 pens and 10 pens is 30 . of pen cost 3 more than the pencil . find the cost of each item

    asked on December 7, 2015
  28. Algebra

    For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

    asked on June 24, 2015
  29. Algebra

    For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

    asked on June 23, 2015
  30. Algebra

    For what real values of c is 9x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

    asked on June 23, 2015
  31. Algebra

    The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a + b?

    asked on June 23, 2015
  32. Algebra

    What constant must we place in the blank below in order to be able to factor the resulting expression into the product of two linear factors: 2mn - 16m - 7n + ____

    asked on June 16, 2015
  33. Algebra

    A number is called a perfect square if it is the square of an integer. How many pairs of perfect squares differ by 495? (Order does not matter. So, the pair "16 and 9" is the same as "9 and 16".)

    asked on June 11, 2015
  34. Algebra

    Let r and s be the roots of y^2 - 19y + 7. Find (r-2)*(s-2).

    asked on June 11, 2015
  35. Algebra

    A monic quadratic is a quadratic in which the coefficient of the quadratic term is 1. For example, r^2 - 3r + 7 is a monic quadratic, but 3t^2 - 3t + 1 is not. A teacher writes a monic quadratic on the board. Joanie copies the quadratic onto her paper, but

    asked on June 4, 2015
  36. Algebra

    A monic quadratic is a quadratic in which the coefficient of the quadratic term is 1. For example, r^2 - 3r + 7 is a monic quadratic, but 3t^2 - 3t + 1 is not. A teacher writes a monic quadratic on the board. Joanie copies the quadratic onto her paper, but

    asked on June 3, 2015
  37. Algebra

    At the end of Week 5 of my basketball team's season, our record is 3 wins and 17 losses. Each week after that, we win 3 games and lose 1 game. At the end of which week will my team have won at least 65% of its games total for the first time in the season?

    asked on May 27, 2015
  38. XXX

    At the end of Week 5 of my basketball team's season, our record is 3 wins and 17 losses. Each week after that, we win 3 games and lose 1 game. At the end of which week will my team have won at least 65% of its games total for the first time in the season?

    asked on May 26, 2015
  39. Algebra

    Find B - A if the graph of Ax + By = 7 passes through (2,1) and is parallel to the graph of 2x - 7y = 3.

    asked on May 21, 2015
  40. XD

    In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is still 8 km from finishing and Caitlin is 12 km from finishing. When Becky crosses the finish line, Caitlin still has d kilometers

    asked on May 6, 2015
  41. XD

    James, Karen, and Lou are hiking. Lou forgot to bring any water. James brought 2 gallons of water and Karen brought 1 3/4 gallons of water. The three of them agree to divide all the water equally among them. Lou gives $2 for the water he receives, which

    asked on May 6, 2015
  42. Chemistry

    10ml 15% HCl + 5g NaHCO3 = NaCl + CO2 + H2O. How much CO2 [L]

    asked on November 4, 2013
  43. Science [Earth]

    Can you please: 1. briefly explain the concept of radioactive decay and describe how it can be used to find the absolute age of rocks. 2. contrast relative age with absolute age and describe at least three methods of determining either. 3. compare

    asked on May 8, 2009
  44. cultural studies - world history

    Hey. I have to write about Mayan and Aztec civilization. Well, first of all, it has to be a diary, as if I'm going back in time and visiting those two civilizations. Basically, it's like I'm visiting Mesoamerica and I have to write down a diary entry on

    asked on May 8, 2009
  45. math (graphing)

    I need to graph "y = -2x+5" and "y = 4/5x-3"... I don't think it's possible to help graphing on this site.. so can you please tell me any other sites where it would show how to graph those equations? also, I'm having trouble graphing INEQUALITIES. any help

    asked on May 3, 2009
  46. math

    Find intercepts of the graph of the equation. 1. y = -6 2. y = 3x+9

    asked on May 3, 2009
  47. math

    1. The x-intercept of a line is -3. The y-intercept of a line is 6. What is the slope of the line? 2. What is the equation in slope-intercept form of the line described in Exercise 1? can you please explain and answer it?? im having lots of trouble with

    asked on May 3, 2009
  48. calculus

    1. One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and 196 legs. Yet he knew the number of humans and horses there. How did he do it, and how many humans and horses are there? im

    asked on April 30, 2009
  49. algebra

    6x+8y=24, 8y-6x=2 what is x and what is y? urgent! thanks:)

    asked on April 30, 2009
  50. math

    1. The x-intercept of the line is -3. The y-intercept of the line is 6. What us the slope of the line? 2. What is the equation in slope-intercept form of the linedescribed in Exercise 1?

    asked on April 29, 2009
  51. math

    The roof of a fence rises 3 feet vetically, for every 5 feet it runs horizontally. What is the slope of the roof? It's the second time I'm posting this question and the first time I got an answer: 60%. [3/5] Is it right?

    asked on April 29, 2009
  52. math

    tell whether the ordered pair is a solution of the equation y=-4x+3 1. (-2, -5) 2. (3, -9) 3. (1/2, 1) my answers: 1. no, 2. no, 3. no but I don't think they're right... can you please check??

    asked on April 23, 2009
  53. math

    write a function rule the relates the inout X and output Y: (0,1), (1,4), (2,7), (3,10) please help! I can't get this one..

    asked on April 23, 2009
  1. math (cant figure it out)

    Lady Unsane got me a 9/18... I was failing anyway though

    posted on May 4, 2020
  2. Physics

    lol

    posted on March 28, 2020
  3. Language Arts

    Nina Rose got me 17 out of 26 with one grade that could be worth for possible points

    posted on February 21, 2020
  4. Social studies

    Still works twig lets goo

    posted on December 17, 2019
  5. language arts

    ELA TEACHER you do know that starr wont affect you're grade or make you repeat the grade so it really doesn't matter

    posted on December 2, 2019
  6. Math

    I don't know???

    posted on January 11, 2018
  7. Math

    Thank you so much for helping me x

    posted on December 20, 2017
  8. chemistry

    is it false?

    posted on November 26, 2017
  9. English

    So what lesson is taught from that?

    posted on November 24, 2017
  10. Algebra

    7000 than 700

    posted on September 12, 2017
  11. Difficult math 2

    0.95

    posted on November 17, 2016
  12. Language Arts, can anyone check?

    asdf is correct.

    posted on May 13, 2016
  13. Algebra

    Answer please!!!

    posted on June 24, 2015
  14. Algebra

    Pleeease answer my question Damon!

    posted on June 23, 2015
  15. Algebra

    Please convert that to an interval!

    posted on June 23, 2015
  16. Algebra

    Damon, that is against the rules!

    posted on June 23, 2015
  17. Algebra

    What?

    posted on June 23, 2015
  18. Algebra

    the bar is the complex conjugate

    posted on June 18, 2015
  19. Algebra

    Yes

    posted on June 16, 2015
  20. Algebra

    Is the answer 56?

    posted on June 16, 2015
  21. Algebra

    are you sure? I need the actual answer.

    posted on June 16, 2015
  22. Algebra

    please continue

    posted on June 12, 2015
  23. Math

    2=6, 3=12, 4=20, 5=30, 6=42, 7=56, 8=72, 9=90. 90 is your answer.

    posted on June 11, 2015
  24. Algebra

    A monic quadratic is a quadratic in which the coefficient of the quadratic term is 1. For example, r^2 - 3r + 7 is a monic quadratic, but 3t^2 - 3t + 1 is not. A teacher writes a monic quadratic on the board. Joanie copies the quadratic onto her paper, but

    posted on June 4, 2015
  25. Algebra

    it is wrong!

    posted on June 4, 2015
  26. XD

    Sorry, but that is incorrect. :(

    posted on May 7, 2015
  27. chem help

    DrBob222...I would assume if people KNEW how to answer a question they would NOT have to seek help on this site. always xxx

    posted on April 22, 2015
  28. Maths Probability

    1)3/32 correct 2)0.5 correct 3)1/3 incorrect 4)20/3 incorrect 5

    posted on May 20, 2014
  29. Maths Probability

    2) 0.5

    posted on May 20, 2014
  30. CHEMISTRY

    Let's play around! Go GO Go!!! FIre in you hole!

    posted on December 16, 2012
  31. Chemistry :(

    Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.

    posted on December 16, 2012
  32. chemistry

    Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.

    posted on December 16, 2012
  33. Chemistry

    Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.

    posted on December 16, 2012
  34. Science

    Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.

    posted on December 16, 2012
  35. Chemistry

    Yawnnnn. What a kind-hearted person you are Odesa I am touched by your way of cheating and helping each other. LOL.

    posted on December 16, 2012
  36. chemistry

    No one will kick them out of the course, who can detect them via this Jishka website? They already done the disgraceful deeds by their own, that will be their punishment. LOL.

    posted on December 16, 2012
  37. chemistry

    Odesa, like to help each other to cheat because he/she like to be cheated... Hahaha

    posted on December 16, 2012
  38. Chemistry

    Bunch of cheaters who can not respect the code of honor... LOL.

    posted on December 16, 2012
  39. Chemistry

    The formula and explanation are given in the lecture video S23V2, in this case what you need to be cautious is the Z, Pt and Au are FCC structure, hence you need to draw the unit cell and its surrounding unit cell to get the idea of the coordination

    posted on December 16, 2012
  40. Chemistry

    184 hours = 7.6 days ==> 1 week? The steel industry will collapse if this is the answer. LOL! Just by seeing the figure one can tell this does not make sense.

    posted on December 15, 2012
  41. College Chemistry

    u dr bob, explain further dunt just say NO, ok

    posted on November 26, 2010
  42. science

    Both the terms Aves and Neornithes apply to birds. Hope this helps.

    posted on May 9, 2009
  43. Math

    An example of a math expression is: 2x+3x-4 No, you can't solve for a variable in an expression. Still, you can simplify it. For example: is an expression , it does not prompt you for an answer because it is not a "complete" thought. Since it is not a

    posted on May 5, 2009
  44. math (graphing)

    okayyy.. what about "y < -2" ????

    posted on May 3, 2009
  45. math (graphing)

    Thank you VERY much! You're my savior :) just one more question.. I NOW understood how to graph equations.. but I still have to graph inequalities, which seems much more complicated from my point of view. I've got two inequalities that I have to graph. 1.

    posted on May 3, 2009
  46. math

    I think I got it right for number 2. My answer is "x=-3" and "y=9". But I'm confused with number 1, 'cause there is no X. :/

    posted on May 3, 2009