1. Calc I

    I'm a little confused about this one, it seems different from the rest of our homework! Could someone give me some hints? Thank you! Find the first and second derivative of the function. Check to see that your answers are reasonable by comparing the graphs
  2. History

    Look up the 12th amendment to the constitution and summarize it in several sentences. then discuss its impact on theelections of 1804 ? Are you going nuts? Do you think someone here will do that for you? Folks here will gladly critique your work or
  3. English

    1. I made Harry Porter interesting by adding more stories. (is this sentence grammatical?) 2. We shook the building, and it fell dowm. (Is this grammatical?) 3. I will give some hints to you? (What does 'hints' refer to? What are other similiar
  4. physics

    A wrecking ball is hanging at rest from a crane when suddenly the cable breaks. The time it takes for the ball to fail halfway to the ground is 1.2s. Find the time it takes for the ball to fall from rest all the way to the ground. Can anyone give me some
  5. economics

    Which is likely to have the larger effect on the CPI, a 2 percent increase in food or a 3 percent increase in diamond rights? (Hint: Assume a normally distributed country with male:female ratio of 1:1) Can anyone please give me some hints to do it???or
  6. gnozahs

    I removed about ten questions you posted this morning. There was no indication of what you had done, what your thinking was, or what you wanted from us. We are not going to do homework for you. If you want hints on these calculus questions, say so, or ask
  7. Physics

    A bullet of mass 3.3 10-3 kg moving at 750 m/s impacts with a large fixed block of wood and travels 5 cm before coming to rest. Assuming that the deceleration of the bullet is constant, find the force exerted by the wood on the bullet? I am confused on how
  8. physics

    a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic friction between the ice and the skate blades is 0.100. find the deceleration caused by kinetic friction. (b)how far will the
  9. government

    Ok so I am doing my homework and I am really confused about this question. I am not trying to just have you guys do it for me but I really need help. If you could give me the answer that would be great but I would love a hint or something like that to help
  10. chemistry

    Somewhat confused... my homework is asking me to calculate morality of sodium thiosulfate from a 55 ml solution. the sodium's volume is 50 ml and has a concentration of 0.25M. The rest of the 55ml comes from the 5ml of HCL.
  11. Physics. Speed of electron...

    An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 1.5 x 10-7 C/m2, and the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before it
  12. physics

    A satellite has a mass of 5850kg and is in a circular orbit 4.1*10^5m above the surface of a planet. The period of the orbit is two hours. the radius of the planet is 4.15*10^6m.What is the true weight of the satellite when it is at rest on the planet's
  13. physics

    a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic friction between the ice and the skate blades is 0.100. find the deceleration caused by kinetic friction. (b)how far will the
  14. Physics

    A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.10 m/s collides head-on with a 0.780 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision? 1. ball originally at
  15. Trigonometry

    This is not a school homework help. I am practicing for a test where one of the objective says "Applying trigonometric functions in authentic contexts involving periodic phenomena". What am I supposed to study about this. Any hints? Thanks.
  16. Confused

    Somebody at my school said that Jiskha homework help blocked them from posting answers for no reason. That person is a big bully and I don't believe him. Is that true? Why would that happen...? Confused... Hello Kitty :-)
  17. physics

    A spelunker drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone striking the bottom is heard 1.50s after the stone is dropped. How deep is the hole? how can i use the speed of sound to solve this
  18. writing skills

    Do your homework before applying for any job. If you rewrote sentence 5 beginning with Be sure that you the next words should be 1 got done your homework 2 got your homework done 3 had done your homework 4 did your homework 5 have done your homework answer
  19. english

    Do your homework before applying for any job. if you rewrote the sentence beginning with (Be sure that you) the next words would be? 1)got done your homework 2)got your homework done 3)had done your homework 4)did your homework 5)have done your homework
  20. world history

    Why were the European nations able to carve Africa up for themselves ? Can you give me some hints to be able to answer this question please? thank you
  21. help me please

    today has been very hectic along with homework i found out about 3 tests that i have tommorrow. I have to study for all three of the tests. The first is biology, second, is business law, and third it in Algebra II, and for homework I have to read 10 pages
  22. PLS HELP REAL BAD, I COULD FAIL!

    A store is having a 10%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $199.99. Will you get the second discount and if so, how many dollars will you save in total? Could anyone give me a
  23. English

    A: (Are) (you) (doing) your homework? [3 points] B: Yes, I am. I'm doing math homework. 1. (You) (are) (doing) your homework? =========================== There are three blanks in the first sentence. Students are asked to fill in the blanks with suitable
  24. business

    Why is the initial phase of the planning process referred to as “data gathering”? Please give me some hints!!!THANKS A LOT!!!!!!!!!!!
  25. Algebra 1

    37. Graph the line y = 4x + 2. Give the equations of three other lines that together with the line y = 4x + 2 would form a rectangle. Graph your rectangle. This is the last question that I have for this homework assignment, and I'm completely confused.
  26. Computers- Microsoft Word

    I have homework question. The question is: Analyze the Merge option regarding tables in Microsoft Word. Give a instance you might use it. I know the concept of merging cells in a table together, but I am still confused on why I would use it.
  27. Computers- Microsoft Word

    I have homework question. The question is: Analyze the Merge option regarding tables in Microsoft Word. Give a instance you might use it. I know the concept of merging cells in a table together, but I am still confused on why I would use it.
  28. 8th grade homework

    Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result
  29. wow

    (It's about time somebody got rid of bobpursley, he was making rude comments on everybody's page!) That's an imposter. i did!he kept blaming at me when i was asking for some hints for my hw questions! and he said im "stupid" and "idiot"..if he doesnt wanna
  30. math (please)

    There is a 60% that your math teacher will give a pop quiz tonight and, due to the fact that you have a soccer game, there is an 85% chance you will not be able to do your math homework. You decide that you will do the homework if the probability of there
  31. Math

    There is a 60% that your math teacher will give a pop quiz tonight and, due to the fact that you have a soccer game, there is an 85% chance you will not be able to do your math homework. You decide that you will do the homework if the probability of there
  32. math

    1. Select all the values of x that will make the following inequality true. 2(3x − 6) ≥ 5x − 10 Chat x = -5 x = 1 x = 0 x = 2 x = 13 x = 7 Please help I've been stuck on this problem for a long time at least just give me 1 example so i
  33. Physics

    I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints
  34. calculus totally confused

    find a first degree polynomial function p(1) whose value and slope agree with the value and slope of f at x=c. i think you use taylor series for this f(x)=4/sqrt(x), c=1 i'm totally confused on how to do it. i know you find the derivative but how do i get
  35. art

    Hi. I am year seven girl. I got art homework. THis is making a hybrid animal in innovate material. but i think this homework is so hard for me. can you give me advice for me please. thank you very much
  36. Chemistry

    I have to work out the percentage change in the proportion of carbon dioxide in the atmosphere between certain time periods represented on a graph.If someone could give me some hints on how to approach this I would be very grateful just not sure what to
  37. American History

    In what ways do you the progressive beliefs of using experts played a role in shaping Roosevelt¡¯s reforms? I don't really get what it means by the question, can anyone please explain it to me and give me some hints? THANKS A LOT!
  38. TO ALL JISKHA STAFF!!!

    I did a test to all the website that supposedley give you help with your homework, i have to say your is the best becuase it is very invormative and you don't give the answer you let the kids learn what it is by themselves and you encourage them i give you
  39. Physics

    How many days does it take for a perfect blackbody cube (0.0100m on a side, 30.0 degree C)to radiate the same amount of energy that a one-hundred-watt light bulb uses in one hour? I got no idea to do it. Please give me some hints!!!Thanks!!!
  40. Science 8

    IN science we are talking about chemical prefixes and compound names. For homework there are some questions where I have to "Name the Ionic Compounds" He talked about it but I am still confused, here is one of the questions. ht tp*:/ /
  41. English

    A: How's your new math teacher? B: He is a nice and funny teacher. A: Really? That's great. B: Yes, I like him. A: Does he give you homework? B: Yes, he gives a lot of homework to us, so I have no time to play. A: That's too bad. (Would you check the
  42. Com 220

    Hi, I am writing a sentence outline on the subject of World War II; more precisely, the events that led to the war. I am somewhat confused on how to do this on the parts that I need to state and support the argument as well as prepare against any rebuttals
  43. physics

    A water slide is constructed so that swimmers, starting from rest at the top of the slide leave the end of the slide traveling horizontally. There is still a height between the surface of the water and the end of the slide. One person hits the water 5.00m
  44. Please Help Me With My Math Homework

    I wrote my math homework questions. It's in Jiskha Homework Help Forum In: Name:Tanisha Subject:Math Thank You! I already replied, you don't need to make a new question asking someone to answer...... Thanks for the answer! It was a good help! the product
  45. computer progaming

    can anyone give me infomoration on Novell Enterpise open server im helping my dad with his online class homework and i was wondering if i can get help? Ah...the days of homework have changed. It used to be that parents had to help their kids with homework.
  46. English

    I left out the following sentences.Thank you very much. 1) The day after Christmas my uncles from Liguria visited us. 2) The day after their visit I started my homework and I did't manage to finish it before the beginning of the school. 3) On 30 December I
  47. Career

    But please just give me atleast some very good suggestion!! I am really confused !! Please give me some topics Thank Yoou !!
  48. Physics 102 (College)

    A few homework problems. 1) The temp of a monotomic ideal gas remains constant (isothermic) during a process in which 4250 J of heat flows out of gas. How much work is done? Pos/neg? delta T = 0 and delta U = 0 by inference Q = 4250 U = 3/2 nRT Thanks for
  49. spanish

    how do you say these words in spanish? notebook eraser cd player folders binder homework cellphone notebook-cuaderno eraser-borrador cd player-reproductor de compact-disc folders -carpetas binder-carpeta homework-deberes cellphone-teléfono celular *this
  50. AP English/Psychology

    I will be taking high school AP English and Psychology exam next month. My psychology teacher does not return our tests. Can anyone give me any ideas/leads on how to best prepare for these exams? Thanks! This site may help you.
  51. A few chemistry

    I got the rest of the homework, but these are confusing me so much...ugghhhh. 1. The pH of a .400 M solution of iodic acid, HlO3, is .726 at 25 degrees C. What is the Ka(acid constant) at this temperature? 2. The pH of a .150 M solution of HClO is found to
  52. psychology

    I need help bascially i didn't have time to jot down the homework so i'm not sure what the homework is about so...the only solution to this is to email my teacher but i don't know how to say it to her? Shall i say to her hello, I'm not sure what to do for
  53. Homework (in general)--help!

    I was an A/B student a few years ago, and now there's a problem. I'm a 6th grader whose "homework forgetting level" is increasing. For some reason, I often leave some of my homework home. Can you help me so I will then rarely forget my homework?
  54. Physics

    The motion of a wave traveling along a stretched string is described by the equation: y(x,t)=(2.4cm)sin(5.7x−14.0t) What is the minimum time it takes for a particle on the string to move from y= -2.4 cm to y = 2.4 cm? Can someone help me give some
  55. Homework

    How can I get help with my homework. Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas.
  56. calculus

    Find the area of the largest rectangle (with sides parallel to the coordinate axes) that can be inscribed i nthe region enclosed by the graphs of f(x)=18-x^2 and g(x)=2x^2-9. Is it equal to about 67.67? I have no idea finding the answer by using max or
  57. math

    i just forgot how to find the equation in slope-intercept form for a line. Can anyone please give me some hints to do it with "the line through (3,-2) with slope m=4/5" as an example? Thanks a lot!
  58. To helper

    Did you know that the best help you can give a student is NOT to do the problem for him, but to lead them to a solution. You can do this by example, or hints, or setting up the problem. Giving it away makes it worthless, and does not help the student
  59. algebra1

    im doing my summer homework & im a little confused on this one...please help me... What is the next term in the geometic series 16,-4,1,-1/4,..... a. -1/8 b.0 c.1/16 d.1/8 e.1/2
  60. Science

    Yes I know this might be easy for some of you, but I have this problem on my homework and I'm confused. Why is water wet?
  61. Physics - acceleration..need to find velocity

    I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints
  62. Homework

    I am going to a school for gifted kids on September and I am very excited! However, they gave me like 5 packets of hard homework that are very time consuming. On top of that, I have to read countless books, write book reports about them, and then choose 1
  63. Art

    The ancient civilizations of the Mediterranean region were noted for their great battles and powerful rulers. Post two artworks from two different cultures and compare how the idea of power is reflected in your two examples, include the name of the works.
  64. physics

    an airplane has a mass of 3.1*10^4kg and takes off under the influence of a constant net force of 3.7*10^4N. what is the net force that acts on the plane's 78-kg pilot? can anyone give me some hints to do this?THX A LOT!
  65. anyone solve it....

    Question 1 Describe the following descriptors. Give their type and the value of all their fields: i.dd 01234567h, 789abcdeh ii.dd 30405060h, 70809010h Please remember these things, especially #s 1 and 2: 1. This is a homework help website; please put your
  66. Math

    I am doing Partial Quocients Division for homework. And I need help.But, my mom didn`t learn this method.And my dad`s gone on buisness, my brother doesn`t know how to do it, my other brother is doing his homework and my sister is only in the 3rd gade. What
  67. physics

    If the price of electrical energy is $0.10 per kilo-watt*hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0m*9.00m*1.5m) from 15 to 27 degree C? Can anyone please give me some hints to do it? Thanks a lot!
  68. American History

    To what extent might the mid-19th century belief in Manifest Destiny set the stage for the New American Imperialism at the end of the century? Can anyone please give me some hints to do this question?THANKS A LOT!
  69. Geography

    I have to use the given hints to find out what country they're talking about in each hint. 3. "Travled south and arrived today in the town associated closely with Hans Christian Andersen. Weather a bit rainy here, but we're having too much fun to care!" I
  70. fractions

    my teacher gave us some fraction problems for homework, but I'm confused about how to go about solving the problem. The problem is what is 2/4 of 8. Can you show me the steps so I can do the rest of the math problems? 2/4 reduces (or simplies if you
  71. eco

    What is the immediate effect of each of the following events on U.S. GDP and its components? 1. someone, at the age of 94, retires reluctantly and receives a social security check. 2. someone, after steadfastly labored and saved for many years, fulfills
  72. physics

    A steel beam is used in the construction of a skyscraper. By what fraction (change in L)/(Lo) does the length of the beam increase when the temperature changes from that on a cold winter day (-15 F) to that on a summer day (+105 F)? Can anyone please give
  73. PHYSICS PLZ HELP =-(

    Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000 N acting on its torso when it hit the ground. Question 1 Assuming the torso has a mass of 3800 kg , find the magnitude of
  74. Algebra 1

    Hi! I'm doing my math homework, but I got confused. Can someone please help me how to solve simplest radical forms with an example? With square roots?
  75. Algebra

    I am supposed to subtract and simplify if possible. This is backward to what we had in our homework so I am confused. two fractions 4-z/z-3 minus 7z-6/3-z I need to determine what z is?
  76. spanish: Please help me remember one easy word

    How do you say "to" in Spanish, as in; Would you like to.... You have to give the rest of the sentence in order to answer that question. You have to give me the word that follows "to" because that's how it works in spanish. the spanish word for that kind
  77. English

    In the novel; Twelfth Night A quote is stated: "And thus a whiligig if time brings in his revenges" I am to write an essay on this. I have put some ideas together, yet I am unable to create an intro. Could you help by giving me a few hints on how to start
  78. Integrated Science.

    Hello there experts!Can you help me out with some of my questions?Thank you. My first question is. 1.)List 3 warning symbols in my home...please! 2.)What are some precautious i should take in a lab? and or Give 3 reasons why keen attention is being paid in
  79. english

    Hello I was wondering if you could correct my homework. Thanks. Identify the prepositional phrases in the following sentences. Then state whether the prep phrase is an adjective phrase or adverb phrase. 1. A daily newspaper has something for almost
  80. alison

    I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how to do this one so I can do the rest of my homework problems on my own? Thanks. Let A = (a, f(a)) and B = (b, f(b)) Write an
  81. alison

    I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how to do this one so I can do the rest of my homework problems on my own? Thanks. Let A = (a, f(a)) and B = (b, f(b)) Write an
  82. Chemistry

    Having real trouble trying to write a balanced equationfor Hydrogen Cyanide. Every time I get most of it right I unbalance everything else orelse land up with huge numbers. Any hints gratefully received would you care to give the equation? CH4 + NH3 +O2 --
  83. History

    1. The legacy Louis XIV left to France was: A. control, finally, over the foreign trade of the Netherlands. B. a hugely expanded territorial domain. C. a nation that was financially destitute. D. the friendship of the rest of Europe. im confused between B
  84. Writing--Plz Help!!

    I am confused with this question that I have on a homework assignment. When developing a written plan, a technique in which the writer includes every detail as it occurs is called: 1. writing a rough draft 2. outlining 3. brainstorming I am leaning toward
  85. Chemistry: Identifying Substances

    Hi! I would like to know the definitions for... ELEMENT: something on the periodic table? COMPOUND: molecule with at least 2 different elements? SYMBOL: i'm confused about this FORMULA: i'm confused about this ATOM: smallest units of elements? MOLECULE: a
  86. english

    Can anyone help me plz…..actually I got to make my own story but I m not getting to start that …..my story is something like…..there is a boy and a gal there are brother and sister…..and whatever is goin to be said is he thing that has happened 3
  87. PHYSICS

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can
  88. physics

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can
  89. Algebra--please help!

    I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me through it, too, so I can fully understand it, because just the answer won't really help. #1: A math teacher wants to curve a set of
  90. ENGLISH

    Identify the correctly punctuated sentence. I marked the one I think it is. • Doing my homework, making my bed, and practicing guitar are on my to-do list for the day. • Doing my homework, is the first thing I should do. • Doing my homework I found
  91. English

    Can you please tell if the word choice is correct and how I can improve it? In particular, I'd like you to consider the words in parentheses, too 1) I spent the first days of my Christmas holidays doing homework and studying 2) During the first weekend of
  92. Math

    A survey carried out on 40 students about when they did their homework over the weekend F=(homework done on friday) S=(homework done on saturday/Sunday ) n(f)=20,n(s)=29 How many did both days ?
  93. math

    lila did 2 and 3/4 hours of homework on saturday and 3/4 of homework os sunday.what is the time she spent on homework over the weeekend
  94. statistics

    80% of students passed a class. 90% of those 80% did homework. Of the 20% that didn't pass, 60% of them did the homework. What is the probability of a student having done the homework?
  95. Algebra II Please check-

    Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that
  96. Algebra II-Please check

    Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that
  97. government

    I am really confused with this part of my homework. Mrs. Sue please help me. OK here is my question: Why do you think free enterprise and capitalism usually develop as economic systems under democracy?
  98. Math help ? confused

    The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft long. Does the number of strides the runner takes fit evenly into the length of the race? I am lost on this question. Can anyone give me a direction? Do I
  99. English

    I'm posting you the ones I'm really unsure of. 1) The day after their visit I started my homework and I did't manage to finish it before the beginning of the school. 2) On 30 December I was with a group of friends. I spent the rest of my holiday meeting my
  100. gr8 science

    HOMEWORK QUESTION: give one advantage and one disadvantage of having many branches in science??? i know its a silly question but i really couldn't think of an answer and i thoight you guys could give it a try.... can u help me out?? plz??