1. Math

    ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X - 1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X
  2. English

    1. She was confused at his error. 1-2. She was confused by his error. 2. He was confused about something. 3. He is confused in mind. (Are they all grammatical? Which prepositions are commonly used?) 4. That is very confusing to the public. 5. That is very
  3. English

    1. I was confused by what to do. 2. I was confused at what to do. 3. I was confused over what to do. 4. I was confused about what to do. 5. I was confused what to do. 6. I was puzzled by what to do. 7. I was puzzled at what to do. 8. I was puzzled over
  4. Confused

    We are doing distributive properties. Ex: 0.5(4m+3)-0.2(6m+1) OKay so is that minus 0.2 or negative 0.2. I'm so confused. Is this how you would simplify it? 2m+1.5-1.2+0.2 Help me please and thank you.
  5. Chemistry CONFUSED

    Ok I'm really confused on the question I asked how many CO2 molecules can be made with 0.500 mol of oxygen atoms. Please help with setting this up
  6. Algebra

    Simplify 1) 4r+3-9r^2+7r 2) (4h^3+3h+1)-(-5h^3+6h-2) 3) 5k (3-4k) 4) (2x-3)(4x+3) 5) (4x-3)(4x+3) My answers: 1) 11r+3-9r^2 2) this one I am confused about 3) confused 4) 7x×7 5) 8x-6 Please help me
  7. algebra

    I'm really confused on substitution. My teacher has a terrible accent and cannot understand what she says. i get the basics myself but i'm pretty confused on the following problems: 1) y= 3x - 8 y= 4-x 2) 2x + 7y = 3 x=1- 4y 3) x = 2y 4x + 2y = 15 Any
  8. Chemistry

    Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? 2Al(s)+ 3CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)

    From the constitution what goes under preamble, what goes under natural rights, what goes under grievances, what goes under resolution of independence? I've found many websites with different results under each category and i'm so confused, please
  10. 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 :-)
  11. chemistry

    so i know that one mole is 6.022*10^23 particles in 12g of a carbon 12 isotope. im confused in finding the amount of moles in a particular substane. there is a formula that determines it, i think its n=m/M, yet im confused with what it means..
  12. Chemistry

    Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? I BELIEVE ITS BALANCED NOW. 2Al(s)+ 2CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)
  13. chemistry A level

    hello my teacher has really confused me. can anyone tell me how you can figure out the shapes of molecules and what types of shapes there are??? i am really confused! thankyou xxxx
  14. confused in math

    1.20 with a line over 20 convert decimal to fraction, step by step detail because I am lost and confused
  15. english

    is it right when we say am confused or i am in confusion or confused ?
  16. Thermochemistry

    I'm confused about the difference between the q in q=mc(Tf-Ti) and (Delta)H, or enthalpy. What exactly does enthalpy mean and how is that different than q? (I'm also confused about what Gibbs Free Energy actually means; I know that if it's negative, the
  17. Pharmacy Tech

    20.) To find out if a drug causes nausea, you would look in this section of the drug monograph. a) adverse reactions b) contraindications c) how supplied d) warnings I am leaning towards a but not sure..I could also think it could be d as well...am
  18. college algebra

    Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is
  19. BPC110

    Hello, I am trying to use APA format. I did some short answers and found answers in my text book, and there are 3 authors. I am just very confused if I do in cite notation, put the citation at the very bottom of each question I answered, or what. If
  20. hcr220 college

    I am confused with what they are wanting me to do. It says write a 1500 to 1750 word essay in which you discuss implications of both forms of the patient's diseases, HIV and AIDS, from the perspective of HIPAA confidentiality. I am confused on what
  21. social studies

    I need help checking my question. Explain why the Confederacy spared Washington d.c from being destroyed? my answer. Washington was surrounded by strong fortifications and was filled to the brim with Union troops and because they did it to scare the
  22. Law

    1. Which of the following was NOT a characteristic of early 19th-century American prisons? A. A push toward rehabilitation B. “Out of sight, out of mind” C. Total control of prisoners D. An emphasis on discipline im confused between A and D 2. Which of
  23. Math

    Hi there! I am so confused about these questions if anyone could help that would be great. 1. Simplify. x+5/x^2+6x+5 A) 1/x+1; where x= -1*** B) 1/x+1; where x=-1,-5 C) 1/x-5; where x=5 D) x-5 2. Simplify. x^2+3x-4/x+4 A) 1/x-4; where x=4 B) x-4 C) x-1;
  24. Maths

    Please help with Factorising! I am very confused because I have been away from school. I am very confused with factorising with group terms and finding the HCF binomial factor and takin out the HCF.
  25. math-algebra

    Find three different ordered pairs that are solutions of the question x=2 and you have to use -1,0,1 for thje subsitut of y or x i don't know.im so confused please help i don't know the ansrer math is hard I can see why you are confused-- so am I. If x =
  26. gemoetry word question

    can someone tell me the missing leg of the right triangle if 10 is the other leg and 26 is the hypotenuse its 16 "confused gurl" is indeed confused a^2 + 10^2 = 26^2 a^2 = 676-100 a^2=576 a=24 Your triangle is simply a multiple of one of the basic
  27. biology

    Need help with FOV area (mm2) totally confused? im confused i have the FOV diameter they are: 4x = 5 10x = 2 40x = 0.5 a classmate told me she thinks the area for 40 x is: pi(5/2)^2 = 19.6 not sure if that's true or how to do it for the low and medium,
  28. Biology

    I am a bit confused about conjugation, transduction and transformation. I understand the basics but how do they work? More confused with transduction and transformation. Thanks for any help in advance!
  29. Biology

    In the classification of eukaryotes, protsists were once placed in a single kingdom. Briefly evaluate whether this classification system is accurate. Why might it be difficult to classify some slime molds as unicellular or multicellular? I know the first
  30. Grammar

    I'm a little confused with this question about infinitives and infinitive phrases: Choose the sentence that contains an infi. or an infi. phrase- a.will you take the playbook back to coach? b.Help me find your little sister's shoe please c.to everyone at
  31. History

    1. A Hindu society in Southeast Asia that resisted both Buddhism and Islam was: A. Bali. B. Indonesia. C. Thailand. D. Cambodia. im confused between A and B 2. By the twelfth century, great center of Islamic learning in West Africa was: A. Great Zimbabwe.
  32. Chemistry

    Write the overall cell reaction for a cell containing aluminum metal and Zinc(II)sulfate so would it be: Al (s) + ZnSO4 (aq) <---> Al3+ + ZnSO4 ?????? I tried to do it myself but I'm a bit confused... I'm confused about the charges because isn't
  33. LAW

    3. There is a/an ______________ exception to Miranda warnings if a threat exists to third parties. A. exigent circumstances B. public safety C. emergency D. impracticality im confused between A and B 4. When identification procedures violate constitutional
  34. physics

    I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time.
  35. physics

    I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time.
  36. essay

    ok so i'm confused about my essay topic: "what creative works (any medium) should a student be exposed to in order to prepare for university life?" im confused on what creative works they are referring to. art? literature?
  37. grade 9 GEOGRAPHY

    I posted a question earlier about the sensitive tourist I am a little confused on what the question is asking exactly. "Sensitve tourist" suggestions so that visitors can minimize their impact on the local environment and community. My paper is on the
  38. 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*:/ /
  39. Algebra

    6x²y³ + 9x²y³ 15x²y³ ------------- = ---------- 3x²y² 3x²y² = (15/3) (x²/x²) (y³/y²) = 5y Just want it to know if is correct, but don't y³ + y³ = 2y³? I'm confused now. Can someone please help? yes, the answer is 5y and yes, y³ + y³ =
  40. English

    I'm confused about the meaning of this sentence: The typical family is three or four children; the latter among the 8 to 12 children that will be born into the family during the lives of the parents. So I get confused where it says "the latter" Does this
  41. 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
  42. English

    1. A causal analysis essay discusses: predictions of the future based on current circumstances and past behavior. the effects of a past event. why events happened. All of the above i'm confused between C and D 2. in persuasive argumentation essays, a
  43. 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
  44. confused

    Ok. when it comes to writing expression I get all confused can some help with this problem.....please Suppose an investor has increased your budget by $22,250. The investor does not need to be repaid. Rather, he becomes part owner of your business. Will
  45. Science

    Still very confused 5. Darth Vader unleashed the power of the DARK SIDE (1225 watts) on the unsuspecting Jedi.If he did 727 joules of work how much time did it take? First I tried to divide it did not make sense then I multiple and did not make sense if I
  46. Chemistry

    Determine the mass of zinc sulphide,ZnS which is produced when 6.2 g of zinc and 4.5 g of sulphur are reacted. This question is really confusing me, and I'm not sure where to start. I think I have to calculate the moles of each given reactant first in
  47. English/Poetry

    Hi! So, I'm learning about Iambic Pentameter in class and i'm very confused. I'm supposed to pick a song and figure out the pentameter. However, I'm not sure if the song I chose, American Pie by Don Mclean, even has one. Like when I look at the first
  48. math 012 please help explain

    can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1
  49. Chemistry (please help)

    How would you make a serial dilution if you have 100mM of X These are the values of X that she gave. X 0 1 3 1 10 30 100 These are the values of X in the serial dilution. If you could help me out by start me off because I am kind of confused with the
  50. Spanish-8th grade-Totally confused

    Could someone please help me-I'm totally confused on this. I have to say that the person has his/her/their own book or books in the following sentences 1.Yo tengo libro. 2.Ella tiene libros 3.Ellos tienen libro 4.Nosotros tenemos libro For 1, would I put
  51. Algebra

    Hey! I like math,but this year I'm doing algebra 1 and am not doing so well. I understand the lessons,but then the next day I learn a new way to solve a different problem and confuse the old way with this new way. So on tests,I know how to answer some
  52. Ethics

    1. When confronted with a moral dilemma, care ethics encourages us to consider: A. relevant duties and imperatives. B. equality and proportionality. C. situational factors and the needs of all involved. D. natural and legal rights. im confused between B
  53. Latin

    I'm a little bit confused about Latin declensions. I understand that there's first and second declension nouns and adjectives (as well as a handful of other declensions which we haven't learned yet). But what if you want to mix declensions, and decline a
  54. 9th grade algebra/Ms Sue

    Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
  55. Plz Help

    You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the
  56. LAW

    Factors that may elevate a nonstop to a stop include: A. whether the suspect attempted to leave. B. the number of officers present. C. display of weaponry. D. All of the above im confused between C and D 2. The balancing test used to justify administrative
  57. physics

    what are some ways to transfer the motion of electric charge through a conductor? confused please help I am confused by the question. Electrons are moving because of thermal energy all the time in a conductor. To get them to drift in one direction mainly,
  58. LAW

    The requirement that a plain view seizure be based, in part, on probable cause that the item can be seized is known as the _____ requirement. A. inadvertency B. immediately apparent C. valid plain view D. lawful access im confused between B and D 2. To
  59. Math

    This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I
  60. chemistry

    I'm confused on number 6 on the take home test. in this problem are we going to use the heat capacity of calorimeter is 2.21kJ/c. I'm confused on how to set this problem up 1)I converted 1.000kg in to grams= 1000g 2) I used q=m*c* the change in T
  61. Calculus (Partial Fractions)

    My Calculus class just started Partial Fractions, and I understand MOST of it. I'm having a slight problem though, when either C, or C and D come in. I understand A/(something) + B/(something) But I become confused when it's either A/(something) +
  62. Chemistry Basic

    Hello I understand How to do empirical problems, but the way this problem is worded has me so confused. when 1.00g lithium metal is reacted with fluorine gas, the RESULTING COMPOUND has a mass of 3.73g. Calc the emprical fromula of lithium fluoride. I know

    Liam fires a bullet into a block suspended by two cables, embedding the bullet in the block. The mass of the bullet is 5g and the mass of the block is 1g. 1) If the maximum height of the block is ,h, is 35 cm, how fast was the bullet originally moving?

    I am so lost and confused right now with this question. I might have a quiz. Help me understand before this pop quiz!!!! THANKYOU A diver runs horizontally with a speed of 1.2 m/s off a platform that is 10.0 meters above the water. a) how long before the
  65. U.S. Government and Economics

    I need someone to help me and explain this question. Every time I put thought into it, i just get confused. Choose a product that you are interested in buying. List three criteria for the type you will choose and two ways the producer's decisions might
  66. Physics-Help, confused!

    A .20 kg ball is attached to a vertical spring. The spring constant is 28 N/m. The ball is supported initially so that the spring is neither stretched or compressed, is released from rest. How far does the ball fall before brought to a momentary stop by
  67. Spanish-8th grade

    This is in regard to my earlier post about the conversation- Thank you for all your help.Thank you for your patience too Could you recheck this? I don't understand about who talks much-my number 10 but I think you put it at #9You said it was the brother
  68. Chemistry

    2Na(s) + 2HCl (aq) -> 2NaCl (aq) + H2 (g) 1. IF 2.5G OF SODIUM REACTS WITH AN EXCESS OF HYDROCHLORIC ACID, WHAT VOLUME OF HYDROGEN WILL BE PRODUCED? My working: Na H2 mass-2.5 0.109 mr-23 2 moles-0.109 0.543 volume 0.109 X 24000 = 2608.696cm3 Is that
  69. Physics 10th Grade

    Hi im kinda confused still on Pulley systems and hoping someone can help me out. The two masses (m1 = 5.5kg and m2 = 3.0kg) in the Atwood's machine shown in The Figureare released from rest, with at a height of 0.89m above the floor. When m1 hits the
  70. Spanish

    1. Mi madre insiste en que ____ en el aeropuerto a las 2. A) estabamos B) estemos C) estamos D) estar I'm confused between B and C because I don't know if I should use the indicative or subjunctive form. Please help. 2. Prohiben que los turistas les ____
  71. Behavioral Science

    I have a assignment du and kind of confused after reading the text the assignment is write 700- to 1,050-word essay in which you compare and contrast the influence of heredity and hormones on human behavior. I am not sure exactily how to start this paper
  72. language arts

    The narrator plays in dark and shadowy streets; his light is Mangan's sister. Examine the way he describes her, the feelings he has for her, and the language he uses to narrate his account of his devotion to her. What is the meaning of the inclusion of the
  73. Excel

    I have to create a payroll document for class using Excel and I am quite confused. Here is the parts that I am confused on. -I have to calculate the number of years the employees have been working for us, I believe the function I need to use is TODAY() but
  74. Spanish-SraJMcGin I'm confused at your answer-plea

    I'm confused by your reply-Is Day of the Saint like having a second birthday? I thought it was false but then according to your answer, I'm thinking it is a kind of second birthday-Thank you for rechecking Here is the running conversation Posted by Emma-
  75. Ethics

    1. Direct misconduct by a police officer, such as extorting money from drug dealers, would be an example of which of the following forms of misconduct? A. Nonfeasance B. Misfeasance C. Malfeasance D. All of the above im confused between C and D 2. A law
  76. Calculus

    1.If a body moves in a straight line according to the law s= 24t +3t^2 - t³, where s is the distance measured in meters from the origin and t is the time in seconds after it starts to move, calculate the body’s velocity as a function of time. a.v = 30t
  77. Constitution

    Article I, Section 6 of the Constitution is often referred to as: A. the Due Process Clause. B. the Interstate Commerce Clause. C. Due Diligence Clause. D. the Freedom from Arrest Clause. im confused between A and B 2. What case invalidated an earlier
  78. Chemistry

    I really need help with this I am really confused with the law, I have looked at multiple examples and I am still so confused, I know you can't give me the answer, but is there anyway you could please take me through this question step by step? Use Hess's
  79. 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
  80. 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
  81. Math - Trigonometry

    For how many values of theta such that 0<theta<360 do we have cos theta = 0.1? (Note that theta is a measure in radians, not degrees!) I'm kinda confused with the problem? Could someone help me? I'm thinking unit circle, so cos is the x coordinate.
  82. Quick math help

    Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______
  83. Chemistry-confused

    I am rather confused. Is sand considered a mixture or a compound? Some have said it is a compound because it is silicon dioxide. Others have said it is a mixture because it is impure silicon dioxide. So...?
  84. Geometry

    Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______
  85. Organic Chem

  86. math 2 questions this time

    Find the area of the parallelogram. A height of 8 and a base of 24 then there is a another number I think its length but its 8 and im confused because its B*H for parallelogram sooo yea can someone help me and show me how. thanks. what is the surface area
  87. Physics

    Okay, I'm really confused in general. My question says: "A solid piece of clear transparent material has an index of refraction of 1.61. If you place it into a clear transparent solution and it seems to disappear, approximately what is the index of the

    I am extremely confused on how to balance a chemical equation. I have an exam tomorrow and I'm lost. In the book it says Chemical Equation: CH4 + O2 > CO2 + H2O Balanced Chemical Equation: CH2 + 2O2 > CO2 + 2H2O How did this happen? Thanks. Oh and
  89. Math (Asap)

    You are building a concrete deck around a rectangular swimming pool. The pool is three times as long as it is wide. The deck will have a constant width of four feet. In order to have enough concrete, you have calculated the area of the deck to be 832
  90. Quadratic Equations

    The question is Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I guess I am somewhat confused by the way it's written. Would I be graphing this to find out? I'm so confused
  91. Chemistry

    A little confused on this question... I think I would need to take the solute and put it over the solvent, and then use molar mass. Confused on how density plays into this problem. Sucrose is very soluble in water. At 25ºC, 211.4 grams of sucrose will
  92. PHYSICS 1

    The vector signs are above each letter (I just don't know how to show it that way) A= 145 units @ 190 deg. B= 75 units @ 288 deg. C= 210 units @ 85 deg. D= 105 units @ 355 deg. How do I use the component Method with these given magnitude and degree???
  93. LAW

    1. Which of the following is a relevant constitutional amendment in criminal procedure? A. The Fourth Amendment B. The Fifth Amendment C. The Sixth Amendment D. None of the above im confused between A and D 2. When an appellate court reverses a lower
  94. honors algebra II

    factoring:: i factored 15A^2B - 10AB^2 into... (15A - 10B)(15A + 10B) am i doing it correctly? because im pretty confused. thanks :] No, you are confused. This is not a difference of squares. Neither the first term or the last is a perfect square. Here,
  95. math

    im a lil confused on this question it ask what number is 73% of 215 am i supposed to multiply 73% and 100 or am is supposed to multiply 215 and 100 then divide? or what just a lil confused
  96. chemistry - s103

    Post your question. Perhaps we can help. Is there anyone out there who understands Q5 of tma06 for s103? I don't understand a word of it hi i think that the functional group are NH2 and the c=0 does anybody come up with that they to me are all amine part
  97. Algebra

    Mrs. Sue. Thank you for your words of kindness and not putting me down when I had a question. I have looked through your site and I do ind that you certainly are reputable. I apologize for my rudeness to you yesterday and I confessed to my mom. Whew! I
  98. integration by parts

    s- integral s ln (2x+1)dx ? = ln(2x+1)x - s x d( ln (2x+1)) = ln(2x+1)x- s x [(2x+1)'/ (2x+1)] dx = ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused... "ln(2x+1)x- s x [(2)/ (2x+1)] ?... then i'm confused..." x [(2)/ (2x+1)] = 2x/(2x+1) =
  99. History

    1. The first major ruler of the Qing Dynasty was: A. Kangxi. B. Hongwu. C. Qianling. D. Yongle. im confused between A and C 2. Which of the following is accurate regarding of the effects of Qianlong's trade policy with England? A. It showed Lord Macartney
  100. math

    I am a little confused on the first question of this problem could someone please check my answers and please explain why and what I need to do to get correct answer thank you Calculate the mean, and write this as a mixed fraction.