1. Chemistry

    Given the following balanced equation: 2Na + Cl2 ---> 2NaCl A.List each element on the reactant side and each element on the product side and assign the correct oxidation number to each. B.Identify which element is oxidized in the reaction and which is

    asked by Samantha on April 26, 2018
  2. English

    1. What do people all around the world love doing? - They love eating street food. 2. How is street food? - It looks good and tastes delicious. 3. What is New York City like? - It is a busy city. 4. What's there on almost street corner? - There is fast

    asked by rfvv on May 26, 2015
  3. Algebra

    Ok a few questions I want to check answers on - -x+4-9x+3¡Ý 7(x-2) -10x+7¡Ý7x-14 -10x-7x¡Ý7x-7x-14 -17x¡Ý-21 -17x/-17¡Ý-21/-17 x¡Ý21/17 or x¡Ü21/17 ?? One I do not understand at all - The linear equation y=3x-5 graphs as a

    asked by John on October 9, 2007
  4. science

    Explain how a mutation in an individual's DNA occurs, and describe the effect it may have on the individual's traits.

    asked by brandi on December 13, 2016
  5. Science

    Explain how a mutation in an individual's DNA occurs, and describe the effect it may have on the individual's traits.

    asked by Tordy on October 23, 2017
  6. Philosphy

    DuBois claims that this occurs when the stronger members in society do not protect the weaker members:

    asked by jasmine on October 1, 2014
  7. Physical science

    Consider the following reaction that occurs at STP:what mass of N2 gas is needed to react with 12g H2 gas?

    asked by Thandi faith mapili on September 2, 2015
  8. science

    What kind of chemical bonding(chemical elemants) occurs in bricks, elastic, and rope

    asked by long on March 15, 2012
  9. Inorganic chemistry

    The following reaction occurs spontaneously. 2H+(aq)+ca(s) Ca2+(aq)+H2(g) write the balanced reduction half-reaction

    asked by Steve on April 11, 2009
  10. PLS HELP URGENT

    Only one of the following reactions occurs. HCl + F HF + Cl For the one that does occur which side is favoured? Explain WHY the other reaction will not occur.

    asked by Jules on May 27, 2014
  11. physical science

    when a physical change in a sample occurs which of the following does not change? a. shape b. temperature c. volume d. composition d?

    asked by jenna on December 8, 2017
  12. math

    if the probability that an event E occurs is 1/p+1, then find the probability that E does not occur in terms of a simple fraction

    asked by Lala on May 25, 2017
  13. math

    if the probability that an event E occurs is 1/p+1, then find the probability that E does not occur in terms of a simple fraction

    asked by Lala on May 25, 2017
  14. math problem solving

    the digit 5 occurs two times in the population of fairbanks. what is the value of each 5? explain your answer fairbanks- 35,252

    asked by janice on August 28, 2014
  15. History

    So I was reviewing my online lecture for school, and I noticed something the teacher had said. The Plains Indians planted seeds in the Spring, hunted buffalo and small game in the summer, harvested crops and made sure there was a good food surplus for

    asked by Katt on September 8, 2014
  16. Analytical chemistry

    I did the next problem, i don't have the results for it and i just want to know if i calculated the mass for Fe2O3 the right? A sample is a mixture of iron oxides (Fe2O3 and FeOOH). It's known that at 200°C this reaction occurs: 2FeOOH(s)-> Fe2O3(s) +

    asked by Gloria on September 7, 2013
  17. probability

    Consider a medical screening excersis for a disease that in the case that indicte that 5 people of 1000 people screenedhave the disease.the screening process is known to give a false positive 3% at times and a false negative 1% at times.what is the

    asked by israel on January 14, 2016
  18. Chemistry

    Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence

    asked by Amanda on August 26, 2011
  19. Physics

    Which of the following statements for magnetism are true? (Give ALL correct answers) A) B does work on a charge only when the charge has a velocity component perpendicular to B. B) B acts only on charges at rest. C) B does work on a charge only when the

    asked by Richie on October 6, 2007
  20. Chem202 - for DrBob222

    Dr. Bob222: There is a problem you answered .100M HClO2 titrated with .080M NaOH I can work the problem many times but I am getting 7.30pH and the answer says 7.38 using quad. I used quad and still get 7.30. I also do know how you go from the

    asked by Steve on May 27, 2013
  21. math

    If A, then B is equivalent to If not B, then not A Not (A and B) is equivalent to not A OR not B Not (A or B) is equivalent to not A AND not B Can you give an equivalent statement to 1. If an Iowa farmer does not grow corn or beans, then he grows alfalfa.

    asked by Pat on September 9, 2012
  22. HELP MATH

    how would u simplify this problem i think it is 60 --- x^6 am i right the problem is 5 4 3 _ + ___ - ___ x x^2 x^3 I'm going to assume your problem is this: 5/x + 4/x^2 - 3/x^3 To simplify, find a common denominator, which is x^3 in this case. Using the

    asked by cassii on August 8, 2006
  23. History

    I need to come up with 3 questions to ask farmers about new machinery and farming techniques that helped them farm the Great Plains. I know the new machinery: a plow that made several furrows at once. Harrows, equipped with spring teeth to dislodge debris

    asked by Jenny on August 6, 2014
  24. MATH

    How do i solve the pair of simultaneous equations y=4-2x y=2x^2-3x+1 ?? how do i find minimum value of 2x^2-3x+1 and the value of x for which the minimum occurs???

    asked by Aaliyah on June 17, 2009
  25. Shakespeare

    I am trying to find an example of a paraphrase in Romeo and Juliet. I know that it is a restatement by another character but can not find where this occurs. Would someone please help me? Thank YOu.

    asked by Ian on July 23, 2010
  26. Economics

    What type of labor occurs in Kenya? What percentage of it is physical labor, mental, other? Thanks

    asked by Anonymous on November 12, 2012
  27. Chemistry- Acid-base titration

    The indicated endpoint of an acid-base titration seldom occurs at a ph of 7. what determines the ph of the endpoint??

    asked by David on April 25, 2013
  28. Chemistry

    What chemical occurs to the red cabbage red for acids and blue for bases.

    asked by jason on March 10, 2016
  29. Osmosis

    What is concave plasmolysis and what is convex plasmolysis. Please don't just tell me that one is irreversable and the other is usually reversable. I'd like to know what actually occurs.

    asked by Anonymous on February 5, 2011
  30. Physics C

    A rifle is aimed horizontally at a target 100 ft away. The bullet hits the target .78in below the aiming point. a) What is the bullet's time of flight? b)What is its muzzle velocity? The answers should be a) 63 m/s b) 1.6 X 10 exponent 3 ft/s I don't know

    asked by Layla on November 19, 2014
  31. Math

    a deck of cards haa 52 cards. in it has 4 of {aces,2,4,3,4,5,6,7,8,9,10,queens,kings,and jacks well you know} what is the probability of getting 4 aces at a time? express your answers as a common fraction. ps. the answers 4/52 or simplfied is not the

    asked by Cindy on November 15, 2010
  32. science

    At a construction site a pipe wrench struck the ground wiht a speed of 24 m/s. a) From what height was it inadvertently fropped? b) How long was it falling? for a) the book said it was 29.4m and for b) it was 2.4s but I keep on getting the wrong answers.

    asked by ben on September 11, 2006
  33. Math

    What is the difference between "Give your answer correct to two decimal places." and "Round your answers to two decimal places." ?? Are they the same thing or do the answers differ?

    asked by George on September 13, 2016
  34. math

    A couple plans to save for their child’s college education. What principal must be deposited by the parents when their child is born in order to have $100,000 when the child reaches age 18? Assume the money earns 4% interest, compounded quarterly.

    asked by denise on November 15, 2013
  35. drbob222 math,correction

    i made some corrections for the previous postage can you check those when you get a chance please. Also for this one: my options of answers are: A)2y + 6/3 B)3x- 6 /2 C)2 + 2y D)2/3y + 6 Directions: Solve for x: 3x - 2y =6 3x - 2y = 6 +2y +2y 3x = 6 +2y --

    asked by jasmine20 on January 11, 2007
  36. science

    If you watch a movie scene in which a loud explosion occurs in the space. What do you conclude about the accuracy of the scene?

    asked by raquel on May 15, 2012
  37. Int. science

    The creation of graphs usually occurs during _____. data analysis data collection observation questioning I think it might be B

    asked by Mclovin on October 2, 2014
  38. Chemistry

    Consider the following thermochemical equation: CH4(g) + I2(g) --> CH3I(g) + HI(g) DH = +23 kJ What energy change occurs when 1.6 mol of CH4 reacts?

    asked by Nisah on September 18, 2012
  39. calculus

    f(x) = ln(ln(lnx)) has the domain of (e, infinity). I am not sure how this occurs however. I know in the case of ln x, x must be greater than 0. However where does e come from. e is the base of log in the case of ln, but something is just not clicking for

    asked by Joshua on October 17, 2013
  40. fds

    Which of the following self-concepts do you think is false?

    asked by rwt on April 11, 2016
  41. human reations

    Another name for false productivity is

    asked by correana on April 28, 2010
  42. math

    if x=-2 and y=2, which of the following is false: (a) (x) is greater than 1 (y) (b) (x) = (y) (c) (y) is less than 1 (d) (x) = y

    asked by Angel on March 5, 2015
  43. math2

    Which statement is false? a ¡ô {a, b, c} ¨ª ¡ø {a, b, c} ¨ª ¡ö {a, b, c} ¨ª ¡ô {a, b, c}

    asked by anonymous on June 19, 2011
  44. Calc

    Why is it false that F'(x) = G'(x) on the interval [a,b], then F(b) -f(a) = G(b)- G(a)?

    asked by ian on November 16, 2016
  45. business math-73

    Use the Present Value Table on page 358 of your text to compute the present value (principal) for an investment with a compound amount of $20,000, a 30-month term of investment, and a 14% nominal interest rate compounded semiannually. (Points : 2.5)

    asked by Minnie on October 6, 2013
  46. Math

    A Marathon runner runs 10 1/2 miles in 2 hrs. What is her rate? Write an expression to represent the problem. Solve the problem.

    asked by Amy on January 11, 2017
  47. reading

    what is the central problem the main character has? What is one event that leads to the problem? Island of the blue dolphins by scott o'dell novel

    asked by nashali rivera on August 5, 2009
  48. education

    How does this problem create a barrier for creating strong and healthy children in this country? problem-transportation need someone to explain and examples please.

    asked by nina on May 11, 2016
  49. Math

    I checked the problem but I didn't understand the answer how could you do?, because what happened with the fractions? Estimate the result of the following problem as a whole number: 4 1/43+2 15/16 -1 24/26+ 5 11/12 -3 3/61 Can you explain me, please....?

    asked by Sha on January 20, 2010
  50. English

    A: Can you wrap it, please? It's a gift for my son. B: No problem. In this short dialogues, what other expressions can we use instead of 'No problem'? Of coures. Sure. Can we use 'Sure thing.'? And some other exxpressions would be _______.

    asked by John on October 1, 2008
  51. algebra

    Can someone show me how to use the quadratic formula to solve this problem.This is for extra credit.I don't uderstand how to do this, so can someone point out the steps so I can be able to do the other five problem like this one. Thanks again for your

    asked by Trina on September 4, 2010
  52. Math

    Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.

    asked by Kelly on May 15, 2012
  53. Algebra

    Why can a subtraction problem be rewritten as an additional problem without changing the outcome? Give a real-world scenario where this might be modeled.

    asked by Rima on August 25, 2015
  54. Math

    A marathon runner runs 10 1/2 miles in 2 hours. What is her rate? Write an expression to represent the problem. Solve the problem:

    asked by Amy on January 23, 2017
  55. ALGEBRA

    Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubed-isquared

    asked by Dawn on February 9, 2010
  56. math,algebra

    Can someone help me with this problem I don't understand what to really do or even how to graph them I show what i have so far. Directions: Solve each of the following systems of linear inequalities graphically. Problem:

    asked by jasmine20 on January 2, 2007
  57. Math 3

    graphing log functions for y=log12^x I don't have a calculator for this and I would like to know how to work this problem on paper so I can graph it to my chart. Can someone please help me with this problem?

    asked by Brandon on October 20, 2010
  58. accounting

    Write a word problem involving a discounted price. Describe the situation and pose the question, but DO NOT SOLVE the problem.

    asked by catrina on January 29, 2011
  59. math

    Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.

    asked by grace on January 5, 2015
  60. accounting

    I've done the entire problem and I am at a complete loss on how to find the manufacturing overhead at the end. Help please. Problem below. I've scanned the pages, but can't put them up here.

    asked by Ashley on February 7, 2009
  61. Algebra

    multiplying sq rts sqrt18a^7b times sqrt27a^8b^6 I think I need to collect like terms such as the a's and b's. My big problem is order of operations. Every problem I do looks so different.

    asked by Marysvoice on February 3, 2008
  62. Math

    No, I'm sure the problem is written like this: [(3a^3-27a)/(2a^2+13a-7)]/[9a^2/4a^2-1)] And to divide you multiply by the reciprocal. So i still don't get the problem I also know to factor, but I'm stil confused.

    asked by David on August 7, 2008
  63. math

    Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone know where i can get such the questions,i am kindly

    asked by kelvin on February 23, 2017
  64. cjs/210

    Can someone help me find a website to find the answers to the following questions? Examples of technology used in policing and how technology enhances or detracts from police organizations’ ability to function Examples of less-than-lethal weapons and how

    asked by Meka S on July 17, 2012
  65. Math

    What is the approximate circumference of a circle with a radius of 6 centimeters? A.12 B.18 C.24 D.36 My teacher says it's D and I agree but for the next question he says it's 12 and aren't these two questions the same? What is the circumference of the

    asked by Jerald on March 25, 2013
  66. Math

    A farmer was taking her eggs but they all fell on the floor. She didn't know how many eggs she had. But then she remembers when she put them in groups of two, there was one egg left over. When she put them in groups of three, there was also one egg left

    asked by Sam on September 16, 2006
  67. pronouns/nouns

    Could you please help with some of my homework questions of nouns and pronouns We can help you better, if you give us the specific questions. However, here are some sites that may be helpful. I got them by using the key words "noun pronoun" to search on

    asked by Sandra on September 5, 2006
  68. Business Math

    Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method. (Round to the nearest whole dollar amount)

    asked by JJ on November 3, 2013
  69. business

    In calculating the bank discount when discounting an interest-bearing note, which one of the following is not used in the calculation? A. Discount period B. Bank discount rate C. Principal proceeds B is my answer

    asked by debbie on February 21, 2016
  70. Algebra

    Abbi invested $1,500 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 6 years. Then find the total of principal plus interest.

    asked by Yaz on March 2, 2015
  71. Math

    Amy's school is made up of 524 students. The principal gave each student 3 pencils. Amy says 1,048 pencils were handed out. Is Amy's answer reasonable? Why or why not?

    asked by Cons on June 25, 2017
  72. math

    Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 3%. Find the interest earned in 6 years. Then find the total of principal plus interest.

    asked by urgent on March 11, 2018
  73. algebra

    Abbi invested $1,200 in a certificate of deposit with a simple interest rate of 2%. Find the interest earned in 9 years. Then find the total of principal plus interest.

    asked by breanna on May 27, 2011
  74. Math

    you have a loan for $150,000 @ 5% on a 30 yr mortgage. You plan to pay off your loan in 10 yrs, Do you want your loan to be figured using the "Rule of 78" or the "Unpaid Principal Balance Rule" please help if possible Thanks in advanced

    asked by lost!!!! any other answer on May 28, 2012
  75. math

    Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.

    asked by new on February 12, 2018
  76. Social studies?

    Please ignore my previous post. I prematurely hit the enter key. I've been watching this board all day, waiting for someone to answer my physics question (no one has yet. sigh.) I just have to say Ms. Sue is my hero. She consistently answers almost every

    asked by Anastasia Beaverhausen on August 16, 2007
  77. math

    Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth

    asked by wilton on May 2, 2014
  78. Physics

    *I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we

    asked by Justin on October 8, 2006
  79. math

    Using the formula, compute the true annual interest rate. Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) = _____.

    asked by angel on May 16, 2016
  80. science

    I'm doing Science right now. I have the answers down for most of them but I'm not sure if I am right..... Can u pls help me and tell me if my answers r right? I suck at science :S 1.A 2.C 3.B 4.D 5.D 6.A 7.? 8.A 9.E 10.C 11.A 12.D 13.C 14.B 15.? 16.? 17.?

    asked by barnyard-gal on April 24, 2018
  81. math

    Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone has such type of questions,i am kindly need for

    asked by kelvin on February 23, 2017
  82. Science

    The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied

    asked by Anonymous on November 12, 2015
  83. English

    1. Can people send letters to the people on Dongdo? Yes, they do. There is a postbox on Dongdo. 2. When was Dokdo first recorded as part of Korea? It was first recorded as part of Korea in the 500s. 3. What is the temperature on Dokdo? It is around 12 C.

    asked by rfvv on November 10, 2016
  84. statistics

    Can someone work this out for me, so I can use as an example to do the other ones. Does it pay to study for an exam? The number of hours studied, x, is compared to the exam grade received, y. x 4 4 6 1 1 y 75 90 95 60 80 (a) Find the equation for the line

    asked by Sue on May 26, 2013
  85. math

    After years of teaching, I can say (with 100% made up certainty) that the average number of questions the typical student can complete per minute is 5.  If I choose any student at random (I'm looking at you), what is the probability that yo...er that

    asked by josh on October 12, 2017
  86. Physics

    a) Is it true or wrong to say that components in series must have the same potential difference across them? Either yes or no explain it. Marks = 5 b) Is it true or wrong to say that magnetic force vectors on charged particles point in the same direction

    asked by Jiya on January 15, 2018
  87. Quantitative methods

    State Bank made a loan at 12% interest for 360 days. If the amount of interest was $934.20, use the ordinary interest method to find the amount of principal borrowed.

    asked by Richard Zimmerman on June 15, 2017
  88. Math

    Someone loaned me $20.00 in 1962 without quoting an interest rate. Using whatever the market interest rate was at that time, how much money would I owe in 2013 including principal and interest, straight and compounded.

    asked by Bee on December 22, 2013
  89. Calculus Help

    The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be $88 per chair if only 260 chairs are bought, but will be discounted by $0.2 per chair (on the entire order) for every chair ordered in

    asked by Anonymous on July 16, 2014
  90. Multiplying Binomials

    You are planning a rectangular garden. Its length is twice its width. You want a walkway 2 ft wide around the garden. a. Write an expression for the area of the garden and walk. b. Write an expression for the area of the walk only. c. You have enough

    asked by Emily on January 14, 2007
  91. Science 7R - Homework Check

    1. List 4 reasons biologists use scientific names instead of common names in their communications. Answer 1. Scientific names help scientists aviod errors in communication. 2. Organisms with similar evolutionary histories are classified together, 3. The

    asked by Laruen on January 26, 2012
  92. Math - Pre Algebra

    Simple and Compound Interest Find the simple interest. principal= $870 interest rate= 6% time= 9 months Please help me I need the answer for tommorow.

    asked by Tanisha on April 13, 2009
  93. National Government

    The principal powers of Congress include all except the power of the purse. the power to declare war. implied powers. x the power to hire generals.

    asked by Shirley on January 17, 2015
  94. Another Problem...PLz Help COunt Iblis

    Statements Reasons 1. 3x - 7 = -4 2. 3x - 7 + 7 = -4 + 7 3. 3x + 0 = -4 + 7 4. 3x + 0 = 3 5. 3x = 3 6. (1/3) 3x = 3 (1/3) 7. (1/3) 3x = 1 8. 1x = 1 9. x = 1 Is this problem about explaining each step? yeah like you have to write the property of each Are

    asked by Margie... on December 2, 2006
  95. Statistics

    According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing records at her own hospital, a hospital administrator calculates that the mean hospital stay for a random sample of 81 women

    asked by Michael on November 9, 2013
  96. Mathematics

    1. 2/(2/3)+3/4/(4/5)= A. 1/5 B. 11/15 C. 47/60 D. 3 13/30 E. 12 2. If 2/5 of (2/3)/(5/6) is divided by 3/10, what is the resulting value? A. 1/15 B. 12/25 C. 8/15 D. 5/3 E. 125/27 3. Solve for x: 2x+3=5x-8 Are there two answers?

    asked by Anonymous on August 7, 2013
  97. statistics

    When red blood cells are counted using a certain electronic counter, the standard deviation (SD) of repeated counts of the same blood specimen is about .8% of the true value, and the distribution of repeated counts is approximately normal. For example,

    asked by Asmaa on December 12, 2009
  98. English 10th grade

    "Well that's sculpture, making a '74 Toyota look like a '63 Corvette, only I didn't think of it that way...I was doing good work, and I was making good money." What is the purpose of the ellipsis (...)? I have it down to two possible answers: A. to prepare

    asked by Jim on December 4, 2014
  99. maximum and minimum problems when function unknown

    Hi, can anyone please help me with this problem, i have no idea what to do! The question is: a window frame is in the shape of a semicircle joined to a rectangle. Find the macimum area of a window using 300 cm of framework. i can usually solve these sorts

    asked by elle on May 21, 2007
  100. Statistics

    The owner of the Finer Diner submitted a proposal to you in hopes of selling the business to you. His asking price is $250,000. Your financial institution advises that your monthly payment to finance that amount would be $1850.00. This is in addition to

    asked by Yvette on September 8, 2013