Most popular questions and responses by jana
  1. English 9

    . Read the following line from Romeo’s monologue in Act II, Scene 2 of Romeo and Juliet, where Shakespeare employs personification: Arise, fair sun, and kill the envious moon, Who is already sick and pale with grief, That thou her maid art far more fair

    asked on March 13, 2015
  2. science

    1.In a device like the one shown below, the cylinder is allowed to fall a distance of 300 m. As a result, the temperature of the water increases by 2.7°C. What would have been the increase in temperature if the cylinder were only allowed to fall 100 m

    asked on November 6, 2010
  3. Statistics

    In a genetics experiment on peas, one sample of offspring contained 421 green peas and 166 yellow peas. Based on these results, estimate the probability of getting an offspring pea that is green. Is the result reasonably close to the value of 3/4 that was

    asked on June 13, 2013
  4. Trigonometry

    If the terminal side of angle theta passes through point (-3, -4), what is the valuse of sec theta? 1) 5/3 2) -5/3 3)5/4 4)-5/4

    asked on April 17, 2016
  5. Chemistry

    describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2; 0.20 M solutions of NaCl, NaBr, NaBrO3, and CuSO4; a 0.40 M solution of NaI; a 0.50 M

    asked on October 25, 2016
  6. Chemistry

    calculate the wavelength in nm of the spectral line produced when an electron in an hydrogen atom undergoes the transition from n=3 to n=2. I get 6.56x10^-7 meters and 6,561.68 nm but that is not the right answer...help please!

    asked on January 14, 2013
  7. statistics

    An airline has a policy of booking as many as 17 persons on an airplane that can seat only 16. (Past studies have shown that only 89% of the booked passengers actually arrive for a flight.) Find the probability that if an airline books 17 persons, not

    asked on June 12, 2013
  8. Statistics

    The probability of a randomly selected car crashing during a year in a certain country is .0479. If a family has three cars, find the probability that at least one of them has a car crash during a year.

    asked on June 13, 2013
  9. chemistry

    Paper pulp is sold on the basis that it contains 12% moisture; if the moisture exceeds this value, the purchaser can deduct any charges for the excess moisture and also deduct for the freight costs of the excess moisture. A shipment of pulp became wet and

    asked on September 24, 2016
  10. Math (pre-celc 12)

    A true false test has 15 questions. How many answer keys are possible of the answer to 6 of the questions is false and 9 are true? I think this is a permutation and not a combination because each answer key would be different depending on the order of

    asked on June 21, 2016
  11. statistics

    The average age of a vehicle registered in the U.S. is 8 years, or 96 months. If a random sample of 36 vehicles is selected, find the probability that the mean of their age is between 98 and 100 months. Assume the standard deviation for the population is

    asked on December 20, 2010
  12. chemistry

    CaCO3(s)+2HCl(aq)-->CaCl2(aq)+H2O(l)+CO2 (g) How many grams of calcium chloride will be produced when 31g of calcium carbonate are combined with 11 g of HCl? I have 0.3097 moles of CaCO3 and 0.30169 moles of HCl...I get stuck at that point

    asked on January 17, 2013
  13. math

    I am a two digit number my ones digit is the double of my tens digit two of my divisor are 8and 12

    asked on November 11, 2016
  14. Physics

    I don't need somone to fully answer this questions, but I need help as to where to get started. Occasionally a severe leg break requires traction to help the bones heal properly. While in traction, the leg is held stationary in the air and is under tension

    asked on October 2, 2016
  15. Calculus

    Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

    asked on February 19, 2016
  16. Math (pre-celc 12)

    BC Place has 16 gates. In how many ways can you enter and leave the stadium by any gate? I'm not sure if this this is a combination or a permutation. I think it's a permutation and my answer is 256 ways. Thanks for the help.

    asked on June 20, 2016
  17. chemistry

    calories given off when 89g of water cools from 44degrees C to 29 degrees C

    asked on September 14, 2011
  18. Creative Title Help

    What would be a creative title for an essay paper over the causes of wildfires?

    asked on October 12, 2014
  19. Statistics

    An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 140 lb and 181 lb. The new population of pilots has normally distributed weights with a mean of 146 lb and a standard deviation of 28.9 lb.

    asked on June 15, 2013
  20. Algebra

    A scuba diver's vertical position in relation to the surface of the water changes by -90 Ft in 3 min. What is the average change in the Diver's vertical position each minute?

    asked on July 9, 2018
  21. Math (pre-celc 12)

    Write the expression as a single logarithm: 3log(a)-log(b)-(1/2)log(c) I want to check my answer. I got log(a^3/bc^(1/2))

    asked on May 30, 2016
  22. math

    The ratio of apples to oranges at a fruit stand is 4 to 5. There are 60 oranges at the stand. How many apples are at the fruit stand?

    asked on November 21, 2013
  23. science

    What is the amount of water needed to obtain a saturated solution using 27g of barium nitrate? What mass of water is present

    asked on January 25, 2012
  24. Math

    A picture frame measure 5 inches wide and 7 inches long . What is the perimeter of the frame ? (16-3)

    asked on December 14, 2011
  25. Chemistry

    1. Before the Industrial Revolution, the concentration of CO2 in Earth’s atmosphere was about 275 ppm. Considering the effect of CO2 only, calculate the effect that the increase in CO2 has had on the pH of precipitation

    asked on April 30, 2016
  26. Physical Science Need Help Please!

    A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?

    asked on November 13, 2012
  27. english

    1. The young student (noun), who was new to (preposition) the school, wants (verb) to join the debating and (conjunction) fencing clubs, 2. I (pronoun) dream nightly (verb) to play the guitar (noun) in (preposition) the school (adjective) band. 3. The

    asked on January 13, 2011
  28. com170

    Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly use a different verb tense in each sentence. Highlight each verb in yellow and identify the tense in parentheses. 1. Education

    asked on January 6, 2011
  29. college

    Write a sentence of at least 150 words—no substituting semicolons or conjunctions for periods and no stream of consciousness. Include at least one of each of the following: gerund phrase, participial phrase, infinitive phrase, appositive, adjectival

    asked on November 24, 2009
  30. Phys. Science

    I have to create a 5-layer density column, using liquids that are not flammable or chemicals, so basically you have to be able to eat or drink it to use it in the column. I only have three layers so far: water, vegetable oil, and corn syrup. Obtain a clear

    asked on September 17, 2006
  31. Physics (Normal force and static coefficient)

    Calculate the normal force for a 2 kg object at rest on an inclined surface, α=42 degrees How much is the static coefficient of friction between the surface and the block ---- My work: N = mg*cos(θ) N = (2kg)(9.8n/m^2)cos(42) = 14.57 N F = µsN µs = F/N

    asked on June 18, 2016
  32. Math (pre-celc 12)

    Write an expression for the x-values where the the maximum in the expression occurs: y=6cos((2pi/14)x)-2 I know that the maximum occurs every 14 units if you start at 0,0. I'm stuck after that.

    asked on June 10, 2016
  33. 5th grade

    what are two goals of the system used to classify organisms

    asked on August 25, 2010
  34. HHS

    3 Examples of Mission statements or human services organizations. Show how each one of the mission statements does or does not meet the requirements of a good mission statement. Determaine what other purpose or function the mission statement has. 1050

    asked on October 16, 2008
  35. english

    life is full of choices, so i must learn to make good ones.life is a noun choices which other one

    asked on September 13, 2012
  36. Statistics

    If the standard deviation of a population is 56 and we want the standard error (the standard deviation of the sample mean) to be 14, then we need to take how many samples?

    asked on December 20, 2010
  37. Math (pre-celc 12)

    In how many ways can a school president, a vice-president, and secretary be chosen from 21 students? I'm not sure to find this answer since there is no order in which they are chosen.

    asked on June 20, 2016
  38. business law

    The U C C dose not apply in cases where both parties are merchants. True or False

    asked on March 5, 2011
  39. 5th grade

    how to convert improper fraction into mixed number or whole numbers

    asked on November 29, 2010
  40. world news

    Is there anywhere I can look for 1: how eastern thought/philosophy affets the eastern nations/culture 2: what our western world is like in relation to eastern culture and how eastern thought is starting to leak into our wesstern culture 3: how the eastern

    asked on April 4, 2009
  41. Chemistry

    Can someone clarify where I'm going wrong with this? Kw for pure water is 1.2 x 10-15 at 5°C. The pH of pure water at 5°C? I thought Kw=[H3O][OH]... I've tried a few different things, but none seem to work. Thanks!

    asked on February 21, 2017
  42. Math (pre-celc 12)

    Given (f+g)(x)=10-3x and (f-g)(x)=5x-14) find f(x) and g(x). So I was told to do: (f+g)(f-g)=2f 2f=(10-3x)+(5x-14)=2x-4 f(x)=x-2 For g(x) I tried: -2g=(10-3x)+(5x-14)=2x-4 g(x)=-x+2 is that correct?

    asked on June 24, 2016
  43. Biology

    We are learning about proteins and their structure, but one thing is confusing me. At what structural point is something considered a protein? Is a protein formed after two amino acids synthesis, or is a protein the whole structure (all four levels) put

    asked on March 30, 2016
  44. Accounting

    1. On July 1, 2010, Harris Co. issued 6,000 bonds at $1,000 each. The bonds paid interest semiannually at 5%. The bonds had a term of 20 years. At the time of issuance, the market rate of interest was 7%. Harris uses the effective interest rate method to

    asked on December 27, 2013
  45. Statistics

    In a survey of 1233 people, 917 people said they voted in a recent presidential election. Voting records showed that 72% of eligible voters actually did vote. Given that 72% of eligible voters actually did vote, find the probability that among 1233

    asked on June 15, 2013
  46. Science

    How do humans grow crops on land that would naturally be either too dry or too wet ? Explain

    asked on October 9, 2016
  47. Biology

    I'm going as this question again as it seems to far down the list to be answered now. Sorry if this is considered spam.

    asked on March 30, 2016
  48. math

    the normal line to the curve y=f(x)=2x^2 at a point in the first quadrant passes through the point (0,3/4). find an equation of this normal line

    asked on March 2, 2016
  49. Mathematics

    How can the number 39 be divided into two parts in order that the sum of 2/3 of one part and 3/4 of the other part is 28? Explain your workings

    asked on November 5, 2011
  50. Math

    How do you divid whole numbers by decimals? EX: 20/0.5 -decimals in general? Thank you!

    asked on June 3, 2009
  51. poems

    can you give me a poem thatI CAN USE FOR HOMEWORK Certainly, however it may not be so good for whatever you are assigned to do. What about Crossing the Bar by Tennyson? http://quotations.about.com/cs/poemlyrics/a/Crossing_Bar.htm

    asked on February 15, 2007
  52. Math (pre-celc 12)

    Find x: 2(5)^x=3^(x+1) I'm not sure what to do with the 2. I think I need to write the equation as log5^2x=log3^(x+1), but I don't know. Thanks

    asked on May 29, 2016
  53. Math (pre-celc 12)

    Factor 2x^4-62x^2+60x I get: 2x(x^3-31x+30) 2x(x-30)(x^2-1) 2x(x-30)(x-1)(x+1) But that's wrong. It should be (I think): 2x(x-1)(x-5)(x+6) Please show me where I went wrong.

    asked on May 22, 2016
  54. Statistics

    How do I figure out the answer to this ? It's been a while since I came across one like it; On a test, 6.25% of the questions are answered incorrectly. If 5 questions are answered incorrectly, how many questions are on the test ?

    asked on May 25, 2013
  55. COMM215

    revising sentences to remove these pronouns When a police officer fires his gun, he mustfill out a lot of paperwork. When a teacher writes an exam, they think about what aspects of students learning they want

    asked on April 9, 2010
  56. alebra

    D=c-s/n (for s) Deprecitaion

    asked on November 9, 2007
  57. Physics

    Circular motion: Not sure if I did this right. I need to find the speed that a spaceship needs to rotate to create an artificial gravity of 9.8m/s^2 (at feet) r=10m a=V^2/r 9.8=v^2/r root of(9.8*10)=v v=9.9m/s is this close?

    asked on October 16, 2016
  58. Math (pre-celc 12)

    Given (f+g)(x)=10-3x and (f-g)(x)=5x-14, find f(x) and g(x). I'm not sure how to go about this.

    asked on June 23, 2016
  59. Math (pre-celc 12)

    I need to prove this identity: cot(x)+tan(x)=csc(x)sec(x) I get as adding them together, but then I get stuck.

    asked on June 17, 2016
  60. Math (pre-celc 12)

    I'm not sure how to get the final answer for this question I get stuck halfway thru. Simplify using sum and difference identities: cos((3pi/2)-x) I think the answer is supposed to be -sin(x) Thanks!

    asked on June 17, 2016
  61. Math (pre-celc 12)

    I'm not sure how to solve this equation algebraically: 38=20sin((2pi(t))/36)+22 I know the answer should be about 5.3 since I graphed it. I can get as far as removing 22 from the right and then removing 20 from the right by dividing by 20. To get

    asked on June 11, 2016
  62. Math (pre-celc 12)

    Solve this algebraically for the exact values (Meaning find the x-intercepts): (1/x)=x/(3x+18) I'm not sure what to write as the common denominator. I thought it was: 4x+18 because (3x+x+18)=(4x+18), but I'm not sure what to do from there. Thanks!

    asked on May 17, 2016
  63. math

    R,O,C,A are the midpoints of the sides of the rhombus DJSB. if DJ= 16 sq rt of 2 cm and d=120 degrees, what is the perimeter of ROCA?

    asked on January 23, 2016
  64. English

    what is a minor transtion of a text?

    asked on June 24, 2015
  65. English

    For vocabulary workshop, Unit 11 # 19. Her ability to _______ the words and gestures of prominent Americans makes her an excellent comic impressionist. Is the answer: parody ???

    asked on March 2, 2014
  66. AP Chemistry

    0.015 moles of a compound are dissolved in 18 fl. oz. of water. At what temperature will the solution begin to freeze? The density of water is 1.00g/mL

    asked on February 10, 2013
  67. College

    Another term that means the same thing as "insurance company" is:

    asked on June 19, 2012
  68. 8th grade physics

    1. if you double the distance over which a force moves an object,the work will be multiplied by?? 2.if emily doubles her velocity.her kinetic energy will be? 3.the unit joule is equivalent to?

    asked on April 16, 2010
  69. grammar

    revising these sentences so the subject and verb agree with one another. One of my friends want to attend my graduation ceremony. Seven cats,twomonkeys, and adog plays in the store window.

    asked on April 9, 2010
  70. 7th grade

    how would i put vehicular in a sentence? please help.... it has to be a good sentence to

    asked on September 1, 2009
  71. social studies

    Iformation on columbus? what was china called at the time??

    asked on November 11, 2008
  72. Mat115

    46. Find the five-number summary of the following set of numbers. 0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 A) 0.08, 0.18, 0.223, 0.27, 0.32 C) 0.08, 0.18, 0.225, 0.27, 0.28 B) 0.08, 0.18, 0.235, 0.27, 0.32 D) 0.08, 0.16, 0.23, 0.28, 0.32

    asked on May 8, 2008
  1. Accounting


    posted on February 27, 2018
  2. Social Studies (Grade 8)

    These are the Answers i just did this 1.b 2.d 3.the national archives,a weblog of a history professer about her area of specialty,a .gov website

    posted on September 13, 2017
  3. Math

    YAY is a liar i just took it promise on my life b c d a a

    posted on August 31, 2017
  4. Language Arts

    Booo is litt

    posted on June 4, 2017
  5. Science help!!!!

    cool thx got XD :D x/

    posted on April 17, 2017
  6. Chemistry

    I figured it out. :) Wolframalpha Failed to understand what i meant and have me the wrong answer even though I did everything correctly.

    posted on February 21, 2017
  7. Chemistry

    It's the reactions: 6H++ BrO3-+ 5Br- --> 3H2O+ 3Br2 2 Cu2+ 4I--> 2CuI + I2 2H++OCl- +Cl- --> Cl2+H2O

    posted on October 25, 2016
  8. Physics

    nm. I figured it out :)

    posted on October 16, 2016
  9. Math (pre-celc 12)

    So, g-g=0 wouldn't that get me g(x)=0?

    posted on June 23, 2016
  10. English Check answers

    I think you're right for all.

    posted on June 21, 2016
  11. Math (pre-celc 12)

    Thanks for typing that all out! It really helped.

    posted on June 21, 2016
  12. math

    Not a question.

    posted on June 21, 2016
  13. Physics (Normal force and static coefficient)

    Oops, the units for gravity are incorrect, it should me m/s^2.

    posted on June 18, 2016
  14. Math (pre-celc 12)

    Never mind I figured it out!

    posted on June 17, 2016
  15. Math (pre-celc 12)


    posted on June 11, 2016
  16. math

    Neither: 7+4+3=14 7+3=10 10/14 (or 5/7) marbles are not red so you have about a 71% chance of not getting a red marble

    posted on June 11, 2016
  17. Math (pre-celc 12)

    Thanks! Great explanation.

    posted on June 11, 2016
  18. Math (pre-celc 12)

    thanks Bob :)

    posted on May 30, 2016
  19. Math (pre-celc 12)

    Thanks. That really helped!

    posted on May 29, 2016

    so (x+4)^2 is the same as (x+4)(x+4) Find the roots: x+4=0 x=-4

    posted on May 29, 2016
  21. Math (pre-celc 12)


    posted on May 22, 2016
  22. English

    I'd say "he is a unique and blessed person" unless you're writing as a character who would say it like that. It sounds more clear to me.

    posted on May 22, 2016
  23. Math

    area=Length x width so, what are the factors of 42?

    posted on May 17, 2016
  24. math

    I noticed that Ms. Sue. I must be getting tired, so I'm going to stop before I do something like that again.

    posted on March 30, 2016
  25. math


    posted on March 30, 2016
  26. math

    3/4 = 25% = 0.25 25% of 160 = 160 x 0.25 Try it and see what you get.

    posted on March 30, 2016
  27. math

    remember, one is removed from the original total.

    posted on March 30, 2016
  28. math

    Hint: How many red socks are left after she removes one? How many socks are there in total?

    posted on March 30, 2016