1. Archives
  2. 2007
  3. February

Questions Asked on
February 26, 2007

  1. RE: PHYSICS

    A stationary block explodes into two pieces L and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.0 kg, encounters a coefficient of kinetic friction µL = 0.40 and slides to a stop in

    asked by COFFEE

  2. chemistry

    what is the molecular geometry and bond angles of CF2Cl2? Is there any reason to suspect this won't be tetrahedral with bond angles of 109.5? The difference in electronegativity between F and Cl would be expected to alter the angles somewhat.

    asked by karla

  3. RE: PHYSICS

    A man (weighing 915 N) stands on a long railroad flatcar (weighing 2805 N) as it rolls at 18.0 m/s in the positive direction of an x axis, with negligible friction. Then the man runs along the flatcar in the negative x direction at 40.00 m/s relative to

    asked by COFFEE

  5. chemistry

    how grams of oxygen can be produced from the decomposition of 100g KClO3? how much iron can be recovered from 25.0g of Fe2O3 how can be produced from 125g Ag2S Figure the precentage composition of the compound. For instance percent of Fe in Fe2O3 =

    asked by Beautiful

  6. Calculus

    The average temperature T(x), in oF, in a small office building without air conditioning given by T(x) = 73 ¨C 14 cos (p (x ¨C 3.4))/12 where x is the time elapsed since midnight, 0 ¡Ü x ¡Ü 24. To cool the building, the air conditioning is turned on

    asked by C.Lopez

  7. Music

    How do i put graphic notation into a composition table ???????????? Thank you for using the Jiskha Homework Help Forum. Here is a site that even shows an example: http://www.upto11.net/generic_wiki.php?q=musical_notation

    asked by Angelica

  8. Science

    During the process of photosynthesis, solar energy is converted into: a. chemical energy. b. heat energy. c. thermal energy. d. mechanical energy. e. nuclear energy. a

    asked by Dave

  10. RE: PHYSICS

    "Relative" is an important word. Block L of mass mL = 1.90 kg and block R of mass mR = 0.500 kg are held in place with a compressed spring between them. When the blocks are released, the spring sends them sliding across a frictionless floor. (The spring

    asked by COFFEE

  11. History Essay-english problem

    In my opening sentence for my essay "Weaknesses of the Articles of Confederation" should I write "The Articles of Confederation were the first governing document of the United States of America." or should I write "The Articles of Confederation was the

    asked by Jenna

  12. Science

    Most reactions in the body occur too slowly on their own to sustain life. This is because: a. all reactions in the body are endergonic. b. many reactions require large inputs of activation energy. c. no catalysts are present in body cells. d. most

    asked by Dave

  13. Science

    Which of these statements regarding enzymes is FALSE?

    asked by Dave

  15. Physics

    A cable lifts a 1370 kg elevator at a constant velocity for a distance of 42 m. What is the work done by each of the following? (a) the tension in the cable (J) (b) the elevator's weight (J) work by tension in cable if the car is not accelerating=mgh

    asked by Mary

  16. GOVERNMENT HELP

    The powers of Congress are affected by all of the following EXCEPT what the a. Constitution expressly says Congress may do b. Constitution says only the Sttes may do. c. States' constitutions say Congress may do d. Constitution is silent about. I believe

    asked by Suzi

  17. Biology-Meiosis

    How would the gametes be affected if a pair of chromatids failed to separate in the second meiotic division?

    asked by ernest

  18. GOVERNMENT HELP

    Since 1789, the expansion of power of the National Government has been caused by all of the following EXCEPT a. strict construction of the Constitution b. liberal construction of the Constitution c. technological advances d. economic crises. I think it's

    asked by Suzi

  20. Science

    When oxygen is present a. most cells utilize aerobic cellular respiration. b. most animal cells will carry on fermentation and produce lactic acid. c. most bacteria and yeasts carry on fermentation. d. two ATP molecules are produced for each glucose

    asked by Dave

  21. TR Roosevelt and Tadasu Hayashi

    Hi, Can any one tell me the relations between TR Roosevelt and Tadasu Hayashi? Were there any tensions between these too? I have been Googling for hours and I can not seem to find connections between the two. Thanks Answered yesterday:

    asked by Shaina

  22. like-kind exchanges

    My homework question is to name the four broad types of like-kind exchanges? Are they 1) Receipt of boot 2) Giving boot 3) Assumption of liabilities 4) Three-party exchanges I wasn't sure. There are five types defined at this web site:

    asked by confused

  23. physics

    In a television set, electrons are accelerated from rest through a potential difference of 18 kV. The electrons then pass through a 0.34 T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum magnetic

    asked by Anna

  25. GOVERNMENT

    All of the following are implied powers of Congress EXCEPT the power to a. set maximum work hours b. restrict arms sales c. fund education programs d. censor radio and TV programs This site should be of help.

    asked by Suzi

  26. Chemistry Help!!!

    How will the osmotic preassure of an aqueous solution change as evaporation occurs? A.The osmotic preassure will increase. B.The osmotic preassure will not change. C.The osmotic preassure will decrease. D.The osmotic preassure will increase or decrease

    asked by Rob

  27. Econ

    Consumer expenditures on safety are thought to have a positive income elasticity. For example, as incomes rise, people tend to buy safer cars, they are more likely to fly on trips than drive, they are more likely to get regular health tests, and they are

    asked by Anonymous

  28. Math - Statistics

    A company claims that no more than 5% of a particular product has a defect. In a shipment of 15 units, what is the probability of receiving 3 or 4 defective units? This cannot be answered the way the question is worded. What you need to know is the

    asked by Frederick

  30. Statistics

    In a particular suburb 30% of housholds have installed electronic security systems. If 2 households are chosen at random from this area, what is the probability that neither has installed a security system? Using the binomial probability function for this

    asked by Jason L

  31. Statistics

    In the following cross tab or contingency table the favorite sport of 50 university students is cross classified with the gender of the respondent, What is the probability of 1 - P(female or basebal) and 2 - (football/male)

    asked by Jason L

  32. twentieth century question

    Hello, I have to do a question on the 20th century in what ways we live in the 20th century are we considered romantics I am trying to come up with a good answer is there a way I can look something up. Thanks Would the following search results help?

    asked by cameron

  33. ORG CHEM LAB

    Im doing a conclusion on a lab of acetaminophen. We were to take a melting point of the crude smale of acetaminophen and melting point of the crystallized acetaminophen. The mp for crude sample: 169.2 degree C The mp for crystallized sample: 172. degree C

    asked by Anonymous

  35. what is the difference

    what is the difference between 14kt gold and 14k gold and what one is the better gold Both are the same thing Thank you for using the Jiskha Homework Help Forum. In addition to the answer you already have, look what might happen if you don't distinguish

    asked by tom

  36. GOVERNMENT HELP

    All of the following are implied powers of Congress EXCEPT the power to a. set maximum work hours b. restrict arms sales c. fund education programs d. censor radio and TV programs I think it's b. restrict arms sales because I think that's for the states.

    asked by Suzi

  37. Statistics

    It is known that the amount of time needed to change the oil in a car is normally distributed with a standard deviation of 5 minutes. A random sample of 100 oil changes yielded a sample mean of 22 minutes. Compute the 99% confidence interval estimate of

    asked by Jason L

  38. physics

    One component of a magnetic field has a magnitude of 0.046 T and points along the +x axis, while the other component has a magnitude of 0.066 T and points along the -y axis. A particle carrying a charge of +7.50*10^-5 C is moving along the +z axis at a

    asked by Anna

  40. Economics

    Suppose George is makeing $18 an hour installing electronic chips in handheld computers. Would your offer to work for $8 an hour get you the job? Why might a profit-maximizing employer turn down your offer? This is a bit of an open ended question. My offer

    asked by Kayla

  41. Geometry

    Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The

    asked by DANIELLE

  42. envirnomental science

    as an environmentalscience teacher, how would you respone to someone who tells you that he or she does not believe in biological evolution because it is just a theory, and we shoul not worry about air pollution because through natural selection, the human

    asked by mary

  43. math

    sales tax directions: find the total cost or sale price to the nearest cent? 1500 computer;7%discount Subtract 7% of $1500 from the price. This is the same thning as taking 93% of $1500. Your question mentions sales tax but you do not provide a rate for

    asked by brenton

  45. Math -Please help me!!! I'm desperate for help!

    I need help: Emmett has a 15-year $115,000 mortgage at 7.1% His monthly payment is $1,040.09 Find the principal after the first payment. I know to multiply 115,000 by 7.1 divided into 12 months, then subtract that answer by $1,040.09. When I mulitply

    asked by Chandra

  46. education

    which theorist believed children passed through the sensorimotor stage of development? is the answer piaget. Thanks Yes, Piaget yeah it is

    asked by cameron

  47. math

    factor the polynomial completely... 3x-15+2xy-10y

    asked by Amanda

  48. English

    Write an essay on the most destructive force in the world today. http://www.google.com/search?q=most+destructive+force&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Take your pick!! Please note that we don't do students'

    asked by Leslie

  50. chemistry

    I have a compound ch3 = ch- ch - oh ch3 the ch3 is under the first ch from the left, i have to identify the monomer unit and draw a structure showing three monomer unit any help i have a compound CH3= CH - CH - OH and another CH3 under the first CH from

    asked by bex

  51. Statistics

    A local company has been in trouble recently over hiring male applicants rather than female. Recently 3 employees hired were all male even though the six applicants for the 3 positions included 3 females. The company claims that they have shaped up. From a

    asked by Jason L

  52. math

    if you had 1.5 liters of water, how many milliliters would you have? There are 1000 millileters per liter. ("Milli" means 1/000). Multiply 1.5 l by that factor.

    asked by xiemna

  53. Physics

    1. It is incorrect. The friction has to equal the force down the plane...right? The trolley has no net acceleration, so it must have no net force. Net force= weight down plane - friction.

    asked by bobpursley

  55. Statistics

    Wrong tire pressure can increase tire wear and decrease gas mileage. A manufacturer of new tires tested the tire for wear at different pressures with the below results. Tire pressure (PPI:pounds per square inch) is related to how many miles a tire lasts,

    asked by Jason L

  56. chemistry

    At 650 degree C and a pressure of 690mm HG, the 0.927g sample has a volume of 194cm3. How do I calculate the volume at the same temp but at a pressure of 760mm Hg? Also, how do I calculate the volume at the same pressure but at a temp of 0 degree C? Thanks

    asked by sarah

  57. Science

    List the three main steps of aerobic cellular respiration. Which of these steps yields (by far) the most ATP? Here are two: Step One: Glucose enters the cell (insulin) and is split into 2 smaller 3 Carbon atoms called pyruvate. Total yield - 2 ATP Step

    asked by Dave

  58. calc.- trig substitution

    s- integral s 1/ [ (x^4) sq.rt(x^2+9)] i know x=3tanx sq.rt(x^2+9)= 3 secx dx= 3/[cos^2(x)] so far i know: = 1/ (3tan^4(x)) 3secx cos^2(x)) dx =1/ 81 [ (sin^4 (x)/cos^4 (x)) (1/cosx) (cos^2(x))] then i'm not really sure what to do next

    asked by christine

  60. Physics

    A power boat of mass 475 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 770 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume -- contrary to fact -- that the resistive force due to

    asked by Mary

  61. Statistics

    A company claims that no more than 5% of a particular product has a defect. In a shipment of 15 units what is the probability of receiving 3 or 4 defective units? You can probably use a binomial probability function for this problem. P(x) =

    asked by Jason L

  62. math

    Which is the dependent variable in the following situation?: A marine biologist wants to track the miles that a particular dolphin travels over the course of a year. The tracking system records the distance each week. A. length of dolphin. B. number of

    asked by cody

  63. Researching..please help

    Hello! Can someone help me find some websites or information on a man named Giacomo Punccini..and can you find something about the opera he created which is called 'La Boheme'... Thank You for your time! =] You need to spell his name right if you expect to

    asked by Vin

  65. Geography

    What government imposed barriers stop or hinder the export of automobiles?

    asked by Sonia

  66. Cross-Cultural Art Project

    http://www.google.com/search?source=ig&hl=en&q=Jhonen+Vasquez Have fun. =) Hi everyone, My art class is studying artwork from around the world, and as part of our midterm projects we have to research a particular artist !@#$%^&presents one of the cultures

    asked by Writeacher

  67. Math

    Is that 6%/year simple interest? If so, then $500 x 0.06 = $30 for one year. So for 90 days, $530 can't be correct. I would like to have an account that would more than double in a year, much less in 90 days. The Investors Club invests $500 at 6% simple

    asked by DrBob222

  68. fractions URGENT!!!!!!!!!!!!!!!

    Is 2/3 the smallest out of 1/3? Are you asking if 2/3 is smaller than 1/3? If that's your question, the answer is no. If that's not your question, please rephrase so teachers will understand. Thanks. =)

    asked by bria

  70. Strategic

    An organization’s external environment has three components: the remote environment, the industry environment, and the operating environment. My company i chose was Department of Social Service but i am looking for something on the Remote and idustry

    asked by Ms Brown

  71. Science

    I have to unscramble these letters to make words about electricity. I can't figure out these three. ISRESE LARLPLAE TKLATIWO series, parallel, kilowatt SERIES PARALLEL KILOWATT Thank You Thank You Thank you so much!

    asked by Elizabeth

  72. chemistry

    Why does this equation account for the fact that the gas volume is unchanged? H2Se + Sn ==> SnSe + H2 H2Se and H2 are gases. Sn and SnSe are solids. 1 mol gas and 1 mol of solid on the left. 1 mol gas and 1 mol solid on the right. Volume doesn't change.

    asked by sarah

  73. Statistics

    It is known that the amount of time needed to change the oil in a car is normally distributed. A random sample of 100 oil changes yielded a sample mean of 22 minutes and a standard deviation of 5 minutes. Then compared to the interval estimate for the

    asked by Jason L

  75. Stats

    It is known that the amount of time needed to change the oil in a car is normally distributed with a standard deviation of 5 minutes. A random sample of 100 oil changes yielded a sample mean of 22 minutes. Compute the 99% confidence interval estimate of

    asked by Jason L

  76. economics

    According to a survey of U.S. firms, the advertising elasticity of demand is only about 0.003. Does this indicate that firms spend too much on advertising? It does not indicate too much is being spent. A 100% increase in advertising would translate into a

    asked by Elle

  77. World War 2!?

    “World War II was inevitable” inevitable: Impossible to avoid or prevent Why is this statement true? To understand this, you have to understand WWI and its aftermath -- and why many Germans were terribly frustrated and angry.

    asked by amber!

  78. biology

    How would the gametes be affected if a pair of chromatids failed to separate in the second meiotic division?

    asked by Anonymous

  80. maths calculus

    A centre enters students for English levels one and two end test every year. Some take the paper based version, others online version. For planning purposes you need to assume trend patterns indicate that .the total number of entries each year is always

    asked by jigna

  81. Calculus

    The Picture It frame company determines that the cost function for its new make-at-Home picture frame is: C(x)= 60x + 72,000, where x is the number of frames produced and C(x) is the cost in dollars. The revenue function for the same freame is:

    asked by Aletha

  82. economics

    For effective management an economy the classical and keynesia approaches are important.Discuss with examples from united states take a shot.

    asked by michael

  83. PLease Help Me IN Math

    Problem: 25-x^2 6 ------ * --- 12 5-x What I Got: 5-x --- 2 *Please Check My Work And Tell Me If I am Correct or wrong.If I am wrong please help me as much as possible.Thank you~ Wrong. When are you going to factor the 25-x^2 ? The 5-x then will divide

    asked by Margie

  85. Math-- Please Check

    1.Would fraction notation for 38% be 19/50 ? 2.Would percent notation for 0.382 be 38.2% 3.Would percent notation for 2/3 be 66.6 (with 6 keep repeating)? Yes, yes, yes

    asked by Lydia

  86. Science

    What structural feature of a leaf allows CO2 from the air to enter the leaf? stomata http://evolution.berkeley.edu/evolibrary/images/interviews/stoma_diagram.gif

    asked by Dave

  87. Physics Again!!

    Am sending the same question coz i can't find the first one on the message boards. So plz help me. 1. 'velocity is a vector quantity, and the kinetic energy of a body is equal to half its mass times the square of its velocity, so kinetic energy must also

    asked by Ishani

  88. PreCalc

    Someone please help me solve this equation for y. (x^2)(y^2)+xy=1 I need to solve for y so that i can graph it! y^2 + y/x - 1/x^2 = 0 Treat 1/x as b and -1/x^2 as c in the quadratic equation ax^2 + bx + c = 0 There are two solutions y = [-1/x + sqrt(1/x^2

    asked by Jill

  90. Sociology

    how would a sociologist view the reasons for the uneven representation in the military? What would a sociologist say about how society shaped Americas' decision to join the military? There are many different reasons for joining the military. These reasons

    asked by Casey

  91. chemistry!!

    If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will

    asked by stephanie

  92. Physics

    the dimensions of torque are the same as those of energy. Why it would nevertheless be inappropriate to measure torque in joules. Energy is force x distance, where distance is the distance in the direction of force. Torque is force x distance perpenduclar

    asked by Ishani

  93. chemistry

    What is the positively charged ion present in an aqueous solution of H2SEO3? hydronium. (H30+

    asked by sarah

  95. chemistry

    What would the charge be of the ion formed by this equation? H2SeO3(aq)==> 2H(aq) + SeO3(aq) The SeO3 ion has a negative two charge.

    asked by sarah

  96. Math - Statistics

    A company claims that no more than 5% of a particular product has a defect. In a shipment of 15 units, what is the probability of receiving 3 or 4 defective units?

    asked by Frederick

  97. Calculus

    Derivative Differentiate f(x)=(5x-4)^2 There are two ways to do this: (1) let u = 5x-4, and use the "chain rule", df/dx = df/du * du/dx OR (2) expand the polynomial to f(x) = 25 x^2 -40x + 16 and differentialte it term-by-term. You will get the same answer

    asked by Dee

  98. Physics

    A shot putter puts a shot (weight=70.3N) that leaveshis hand at distance of 1.51m above the ground. (a) Find the work done by the gravitatiob force when the shot has risen to a height of 2.10m above the ground. include the correct sign for work. (b)

    asked by Cavin

  100. maths

    1. Convert the ffl octal numbers into denary number a) 1527 b) 21 364 2. Convert the ffl denary numbers into binary numbers a) 578 b) 709 3. Calculate the follwing using the octal system. a) 704 + 147 b) 652 - 406 c) 657 * 4 d) 754/6 Thanks

    asked by temise

  101. Statistics

    A paper manufacturer claims that fewer than 1 in 100 of its reels (2 ton rolls) of paper is flawed. A customer has just received a large shipment of these reels and proceeds to check a random sample of 600 of them for flaws. Of this sample, 14 reels are

    asked by Jason L

  102. History (WWI)

    Why was the war in the air a significant battle of WWI? (Three reasons) Also, supporting evidence and examples would be helpful too. Thank you ~Lucy http://www.firstworldwar.com/features/aces.htm http://www.firstworldwar.com/airwar/observation.htm

    asked by Lucy

  103. math

    Which is the idependent variable in the following situation?: A marine biologist wants to track the miles that a particular dolphin travels over the course of a year. The tracking system records the distance each week. A. length of dolphin. B. number of

    asked by austin

  105. Modern World Histoy

    What would one say their experiences may be during A Bloody Stalemate? Think about a soccer game where no matter what either team does, neither is able to win. Both have gone through all there player list; both have gone through the over times..... How

    asked by Dennis

  106. Math

    Find the amount in an account if $2000 is invested at 6.125%, compounded semi-anually,for 2 years. 2000* (1.030625)^4 = / That is what you get by adding 3.0625% to the principal every 6 months, and compounding 4 times I Am getting 2252.50, is this correct?

    asked by Penny

  107. AP U.S. History McKinley's campaign manager

    what role did MARK HANNA McKinley's campaign manager play in the election and how would he had voted?

    asked by Annie

  108. poetry question

    Hello for this poem for this question which one is correct: "The child is father of the man." What does this mean? The best fathers are immature. If one can't be a father he can never have a child. Our attitudes and beliefs as children stay with us

    asked by cameron

  110. Statistics

    A survey of community banks asked about the loan to deposit ratio (LTDR) a banks total loans as a percent of its total deposits. The mean LTDR for the 110 banks in the sample is xbar = 76.7 and the standard deviation is s = 12.3. In the text a 95%

    asked by Jason L

  111. Writing

    Where Can i find some short current event articles? http://www.nytimes.com http://www.latimes.com http://www.pe.com http://www.time.com That is, just about any newspaper or newsmagazine. =)

    asked by Bryan

  112. Science

    I need to know how to compare mouthwash and toothpaste...what to compare?.. compare bacteria samples in salaiva.

    asked by Q

  113. modern world

    http://www.google.com/search?hl=en&rls=com.microsoft%3Aen-us%3AIE-SearchBox&rlz=1I7SUNA&q=edmund+burke =) What was Edmund Burke's understanding of human nature and of human history?

    asked by Writeacher

  115. inverse functions

    1-3cos=sin squared You need to define the variables, such as x, y etc. If you are trying to solve 1 - 3 cos x = sin^2 x for whatever x is, then you are not talking about an inverse function.

    asked by fiza

  116. accounting

    Can someone please check my answer to the following question. Jill bought 500 shares of stock on October 22,2005 for $30,000. On March 25, 2006 she gave half the shares to her sister when the fair market value was $55 per share. If Jill's sister sells the

    asked by help please

  117. us history

    why was debt and runaway inflation such a problem under the articles of confederation? The Revolutionary War was fought with paper money that had little or no intrinsic value, i.e, it could not be exchanged for coin with monetary value (gold or silver).

    asked by ramon

  118. U.S. History- McKinley's Campaign

    In Mckinley's Campain,two of this campaign themes were "The Currency Question"- the gold standard or free labor AND "Protective Tariffs" summarize these thems and which of theses themes was more significant? This site will give you the information on that.

    asked by Annie

  120. poetry

    I would say no, the mariner was not alone on his ship, because there was the wedding guest with him! I went to google and looked up the poem, read it, and it looks like he mostly says things like "The ship was cheered, the harbour cleared,Merrily did we

    asked by Jenna

  121. poetry

    The speaker of "The World Is Too Much With Us" is a materialist at heart. in that poem would the correct answer be false. This will give you a really good summary. http://www.sparknotes.com/poetry/wordsworth/section4.rhtml Yes, I agree with your "false"

    asked by cameron

  122. Math-Needing Help Quick!

    When Beth finishes college, she has a balance or $2876.37 on a credit card with an annual percentage rate (APR) or 17.3%. She decides to not make any additional purchases with her card until she has paid off the balance. Assuming the minimum payment is 2%

    asked by Logan

  123. chemistry (solutions).

    how do you turn a saturated solution into an unsaturated one Add solvent. Some of the solute will dissolve in the added solvent.

    asked by lisa

  125. Unit Circle

    How do I find tan(-pi/4) from the unit circle? Thanks. Go 45 degrees clockwise or reverse of the circle, it should be at 315 degrees.

    asked by Jen

  126. poetry help

    I need help with these questions: In the poem "The world is too much with us" does the speaker believe we have lost or love of nature. I believe the statement is true, and also, In William Blakes tyger is he powerful, good, powerless, or bad, I put

    asked by cameron

  127. Statistics

    A paper manufacturer claims that fewer than 1 in 100 of its reels (2 ton rolls) of paper is flawed. A customer has just received a large shipment of these reels and proceeds to check a random sample of 600 of them for flaws. Of this sample, 14 reels are

    asked by Jason L

  128. math

    (2w-1)^2=4(w-3)^2 Expand both sides of the equation, then simplify: 4w^1 - 4w + 1 = 4w^2 - 24w + 36 ...... ..... w = 7/4

    asked by mark

  130. math

    -5(4w + 12 ) = 15 use distributive property to solve -20w-60=15 -20w=-45 -20w/-20w=-45/-20 w=2.25 or 9/4 thanxz

    asked by jose

  131. More Math 2 See If You Can Help Me... :)

    Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 Here Is What I Got: (a+3)3a ------- (a+4) *Please Check It.I think I did it wrong though.. =[ I'm going to assume your problem is this: (a^2-9)/a^2 * (a^2-3a)/(a^2+a-12) Note: I'm using * to mean

    asked by Margie

  132. math

    wat are trinomials http://dictionary.reference.com/search?q=trinomials&r=66

    asked by jose

  133. Chemistry

    How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar? I came up with 70.31mL Can you someone just check this for me please? you want to dilute it 75/62.5, so you are diluting it a factor

    asked by Kellie

  135. the awakening- please help!!

    I can't figure out this problem... Which character in The Awakening matches the archetypal label of "philosopher"? http://www.sparknotes.com/lit/awakening/ Check especially the analysis of major characters. Then let us know what you think. =)

    asked by Anonymous

  136. maths

    1. Identify two examples of exponential r/s 2. The data below shows how the the population of the world has changed over the last three hundred years Year population(mill) 1650 500 1700 600 1750 700 1800 900 1850 1300 1900 1700 1950 2500 2000 7000 The data

    asked by me again Thanks sooo much

  137. Marketing

    i need help completing these tasks...can u guys offer help on each of these taskS? thanks... task 1: describe how key aims and objectives for Nike may be achieved by promotional activity.. task1A: explain how the promotional aspect of the marketing mix

    asked by Joseph

  138. math

    the total cost t(c) of c ounces of cinnamon if each ounce costs $.79 827726

    asked by michal

  140. History Essay

    This essay is on Benjamin Franklin, and I was wondering why he went to Philadelphia at only 17. Did he run away or did his parents send him away? Where did he stay and work while he was there? I've researched on Google, but I can't find any good

    asked by Jenna

  141. Sociology

    what is the manager's' responsibility in creating a successful organization? what is the manager's' responsibility in creating a successful organization?

    asked by Anonymous

  142. Math

    .002 + e i m + E 1/2n+

    asked by Gina
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