Questions Asked on
April 7, 2010

  1. algebra

    x^2+225 ... factor expression over the complex numbers?

    asked by mada
  2. Goverment

    How is government authority distributed in unitary, federal, and confederal systems?

    asked by Courtney
  3. Chemistry

    Calculate the solubility of silver iodide in a 1.0 M sodium cyanide solution. Ksp = 8.5 x 10^-17 for AgI Kform = 2.5 x 10^5 for Ag(CN)2

    asked by Erin
  4. DrBob222

    If you don't mind me asking, How are you so smart, and how old are you?

    asked by Courtney
  5. chemistry

    If the initial pressure of SO3(g) is 4.775 atm, calculate the % of SO3(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kp at 1000 K is 24.40. The initial pressure of the reaction products is 0 atm.

    asked by bme1
  6. phYsics

    Consider three charged particles placed along the x-axis. The particle with q1 = 9.27 nC is at x = 7.66 m and q2 = 4.82 nC is at x = 2.64 m. Where must a positive charge, q3, be placed such that the resultant force on it is zero? I know F3= F13+ F23 (net

    asked by echem
  7. eng

    Which of the following is NOT true of colligative properties? Colligative properties are... A. dependent on the mass of solute present. B. independent of the chemical identity of the solute. C. dependent on the molar mass of the solute. D. responsible for

    asked by bme1
  8. Literature

    If you consider The Call of the Wild to be an Allegory,which one of the following statements would be true?

    asked by Tami
  9. Math

    A king couldn't sleep so, he devoured 1/6 of a bowl of mangoes. Later, the queen got hungry and took 1/5 of the bowl of mangoes. The prince awoke and ate 1/4 of the bowl of mangoes. After, he came back and ate another 1/3. Obviously, he was hungry and ate

    asked by Rae
  10. Algebra

    Mack is 3 times as old as Justin. In 3 years, Mack's age will be 5 more years more than 2 times as old as Justin. How old are Mack and Justin? What is the system of equation for this? I got 3x=7 and x=5+2y. But it's wrong because, I ended up with

    asked by Wesley
  11. Physics

    In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016 and a radius of 8.50km . What is the speed of a satellite orbiting 4.70km above the surface? What is the escape speed from the asteroid?

    asked by Hoa
  12. Computers

    True or False? RAM is the electronic holing area on the computer. False???

    asked by Keen
  13. Economics

    True or False? At any given time, if the demand for a product is greater than the supply available, the price will be higher. Flase???

    asked by Keen
  14. maths

    room dimension 40x20x10m does that = 8000m3 to convert 8000m3 to litres do I multiply 8000x1000

    asked by Mel
  15. Physics

    Assume that a deposit of oil is located 2000 m directly below. Estimate the size of the deposit, assumed spherical.

    asked by Krishna
  16. Inorganic Chemistry

    In the molecular compound [Co(NH3)3(DMF)](NO3)3 what is the mode in which DMF is preferred?

    asked by james
  17. Inorganic Chemistry

    In the molecular compound [Co(NH3)3(DMF)](NO3)3 what is the mode of bonding in which DMF is preferred?

    asked by james
  18. physics

    if a current of 4900A is applied to a copper wire what might happen to it? does it burn or what?

    asked by eh
  19. economics

    The small town of Middling experiences a sudden doubling of the birth rate. After three years, the birth rate returns to normal. Use a diagram to illustrate the effect of these events on the following.

    asked by deborah
  20. Chemistry

    [6 points] You need to make a solution of Ca(NO3)2 for a class demonstration. First, you measure a quantity of the solid Ca(NO3)2 by weighing the reagent container before obtaining the sample (4.2540 ± 0.0003 g) and after taking some reagent (3.9440 ±

    asked by Alex
  21. Chemistry

    2. [4 points] Serum cholesterol levels were monitored to investigate the effect of physical training. Prior to this training, blood samples were acquired from each of the 12 subjects and were tested for cholesterol level. After a week-long training period

    asked by Alex
  22. Chemistry

    [4 points] In a recent poll, 10 local students were asked how many beers they drink in a typical week. The responses, in no particular order, were: 4, 10, 6, 14, 12, 17, 30, 15, 12, 0 At a 90% confidence level, is there an outlier in the data given above?

    asked by Alex
  23. chemistry

    what is Ph of [H+] = 0.00010M?

    asked by Anonymous
  24. physics

    a 20kg block is connested to a 30kg block by a string that passes over a frictionless pully. the 30kg block is connected to a spring that has niglible mass and a force constant of 250n/m.the 20kg block is pulled 20cm down the incline(40 degrees) and

    asked by sello
  25. Math

    10 multiple choice questions each with three possible answers only one of which is correct. A student guesses the answer to every question. (a)What is the probability that the student will answer the first six questions correctly and the rest incorrectly?

    asked by Kim
  26. English

    Hello! I am teaching English to 8th graders next week (they are learning English as a foreign language for 5 years) I have two short texts (one about Alexander Bell and his invention of the telephone and other about Christian Huygens and his invention of

    asked by mary
  27. chemistry

    What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M aniline,C6H5NH2? i kno to use the ph = pka + log (base/acid). getting pka isnt the issue, but what do i put into the log (base/acid)?

    asked by anonymous
  28. English 11

    How do you write an outline in standard outline form?

    asked by Betty
  29. math 156

    Indicate whether the sequence is arithmetic, geometric or neither 10,12,22,32,42.....

    asked by jj
  30. English

    Which is a favorite aim of the Romantic poets that Mary Shelley also had in writing Frankenstein? * to use the language of everyday life * to find evidence of the divine in nature * to depict the ways of the common people * to evoke intense and vivid

    asked by Skye
  31. English

    Which was a key element of the Gothic novel that Mary Shelley set out to employ in Frankenstein? * the inexplicable * the educational * the conventional * the philosophical

    asked by Skye
  32. English

    Which is the best paraphrase of this excerpt from "On First Looking into Chapman's Homer"? . . . all his men / Looked at each other with a wild surmise—/ Silent . . . (1 point) * All his men looked at one another in silent surprise. * All his men looked

    asked by Skye
  33. English

    What do you think Keats means in these lines from "When I Have Fears That I May Cease to Be"? I may never live to trace / Their shadows, with the magic hand of chance . . . * I may never live to paint pictures of them. * I may never have a chance to look

    asked by Skye
  34. English

    Which kind of ode is "Ode on a Grecian Urn"? (1 point) * Pindaric * Horatian * irregular * devotional

    asked by Skye
  35. English

    Which line best paraphrases the excerpt from "Ode on a Grecian Urn"? Ah, happy, happy boughs! that cannot shed Your leaves, nor ever bid the Spring adieu . . . (1 point) * Happy branches, that will never see the spring again . . . * Happy branches, you

    asked by Skye
  36. English

    For Keats in "Ode on a Grecian Urn," the lovers pictured on the urn symbolize his * eternal youth and hope. * maturation and full fruition. * despair and frustrated desire. * deep satisfaction and fulfillment.

    asked by Skye
  37. English

    "Lines Composed a Few Miles Above Tintern Abbey" is a poem that celebrates the power of * analysis. * deduction. * memory. * prophecy.

    asked by Skye
  38. English

    "Lines Composed a Few Miles Above Tintern Abbey" is easy to recognize as a Romantic poem because it * describes the narrator's emotions about a landscape. * is about a revolution. * takes place entirely outdoors. * argues for the importance of the

    asked by Skye
  39. English

    What is Wordsworth's main subject in "The World Is Too Much With Us"? * the frenzied quest for wealth * the decline of classical learning * the rise of industrial cities * the wanton destruction of nature

    asked by Skye
  40. trig

    what is the tan of 25 degrees and 01 minute

    asked by joel
  41. algebra

    1. Imagine you are at a gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation a. What does the number 3.03 represent?

    asked by Nicole
  42. com/150

    I need help filling out Appendix D for my com/150. I need some help with my supporting details, and my subdetails. My thesis statement is "Instead of being the solution to larger issues like low self-esteem and depression, cosmetic surgery has became the

    asked by Nikol
  43. com/150

    I need help filling out Appendix D for my com/150. I need some help with my supporting details, and my subdetails. My thesis statement is "Instead of being the solution to larger issues like low self-esteem and depression, cosmetic surgery has became the

    asked by Nikol
  44. chemistry

    if 2.0 x 10-5 mol of sparingly soluble Cu(IO3)2 can dissolve in 2L of a very soluble NaIO3 sol'n, what is the molar concentration of the NaIO3 sol'n? (Ksp=1.4x10-5 for Cu(IO3)2)

    asked by dawn
  45. math

    11. Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles,

    asked by Anonymous
  46. Precalc

    Find the smallest positive answer to the equation: sin(2x)=1

    asked by Lori
  47. PreCalc

    An isosceles triangle is a triangle with two sides that are the same length. Find the measure of the two equal angles to the nearest degree in a triangle that has sides of length 5ft., 5ft., and 6ft.

    asked by Lori
  48. Chemistry

    What would be the product of a reaction between methanal and pyrrolidine in acid? I know that normally a reaction between a carbonyl and a secondary amine would form an enamine. Here I am confused because there are no hydrogens that can be removed to form

    asked by Alice
  49. social studys

    what impact did john calvins ideas and actions have on history

    asked by Anonymous
  50. moments of inertia

    I determined the area moment of inertia and the product of inertia of the cross-section of a beam about the centroidal axes using equations. I am now asked to design an experiment to verify the results that I obtained through equations. Can someone please

    asked by Claire
  51. Integrated Algebra

    IN 1999, there were 200,000 registered dogs that were Labrador retrievers and dachshunds. There were three times as many Labrador retrievers as dachshunds. Find the number of Labrador retrievers and dachshunds.

    asked by brenda
  52. Math

    Hint for this assignment: Pay attention to the units of measure. You may have to convert from feet to miles in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different

    asked by Tisha
  53. science

    Lily walked 2 blocks east, then 1 block south. How would you determine her total displacement?

    asked by william
  54. algebra

    In 1999, there were 200,000 registered dogs that were Labrador retreivers and dachshunds. There were three times as many Labrador retreivers as dachshunds. Find the number of Labrador retreivers and dachshunds.

    asked by brenda
  55. Science-Experiment-Questions

    I did an experiment on a burning candle, and I need help with some of the questions. Thank you very much in return. Please no websites.--more information would be appreciated, thanks:-) I'll list everything of what we went through. Materials: -1 standard

    asked by Sara
  56. college chem

    how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^-5 please write out the eq for me

    asked by josh
  57. speech

    i need information on advertising the good the bad and the ugly

    asked by Anonymous
  58. Math

    I am having a hard time figuring this out. Can someone assist me in the right direction? Here is the problem: 5. When managing a business, it is important to take inventory of where your money is spent. You have a monthly budget of $5,000. Refer to the

    asked by Sarah
  59. science

    How much energy is required to raise 1 gram of water from -15 C to 110 C?

    asked by frederic
  60. Chem

    In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. 6CO_2+6H_2O --> C_6H_12_O_6+6O_2 a) Calculate deltaH rxn at 15 degree C b) Calculate deltaS rxn at 15 c) Calculate deltaG rxn at 15 thanks!

    asked by Beau
  61. Chem

    In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. 6CO_2+6H_2O --> C_6H_12_O_6+6O_2 a) Calculate deltaH rxn at 15 degree C b) Calculate deltaS rxn at 15 c) Calculate deltaG rxn at 15 thanks!

    asked by Beau
  62. algebra

    write each number in exponential notation 100= 10,000=

    asked by jake
  63. social studies

    when was rome discoverd

    asked by babak
  64. MATH

    Consider the experiment of rolling a single die. Find the probability of the event described.What is P(number showing is not odd)?

    asked by meghan
  65. math

    (x-y)(x+y)=?

    asked by neela
  66. math

    (x-y)(x+y)=?

    asked by neela
  67. Geography

    Imagine you are an elected official with the responsibility of drafting legislation designed to protect our environment. What items will you include in your bill? Who will be responsible for the bill's implementation? Its enforcement?

    asked by Anonymous
  68. Earth Science

    Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information

    asked by Anonymous
  69. earth science

    Almost all maps have these four things: A)scale, legend, title, and compass B)rock units, legend, symbols, and scales C)contour lines, scale, legend, and compass D)rock types, legend, compass, and scale

    asked by Anonymous
  70. Chemistry

    Calculate the concentration of SO2(ppm) that must be reached in polluted air (in ppm) if the dissolved gas is to produce a pH of 3.2 in raindrops without any oxidation of the gas.

    asked by Laura
  71. Chemistry

    Taking the mass of the atmosphere to be 4.6E15 metric tons, what mass of carbon must 
be burned in order to increase the average carbon dioxide level in the atmosphere
 by 130ppm by volume (in metric tons)?

    asked by Laura
  72. Chemistry

    How much Fe++ could be present in water containing 1 x 1e-02 M HCO3-
(bicarbonate) without causing the precipitation of FeCO3 (Ksp=10**(-10.7))



    asked by Laura
  73. math

    A share of common stock has just paid a dividend of $2.00. If the expected long-run growth rate for this stock is 7%, and if investors require an 11% rate of return, what is the price of the stock?

    asked by Katie
  74. Physics

    In the ideal apparatus shown in the diagram, m1 = 2.0 kg. What is m2 if both masses are at rest? How about if both masses are moving at constant velocity? Ideal aparatus is a pulley system with M1 on a 37 degree incline and m2 dangle on the other side of

    asked by Anonymous
  75. human resources

    How can a technology manager help their company to grow?

    asked by Kate
  76. Algebra

    I have to find the domains of these functions and don't know how: f(x)=SQRT 2x-1 and f(x)=3/x+4 Help Please!

    asked by Bee
  77. Math

    cos(2 tan^-1 1/3) cos(sin^-1 1/5 +cos^-1 1/3) For this one I got the answer to be sqrt 24/15 -sqrt 8/15, is that right? I have no clue how to start the first one

    asked by Anonymous
  78. Chemistry

    Is it possible to distinguish two spots that have the same Rf value but represent different compounds? Give two different methods

    asked by Hugh
  79. trig

    sin^2è + 2sinè +1 =0

    asked by Anonymous
  80. College English

    I'm stuck. What kind of fallacy is: The officer said the driver had been clocked at 70 miles an hour, but the driver retorted, "You were going just as fast as I was; if I'm guilty, so are you."

    asked by Sandy
  81. Biology Research Paper--Urgent

    How do I make parenthetical references of a website throughout my research paper? Thanks -MC

    asked by mysterychicken
  82. math 157

    Assume that a researcher randomly selects 14 newborn babies and counts the number of girls selected, x. The probabilities corresponding to the 14 possible values of x are summarized in the given table. Answer the question using the table.

    asked by Anonymous
  83. basic math

    Identify the rate, base, and amount in the following applications. Do not solve the applications at this point. 22% of Shirley’s monthly salary is deducted for withholding. If those deductions total $209, what is her salary?

    asked by tea
  84. physics

    A satellite moves in a circular orbit around Earth at a speed of 4390 m/s. (a) Determine the satellite's altitude above the surface of Earth. m (b) Determine the period of the satellite's orbit. h am I supposed to use rotational equations for this? I don't

    asked by Kelsey
  85. math

    A store marks up items 42.5% to allow for profit. If an item costs a store $24.40, what will its selling price be?

    asked by arron
  86. 8th grade

    the empire and a penny

    asked by whitney
  87. English

    Can you please tell me if all the sentences typed below are possible? Thank you very much in advance. 1) Under the feudal system the King owned all the lands (all land: are both correct?) which were then given to the vassals in return for goods and

    asked by Franco
  88. Finance

    2004 and the inflation rate is 4% annually

    asked by Anonymous
  89. college

    how to write a persuasive essay using a strategy of convincing my employer of the value of providing tuition reimbursement and making extra time for adult learning.

    asked by maria
  90. math

    Can someone please explain this problem to me: I have to use integrals to find volumes with known cross sections but i just don't understand. I have to do a lot of examples for homework like this so can someone show me so I can do my other problems?

    asked by summer
  91. child care

    Child care staff are most effective during science activities when they?

    asked by natilie
  92. Math

    Find the intersection. {2,5,7,10} and {3,6,9}. I think that the intersection is a empty set. Is this correct? Thanks.

    asked by B.B.
  93. Social Studies.\ASAP PLEASE

    What factors shaped the move from colonial, country life to modern, urban life? What was urban city life like during the rise of urbanization? How was it different or similar to modern urban life? Can you help me? I have not heard from my teacher about

    asked by Maryanne
  94. organic chemistry

    Assuming that an average 1 oz of black tea contains approximately 6 mg of caffeine, determine the experimental and %yield of the reaction.

    asked by Mary
  95. Algebra

    using f(x)=4x-5, find f^-1 o f

    asked by James
  96. Chemistry

    a) Photosynthesis is estimated to produce 360.0 g (dry weight) of plant matter per square meter, 50% of which is carbon. Calculate the total number of grams of carbon "fixed" each year by 1000 square meters.
 b) The photosynthetic reaction can be

    asked by Laura
  97. Chemistry

    An analytical chemist determines that an estuarine water sample contains 1.5 g/L of sulfate ion. What is the 
concentration in terms of (a) g/L of S (b) molar concentration of sulfate (c) normality (d) parts per million of sulfate



    asked by Laura
  98. Chemistry

    In manufacturing a fruit drink, citric acid is added to water in the amount of 0.1 mol/L. What is the pH of the resulting 
solution?



    asked by Laura
  99. 7th grade

    400,131 centigrams = 4.00 kilograms

    asked by Anonymous
  100. Science, Grade 8

    Can someone tell me a little about The Wave Model of Light and The Electromagnetic Spectrum. (Who came up with the theory, etc) All help is much appreciated! Tks!!!!!

    asked by Maddison
  101. social studies

    I need help in starting a persuasive essay where the strategy is to convince my company of the value of providing tuition reimbursement and making extra time for adult learning

    asked by Angela
  102. Algebra

    In 1999, there were 200,000 registered dogs that were Labraodr retreivers and dachshunds. There were three times as many Labrador retreivers as dachshunds. Find the number of Labrador retreivers and dachshunds

    asked by brenda
  103. Chemistry

    It has been proposed that wood alcohol, CH3OH, a relatively inexpensive fuel to produce, be decomposed to produce methane. Methane is a natural gas, commonly used for heating homes. is a decomposition from wood alcohol to methane and oxygen

    asked by Anmol
  104. Math

    A theater shows 8 movies at 3 prices five times each day. How many types of tickets does the theater sell? How do I solve this problem???

    asked by sara
  105. college

    how to do this problem. -(25^1/2) =

    asked by Anonymous
  106. Social Studies

    Can someone help me with this question? A) With the emergence of urban cities came the need for a distinct city government, including the role of the boss. B) What were the positives and negatives of having a boss in the city government? C)Do you think the

    asked by Janye
  107. college math

    how to do (y^36)12= (16n)1/2= (12x^8)1/2= 3y^12/10=

    asked by Anonymous
  108. social studies

    No, it is part of my homework to complete a persuasive essay to convince my company

    asked by Angela
  109. social studies

    True or False: Islamic invaders generally demanded that conquered peoples accept Islam.

    asked by dana
  110. physics

    If a person were 300 meters above ground and it took them 7.746 secounds to hit the ground, how fast were they traveling?

    asked by jamie
  111. physics

    What is the total mechanical energy of a 20 kg owl flying at 5.0 m/s through the air at a height of 25 m above the ground?

    asked by jamie
  112. physics

    What is the gravitational potential energy of a 300.0 g coffee cup sitting on a table top 1.25 m above the floor?

    asked by jamie
  113. College Chemistry

    I was asked to find delta Grxn for the equation I2+Cl2--->2ICl. Was given information to solve for Q (PICl= 2.55atm, PI2=0.315, PCl2=0.216), i ended up with 4.4588. Then I solved for the standard G rxn by: Delta G= (-10.9*2)- (19.3+0)= -41.1. I used the

    asked by Mel
  114. Math

    1. sin (teta) / cot (teta) + cos (teta) = sec (teta) --> sin (teta) divide 1 / tan (teta) + cos (teta) I'm stuck now because i don't know where to go from here

    asked by Rachel
  115. government

    what are 2 examples(policy positions) in which the obama administration has worked to the advantage of corporate interests?

    asked by milly
  116. AP BIO

    If a particular experiment were known to have a transformation efficiency of 3 x 103 bacteria/ìg of DNA, how many transformant colonies would be expected to grow on the LB/amp/ara plate?

    asked by Samuel
  117. Social Studies/GuruBlue

    Can you suggest any websites that might help me so that I can do good on this assignment?

    asked by Janye
  118. 5th grade

    lara and maria finished 3 4th of thier homework assigment. lara did 1 4th more of the assignment than maria. what fraction of the assignment. what fraction of the assignment did each girl finish?

    asked by Anonymous
  119. math

    if albert baked 60 cookies and gave 7/12 away how many cookies does he have left

    asked by savannah
  120. math

    how many mL is 4 litters

    asked by savannah
  121. math

    what is half of 2 1/4

    asked by savannah
  122. math

    what is the definition of sphere?

    asked by Kiara
  123. math

    the perimeter of a square is 28 m what is its area

    asked by Anonymous
  124. Chemistry

    In a reaction, 39.5 g of chromium(III) oxide reacts with 14.0 g of aluminum to produce chromium and aluminum oxide. If 27.0 g of chromium is produced, what mass of aluminum oxide is produced? I don't know where to begin. Do I put this into a chemical

    asked by Anonymous
  125. Math

    Hi. what is 67/100 - 3/10?

    asked by cynthia
  126. ummmm

    whats the def. for undercapitalized?

    asked by first name
  127. math

    how do u calculate the area of a triangle

    asked by savannah
  128. whatever?

    what os this website even about?

    asked by whatever?
  129. physics

    Explain why the pressure at depth h in a stationary fluid is `rho g h.

    asked by Benny
  130. English

    I have to write a problem-solution essay and I can't think of a topic. Please help. It can be about any problem.

    asked by Briana
  131. math

    hi. im doing a PIZZAZ! sheet if your familar with it? anyway one of the questions reads,what is 7/12 - 1/3=? please HELP

    asked by ???
  132. math

    defintion of radius

    asked by Kiara
  133. chemistry lab titration

    10.0 mL aliquot of 0.100M Na3AsO4 is titrated with 0.100M HCl. pKa1=2.25 pKa2=6.77 pKa3=11.60 Sketch the titration graph by calculating the pH at 0mL, 5mL, 10mL, 15mL, 20mL, 25mL, 30mL, 40mL of HCl.

    asked by tara
  134. math

    The Number Of Degrees In The Point Angle Of Each Figure 5/2. Can Someone Help Me?

    asked by Heather
  135. Calculus

    find second derivative of f(t)=inverse cos(4t)

    asked by Jay
  136. Calculus

    show the following linearization of the function f(x)=cos(3x)-3sin(3x) at x=2pi

    asked by Jay
  137. English

    Can you please tell me if the following expressions are all possible? Thank you very much in advance. 1)The church played (and not had?) a fundamental role in medieval times. 2)It gave consolation to the oppressed and assistance to the poor. (is the

    asked by Franco
  138. Physics

    calculate the kinetic energy, in J, of a 1200kg automobile travelling at 36km/h

    asked by john
  139. Math Grade 5

    A number pattern with the rule 6n, where n represents the position of the number in the pattern. What are the first five numbers of the pattern?

    asked by Debbie
  140. 5th grade

    What were the protestors called during the Revolutionary War that were against tax laws?

    asked by Cass
  141. art history

    can someone please help me I don't know how to make a thesis statement about a greek krater for my ancient art class

    asked by cely
  142. math

    Show 1/4 of a set of 8 counters. How many counters is that?

    asked by Jordan
  143. ss

    what is the significance of a tributary?

    asked by Olga
  144. math

    what is 150 divided by 2

    asked by savannah
  145. social studies

    how to make a outline foR The Industrial Development of the U.S (1868-1898)?

    asked by jace
  146. management information systems

    can you help me with this question for example , i work for one retail company, so i need explain and justify in selecting the input devices , output devices and software ( system & application software)for that company.

    asked by sonia
  147. Technology~bobpursley

    25. Briefly explain the difference between product design and system design. 25. There are a few differences between system design and product design. System design deals with the arrangement of components to produce a desired result. For example,

    asked by y912f
  148. 4th grade

    Kara walks 9 blocks to school.Each block is 65 feet long.How many yards does Kara walk to and from school?

    asked by Pratyusha
  149. Calc II

    Carbon-14 has a half-life of 5700 years. The charcoal from a tree killed in the volcanic eruption that formed Crater Lake in Oregon contained 59.5% of the carbon-14 found in living matter. Approximate the age of Crater Lake.

    asked by Sarah
  150. Chemistry

    Trying to name this compound and figure out its oxidation state [ CoBr2(NH3)3(H2O) ]+ I came up with triammineaquadibromocobalt(II) ion with a +3 oxidation state...but not sure if this is right... similarily for [Fe(ox)(Cl)4]3- I came up with

    asked by Trixie
  151. math

    An airplane flies from Ft. Myers to Sarasota, a distance of 150 miles, and then turns through an angle of 50° and flies to Orlando, a distance of 100 miles (see the figure). (a) How far is it from Ft. Myers to Orlando? (b) Through what angle should the

    asked by singh
  152. Logic

    Three boxes of grapefruit are incorrectly labeled. The labels read "white", "pink", and "pink and white". Visual identification can only be made by cutting the grapefruit and noting the pink or white color. By taking a single grapefruit from one of the

    asked by Amanda
  153. math

    x y 0.5 2 1 1 2 0.5 4 0.25 5 ? 10 ? part a complet the 2 missin number? need help part b based on the table, writ a function rule that represents the relationship between x and y. rule ____need help_____________________?

    asked by jace
  154. Linear Algebra

    a) Show that if A has a row of zeros and B is any matrix for which AB is defined, then AB also has a row of zeros.

    asked by Sarah
  155. Calculus

    How would you differentiate each function? 1.) v(t)= sin^2 (sqrt (t)) 2.) h(x)= sin x sin 2x sin 3x

    asked by Anney
  156. alegrabra

    which order pair belongs in th solution set y-3x

    asked by Daysy
  157. Calculus

    Determin the absolute extreme values of the function on the given interval. 1.)y= 3 sin x + 4 cos x, xE[0, 2pie]

    asked by Terry
  158. Organic Chemistry

    Write two reactions using a different reagents in each that could be used to prepare pentan-3-one from pentan-3-ol.

    asked by trilla
  159. math

    Samuel Morse developed a character coding system that was used to send messages along telegraph lines and also for light signalling between ships. Morse code is based on a series of dots and dashes (short of long bursts). The most frequently used letter,

    asked by CL
  160. math

    what is 4 divided by 95.96

    asked by taylor
  161. chemistry

    When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find

    asked by anita
  162. Technology

    24. From a technological viewpoint, explain why farming has gotten less labor intensive over the last hundred years. I really need help on this.

    asked by y912f
  163. Statistics

    Can a hypothesis test yield a statistically significant (say p

    asked by Liz
  164. analogies

    letters : mail :: _______ : money

    asked by Jennifer
  165. To: Bobpursely

    You helped me with my observations yesterday, but I need help with my questions as well. I tried to answer as many as I could by myself, but I'm having difficulties understanding some. Pointing me towards the right direction would be helpful, thanks.

    asked by Sara
  166. math

    which equation is equivalent to 5x-2(7x+1)=14x? why? a -9x-2=14x b -9xt1=14x c -9x+2=14x d 12x-1=14x

    asked by eva
  167. English

    Is this a good sentence using the words: affliction: the cause of persistent pain or distress I was afflicted by grief after my cousins death. Digress: to turn aside especially from the main subject of attention or course of argument While discussing the

    asked by Christina
  168. math

    noel and renaldo want to rent bikes with two other friends. they have $150 to spend on bike rentals. bike rentals rent 1 bike for 9.75 per hour. special group rate for group of 4 or more, save $3.00 per person. 4(9.75h-3)=150 noel says they have enough

    asked by jace
  169. PSYCHOLOGY

    Consider your immediate peer group at work. How would you describe authority as it exists and is exercised in this group? What causes it to be exercised this way? How can the study of psychology improve group “dynamics”?

    asked by MISSY
  170. algebra

    without graphing, identify the slope and the y-intercept for the line associated with the equaiton. 5x + 20y = 60

    asked by Lori
  171. chemistry

    At room temperature pure water has a density of 1.00 g/ mL. What mass of water (in grams) will fit into a container if 1.00 lb. of mercury completely fills the container? Okay, here is what I solved so far. Let's say H2o equals water and Hg equals mercury=

    asked by Amy
  172. social studies

    No, it is part of my homework to complete a persuasive essay to convince my company the value of providing tuition reimbursement and make extra time for adults learning.

    asked by Angela
  173. PSYCHOLOGY

    How do classical conditioning procedures differ from operant conditioning procedures? How are they similar? In your opinion, which learning process is more effective? Why? How do we see observational learning being used in the work place? How do we see

    asked by MISSY
  174. math

    A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a 20 feet b 40 feet c 60

    asked by eva
  175. English

    Is this a good sentence using the words: Procure: to get possession of; achieve If you study hard you will procure good grades. Beguile: to lead by deception; divert The dog beguiled the thief's attention away from the cowering people towards him. Truce: a

    asked by Christina
  176. math word

    beth is two years older than julio. gerald is twice as old as beth. debra is twice as old as gerald. the sum of their ages is 38? how old id beth a 3 b 5 c 6 d 8 why!!!

    asked by iris
  177. math

    noel and renaldo want to rent bikes with two other friends. they have $150 to spend on bike rentals. bike rentals rent 1 bike for 9.75 per hour. special group rate for group of 4 or more, save $3.00 per person. 4(9.75h-3)=150 noel says they have enough

    asked by jace
  178. English-Friendship Poem

    I've read through this friendship poem, and now I need help with some of the questions. Here is this frienship poem: If you don't come-by marguerite mack The sun will get smaller and smaller and the grass won't green or the trees leaf and there will be no

    asked by Sara
  179. math/algebra

    15 over 7y=3

    asked by Thailia
  180. psychology

    what is it called when you learn from the consequences of behavior?

    asked by Chantz
  181. algebra 1

    what is the y-intercept of the graph of 4x+2y=12? i was giong well on my scratch paper and i mest up and i got stuck and had to erase everything and do it over answers: a -4 b -2 c 6 d 12 please and thank you i need how they do the work i cant decide!

    asked by isabel
  182. chemistry

    How is a mole ratio used to find the limiting reactant? Is there a specific equation to find the limiting reactant? Can someone explain it to me because I don't understand it.

    asked by Clary
  183. algebra 1

    which piont lies on the line defined by 3x+6y=2? a (0,2) b (o,6) c {1,-1/6} d {1,-1/3}

    asked by jen
  184. chem

    Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?

    asked by Anonymous
  185. math-PLEASE HELP

    consider a bowl containing 36 different slipsof paper. Ten of the slips of paper each contain one of the set of digits0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. Determine the probabilities of the events specified. Drawing

    asked by KiKi
  186. micro economics

    Why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to surrounding economic development?

    asked by corey trower
  187. English/Language

    What does the idiom "Behind the eight ball" mean? Thanks to anyone that could help!

    asked by Tori
  188. math

    5p to the 2nd power t + 3p to the 2nd power t = ?

    asked by jace
  189. English-Friendship Poem

    Here is another poem: the competition-by patricia young At times the competition was fierce between Cheri and me. Had to be equal in all things. Neither could bear that the other could run faster, picker a raspberry bush cleaner, that the other's mind

    asked by Sara
  190. totally math

    what is the equation of the line that has a slope of 4 and passes through the piont (3,-10)? a y=4x-22 b y=4x+22 c y=4x-43 d y=4x+43

    asked by eva
  191. micro economics

    What kinds of costs are involved in making a decision to shut down?

    asked by corey trower
  192. math-please help due tonight

    If P (A) = 2/3, P (B) = 1/6, and P (A and B) = 0 what can you say about P (A or B)?

    asked by KiKi
  193. chem

    i need help

    asked by amy
  194. chem

    i need help while mercury is very useful in barometers, mercury vapor is toxic. given that mercury has Hvapp=56.9kj/mol and its normal boiling point is 356.7C calculate the vapor pressure mm Hg at room temperature, 25c

    asked by amy
  195. totally math

    some ordered pairs for a linear function of x are given in the table below. x y 1 1 3 7 5 13 7 19 sorry im not good at tables which of the following equations was used too generaTE the table above a y=2x+1 b y=2x-1 c y=3x-2 d y=4x-3

    asked by eva
  196. 11th grade Algebra 2

    At a college bookstore, Carla purchased a math textbook and a novel thjat cost a total of $54, not including tax. If the price if the math textbook, m, is $8 more than 3 times the price of the novel, n, write a system of linear equations that could be used

    asked by David Nipp
  197. piont math spring break

    which piont lies on the line represented by the equation below? 5x+4y=22 a -2,11/4 b -1,17/4 c 2,3 d 6,2

    asked by eva
  198. physics

    If a 31.0 N·m torque on a wheel causes angular acceleration 22.0 rad/s2, what is the wheel's rotational inertia?

    asked by Jordan
  199. U.S history

    what are 3 things that were or could of been, seen as "clouds in the blue skies of prosperity"?

    asked by alexis
  200. Literacy

    What risks do teachers have when allowing students to pick their own reading material, and how much of a factor should that be in picking an approach to teach reading?

    asked by Anonymous
  201. 11th grade Algebra 2

    A retaurant sold a total of 418 largeand small hanburgers during one day. Total hamburger sales were $1077. Large hamburgers sold for $3, and small hamburgers sold for $1.50. Write a system of liner equations can be used to find, l, the numberof large

    asked by David Nipp
  202. 4th grade

    if there were 36 coins in the bag,how many pennies and dimes do you predict there were?explain your answer

    asked by abril
  203. English-Friendship Poem

    What are Friends For-by rosellen brown What are friends for, my mother asks. A duty undone, visit missed, casserole unbaked for sick Jane. Someone has just made her bitter. Nothing. They are for nothing, friends, I think. All they do in the end-they touch

    asked by Sara
  204. 11th grade Algebra 2

    Some students want to order shirts with their school logo. One company charges $9.65 per shirt a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. For what number of shirts would the cost be the same?

    asked by David Nipp
  205. 5th grade

    Is there hidden cost with pulley systems that reduce effort?

    asked by JC
  206. CHemistry

    The half-life of tritium is approximately 12 years. What will be the molar ratio of tritium to helium-3 in a sealed sampel after 25 years?



    asked by Laura
  207. 11th grade Algebra 2

    Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets these conditions?

    asked by David Nipp
  208. Chemistry

    A stoppered flask at 25 C contains 250 mL water, 200 mL octanol, and 50 mL of air. An unknown mass of o-xylene is added to the 
flask and allowed to partition among the phases. After equilibrium has been established, 5.0 mg of o-xylene are measured in

    asked by Laura
  209. math

    Louis Braille devised a system of six raised or not-raised dots to signify a letter of the alphabet. a) How many different letters or characters may be coded in Braille? b) If you wanted to code 94 distinct characters, such as those found on a computer

    asked by CL
  210. algeabra

    Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event

    asked by Anonymous
  211. fractions

    7/13 divided by 3/4

    asked by mel
  212. earth science

    if continental crust were thinner than its average thickness of 40 km, would it depress the mantle more or less than it does now?

    asked by clauberta
  213. earth science

    Select all of the answers that apply. Some rules to remember when reading topographic maps are _____. 1)the elevations of contour lines must always be whole number multiples of the contour interval. 2)the thin line separating two different rock units is a

    asked by george
  214. physics

    In the figure below, a constant horizontal force !@#$%^&p of magnitude 18 N is applied to a wheel of mass 12 kg and radius 0.50 m. The wheel rolls smoothly on the horizontal surface, and the acceleration of its center of mass has magnitude 0.50 m/s2. What

    asked by Jordan
  215. Chemistry

    What mass (in grams)of mercury will fit into a 2 L bottle? M= DV V= 2L= 2,00o mL D= 13.6 g/ mL Mass= 27, 200 grams??

    asked by Amy
  216. Science

    Two bumper cars collide and then move away from each other. How do the forces the bumper cars exert on each other compare?

    asked by Parker
  217. Math

    Can someone tell me what allegro mean in math terms?

    asked by Darrell
  218. chemistry

    if 32kj of energy results in an average weight gain of 1 g of body mass, then how much weight could a person gain after eating 1 cookie. mass of 15.21g of a cookie.

    asked by James
  219. In Music

    What does Allegro mean?

    asked by Darrell
  220. math

    I'm doing solving quadratic equations.I need help with couple of problems. k(k+5)=0,4r^2=100

    asked by lauren
  221. writting

    what does hewn mean? Also can i get a list of synonyms for objects , cutting , impact and act. please help!

    asked by saira
  222. COM/150

    Formatting Academic Papers Crossword puzzle week 8 com 150,

    asked by tony
  223. Geography

    Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information

    asked by george
  224. algerbra

    x-5=21 What is x=

    asked by renee
  225. Math

    the length of a rectangle is 3cm more than twice the width. the perimeter is 84cm. find the length

    asked by Brett
  226. bus 210

    Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

    asked by shelia
  227. health Care

    . CheckPoint: Hospitals • Post a 200- to 300-word response to the following: Hospitals are generally categorized as nonprofit, for-profit, or governmental. Identify at least one example of each from your community or state. What are the differences in

    asked by Falguni Patel
  228. MATH-CALC

    3.A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding?

    asked by MILEY
  229. Calculus

    4. A gas station stands at the intersection of a north-south road and an east-west road. A police car is traveling towards the gas station from the east, chasing a stolen truck which is traveling north away from the gas station. The speed of the police car

    asked by MILEY
  230. math

    The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made

    asked by piper
  231. math

    1. With time, t, in minutes, the temperature, H, in degrees Celsius, of a bottle of water put in the refrigerator at time t=o is given by H = 4 + 16e-.02t How fast is the water cooling initially? After 10 minutes? Include units in your answer

    asked by piper
  232. --------

    Using the following letters once, what word can you make: A,E,M,R,S,S,T.

    asked by Ali
  233. algebra

    Each letter of the alphabet is written on a separate piece of paper and placed in a box. Find the probability of drawing a vowel, {a, e, i, o, u}, or a letter in the word segment

    asked by Anonymous
  234. math 12

    The mean and standard deviation of a set of data are two measurments that describe the data. A certain student has written 8 out of 10 unit exams, which are equally weighted. The student misses the ninth exam and receives a score of 0. However, for the

    asked by Leigh
  235. math

    the ratio of strings to woodwind instruments in a baroque orchestra is 5:3. if there are 24 instruments in total, how many stringed instruments are there in the orchestra?

    asked by mimi
  236. Biology

    Bacteria produce yogurt from milk by (a) conjugation (b) aerobic respiration (c) fermentation (d) fixing nitrogen I'm missing school for a week so I need help with a few Biology problems.

    asked by Roslyn
  237. English

    I have a standard 5 paragraph in class essay tomorrow. Any tips, friends?

    asked by melony
  238. Math

    Trains A & B are traveling in the same direction on parallel tracks. Train A is going 60mph and Train B at 80mph. Train A passes a station at 6:25 am. If Train b passes the same station at 6:37, what time will B catch up with A? The answer I received is:

    asked by Richard
  239. Biology

    I feel stupid, but seriously, I used to be better at Science than Math. Now it's the other way around. Bacterial DNA is (a) a closed loop (b) encased in a capsule (c) linear (d) found in the nucleus. The glycocalyx helps bacteria (a) survive unfavorable

    asked by Roslyn
  240. exciting school!

    16a/4 (divided by 4) how would u do this?

    asked by anna
  241. algerbra

    -2/5x=8/35 What does the solution x =

    asked by renee
  242. Chemistry

    "For which of the following equations is the value of delta H equivalent to the bond enthalpy for the carbon-oxygen bond in carbon monoxide? A. CO(g)-> C(g) + O(g) B. CO(g)-> C(s) + O(g) C. CO(g)-> C(s) + 1/2 O2(g) d. CO(g)-> C(g) + 1/2 O2 (g)" I'm

    asked by Stuck
  243. math

    the length of a rectangle is 3cm more than twice the width. the perimeter is 84cm. find the length Please show me the steps on how you get the answer. Thanks

    asked by Brett
  244. chemistry

    a 150ml sample of wetlands water requires 25.00 mL of a 0.0250 MH2SO4 solution for neutralization. Calculate the molarity of CaCO3 in the sample

    asked by tom
  245. Chemistry

    The initial pressure for the compounds involved in the reaction shown were determined to be P(Br2(g)) = 0.5417 atm, P(Cl2(g)) = 0.6962 atm, P(BrCl(g)) = 0.3442 atm. Calculate the value of the equilibrium constant (Kp) at 1000 K if the equilibrium pressure

    asked by Amphee
  246. math

    the ratio of strings to woodwind instruments in a baroque orchestra is 5:3. if there are 24 instruments in total, how many stringed instruments are there in the orchestra?

    asked by mimi
  247. Paragraph

    Paragraph Imagine you are an elected official with the responsibility of drafting legislation designed to protect our environment. What items will you include in your bill? Who will be responsible for the bill's implementation? Its enforcement

    asked by george
  248. To: Ms. Sue

    Ms. Sue could you please look through this and tell me if my answers are correct, thank you very much:-) This was one poem which I was having troubles understanding. Mostly the 1st stanza. What are Friends For-by rosellen brown What are friends for, my

    asked by Sara
  249. Chemistry

    If the initial concentration of NO(g) is 6.745 mol/L, calculate the % of NO(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 2400 K is 400.00. The initial concentration of the reaction products is 0

    asked by Amphee
  250. us history

    the slaved-based economy in the south is created by?

    asked by maria
  251. Algebra

    (25x^6y^8z^2)^3/2

    asked by mada
  252. geometry

    What is the area of the base or a right triangular prisim? V= 90cm cubed h=10cm

    asked by Kirbie
  253. college,stats/ PLZ HELP:( need it within nxt 6hrs

    Among Canadian households, 24% have telephone answering machines. If a telemarketing company contacts 2500 households find the probability that between 625 and 650 households, inclusive, have answering machines.

    asked by Sandra
  254. math

    A rule of thumb used by car dealers is that the trade-in value of a car decreases by 30% each year. That is, the value at the end of any year is 70% of its value at the beginning of the year A.Suppose that you own a car whose trade-in value is presently

    asked by kaylarae
  255. Chemistry

    The reaction rate triples when the temperature increases from 15 to 35 degree C. What is the activation energy?

    asked by Darcy
  256. chemistry

    if 32kj of energy results in an average weight gain of 1 g of body mass, then how much weight could a person gain after eating 1 cookie. use dimensional analysis mass of 15.21g of a cookie.

    asked by James
  257. Chemistry

    A first order reaction has an activation enery of 50.0kJ/mol. When a catalyst is added the activation energy of the catalyzed reaction is Ea/2. Calculate the ration of k(uncatalyzed)/k(catalyzed) at 25 degree C.

    asked by Darcy
  258. programming

    I am in IT/210 and am having problems with the entire class. But what I am stuck on is as follows: Consider the following statement where X is an integer test score between 0 and 100. input X if (

    asked by Sandy
  259. math

    The larger square is 14 feet long. The smaller square is 2 feet long. What is the area?

    asked by Jared
  260. algebra

    Are the pairs parallel, perpendicular, or neither 3x+4y=1 4x+3y=8 I say they are perpendicular

    asked by jess
  261. pre calc

    suppose beta is an angle in the second quadrant and tan beta=-2. Fine the exact vaule of sin beta and cos beta

    asked by Danika
  262. math

    7-4w=10w

    asked by Anonymous
  263. pre ap bio

    why/how do obligate anaerobes make byproducts?

    asked by Anonymous
  264. Chemistry

    In the neutralization of HCl and NaOH i was instructed to measure the temperature of the acid HCl prior to mixing the reaction components. I was to assume however, that the NaOH solution was at this same temperature. Is this a reasonable assumption?

    asked by Jane
  265. 9th grade English

    This is the 2nd body paragraph for my Romeo and Juliet essay about fate. Can you please read over it and please give me your opinion and any advice on how to make it better. Throughout the play, the characters have mentioned fate and fortune numerous times

    asked by Verlee