Questions Asked on
February 17, 2010

  1. Algebra

    Why are small balloons cheaper than large balloons?

    asked by Sakura
  2. chemistry

    is methanol's(CH3OH) shape tetrahedral, pyramidal, bent, linear, or trigonal planer? i don't think its bent or linear...i think its trigonal planer. am i right?

    asked by Anonymous
  3. Chem-Lab-HELP!!

    Heating 1.124g of an unknown NaHCO3-NaCl mixture resulted ina mass loss of 0.270g. 1) Calculate the mass of NaHCO3 present in the original mixture. 2) Calculate the mass percent of NaHCO3 in the uknown mixture

    asked by Macey
  4. math

    Why was Jesse James in the hospital?

    asked by Jan
  5. physics

    A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to each other. -What is the total resistance of the load? -What is the magnitude of the circuit current? -What is the current in one

    asked by Rony
  6. history

    Why was Vladiir Lenin unhappy with the results of the February Revolution?

    asked by Taylor
  7. chemistry

    Which of the following are empirical formulas? A) Ribose (C5H10O5) B) Ethyl Butyrate (C6H12O2) C) Chlorophyll (C55H72MgN4O5) D) DEET (C12H17ON) (numbers are subscripts)

    asked by Jack
  8. Chemistry

    **When 0.187 g of benzene,C6H6, is burned in a bomb calorimeter, the surrounding water bath rises in temperature by 7.48 C. ** Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate

    asked by Julie
  9. physics

    A bag of sugar weighs 6.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth?

    asked by mel
  10. Scientific studies

    A falling stone takes 0.28 s to travel past a window 2.2 m tall. From what height above the top of the window did the stone fall?

    asked by Aly
  11. Chemistry

    Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25°C. Calculate the molarity of a solution of acetic acid made by dissolving 10.00 mL of glacial acetic acid at 25°C in enough water to make 150.0 mL of solution.

    asked by Mindy
  12. Chemistry

    Imagine that your water heater has broken, but you want to take a bath. You fill your bathtub with 25kg of room-temperature water (about 25C). You figure that you can boil water on the stove and pour it into the bath to raise the temperature. How much

    asked by Anonymous
  13. Chemistry

    Explain how to make a 1 Normal solution H3PO4.

    asked by David
  14. Physics

    The relatively high resistivity of dry skin, about 1x10^6 Ohm m, can safely limit the flow of current into deeper tissues of the body. Suppose an electrical worker places his palm on an instrument whose metal case is accidently connected to a high voltage.

    asked by Anthony
  15. calculus

    Find the length of the entire perimeter of the region inside r = 16sin(theta) but outside r = 4

    asked by rao shahbaz
  16. Chemistry

    In an experiment to find the percentage of calcium carbonate in sand from a beach, 1.86 g of sand reacted with an excess of dilute hydrochloric acid to give 0.55 g of carbon dioxide. CaCO3 (s) + 2HCL (aq) – CaCl2(aq) + CO2(g) + H2O (l) 1.Calculate the

    asked by Tony
  17. Physics

    When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms. What is the average current(Value and units)?

    asked by Anthony
  18. Chemistry

    How much heat (in kilojoules) is evolved or absorbed in the reaction of 2.65 g of Na with H2O? 2Na+2H2O ---> 2NaOH + 2H2 Delta H= -368.4

    asked by Anonymous
  19. statistics

    In response to the increasing weight of airline passengers, the Federal Aviation Administration in 2003 told airlines to assume that passengers average 190 pounds in the summer, including clothing and carry-on baggage. But passengers vary, and the FAA did

    asked by steve
  20. Biology

    2. Which statement best explains the effect of resources on population size? a. the exponential growth curve models the effects of limiting resources on population size b. Limited resources decrease the growth rate of population size c. Density-dependent

    asked by mysterychicken
  21. AP Chemistry

    A 1.2M NaOCl solution is prepared by dissolving solid NaOCL in distilled water at 298K. The hydrolysis reaction OCl-(aq) + H2O(l) --> HOCl(aq) + OH-(aq) occurs. a. Calculate the value of the equilibrium constant at 298K for the hydrolysis reaction. b.

    asked by Anonymous
  22. Trig

    How do you express sin4x as a trigonometric funcition of x using the identities? I think that you are supposed to start with the sine sum identity and then use the double angle identities for sin2A and cos2A, but after that I get stuck...

    asked by Taylor
  23. English-Grammar

    When would you use: Jim and I or Jim and me? Can you give me some examples...and maybe a website. Thank you.

    asked by Christopher
  24. Physics

    Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.1 M Ohm measured between two electrodes placed 20cm apart along the leaf. The leaf has a width of 2.8

    asked by Anthony
  25. Physical Science

    If a cube of Jello is cut into two pieces, what property of the pieces did not change?

    asked by Tamika
  26. chemistry

    How many moles of TiCl4 can be produced when 9.00 mol Ti react with 4.00 mol Cl2?

    asked by sara
  27. Chemistry

    How much heat (in kilojoules) is released on reaction of 4.10 g of Al? Reaction: 2Al(s) + 3Cl2(g)--->2AlCl3(s) Delta H= -1408.4 KJ -I converted grams to Al to moles -and since there are 2 moles of Al, what do i do with the -1408.4 KJ? please provide steps.

    asked by Julie
  28. Physics

    You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, using all the metal, with a resistance of 1.7 Ohm. What length l will you choose for your wire? What diameter d will you

    asked by Anthony
  29. Physics

    You've made the finals of the Science Olympics! As one of your tasks, you're given 1.8g of copper and asked to make a wire, using all the metal, with a resistance of 1.3 Ohm. Copper has a density of 8900 kg/m^3. What length will you choose for your wire(in

    asked by Anthony
  30. Trigonometry

    Use the cofunction identities to find an angle x that makes the statement true: tan(2x-140) = cot(x+5)

    asked by Sandra
  31. Physics

    In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms. What is the current during the strike?

    asked by Anthony
  32. 2nd grade

    what is the wrong verb in this sentence? One person done something wrong?

    asked by ronald
  33. Biology

    2. Which statement best explains the effect of resources on population size? a. the exponential growth curve models the effects of limiting resources on population size b. Limited resources decrease the growth rate of population size c. Density-dependent

    asked by mysterychicken
  34. physics

    Two people are pulling a boat through the water as in the figure below. Each exerts a force of 600 N directed at a è = 20.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force exerted by

    asked by Anonymous
  35. Physics

    An electric catfish can generate a significant potential difference using stacks of special cells called electrocytes. Each electrocyte develops a potential difference of 110 mV. How many cells must be connected in series to give the 350V a large catfish

    asked by Anthony
  36. Physics

    An electric eel develops a potential difference of 460 V, driving a current of 0.80 A for a 1.0 ms pulse. Find the power of this pulse. Find the total energy of this pulse. Find the total charge that flows during the pulse.

    asked by Anthony
  37. Physics

    A 70 W electric blanket runs at 24 V. What is the resistance of the wire in the blanket? How much current does the wire carry?

    asked by Anthony
  38. Chemistry

    A sample of solid Ca(OH)2 is stirred in water at 30°!@#$%^&il the solution contains as much dissolved Ca(OH)2 as it can hold. A 100.-mL sample of this solution is withdrawn and titrated with 5.00 X 10^-2 M HBr. It requires 48.8 mL of the acid solution for

    asked by Candice
  39. Chemistry

    "Energy is released when 100 kg of steam at 150 degrees Celsius and standard pressure changes to water at 60 degrees Celsius. Calculate the total energy change". I used q=mct to find the energy required to change to 100 degrees Celsius. But now what??

    asked by Stuck
  40. Physics

    2.0x10^13 electrons flow through a transistor in 1.0ms. What is the current through the transistor?

    asked by Anthony
  41. Scientific studies

    A stone is thrown vertically upward with a speed of (a) How fast is it moving when it reaches a height of 11.0 m? (b) How long is required to reach this height? (c) Why are there two answers to (b)?

    asked by Aly
  42. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 % sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  43. Psychology

    According to your text, which of the following is NOT a cause of conflict in groups? (Points: 4) defensive communication patterns or conflicts of interest differences in culture, personality, performance, or expectations poor communication patterns,

    asked by lola
  44. chemistry

    How many moles of TiCl4 can be produced when 9.00 mol Ti react with 4.00 mol Cl2?

    asked by sara
  45. calculus

    write equation of line that passes through the point 1)parallel to the given line 2)perpendicular to the given line pt (6,2) line -9x+9y=144 a)para -9x+9y=-72 perp -9x-9y=-36 b)para -9x-9y=-36 perp -9x-9y=-72 c)para 9x+9y=-36 perp 9x-9y=-72 d)para

    asked by ashley
  46. 4th grade math

    Judy and Ramey together have 42 stuffed animals. Judy has 12 fewer animals than Ramey. How many stuffed animals does each girl have? I know that the answer is Ramey has 27 and Judy has 12 but I don't know how to write the equation for solving it. I figured

    asked by Erik
  47. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 % sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  48. calculus

    Consider the solid obtained by rotating the region bounded by the given curves about the line x = 4. x= 4y^2 , x = 4 Find the volume V of this solid.

    asked by JESSICA
  49. Data management

    The camera club has 5 members, and the math club has 8 members. There is only one member common to both clubs. In how many ways could a committee of 4 people be formed with at least 1 member from each group?

    asked by Emily
  50. physics

    A man 2 m tall is walking away from a lamppost which is 6m tall at a rate of 2 m/s. Find the rate of change of a)the tip of the shadow b) the length of his shadow

    asked by calculus
  51. US Government

    Why was the separation of powers among the branches important to the founding fathers? Thanks so much! Ash

    asked by ASH
  52. CALCULUS 2

    Consider the solid obtained by rotating the region bounded by the given curves about the line x = 1. y = x, y = 0, x = 4, x = 6 Find the volume V of this solid

    asked by HELP PLEASE!
  53. math

    Which of the following is equal to the expression below?(7-5)3

    asked by pretty grah
  54. 12th grade

    In a TV set, a beam of electrons is shot horizontally from the rear of the TV tube toward the screen with a speed about 1x10^7 m/s. If the distance from the rear of the TV set to the front is .5m, approximately how far do the electrons drop because of the

    asked by Rae Lee
  55. Pchem

    2 NO2(g) N2(g) + 2 O2(g) The ¥ÄH¡Æ for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens if NO2 is added to the reaction mixture at constant temperature and volume? (Select all that apply.) And here's the options. The

    asked by JCY
  56. math

    can your help me with my homework question? Gildas family goes on vacation. They travel 125 miles in the first 2.5 hours.If Gildas family continues to travel at this rate.how many miles will they travel in 6 hours? distance= rate + time

    asked by pavleen
  57. chemistry

    1) Calculate the specific heat capacity (J/g oC) of iron, if a 803 g sample lost 937.4 J of heat energy in going from an initial temperature of 5.50 oC to a final temperature of 2.90 oC. 2)Calculate the final temperature (oC) of a 243 g sample of water

    asked by eng
  58. chemistry

    What is the percent composition for Lucky Charms?

    asked by Anonymous
  59. chemistry

    When 0.667 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 108C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. what is the molar heat of reaction,

    asked by blasting
  60. math

    8x+5y=184, x-y=3

    asked by kelsi
  61. English

    Thank you very much for your last corrections! Could you possibly check these other sentences, too? Thank you. 1) In 43 AD the island was conquered by the Romans, who introduced their language and culture and built towns connected by roads. 2) In 409 the

    asked by Franco
  62. chemistry

    How many grams of gaseous required? If 0.260 mol of solid C and 20.0 g of solid TiO2 are reacted stoichiometrically according to the balanced equation, how many grams of gaseous Cl2 are required? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)

    asked by Louis
  63. CALCULUS 2

    Consider the solid S described below. A right circular cone with height 7h and base radius 2r Find the volume V of this solid

    asked by HELP PLEASE!
  64. US Federal Government

    How is popular sovereignty present in US Federal government? I know popular sovereignty means the people have the primary source of governmental authority (it also had to do with slaves states and how a state registered their vote as a slave state or not a

    asked by ASH
  65. calculus

    Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, and x=.2 about the y-axis

    asked by rachel
  66. statistics

    The US Senate consists of 100 senators, 2 from each state. A group of 5 senators is formed. 1.) how many groups are possible? 2.)how many are possible if no 2 senators from the same state can be chosen? 3.)what is the probability that no 2 from the same

    asked by Jason Dunder
  67. Scientific studies

    A helicopter is ascending vertically with a speed of 5.20m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take fo the package to reach the ground? [Hint: The package's initial speed equals the

    asked by Aly
  68. Chemistry

    why is it not necessary to wait for the entire sample of water to freeze in order to determine its freezing point?

    asked by Anonymous
  69. Healthcare

    Where can I find information about Managed Health Care? I am also interested in its pros and cons. Also, where can I find information regarding Reforma de Salud de Puerto Rico? (Puerto Rico Health Reform) (Besides Wikipedia...) I would greatly appreciate

    asked by Mercedes
  70. Geography

    Oct. 1: We're starting the last leg of our trip. Good thing! We're on our last legs! We sailed between Corsica and Sardinia to this Mediterranean port in the second-largest country in Western Europe. We're about 75 miles south of the French border,but

    asked by y912f
  71. 12th grade

    would you expect an H2Se molecule to have a shape similar to that of water? Give a reason for your answer?

    asked by pv
  72. Physics

    Two fully charged capacitors (C1 = 2.00uF, q1=6.00uC,C2=8.00uF, q2 = 12.0 uC). The switch is closed, and the charge flowed until equilibrium is re-established, which occurs when both capacitors have the same voltage across their plates. Find the resulting

    asked by Eric
  73. algebra

    whats the answer to 3xy(2x^2+5xy-7y^2

    asked by sjdsdhska
  74. Math - average grade

    Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade?

    asked by refy
  75. Chemistry

    If 61.0 g of gaseous Cl2 and 25.4 mL of liquid CS2 are reacted stoichiometrically according to the balanced equation, how many milliliters of liquid CCl4 are produced? CS2(l) + 3Cl2(g) → CCl4(l) + S2Cl2(l)

    asked by John
  76. physics

    A freight train has a mass of 1.9 107 kg. If the locomotive can exert a constant pull of 7.5 105 N, how long does it take to increase the speed of the train from rest to 90 km/h in minutes?

    asked by Anonymous
  77. MATH

    iF YOU DIVIDE 30 BY ME, THE ANSWER IS 3 DOUBLED. WHAT NUMBER AM i >

    asked by 3rd
  78. calculus

    Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, and x=.2 about the y-axis

    asked by rachel
  79. Physics

    A car battery is rated at 90A hr, meaning that it can supply a 90A current for 1 hr before being completely discharged. If you leave your headlights on until the battery is completely dead, how much charge leaves the positive terminal of the battery?

    asked by Anthony
  80. Scientific studies

    A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is how high is the cliff?

    asked by Aly
  81. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  82. English

    Can you check the following sentences for me? Let me know how I can improve them, please. 1) England was invaded by some Germanic tribes, known under the name of (?) the Anglo-Saxons, then by the Vikings, who were defecate by the Normans. 2) As far as

    asked by Franco
  83. Scientific studies

    A toy air rocket is launched vertically with an initial velocity of 22m/s. (a) How long does it take to reach its maximum height (v=0m/s? (b) How long does it take to return to the ground (x-0m)?

    asked by Aly
  84. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  85. chemistry

    The reaction of zinc and chlorine requires 0.00624 mol of Zn and 0.0125 mol of Cl to react exactly to form zinc chloride. What is the mole ratio of Zn to Cl? What is the empirical formula of zinc chloride?

    asked by Cheryl
  86. choir/language

    what language is the song bonse aba in? im thinking zambian am i right?

    asked by ali
  87. math

    People weigh 6 times as much on Earth as they do on the moon.Mr.Marks weighs 180 pounds on Earth.How much would he weigh on the moon?

    asked by Thanh
  88. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  89. chemistry

    Two aqueous solutions of sucrose, C12H22O12, are mixed. One solution is 0.1495 M sucrose and has d = 1.018 g/mL; the other is 12.00 sucrose by mass and has d = 1.038 g/ml. Calculate the moles C12H22O12 percent in the mixed solution. Please provide steps

    asked by anonymous
  90. calculus

    Is this correct? 3ln(2)-1/3ln(x^2+4) =ln(8/©ø¡îx©÷+4)

    asked by ashley
  91. Pre-Cal

    Find all the soultions of the equation in the interval (0,2pi) sin 2x = -sqrt3 /2 sin -sqrt3 /2 is 4pi/3 and 5pi/3 in the unit circle 2x= 4pi/3 + 2npi 2x=5pi/3 + 2npi I do not know what to do at this point.

    asked by Hannah
  92. Conversion

    What is 14.586 Newtons converted to convert μN?? I thought it was 14,580,000 μN but I am not sure. Thank You

    asked by engmath
  93. Chemistry

    What is the molar heat of reaction? When 0.732 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 119C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.

    asked by Chris
  94. geography

    how has the geography and history of the South helped create a diverse population that continues to grow?

    asked by bex
  95. psychology

    WHAT TASK COMPONENT DISTINGUISHES THE WECHSLER SCALES FROM SBIS?

    asked by tea scott
  96. Chemistry

    You were using H3PO4 to make an acid solution. What is the equivalent weight of H3PO4

    asked by David
  97. english

    the names of five books written by West Indian authors

    asked by prashnildass
  98. calculus

    Is the function f(x)=x²(4-x)² even?

    asked by ashley
  99. Trigonometry

    Factor 1-sin^3x

    asked by Sandra
  100. Calculus 2

    Find the volume of the solid obtained by revolving the graph of y=x(sqrt(1-x^2)) over [0,1] about the y-axis. How do you write the integral?

    asked by Jenna
  101. Chemistry

    How does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions? How Do You Know?

    asked by Laverne
  102. science

    why does an air bubble rise to the surface of a glass of water

    asked by pavleen
  103. Chemistry

    What is the difference between organic acids and mineral acids?

    asked by MJ
  104. algebra

    Show a complete algebraic solution for the following: find 4 consecutive multiples of 11 with the sum of 2178

    asked by Anna
  105. Math

    1.Four coins are tossed.What is the probability of tossing all heads? 2.A card is chosen at random from a deck of 52 cards.It is then replaced and a second card is chosen.What is the probability of getting a jack and then an eight?

    asked by Shadow
  106. Math

    1.Four coins are tossed.What is the probability of tossing all heads? 2.A card is chosen at random from a deck of 52 cards.It is then replaced and a second card is chosen.What is the probability of getting a jack and then an eight?

    asked by Shadow
  107. calculus

    Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, and x=.2 about the y-axis

    asked by rachel
  108. spanish

    Are these the correct way to write the spanish sentences? : - in the morning tommy and children greet each other. : In the morning Tommy y los niños se salude. -Everyone has fun when they play on the playground. : Todos se diviertían cuando ellos jugaban

    asked by kat
  109. calculus

    lim sinx as x approaches pie/r A) -(2^1/2)/2 B) (2^1/2)/2 C) (2^-1/2)/4 D) DOES NOT EXIST E) -(2^(-1/2))/4

    asked by ashley
  110. physics

    A train is travelling 20metres per second, accelerates at 0,5 cubic metres per second for 30 seconds.How far will it travel in this time?

    asked by Lutho
  111. lit.

    whats the setting for lamb to the slaughter

    asked by gabby
  112. Spanish

    are these the correct verb tense and conjugations? i have to use either preterite or imperfect. 1. they were looking - buscaban 2. they talked - hablaban 3. they thought - piensaron 4. they liked - gustaron 5. they needed - necesitaron 6. they asked -

    asked by m
  113. physics

    A football punter accelerates a football from rest to a speed of 8 m/s during the time in which his toe is in contact with the ball (about 0.16 s). If the football has a mass of 0.50 kg, what average force does the punter exert on the ball?

    asked by mel
  114. Psychology

    THE Big Five dimensions of personality

    asked by lola
  115. calculus II

    Consider the solid obtained by rotating the region bounded by the given curves about the line y = 2. Y = 2+secx -pi/3

    asked by JILL
  116. Theories of counseling

    what is the role of the therapist in a professional counseling session

    asked by Sony
  117. physics

    Two resistors, one 12Ohms and the other 18 Ohms, are connected in parallel. What is the equivalent resistance of the parallel combination?

    asked by Rony
  118. math

    the ratio of boys to girls in a science class is 5 to 4. If there are 8 girls in the class, how many boys are there?

    asked by miguel
  119. Chem.

    The experiment requires 1 mg per ml of iron (Fe3+). What mass of iron (III) nitrate hexahydrate (Fe(NO3) - 6H2O) would you need to dissolve in 1 litre to achieve this value?

    asked by Purple
  120. Math

    1.(Y+2)/(Y^2-9) * (4Y+12)/(3Y+6) ÷ 8/(2Y-6) = 2.(4X-Y)/(X+Y) * (X^2-Y^2)/(16X^2-Y^2) ÷ (2X-2Y)/(16X+4Y) = 3.(X^2-25)/(2X+12) * (X^2+8X+12)/(4X-20) ÷ (X^2+7X+10)/8X =

    asked by Anonymous
  121. economics

    what is the shift in the demand or supply curve for: The development of the sugar beet as a major source of sugar has lowered land rents on islands producing sugar cane

    asked by Anonymous
  122. Business

    I have tried to understand this in my book,but I do not. What methods can be used to identify data management issues?

    asked by unsure
  123. French

    Could you check these thanks Part 1 Directions: Vrai or Faux? 1. --------- Les passagers récupèrent leurs bagages avant d'embarquer. Answer: vrai 2. -------- Les passagers récupèrent leurs bagages après avoir débarqué. Answer: faux 3. -------- On

    asked by Lisa
  124. geometry

    i need an easier way to explain what angle side angles are and side angle side are? it's just so confusing :[

    asked by Jenny
  125. chemistry

    If 100 mL of a 3 M solution of sodium hydroxide is diluted to a total volume of 600 mL with distilled water, what will the final concentration of sodium hydroxide be?

    asked by Brittany
  126. spanish

    Choose the correct command form. No __________ uds.esos zapatos sucios en la casa! (llevar) A. llevan B. lleven C. lleve D. lleva

    asked by bob
  127. arithmetic

    how do i evaluate this limit: lim x tends to 5 x-3-2x^2/1+3x

    asked by Ren
  128. algebra

    Use sets to verify that 8>6

    asked by Anonymous
  129. geometry

    What is the relationship between the volume of a prism and a pyramid with congruent base areas and heights?

    asked by Corey
  130. math

    reggig has a shelf that is 17 inches long.he has a set of books and each is 2 and1/2 inches thick how many books can be placed on the shelf?

    asked by sunny
  131. math

    In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score

    asked by bart
  132. Science

    I am reading a book called Angels and Demons by Dan Brown and in the book they talk a lot about antimatter. Does this exist or is it just fictional? If it does exist, is it really a weapon of mass destruction? They say in the book only 1 gram of antimatter

    asked by Logan
  133. MATH

    5n-(3n+4)=6

    asked by pavleen
  134. Math

    which fraction is the greatest 1/2 2/6 3/4 3/8

    asked by Nate
  135. chemistry

    hund's rule tells us that element 116 will have what paired electrons?

    asked by barbara
  136. Science

    What tool/instrument is used to measure liquid volume?

    asked by pavleen
  137. Science

    What are everyday things that have salt and sugar soultions??????? plzzzzzzzzzzzzzz!!!!! help!!!!! urgent!!!!!

    asked by Alisha
  138. Travel and tourism

    I am not sure if the number of travelling tourists might increase or decrease because of language differences. Next, I have to explain why it would have this affect.

    asked by AL 87
  139. Pre-Cal

    I do not know how to find the angle of the function sec 4x = 2 on the unit cirlce. I know I would be looking for 2 but I don't know where since it is sec.

    asked by Hannah
  140. Chemistry

    if you have 100 mg of CaCl2, how many moles of Cl do you have

    asked by David
  141. Pre-Cal (Please help)

    Find all the soultions of the equation in the interval (0,2pi) sin 2x = -sqrt3 /2 sin -sqrt3 /2 is 4pi/3 and 5pi/3 in the unit circle 2x= 4pi/3 + 2npi 2x=5pi/3 + 2npi I do not know what to do at this point

    asked by Hannah
  142. social studies

    Define democracy and address the following in 200 to 300 words: What does American democracy mean to you as an individual? What are some of the criticisms of this style of government?

    asked by kimberly
  143. english

    making subjects and verbs agree using collective nouns. 1. The Advertising Council of Springfeild(is / are) sponsoring a student poster contest with cash prizes.

    asked by cynamon
  144. MATH

    2x-1 = x-1 ___ ___ 5 3

    asked by pavleen
  145. math grd 10

    station carries 15000 bus riders per day for a fare of 1.90. the city wishes to increase ridership in an effort to reduce car polltuion, while at the same time maximizing the transit revenues. tehe city conducted a survey and the results indicated that

    asked by just wondering
  146. Social Studies

    What is mercantalism? Is it like free trade? What were the corn laws? Please help me.

    asked by John
  147. Chem1LB

    When 0.917 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 3.76C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked by Alex Le
  148. spanish

    what does this say in english: Que usa la abuela?

    asked by brooke
  149. Math

    I need to simplify: [14 divided by (-2)] divided by (-1/3). How do I go about doing this? Thanks.

    asked by B.B.
  150. Chemistry

    What is the normality of 10 ml of an acid that took 25 ml of 0.25 N NaOH to reach pH 7?

    asked by David
  151. Vocabulary

    I need to come up with an short story using the following words: 1. August (adj) majestic; eminent 2. Thwarted (v) to prevent 3. Pallid (adj) pale, lacking color 4. Tableau (noun) [ta-bloh, tab-loh] a picturesque grouping of persons or objects; a striking

    asked by Anonymous
  152. math

    on friday catlin ran 1 and 1/5 miles on sunday she ran 1 and2/5 miles.On the same two days her friend lee ran a total of 3 miles.How much father than catlin did lee ran?

    asked by sunny
  153. pre-calc

    Find a vector perpendicular to the plane containing the given points. (0,-2,2), (1,2,-3), and (4,0,-1) My teacher was unable to finish the lesson, but I'd like to know how to solve this problem.

    asked by James
  154. Precalculus

    Homework help quick given f(x)= (X+1)/(x) and g(x)= x squared +1 find (g X f)(-9) the options are 145/21 83/82 145/64 17/9 this is a homework question and it is due tommorow can u also explain or show how you arrived at that answer Thanks in advance by X i

    asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  155. Geography

    #50. What were the factors that played a significant role in the collapse of Russian control over Eastern Europe? I'm still working on it. Any help would be appreciated

    asked by y912f
  156. Geography

    ase help me on these questions: 3. The soil of much of the steppe region of Northern Eurasia is a. very fertile and productive. b. lacking in minerals and unproductive c. too cold to produce much food d. heavily fertilized with chemicals to make it

    asked by y912f
  157. MATH

    6(2y-3)=18

    asked by pavleen
  158. Social Studies

    Why do you think people in one culture someimes do not understand people in anoher?

    asked by Samantha
  159. Socials Studies

    What is a negative thing having a huge country (land territory)? It would make it harder to defend due to large area and little defence. Is my answer correct? Are there any other negatives? Thank you for your input.

    asked by Ken
  160. Biology

    Find a recent (from 2009 June onwards) and interesting article from the mass media with a theme that is related to topics learnt in Cell Biology. So far I've learnt Membrane Structure & function,Organelles and their structure & function, as well as their

    asked by alex
  161. Psychology

    What will you take from the material on "Group Conflict" that you will apply in your own life? How will you apply it? What are you already using/doing now that is effective? Give an example.

    asked by lola
  162. math

    Let x be the number of miles driven on 60 gallons of gas. By setting up and solving a proportion involving x, find the value of x for the car that you have chosen. Show both the set up of the proportion and the steps to solve. Include units with your

    asked by michelle king
  163. Precalculus

    Homework help quick given f(x)= (X+1)/(x) and g(x)= x squared +1 find (g f)(-9) the options are 145/21 83/82 145/64 17/9 this is a homework question and it is due tommorow can u also explain or sow how you arrived at that answer Thanks in advance

    asked by Ariel
  164. physical chemistry PLEASE HELP!!!

    how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i don't know how im supposed to calculate it from this data

    asked by lucy
  165. algebra

    Yesterday your store earned $797.30just from the sale of cookies. Write and solve an equation that represents how many cookies were sold.

    asked by shelly
  166. sociology

    I have to give an example of social change on a meso-level and macro-level. Would the election of a bi-racial president be a valid example on the meso-level or macro?

    asked by george
  167. Math

    Can someone show me how to do this problem? Find an equivalent expression without parentheses. -(10m+80n-32)= I'm not sure what to do. Thanks for the help.

    asked by B.B.
  168. business

    operational components of planning, sourcing, making, and delivering

    asked by bobbie
  169. Calculus

    If Y(s)=(1/16s^2)-(1/5s) Find Y'(s).

    asked by pete
  170. chemistry

    In a reaction, 25.0 grams of magnesium are added to a beaker containing 75.0 mL of 2.00 M nitric acid, HNO3. Which reactant is limiting? Which is in excess?

    asked by michelle
  171. Math

    Use point-plotting to sketch the graph of each equation. How do you do these? y=-x+2 x-y=-3 y=2x

    asked by Courtney
  172. Psychology

    Can you elaborate on the five broad domains or dimensions of personality which have been scientifically discovered to define human personality?

    asked by lola
  173. math214

    I need help I have not done math work over 15 years In the figure, L is parallel to m, and m(

    asked by alicia
  174. MATH

    BOB THREW 8 OF THE FISH HE CAUGHT BACK IN THE WATER. HE DIVIDE THE REST EQUALLY AMONG 4 PEOPLE. EACH PERSON GOT 4 FISH, HOW MANY FISH DID BOB CATCH?

    asked by 3rd
  175. MATH

    solve and graph: 3a-8

    asked by pavleen
  176. gyro

    a gyro always points to a certain direction, but how is it made to point only towards north?

    asked by mp
  177. calculus

    lim sinx as x approaches pie/r

    asked by ashley
  178. Math

    Is 2x+3/y=-1 Linear? Is 2x-8y=0 Linear? What are A, B, and C

    asked by Heather
  179. Pre-Cal

    what are the angles on the unit circle for the function tan x = -1?

    asked by Hannah
  180. pre calc need help

    A square is drawn inside a square. Find the area of the square as a function of the radius of the circle

    asked by kate
  181. physics

    why fans are placed at certain height below celing?

    asked by karthika
  182. *Science*

    Are meteroties large lumps of trapped rock/metal which actually reach the earth's surface?

    asked by Sara
  183. susbstitution method

    y=6-x, y=x+2

    asked by kelli
  184. algebra

    y-2x=8, 2y+x=1

    asked by kenzi
  185. Math

    1.(Y+2)/(Y^2-9) * (4Y+12)/(3Y+6) ÷ 8/(2Y-6) = 2.(4X-Y)/(X+Y) * (X^2-Y^2)/(16X^2-Y^2) ÷ (2X-2Y)/(16X+4Y) = 3.(X^2-25)/(2X+12) * (X^2+8X+12)/(4X-20) ÷ (X^2+7X+10)/8X =

    asked by Leslie
  186. Precalculus

    Homework help quick given f(x)= (X+1)/(x) and g(x)= x squared +1 find (g f)(-9) the options are 145/21 83/82 145/64 17/9 this is a homework question and it is due tommorow can u also explain or sow how you arrived at that answer Thanks in advance

    asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  187. science

    should humans strive to perserve Biomes or, Aquatic zoens?.

    asked by cindy
  188. math

    in a survey of 45 people,25 liked calypso and 37 reggae .some person liked both calypso and reggae calculate both reggae and calypso reggae only calypso only draw a venn diagram to show the information

    asked by oraine
  189. math

    in a survey of 45 people,25 liked calypso and 37 reggae .some person liked both calypso and reggae calculate both reggae and calypso reggae only calypso only draw a venn diagram to show the information

    asked by oraine
  190. financial

    a company has determined that its opitmal capital structure consists of 40 percent debt and 60 percent equity. given the following information, calculate the firms weigted average cost of capital rd=6% tax rate=40% p0=$25 growth=0% do=$2.00

    asked by Anonymous
  191. spanish

    are these the correct verb tense and conjugations? i have to use either preterite or imperfect. 1. they were looking - buscaban 2. they talked - hablaban 3. they thought - piensaron 4. they liked - gustaron 5. they needed - necesitaron 6. they asked -

    asked by tdb
  192. physical chemistry

    how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i don't know how im supposed to calculate it from this data

    asked by lucy
  193. math

    determine whether (-5,3) is a solution of 8x+3y=-1

    asked by Katelynn Renee
  194. business

    Write a 200- to 300-word description of a business scenario, either real or fictional, that depicts each of the following forms of business organization: • Joint-stock company • Limited liability company • Partnership • Sole proprietorship

    asked by Anonymous
  195. MATH

    15a-34=41

    asked by pavleen
  196. Winter Olympics

    List of songs sung at wo 2010 opening ceremony. Sites would be appreciated, I tried to search but couldn't find much.

    asked by Sara
  197. computers

    Databases are everywhere, both seen and unseen. What are some of the databases you interact with? Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?

    asked by Lourdes
  198. US History

    What were some of the negative aspects of the new market economy after the Bank War? I'm completly lost!

    asked by Lola
  199. writing skills part 1

    i need help on these questions

    asked by kay
  200. calculus

    f(x) |x|+1 xor equal to 1 evaluate f(1) choices a) 0 b) 2 c) 3 d) -1 e) 1 I answered b) 2, got it wrong

    asked by ashley
  201. Psychology

    What will you take from this material on leadership and management and apply in your own life? How?

    asked by lola
  202. crt 205

    can you help me to identify any rhetorical devises and its function in this sentence "I trust you have seen Janet's file and noticed the "university" she graduated from

    asked by dee
  203. college

    Let x be the number of miles driven on 60 gallons of gas. By setting up and solving a proportion involving x, find the value of x for the car that you have chosen. Show both the set up of the proportion and the steps to solve. Include units with your

    asked by michelle king
  204. calculus

    lim (-x+10)/(x©÷-100) x¡æ10 is this correct? 1/20

    asked by ashley
  205. Algebra

    1.(Y+2)/(Y^2-9) * (4Y+12)/(3Y+6) ÷ 8/(2Y-6) = 2.(4X-Y)/(X+Y) * (X^2-Y^2)/(16X^2-Y^2) ÷ (2X-2Y)/(16X+4Y) = 3.(X^2-25)/(2X+12) * (X^2+8X+12)/(4X-20) ÷ (X^2+7X+10)/8X =

    asked by Leslie
  206. anonymous

    why am is my question getting ignored?

    asked by Purple
  207. 7th Grade Literacy

    What are 3 IMPORTANT characteristics that a class president needs? Please answer!!

    asked by Elizabeth
  208. physics

    Q>At a speed of 60km/h U r driving a car in N direction suddenly u take a turn towards E direction at 73km/h. What is height of driver? Wats d ans?

    asked by Tejas
  209. Geography

    Please help me on these questions: 3. The soil of much of the steppe region of Northern Eurasia is a. very fertile and productive. b. lacking in minerals and unproductive c. too cold to produce much food d. heavily fertilized with chemicals to make it

    asked by y912f
  210. math

    y+2x=3, y+2x=-4

    asked by Ethan
  211. English

    I forgot to include the following statements: Thank you very much in advance. 1) Yesterday I read the following news in the newspaper. 2) On Sunday morning a young man, who was drunk (?) and had spent his Saturday night in a disco, drove his car at top

    asked by Franco
  212. Pre-Cal

    I do not know how to find the angle of the function sec 4x = 2 on the unit cirlce. I know I would be looking for 2 but I don't know where since it is sec.

    asked by Hannah
  213. Math

    3^3+58x(40)-(13+9x8)=2262 Is this right? Thanks.

    asked by B.B.
  214. algebra

    y=7-x, 2x-y=8

    asked by KAri
  215. Statistics

    7 cards drawn from a deck without replacement what is probabilty one is a spade

    asked by C.O.
  216. algebra

    4(w-2) less than or equal to 10?

    asked by Anonymous
  217. math

    10x + 5 (x + 4)= 230 x=_____

    asked by pavleen
  218. Science

    Explaining how ear defenders work using the big idea of energy transfer?

    asked by Ellie
  219. hospitality

    give 2 legal obilgations of manufacurers and employers with regards to cleaning agents

    asked by Gemma
  220. MATH

    2x-1=3 ______ 5

    asked by pavleen
  221. Social Studies

    Why is no culture exactly like any other culture?

    asked by Samantha
  222. MATH

    Solve and graph 4n+1>17

    asked by pavleen
  223. science

    what does density mean

    asked by pavleen
  224. science

    what does mass mean

    asked by pavleen
  225. health

    what is the greatest nutrition problem in the world

    asked by Anonymous
  226. Psychology

    What in the material on "Groups" did you find useful? How will you apply it in your life?

    asked by lola
  227. phi105

    what ideas make them different from the way Eurpeans uniquely American movements? I really am stuck on this I need help please.

    asked by trudy
  228. Maths (limits)

    how do i evaluated these limits: lim x --> 3 ((square root of x^2 +16)- 5)/(x^2 - 3x) lim x--> to infinity (2+ 100/x)

    asked by Ren
  229. math

    what are three equivalent fractions for 1/8, 7/10, and 11/12

    asked by victoria
  230. math214

    Please help me with this I do not understand this at all Find each of the following: 113°57 + 18°14, 84°139- 27°45, 113°57 + 18.4°, 0.75° in degrees, minutes, and seconds

    asked by alicia
  231. math

    adria bought 2pounds of jelly bean she gave 2/3 of a pound to her cousin and 2/3 to her cousin .how many pounds of bean does adria have left?

    asked by sunny
  232. accounting

    what are all accounting formulas bcause i am having a hard time in mangerial

    asked by jmijnfnkn
  233. Science Biology

    How would i go about doing a dichotomous tree for beetles and how would i use it to do a dichotomous key for the beetles ? PLEASE HELP

    asked by Shy
  234. Pre-Calc

    f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14

    asked by Channing
  235. Math

    Todd's wieght went from 220 lbs to 190 lbs and Cassidy's wighte went from 150 lbs t?o 135 lbs. Who had the greater percentage of weight loss

    asked by Andrea
  236. math

    using 1,2,3,4 only one time and must equal 29

    asked by Nick
  237. MATH

    M + 6 = 4XM M=? ON A COORDINATE GRIDE, WHAT IS THE DISTANCE FROM A(4,9) TO B (4,3)

    asked by NICK
  238. CHEM

    how can you tell if a molecule is polar or non-polar? plz help!

    asked by Anonymous
  239. math

    Is 5/9 less then 1/2? Thank you!

    asked by st
  240. math

    Please help is 7/12 less than 1/2. Thank you!

    asked by st
  241. math

    Please help is 7/8 less than 1/2? Thank you!

    asked by st
  242. math

    Please help is 24/50 less then 1/2? thank you

    asked by st
  243. math

    nadia wants to use ribbon for a frame she needs 2 piece that are 3 and 5/8inches long and 2 pieces that are 5 and 3/8 inches long how many inches of ribbon does she need?

    asked by sunny
  244. English

    Whats a good topic for an Example essay?

    asked by layla
  245. ethics

    what are the pros and cons of the elderly in nursing homes having the right to autonomy?

    asked by Anonymous
  246. math worksheets

    why do elphants lift weight?

    asked by johannah
  247. MATH

    8x +5x-9=30

    asked by pavleen
  248. Science

    what does volume mean

    asked by pavleen
  249. Scientic notation

    7,000,000,000

    asked by pavleen