Questions Asked on
April 26, 2011

  1. chemistry

    what is the meaning of the numeral represented by X in the general formula for hydrate salt * XH2O

    asked by Ivy
  2. Algebra

    In chemistry, n molecules of an ideal gas have pressure (P), volume (V), and temperature (T) that stand in the following relation, where R is a constant. PV = nRT If you solve for n what would be a good equation? I came up with n=PV/RT Some other choices

    asked by mary
  3. Chemistry

    Barium sulfate forms as a precipitate in the following reaction: Ba(NO3)2 (aq) + Na2SO4 (aq) -> BaSO4 (s) + 2NaNo3 (aq) When 35.0g of Ba(nO3)s is reacted with excess Na2SO4, 29.8g of BaSO4 is recovered by the chemist. a) Calculate the theoretical yield of

    asked by Anonymous
  4. physics

    Wayne pulls a 305 N sled along a snowy path using a rope that makes a 45.0° angle with the ground. Wayne pulls with a force of 42.3 N. The sled moves 16 m in 3.0 s. What power does Wayne produce?

    asked by Merlin
  5. Speech

    After analyzing a problem, what is the next step in the problem-solving process? a. Develop creative solutions. b. Identify possible solutions. c. Select a solution. d. Implement a solution. I think it might be B

    asked by Courtney
  6. food economics

    what are the 3 other names by which animal proteins are called?

    asked by Danielle
  7. algebra

    how long is the diagonal of a 12mm-by-16mm face of a rectangular prism?

    asked by Anonymous
  8. Math

    Three times as many children as adults attend a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The theater collected a total of $6,000. How many people bought tickets?

    asked by Carolina
  9. Literature (Vocabulary)

    When the _1_ citizens of Reynoldsville finally realized that their forty-cent bottles of miracle sap contained nothing more than licorice extract and whiskey, they formed a lynch mob and searched for the _2_ who had sold the fake elixir. Fortunately,

    asked by Sally
  10. physical science

    A painter uses a fixed pulley to raise a 1-k can of paint a distance of 10 m,what is the ima??

    asked by Liam
  11. physical science

    A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw, what is the ima?

    asked by Liam
  12. pre calc

    Lighthouse B is 8 miles west of lighthouse A. A boat leaves A and sails 5 miles. At this time, it is sighted from B. If the bearing of the boat from B is N63E, how far from B is the boat? The boat is either ___ miles or ____ miles from lighthouse B, to the

    asked by lauri
  13. trig identities

    cos94 degrees cos18 degrees+ sin94 degrees sin18 degrees. write the expression as the sine, cosine, or tangent of an angle.

    asked by caitlyn
  14. writing

    1. In the following sentence, identify the part of speech of the italicized word. Large fish swim swiftly in the sea. A. Verb B. Noun C. Adjective D. Adverb 2. In the following sentence, identify the part of speech of the italicized word. Large fish swim

    asked by Anonymous
  15. Chemistry

    Calculate the sodium ion concentration when 70 ml of 3.M sodium carbonate is added to 30 ml of 1.M sodium bicarbonate.

    asked by jess
  16. English

    Describe the confrontation between Ralph and Jack in Chapter 6 of Lord of the Flies.

    asked by Jasmine
  17. physical science

    A mover uses a ramp to push a stereo into the moving van. The ramp is 3 meters long and 1.5 meters high. What is the ima of this ramp?

    asked by Liam
  18. chemistry

    The reaction of MnO4- with oxalic acid (H2C2O4) in aciic solutiob, yielding Mn2+ and CO2 gas, is widely used to determine the concentration of permanganate solutions. (a) write a balanced equation for the reaction would it be MnO4- + H2C2O4 --> Mn2C2O4 +

    asked by lili
  19. Algebra

    Pauline sells computers on commission. She spends 2 hours on selling a laptop and 1 hour on selling a desktop computer. She works no more than 40 hours per week and routinely sells at least 1 laptop and at least 4 desktops each week. To maximize her

    asked by Jacob
  20. home economics

    STATE AND EXPLAIN THE BRANCHES OF HOME ECONOMICS.

    asked by justina
  21. physics

    A uniform stick 1.5 m long with a total mass of 210 g is pivoted at its center. A 3.9-{\rm g} bullet is shot through the stick midway between the pivot and one end The bullet approaches at 250 {\rm{ m}}/{\rm{s}} and leaves at 140 {\rm{ m}}/{\rm{s}}. With

    asked by Anonymous
  22. algebra

    A sound power level reading of 127 dB was taken near a construction site where chippers were being used. When all but one of the chippers stopped working, the sound power level reading was 120 dB. Estimate the number of chippers in operation when the

    asked by Massiel
  23. Probability

    Factories A and B produce computers. Factory A produces 2 times as many computers as factory B. The probability that an item produced by factory A is defective is 0.012 and the probability that an item produced by factory B is defective is 0.04. A computer

    asked by Julie
  24. chemistry

    If the average quarter weighs 5.67grams, how many atoms of nickel are in a quarter? ie; 91.67%mass/copper 8.33%mass/nickel I took 5.67x0.0833=.47g .47gNi/58.6934=801 atoms nickel? is this right?

    asked by chemdumby
  25. science

    If the temperature at sea level were 23C,what would the air temperature be at a height of 2 kilometers under average conditions?

    asked by Jessica
  26. Math

    From a 10-inch-by-19-inch piece of cardboard, 3-inch-square corners are cut out, as shown in the figure above, and the resulting flaps are folded up to form an open box. Find the surface area and volume of the open box

    asked by Tory
  27. Algebra

    An airplane flies 2368 miles round trip in 7 hours. The speed of the wind is 20 mph. Determine the airplanes speed in still air.

    asked by Kim
  28. Applied Business Research and Statistics

    Exercise Questions Chapters 13, 14, and 17 James A Hardeman Exercise 13-40 A suburban hotel derives its gross income from its hotel and restaurant operations. The owners are interested in the relationship between the number of rooms occupied on a nightly

    asked by James
  29. Algebra 2

    If a 20 in. by 30 in. picture has a wooden frame "x" in. wide surrounding it, which equation can be used to find the total area of the picture and frame?

    asked by Andrea
  30. Chemistry

    How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?

    asked by Emma
  31. organic chem

    (b) One of your illustrious colleagues continues his/her education and finally obtains employment with a renowned pharmaceutical company as an organic chemist. He or she is asked to synthesize pantothenic acid because the company wants to use it to prepare

    asked by adam
  32. Chemistry

    1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of reacted antacid and excess

    asked by David
  33. math

    draw 2 rays that are not parallel to each other and never intersect.explain.

    asked by esha
  34. Science (Asap)

    Imagine you made a gallon pitcher of lemonade for your family picnic.You poured the lemonade into 12 paper cup until there wasn't a drop left.Is the volume of the lemonade in the pitcher and the lemonade in the 12 paper cups put together the same or

    asked by Frances
  35. physical science

    how much power is used when a weightlifter lifts a 1250-n barbell 2 meters in 3 seconds.

    asked by Liam
  36. Chemistry

    I need to know the most polar bond in each molecule. HSCH2CH2OH / HC12F / HOCH2CH2NH2

    asked by Chris
  37. Algebra

    The formula for converting Celsius temperatures to Fahrenheit temperatures is F= 9/5C + 32 where F is the temperature in degrees Fahrenheit and C is the temperature in degrees Celsius. Which formula could be used to convert Fahrenheit temperatures to

    asked by mary
  38. physics

    the most common reasons for rear - end collisions are too short a following distance, speeding and failing brakes. car A of mass 1000 kg, stationary at a traffic light, is hit from behind by car B of mass 1200kg, travelling at 18m.s. immediately after the

    asked by anonymous
  39. Instructional Materials: their preparation and use

    Please help! If you want to project a microscope slide onto a screen, which machine would you use? A opaque projector B copy machine C bioscope D slide projector I think the answer is D I'm I right.

    asked by Rosie
  40. teacher aide

    I need help! What information is included in the instructional guide that accompanies most audiovisual materials? A How to operate the projection equipment to show the materials B How to duplicate the audiovisual materials C A summary of description of the

    asked by Rosie
  41. Chemistry

    1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of reacted antacid and excess

    asked by Marie
  42. Ochem

    Diethyl ether is used as a solvent for the reaction of diethylamine with m-toluoyl chloride. Why is a solvent necessary for this reaction?

    asked by anon
  43. organic chem

    (b) One of your illustrious colleagues continues his/her education and finally obtains employment with a renowned pharmaceutical company as an organic chemist. He or she is asked to synthesize pantothenic acid because the company wants to use it to prepare

    asked by adam
  44. Chemistry

    1How would each of the following affect the accuracy of the calculated neutralizing power of antaid (too high, too low, no effect) explain a)The actacid tablet was not cut exactly in half before weighing b)The solution mixture of reacted antacid and excess

    asked by Carl
  45. Distance

    If you were in a spaceship flying directly toward the Moon, which of the following would change as you got closer and closer to it?

    asked by Anonymous
  46. MATH

    GRAPH THESE EQUATIONS TO FIND THE PAIR OF X AND Y VALUES THAT IS A SOLUTION TO BOTH EUATIONS Y=X-1 Y=-X+3

    asked by SHANNA
  47. Teacher aide

    I'm having trouble with this question. Why would you mount an overhead transparency in a cardboard frame? A to make copies of it B to color it C to add overlays D to project it onto a screen Can someone please help me.

    asked by Bree
  48. science

    A solution of HNO3 has a pH of 4.5, What is the molarity of HNo3?

    asked by Ray
  49. College Algebra

    A coin jar contains nickels, dimes and quarters. There are 46 coins in all. There are 11 more nickels than quarters. The value of the dimes is $1.00 less than the value of the quarters. How many coins of each type are in the jar?

    asked by Nancy
  50. Chemistry

    # Electron Pairs # Lone Pairs Electronic Geometry Molecular Geometry Lewis Structure Sketch of Shape I need to do the above things for SBr6 and BrCl5. If anybody can help that would be great!

    asked by Jake
  51. Math

    Eleven members of the team gave each other "high fives". If each player gave each teammate a high five, how many high fives would be given altogether?

    asked by Rusty
  52. Finance

    Temple Corp. is considering a new project \vhose data are shown below. 'rhe equipment that would be used has a 3-year tax life, would be depreciated by the straight-line method over its 3-year life, and would have a zero salvage value. No new working

    asked by Anonymous
  53. The America Vision History, Glencoe Edition

    I WAS WONDERING IF SOMEONE CAN TELL ME WHERE I CAN READ AND OR REVIEW A HICHSCHOOL STUDENTS HISTORY BOOK, THE FULL TEXTBOOK ONLINE FOR FREE. THE BOOK THAT I AM TRYING TO FIND TO READ ONLINE IS: The American Vision History Book, Glencoe Edition is what it

    asked by JULIANNA
  54. Chemistry

    How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?

    asked by Emma
  55. human life

    What are the human and environmental factors that cause ill-health,sickness,trauma,accidents,crises and disasters in South Africa

    asked by Anonymous
  56. math (pre calc)

    4cot^2x-4/tanx+cosxsecx write expression in factored form as an algebraic expression of a singletrig function

    asked by josh
  57. Math

    Using the arrangement of letters in the margin, compute the number of paths that spell the word MATHEMATICS if all paths must start at the top and move diagonally down through the letters. M A A T T T H H H H E E E M M M M A A A T T I I I C C S I only got

    asked by Jay
  58. Chemistry

    Calculate the amount of sodium acetate trihydrate needed to prepare 100 mL of 0.2M sodium acetate solution.

    asked by Georgia
  59. math

    4cot^2x-4/tanx+cosxsecx factorin algenraic single trig function

    asked by josh
  60. Physics 203

    A satellite with a mass of 310 kg moves in a circular orbit 7.00*10^7 m above the Earth's surface. (a) What is the gravitational force on the satellite? (b) What is the speed of the satellite? (c) What is the period of the satellite?

    asked by Kayla
  61. Physics 203

    An object is projected upward from the surface of the Earth with an initial speed of 4.6 km/s. Find the maximum height it reaches.

    asked by Kayla
  62. calculus

    The function f is twice differentiable, and the graph of f has no points of inflection. If f(6)+3, f'(6)=-1/2, and f"(6)=-2, which of th following could be the value of f(7). A.)2 B.)2.5 C.)2.9 D.)3 E.)4 the answer is A. but what are the steps to reach

    asked by Confused
  63. Chemistry

    How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?

    asked by Emma
  64. 10th grade chemistry

    How many grams of CuSO4.5H2O are needed to prepare 100. mL of a 0.to M

    asked by Angelica Martinez
  65. trig

    The lengths of 2 adjacent sides of a parallelogram are 42 cm and 36cm. an angle of the parallelogram is 4o degrees. Find the measure of the longest diagonal to the nearest tenth of a centimeter.

    asked by ashley --
  66. Grade 11 Math

    A rectangular dog run is to be enclosed by a fence and then divided into two smaller rectangular areas by a fence parallel to one of the sides. If 54m of fence is available, find the dimensions of the dog run of greatest possible area. State the total area

    asked by Stacy
  67. Physics

    A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 13m/s when the hand is 2.3m above the ground, how long does it stay in the air?

    asked by Mike
  68. Maths

    The first year after 1999 which is the product of three consecutive integers is: 2004 2040 2046 2052 2184 Please show working out and choose either one of these years

    asked by Babiinoob
  69. Business Math

    Ron Prentice bought goods from Shelly Katz. On May 20, Shelly gave Ron a time extension on his bill by accepting a $5,000, 7.00%, 150-day note. On August 26, Shelly discounted the note at Roseville Bank at 8.00%. What proceeds does Shelly Katz receive?

    asked by Nina
  70. Statistics

    A survey claims that 9 out of 10 doctors recommend Aspirin for their patients who have children. To test this claim against an alternative that the actual proportion of doctors who would do this is less than the claimed, a random sample of 100 doctors was

    asked by lauren
  71. physical science

    Trying to find the power to this ?. A weightlifter lifts a 1250-n barbell 2meters in 3seconds. How much power was used to lift the barbell? Do you have to find the work first??

    asked by Liam
  72. Math

    Construct a stem and leaf plot with the following data landmarks there should be at least 12 data entries in your plot median: 57 minimum: 42 maximum: 78 mode: 60

    asked by Bell
  73. Teacher

    I just want to make sure I have this question correct. If you want to check out free audiovisual materials, where would you go? A video store B art supply store C teacher supply store D county instructional materials center I think D, can someone tell me

    asked by Bree
  74. Physics

    Some Carnot engine has an efficiency 0.700. The hot reservoir temperature is 900K. This means that the temperature of the cold reservoir is 270K. If the cold reservoir is dropped to 260K, the new efficiency is 0.701. If the output of the power is kept

    asked by Daniel
  75. calculus

    The sides and diagonal of the rectangle above are strictly increasing with time. At the instant when x=4 and y=3, dx/dt=dz/dt and dy/dt=k(dz/dt). What is the value of k at that instant. solved for z with pythagorean theorem and stuck at that step. z=5

    asked by Confused
  76. Maths

    Prove sqrt(Sec^2 A+Cosec^2 A)=TanA+CotA

    asked by Vijaya
  77. organic chem

    Suggest a synthesis for olivetol from benzene and any necessary organic and/or inorganic reagents.

    asked by lauder
  78. Orgo

    1. Calculate the number of moles of cyclohexanol used in the following reaction: 10.5 mL of cyclohexanol and 9mL of H2SO4 react to form cyclohexene

    asked by Nicole
  79. Teacher aide

    Which of the following equipment would you use to show a filmstrip to an entire class? A filmstrip viewer B filmstrip projector C videocassette recorder D movie projector Just want to know if I have it right. Is it B

    asked by Karrie
  80. physical Science

    Explain why a ceramic bowl will keep oatmeal hot longer than a stainless steel bowl?

    asked by Tyler
  81. chem

    make 300.0 mL of a pH 5.30 buffer from 0.500 M acetic acid and 0.500 M sodium acetate. Calculate the volume of 0.500 M acetic acid and the volume of 0.500 M sodium acetate required to make 300.0 mL of a buffer solution with pH = 5.30. (The Ka for acetic

    asked by mie
  82. chem

    an average airbag contains 132 g of NaN3. How many liters of nitrogen would produce on a warm day at 85 degrees F and a pressure of 1atm?

    asked by tracy
  83. history

    How much changed in the norman conquest

    asked by vickky
  84. Chemistry

    Please help. Calculate the pH at the following points during the titration of 100.0 mL of 0.20 M acetic acid (Ka for acetic acid = 1.8 x 10-5) with 0.10M sodium hydroxide 1. before addition of any base 2. after addition of 30.0mL of base 3. after addition

    asked by Kendall
  85. Business Math 2

    Megan Green is interested in taking out a personal loan for $1,550. However, last year an identity theft scam left her with poor credit. Since then she has learned about the perils of identity theft from personal experience as well as from a variety of

    asked by Nina
  86. science

    improper functining or regulation of which of the following might lead to poor regulation of membrane permeability? 1.albumin 2.fibrinogen 3.platelets 4.lymphocytes 5.chloride ion levels

    asked by Anonymous
  87. Anatomy

    A number of antibiotics act by binding to certain essential enzymes in the target bacteria. How might these antibiotics influence the chemical reaction controlled by the enzyme? What might be the effect on the bacteria? On the person taking the antibiotic

    asked by Chantelle
  88. physical chemistry

    find the ph of the solution that results from the addition of 25ml of 0.1mol/l NaOH solution to 50ml of 0.1mol/l HCL solution?

    asked by noel
  89. Geometry

    The ratio of the volume of cube A to the volume of cube B is 64 to 27. Use this information to determine the ratio of the length of a side of Cube A to the length of a side of cube B.

    asked by Nicole G.
  90. Trig

    a clock has a diameter of 1 foot what is the angular size if viewed from a distance of 27 feet

    asked by Michael
  91. teacher

    Which machine would you use to protct a graphic display? A spiral binder b pantograph C laminator D dry-mount press I would say C, but I also like d too. Can someone help me.

    asked by Billy
  92. MATH

    TWO NUMBER CUBES AREROLLED AT THE SAME TIME . WHAT IS THE PROBABILITY THTA BOTH NUMBER CUBES WILL SHOW AN EVEN NUMBER

    asked by SHANNA
  93. Algebra

    Use Gauss-Jordan to solve 3x + 2y = -4 4x – 2y = -10

    asked by bob
  94. Statistics

    Suppose the mean income of 35-year-olds in the U.S. is $25,000. A random sample of 150 35-year-olds in California results in a sample mean income of $26,600 and a sample standard deviation of $3800. At the 5% significance level, can we conclude that the

    asked by Erinn
  95. math

    Samantha type 4,200 words in 2 hours. Determines how many words per minute ?

    asked by Dejanai
  96. physics ( help FAST)

    Which could potentially cause you the greater injury: being tackled by a lightweight, fast moving rugby league player or being tackled by a player with double the mass but moving at half the speed? Explain your answer

    asked by H.T
  97. Algebra

    An object which is dropped from 100 feet above ground falls according to the formula s = -16t^2 + 100, where s is the distance from ground level at time t. Which equation is equivalent to this formula? S-100 = t^2 ------- -16 S-100 = t^2 ------ 16 s - 100

    asked by mary
  98. history

    How much changed in the norman conquest

    asked by vickky
  99. child care

    The first disorder unique to children and adolescents was? a.!@#$%^&ory insanity b.mental retardation c.moral insanity d.depression i thought b but i wasn't sure please help

    asked by Alisha
  100. Algebra

    The sum of two numbers is 68 and the difference is 10. What are the numbers?

    asked by Kendra
  101. Math

    Could someone answer this so I understand it. Thanks The projected rate of increase in enrollment at a new college is estemated by dE/dt = 9000(t+1)^-3/2 where E(t) is the projected enrollment in t years. If the enrollment is 5000 now (t=0), find the

    asked by Jules
  102. Sociology

    Can someone help me with my three questions and let me know if I answered them correctly Thanks 1 According to world systems analysis, the U.S., Japan, and Germany are all core nations. I chose (true)=A A) True B) False 2) Which population group represents

    asked by Sharon
  103. Spanish

    15. "¿Qué debemos hacer para ayudar el medio ambiente?" "Creo que ______ protegerlo." a. vale la pena b. tenemos c. vamos d. forma parte Not sure.. 16. Gregorio _____ tocar la guitarra. La toca muy bien. a. sabemos b. sé c. saben d. sabe C or D 18.

    asked by mysterychicken
  104. teacher aide

    Need help! If you're preparing a bulletin board, how many ideas should you try to get across at one time? A One B Two C Four D As many as possible I think A one, but I can't seem to find it anywhere. Can someone plz help.

    asked by kristy
  105. algebra

    A rectangle with sides 8 cm and 6 cm and one with sides 10 cm and 9 cm. Find the ratio of the perimeter and the areas of each pair of figures.

    asked by kennedy
  106. Math

    Use the product rule to find the derivative of (2x^2 + 3)(3x + 5).

    asked by Ethan
  107. Math

    Use algebra and the properties of limits as needed to find the limit. If the limit does not exist, say so. (→ − ∞)lim: 9x^2+5x-17 / 5x^3+12x^2+21

    asked by Brian
  108. ah trig help

    use an apropriate sum or difference indentity to prove the double-angle identity cos2u=1-2sin2u

    asked by amber
  109. math

    when adding and subtracting integers does 2 negatives equal a positive? And does 1 positive plus 1 negative number equal a negative?

    asked by cassandra
  110. Math

    An indoor track is shaped like a rectangle with a semi-circle on each end. The distance around the track is 200 yards. Find the maximum area enclosed by the track.

    asked by Tj
  111. geometry

    Which of the following does not always bisect at least one side?

    asked by Schurz high school
  112. Physics

    A 10-kg ladder 2.5m long rests agaist a frictionless wall with its base on the floor 80cm from the wall. How much force does the top of the ladder exert on the wall?

    asked by Steph
  113. physics

    An engine moves a boat through the water at a constant speed of 16 m/s. The engine must exert a force of 7.0 103 N to balance the force that water exerts against the hull. What power does the engine develop? answer:___ kW

    asked by Merlin
  114. Economics

    Explain two ways the Office of Fair Trading can protect the interests of consumers?

    asked by Anique
  115. chemistry

    the normal concentration of sodium chloride in blood is 0.9%(w/v). therefore assuming a FW for NaCl of 58.4 g/mole, an isotonic 0.9% (w/v) saline solution would have how many mili-equivilents per liter (mEq/L) of Na+ ions?

    asked by jackie2
  116. Chem

    How much heat will be produced when 16grams of C2H6 burns? The reaction is 2 C2H6 + 7 O2 --> 4CO2 + 6 H20 triangle heat = -350kJ

    asked by Laura
  117. Math

    What are the following numbers rounded to the nearest thousandth: 0.00673, 63.4982, 4.8919, 5.9198.

    asked by Francis
  118. chemistry

    I- is converted into I2 by the addition of an aqueous solution of KMnO4 to an aqueous solution of KI. What is the oxidation number assigned to I2??

    asked by Kayla
  119. chemistry

    calculate the percent composition of the compound that forms when 222.6 g nitrogen combines completely with 77.4g oxygen.

    asked by mike
  120. stats

    salary study conducted. mean for men = $42,000. Std deviation = $9,000. mean for women = $39,000. Std dev for women = 8,000. If 100 men surveyed, at a CI of 95% what is the the most number of women surveyed if there was no Statistical difference in the

    asked by Julia
  121. trig

    Each child in a family of 3 children is going to get a pet. One wants a dog or cat, another wants a bird or rabbit, and the third wants a frog or snake. List a sample space or draw a tree diagram and determine the number of possible outcomes.

    asked by ashley --
  122. chemistry

    A sound power level reading of 127 dB was taken near a construction site where chippers were being used. When all but one of the chippers stopped working, the sound power level reading was 120 dB. Estimate the number of chippers in operation when the

    asked by Massiel
  123. GEN CHEM

    make 200.0 mL of a pH 5.00 buffer from 0.200 M acetic acid and 0.100 M sodium acetate. Calculate the volume of 0.200 M acetic acid and the volume of 0.100 M sodium acetate required to make 200.0 mL of a buffer solution with pH = 5.00. The Ka for acetic

    asked by GEN CHEM
  124. chem

    make 300.0 mL of a pH 5.30 buffer from 0.500 M acetic acid and 0.500 M sodium acetate. Calculate the volume of 0.500 M acetic acid and the volume of 0.500 M sodium acetate required to make 300.0 mL of a buffer solution with pH = 5.30. (The Ka for acetic

    asked by Journey
  125. physics

    An 850 N sled is pulled a distance of 180 m. The task requires 1.20 104 J of work and is done by pulling on a rope with a force of 125 N. At what angle is the rope held? answer: ____ ° (with the horizontal)

    asked by Merlin
  126. Math (Reiny??)

    Mrs. Reiny ... As in Harris County Mrs. Reiny?

    asked by sa
  127. LIfe orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.Provide relevant sources to support your claims.

    asked by Emanuel
  128. English/Geography HELP PLZ

    Hey! Is Waltzing matilda iconic to australia? Does it negatively or positively reflect australia? I think maybe badly because of the rebellion in it but I need evidence supporting this. so far I know that it was sung in the cronulla riots but that's about

    asked by Harriet
  129. computer science

    to write a report on Object-Oriented Systems. The report should focus on the following systems including definition, applications, and advantages and disadvantages. • Object-oriented Systems • Object-oriented database • Object-oriented data modeling

    asked by pete
  130. physics

    1.using equations What would happen if the knob were placed in the center of the door? What would happen if the knob were placed right next to the hinges?

    asked by maria
  131. Chemistry

    A 5267ml sample of h2 is collected at 772 mmhg and 21C. What would the volume be if it is cooled to oC and 1 atm?

    asked by Terrie
  132. philosophy

    What is the distinction between deductive and inductive argument and give examples of each.

    asked by lang
  133. algabra

    find the LCM of y^2-64 and y^2+15y+56

    asked by Sam
  134. Math

    Three times as many children as adults attend a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The theater collected a total of $6,000. How many people bought tickets?

    asked by Carolina
  135. Math

    How do you write this as an algebraic inequality ? "Three times a number decreased by seventeen is less than or equal to eight."

    asked by Elda
  136. arithmetic

    Four friends decide to buy a bag of 56 gold coins..Each person contribute the following Sue $320 John $300 Mike $220 Betty$ 160 Please determine the apportionment using a.Hamilton method b.Jefferson method C.Webster method

    asked by MIKE.
  137. math

    if anna drew a circle that has an area of 153.86 square meters what is the radius of anna's circle

    asked by jack
  138. Physics

    an object that is 6 cm in height is put 9 cm from a convex lens. The lens has a focal length of 8 cm. What is the size of the image?

    asked by Jack
  139. statistics

    In prior investigations made by a local Gas and Electric Company, 65% of homeowners prefer to heat with gas instead of electricity. In a recent study of 200 homeowners 60% prefer heating with gas. In a two tailed test at a .05 level of significance can we

    asked by Nikki
  140. pre calc

    cos2x=cosx in interval of [0,2pie]

    asked by caitlyn
  141. Statistics

    According to the U.S. Federal Highway Administration, the mean distance traveled per shopping trip by Americans was 10.0 miles in 1983. A random sample of 25 shopping trips for this year gave a mean distance traveled of 12.0 miles with a population sample

    asked by Anonymous
  142. Physics

    Calculate  the  length  of  a  meter  stick  moving  with  a  speed  of  v  =  0.9995c  as  measured  by  an   observer  at  rest.

    asked by James
  143. social studies

    why they are grouped in one community?write at least threereasons. (1)christine. (2)hindu.(3)muslims.(4)sick.

    asked by abdul moiz
  144. Math(just check it please easy)

    A salesperson makes a flat fee of $20 per day plus $8 per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F: 20h + 8 = 60 G: 8h + 20 < 60 H: 8h + 20 =

    asked by Naresh Jafar
  145. english

    Can someone give me some example on indefinite pronouns. Like in sentences!! thanks!!!

    asked by McKenna
  146. identities trig?

    find all solutions to the equation in the interval [0,2pie] cos2x=cosx

    asked by emily
  147. precalc

    How do you solve log5 sqrt125?

    asked by Ashley
  148. physics

    The energy of the electron in the 2s state is -12.98 eV, the energy in the 3s state -10.84 eV. What is the wavelength of the absorbed photon?

    asked by Tisha
  149. 10th grade Chemistry

    To what volume should 5.o g of kcl be diluted in order to prepare a o.25 m solution

    asked by Angelica Martinez
  150. literary

    give examples literary and non literary prose by citing examples from any source .

    asked by Anonymous
  151. physics

    In the figure , suppose C_1 = C_2 = C_3 = 18.0 \mu F.If the charge on C_2 is Q_2 = 33.0 \mu C, determine the charge on each of the other capacitors.

    asked by c
  152. music

    The form of the melody called the bar form is represented by A)AAB B)ABB C)ABA D)ABBA

    asked by Stephanie
  153. s.s (social studies)

    IS THIS RIGHT ? There comes a time in history,when the Americans must break away from england and become a separate nation , equal with other nations like god planned all along.We care about what the rest of the world thinks,therefore we will clarify why

    asked by molly
  154. ELA (CHECK)

    Jose Envisioned a center with music classes. What does envisioned mean? A. watched a show about B. Saw in his mind C. Will see in his mind D. Became part of a vision The answer is C is it correct

    asked by KIM
  155. science

    how do you make 5-Pentyl-1,3-benzenediol from just benzene? 1.Benzene + Br2 +FeBr3-->Benzene-Br??

    asked by Sandy
  156. math

    what would be the length of a shadow cast by a 50 foot high building?

    asked by ben
  157. math

    factoring to solve quadratic equation 5x^2=16x+45

    asked by lori
  158. Chemistry

    How do you calculate the heat fusion of ice? I have the initial and final temperatures and volume of the water.

    asked by Becky
  159. algebra

    Your company would like to know how sales levels affect profits. If too few items are sold, then there is a loss. Even if too many items are sold, however, the company can lose money (likely because of low pricing). It is good to know how many items can be

    asked by Joe
  160. English

    I need the synonyms and antonyms to all the tenth grade SAT vocabulary list!!

    asked by Lisa
  161. physics

    A 187 W motor will lift a load at the rate (speed) of 6.58 cm/s. How great a load can the motor lift at this rate?

    asked by Merlin
  162. trig identies 5.3 &5.4

    use a sum or difference identity to find an exact value pie/12

    asked by alex
  163. social studies class 2

    why muslims are grouped in one community? write at least three resons.

    asked by abdul moiz
  164. Physics

    A 166 g mass is attached to a horizontally mounted spring. It is pulled out to stretch the spring and then released. You determine the period of the oscilliation to be 1.0 seconds. What is the acceleration of the mass (magnitude) when the spring is

    asked by Paige
  165. Algebra

    Is the point (-3,-2) a solution of the intersection of the following set of quadratic equations: Y < -X ^ 2X^2 + Y^2< 16

    asked by Christina
  166. HCS/457 - PUBLIC AND COMMUNITY HEALTH

    Why is it important to consider the components of the social ecology framework in community and public health?

    asked by Linda
  167. Science

    The chemical eqaution H squared + Cl squared > 2 HCl represents which type of reaction? Thanks, if you can get it):

    asked by Holly
  168. physics

    1.What if Newton’s Third Law did not exist?. In your response to this inquiry, think of some of the consequences if Newton’s Third Law were not true. Describe in detail at least two consequences that would result if the Third Law were not true.

    asked by maria
  169. Chemistry

    How can i determine the molar mass of acetylene and its molecular formula if i only know its density at stp and its empirical formula

    asked by Traci
  170. chemistry

    how many grams of BaO are in 1L of a 2.0 aqueous BaO solution (MW BaO = 153.3g/mole)?

    asked by jackie1
  171. Chemistry

    You have a reaction using the following criteria: 1.3456 g of barium chloride solution (0.786M) is mixed with 1.20089 g of sodium sulfate solution (1.3M). The ambient pressure is 754.564 mmHg and the temperature is 56.889 degrees celsius. Determine the

    asked by Katie
  172. Chemistry

    How many grams of copper are produced when excess aluminum reacts with 11.6g of copper oxide?

    asked by Melissa
  173. Chem

    Balancing equations? NaOH + H3PO4 ----> Na3PO4 + H2O C3H8 + O2 ----> CO2 + H2O

    asked by Laura
  174. Geometry

    How do solve the equations algebraically? x^2 + y^2 = 25 3y - 4x = 0

    asked by Camile
  175. Algebra

    The picture has an arrow on it with the back of the arrow on the 3 and 4 In which quadrant(s) could a point be located if its coordinates are reciprocals of each other?

    asked by Regina
  176. trig.

    Find the degree measures of 2 angles, one positive and one negative that are co-terminal with 135.

    asked by ashley --
  177. Algebra

    9. Find the value of y if the points (–7, y) and (4, –3) are √30 units apart. (1 point) Thank you :D!

    asked by personthatreallyneedshelp!
  178. college albegra

    Brandon has 3 inventions, one saves 30 percent on fuel; a second saves 45% a third saves 25%. If he uses all three inventions at once, what percent can he save on fuel? do I add all of the percentages together and divide by 3? =1/3 or 3%? or is it 100%?

    asked by algebrajunkie
  179. college algebra

    Amy sets up a game in which she puts four $10bills and one $20 bill in one box. Blindly grabs one of the bills and keeps it. To break even on average, how much must she charge the player to play? is it just 60-2o=40....so she would need to charge the

    asked by algebrajunkie
  180. ELA (CHECK)2

    I think that there are eight of these variations what does the word variations mean? A. several things B. Thinks thAT constantly change C. A place that people visit to relax D. A serious of different paintings on the same theme I think the answer is d is

    asked by KIM
  181. system of equations

    solve using any method and identify the system as consistent, inconsistent or dependent. 3x-4y=8 6x-2y=10 I want to use elimination. this is taking me forever!

    asked by Nancy
  182. Math

    A plate glass window measures 5 ft by 7 ft. If glass costs $7 per square foot, how much will it cost to replace the window.

    asked by Tenesha
  183. Math

    How would i change x-4y= -20 to slope intercept form?

    asked by Jameson
  184. math

    factory completely 21y^2+38+5

    asked by lori
  185. probability

    a bag of 100 marbles contains 30 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a

    asked by ryee
  186. Physics

    user-generated content: report abuse What approximate change in decibels does an observer experience from a sound source if the observer moves to a new location that is 67% as far from the source? My answer choices are 23, -23, 40, 2.76, -2.76, 1.94,

    asked by Michelle
  187. physics

    In the figure , the total resistance is 13.0 k \Omega, and the battery's emf is 32.0 V. If the time constant is measured to be 40.0 \mu s. Calculate the total capacitance of the circuit.

    asked by Anonymous
  188. physics

    A laundry detergent contains a three-level quantum system ("whitener") which absorbs ultraviolet light at 273 nm. It emits light at 597 nm as part of a two-step process . What is the wavelength of the second emission process?

    asked by Lorlyna
  189. math

    factor completely 7y^2+22y+3

    asked by lori
  190. math

    how do I determine the compounding rate required to turn $350 into $14,000 over 30 years? Thank you

    asked by Tom
  191. social studies class 2

    why hindu are grouped in one community?write at least three resons.

    asked by abdul moiz
  192. Math

    solve the equations algebraically x^2 + y^2 = 25 3y - 4x = 0

    asked by Camile
  193. History

    Is it okay to end an essay with a rhetorical question?

    asked by Ruth
  194. MATh

    Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that

    asked by Robby
  195. Psychology

    Survey results may be inaccurate due to: a participants not wanting to tell the truth b the bias of respondents c the use of a represntative sample d failure of most statistical procedures in analyzing the results of surveys. This really has me stumped as

    asked by Nicci
  196. arithmetic

    Write a rule for the nth term of the arithmatic sequence. Then find a10. 1. -4,2,8,14,20 2. -25,-29,-30,-37,-41

    asked by Dariean
  197. math

    how to convert cm3 to liters?

    asked by lucy
  198. child care

    windows of time during which enviorment influences on development are enhanced are called blank periods? a.sensitive b. critical c. crucial d. necessary i say c?

    asked by kellie
  199. Social Studies(child Labor)

    what is the right spelling for child labor did i spell child labor right or it is child labour i think the right spelling is child labor in google i saw a spelling like child labour

    asked by josan
  200. science

    when would we use parsec, astronomical unit or light year? how would you determine which is the best to use?

    asked by yuku
  201. Physics

    Glass of water has mass of 240g at room temp (25°C). Add 50g of 0°C ice. What final temp after ice is melted. (at equilibrium).

    asked by Sue
  202. physics

    An atom absorbs a yellow photon in the transition from its 2s to its 3s state (see figure on the left, not drawn to scale). What color photon might it emit in a transition from the 3s to the 2p state?

    asked by nadya
  203. Algebra

    Equation S=-16t^2 +100 write equation t^2 =

    asked by mary
  204. Math

    Women’s records in the women’s 1500-m run. The formula R =−0.0026? + 4.0807 can be used to predict the world record, in minutes, for the 1500-m run t years after 1900. Determine (in terms of an inequality) those years for which the world record will

    asked by Happy
  205. chemistry

    how many ml of a 2M solution of HCl would be needed to neutrilize 2ml of a 5M solution of KOH?

    asked by jackie3
  206. Persuasive Writing

    Hello! I was wondering if you had any ideas for a persuasive writing assignment. Thanks! All help is adored! :D Thanks! From: Natila' Scharum

    asked by Natila'
  207. statistics

    Compare Distribution A (Female Shoulder Girth) and Distribution B (Male Shoulder Girth) shown below. What can we conclude about these distributions based on the histograms?

    asked by amy
  208. MATH

    If someone told you the depth in Lake superior was 1,333ft, would it be expressed as mean, median, mode, or range

    asked by bravefiregirl
  209. Math

    Could someone answer this question so I understand it. Thanks Find the indefinite integral. x/ã3x^2+4 dx = Simplify the answer. Use C as the arbitrary constant.

    asked by Jules
  210. math

    name a multiplication fact that can help you with 8x4, and tell how

    asked by Anonymous
  211. s.s (social studies)

    can you help me translate the declaration of independence? first passage: When in the course of human events it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the

    asked by molly
  212. Algebra

    find the LCM of 6y^6and 12y^8

    asked by John
  213. chem

    Suggest a synthesis for olivetol from benzene and any necessary organic and/or inorganic reagents.

    asked by mie
  214. algebra

    How do I solve -6x-12>-18 Thanks in advance for the help.

    asked by Nyk
  215. trig

    finding the period of a graph given a equation y=-5sin1/3(x-pi/2)

    asked by ashley --
  216. geometry

    In a Kite the sides are x,5,2 and 3 what is the value of x?

    asked by Meli
  217. religion

    Hello, I am having trouble locating online Kohlbergs theory and spiritual formation with moral reasoning thanks

    asked by kara
  218. math

    Joe has a total of 100 dimes and quarters. If the total value of the coins is $14.05, how many quarters does she have?

    asked by Fred
  219. Math

    Math.. find limit help? Find the given limit. (x→ 1)lim: (square root x-1) + 1

    asked by Jacob
  220. clinical chemisty

    why is lupus inhibitors important

    asked by yr
  221. World Lit.

    what disobedience techniques did gandhi use to gain independence in india?

    asked by ricki
  222. math

    A train traveled 1,176 mi in 21 h. What was the speed of the train Speed is the distance traveled divided by the time.

    asked by Carla
  223. math

    which of the numbers are integers? 11/3,9.7,-163,-3/8,1

    asked by sammy
  224. Math

    Use algebra and the properties of limits as needed to find the limit. If the limit does not exist, say so. (X→-∞)lim : 44x^2-12x+82/11x^2 - 35x - 37

    asked by West P.
  225. math

    Evaluate a) |-59|-|-93| b) |-45| +|33|

    asked by Bee
  226. math

    a) Identify the base in the following statement b) Solve for the amount. What is 81% of 285

    asked by homer
  227. Math

    1/5(2x+10)=2x-8

    asked by cassy
  228. Science

    5 Grade class with 20 students collected snack-survey data.The class made the circle graph. Cookies:5,Granola Bar:4,Candy Bar:7 Fruit:3,Other:1

    asked by Frances
  229. algebra

    4X+8/X+1 * 2-X/3X-15 / x^2-4/2x^2-8x-10

    asked by Gia 8]
  230. math

    How long does it take to travel 84.2km at 80 kph

    asked by Anonymous
  231. social studies class 2

    why chiristan grouped in one community ?write at least three resons.

    asked by abdul moiz
  232. organic chem

    Suggest a synthesis of 2,4,6-trinitrofluorobenzene from benzene

    asked by lauder
  233. pre cal

    how do you work out cot squared feta - CSC squared feta?

    asked by sam
  234. organic chem

    Suggest the syntheses of cadaverine from 1,5-Dibormopentane

    asked by lauder
  235. stoichimetry

    how many liters of NH3 can be produced from 23.1 grams of H2 ?

    asked by Anonymous
  236. Chemistry

    calculate the amount of heat generated when 50g of water is condensed at 100 degrees celsius

    asked by Andy
  237. algebra

    what is the radical and x=5 on the inside of the radical?

    asked by irene
  238. algebra

    SOLVE A=bh for b I came up with b= A/h Am I correct?

    asked by mary
  239. english

    can someone help me withindefinite pronouns!!!!!!! like with sentences with the uses too like adj noun do io op subject????

    asked by McKenna
  240. Psychology

    Survey results may be inaccurate due to: a participants not wanting to tell the truth b the bias of respondents c the use of a represntative sample d failure of most statistical procedures in analyzing the results of surveys. This really has me stumped as

    asked by Nicci
  241. science

    who rubbing two different pieces of cotton together give each piece of cotton a +ve or -ve charge

    asked by katlin
  242. math

    How to convert cm3 to liters?

    asked by lucy
  243. MATH(please check only)

    Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that I think the answer is 0.65n = c

    asked by Robby
  244. Math

    Naomi studied each of the letters below with a flat mirror. abcdefghijklmnopqrstuvwxyz she then constructed this chart characteristic 1 charac 2 char 1&2 bcdehiox hiox what letters go in the second column

    asked by Carol
  245. Calculus

    find the integral of (1+3t^5)^20*t^4dt

    asked by brian
  246. maths

    a melon costs 5.45 for 3.2kg how much would 6.5kgs cost?

    asked by nicole
  247. Chemistry

    What is the correct way to write a chiral system or R and S system?

    asked by Chris
  248. Geometry (math)

    The center of two pulleys are 27cm apart. One has the raddius of 13cm and the other has a radius of 5 cm.. Find the length of the blet that surrounds the two pulleys rounded to 2 decimal places.

    asked by Fominia
  249. social studies

    Ways to be safe in class

    asked by ahmed
  250. math

    write a mixed number for 106

    asked by Anonymous
  251. Social Studies(Thesis)

    I read all about thesis and i made my thesis about child labor At what age is it appropriate for a child to have a job and a child should have a right to freedom. That is my thesis is it correct yes or no THANKS

    asked by macy
  252. trig

    how do i solve this completing the square problem: 3x^2+12x+10=0

    asked by Anonymous
  253. algebra 2 and trig (math)

    Find the value of x in the interval 0 is less than or equal to x and 360 is greater than or equal to x which satisfies the equation cos x - 2 cos x sin x.

    asked by joe
  254. math

    Thanks for the answer Reiny, could you explain the way you solved the factor of 21y^2+38+5

    asked by lori
  255. Women Studies

    explain how cultural assumptions influenced the findings --the supposed innate biological facts of gender and intelligence--in the "Science" that Gould discusses.

    asked by Aaron Larsen
  256. Math

    How do you put 7x= 3y-12 in y=mx+b form?

    asked by Mark
  257. math

    A. Find the mode of the following set of numbers. b. Find the range of the following set of numbers. 11, 13, 13, 12, 11, 12, 13, 10, 14

    asked by born slow
  258. math

    6n+5 if n =4.5 what is n

    asked by trey
  259. math/alg

    Use the product rule to find the derivative of (2x^2 + 3)(3x + 5).

    asked by Ethan
  260. math

    Which of the following inequalities has x > 4 as a solution? A: 6x < -24 B: x + 4 > 0 C:-5x + 2 < -18 D: 4x + 2 > 14

    asked by Katherine
  261. Math

    consider the following linear equataion: 4x+11y=2011 How many solutions are there such that x and y are positive integer? (note the date 4/11/2011)

    asked by Diana
  262. trig

    use a sum or difference identity to find an exact value cos pie/12

    asked by alex
  263. social studies class 2

    why sick grouped in one community?write at least 3 resons.

    asked by abdul moiz
  264. organic chem

    Suggest the syntheses of putrescine and cadaverine from ethyl bromide

    asked by lauder
  265. Math

    A particle P of mass m=1 moves on the x-axis under the force field F=36/(x^3) - 9/(x^2) (x>0). Show that each motion of P consists of either (i) a periodic oscillation between two extreme points, or (ii) an unbounded motion with one extreme point,

    asked by Daphine
  266. social studies class 2

    write at least three differences among these community. (1)Muslims.(2)Hindu.(3)Sick.(4)Christin.

    asked by abdul moiz
  267. Slope Int, Form

    how to solve y= x-4

    asked by Anonymous
  268. math

    Find the five-number summary of the following set of numbers. 341, 233, 181, 368, 247, 551, 286, 223, 313

    asked by Ms. gladys
  269. history

    In the 1950's, how did some corperations expand to protect themselves against the dangers of economic downturns?

    asked by Brittany
  270. math

    x^3 - 3x^2 + x Substitute 3 for x so i got 3^3 - 3(3)^2 + 3 27 - 3 - 9 + 3 24 - 9 + 3 15 + 3 18 Is this correct ??????????//

    asked by Matt
  271. math

    At what rate are Martin's FICA taxes withheld? 7.5

    asked by Anonymous
  272. Science

    Imagine you made a gallon pitcher of lemonade for your family picnic.You poured the lemonade into 12 paper cup until there wasn't a drop left.Is the volume of the lemonade in the pitcher and the lemonade in the 12 paper cups put together the same or

    asked by Frances
  273. algebra

    _____j - 4.5j =3.8j

    asked by jesse
  274. science

    how do you find out the chlorine level in water after you have found how many drops of silver nitrate is needed to turn 20ml of water combinde with 2.5ml of protasium chromate a permanent red.

    asked by Gibbin
  275. Math HELP PLEASE

    A particle P of mass m=1 moves on the x-axis under the force field F=36/(x^3) - 9/(x^2) (x>0). (a)Initially P is projected from the point x=4 with speed 0.5. Show that P oscillates between two extremes points and find the period of the motion. (b)Show that

    asked by Daphine
  276. math

    what is the answer to this math problem, y= -1/4(x+3)^2-3

    asked by dianne
  277. history

    What ultimately changes John Adams's mind and favor of American revolution?

    asked by vivian
  278. math

    does a -8 plus -7 equal 15 then?

    asked by cassandra
  279. p.e.

    How to fill out an observation document?

    asked by deidra
  280. lit

    i need help on describing LADY MONTAGUE in romeo and Juliet.

    asked by kathy
  281. science

    what is the condidtion of earths atmosphere at a particular time and place?

    asked by selena
  282. science

    why do astronomers use these measures instead of centimeter meters and kilometers

    asked by yuku
  283. MATH

    A paper is 28cm long, how many meters is this?

    asked by TREVOR
  284. Math

    gallons of milk were $2.30 each. Write an expression to show this for “g” gallons.

    asked by Angela
  285. social studies

    Nepal is a country of full of geographical diversities

    asked by suchana
  286. math

    need help with the setup on this problem.. if something grows @ 10% per year how long would it take to go from 100 to 300?

    asked by lofo
  287. computers

    in a business report, what spacing should you use between lines?

    asked by james
  288. medical terminalogy

    Some technical terms pass into common usage as knowledge about a field spreads Think of three such terms that have passed into common usage recently?

    asked by diane
  289. math

    5/11 + 4/9

    asked by Markeese
  290. History

    IS WWII and The holcaust too diferent things or did the holcaust happen during WWII

    asked by Heather
  291. math

    1 kg= g

    asked by steven
  292. english

    in english we have to make an album of 6 songs that relate the the play, the tragedy of julius caesar. one for each act and then one that summerizes the main theme of the play. please help

    asked by randijo
  293. college algebra

    Shellie pays $4.00 for a square piece of wood, which she makes into a stop sign by cutting the corners off. what is the cost of the wasted part? I don't even know where to begin? do I take $4.00*1/8....which equals half and subtract that from

    asked by algebrajunkie
  294. writing

    thesis statement for public transporation

    asked by vanessa
  295. science

    What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?

    asked by Haley
  296. MATH

    A state sales tax is levied at a rate of 7.5%. How much tax would one pay on a purchase of $550.

    asked by Marissa G.
  297. organic chem

    (1) Isobutyraldehye + formaldehyde + NaOH/H2O → II (C5H10O2) what is the structure?

    asked by mie
  298. math

    what is 5 divided by -4?

    asked by cassandra
  299. math

    what is 20 plus a -3?

    asked by cassandra
  300. math

    (8+ )*m=5m

    asked by jesse
  301. I need help to unscramble these words in spanish

    oaincooEdm arAilulq incEle asertdarccteoipPr erIoscrdapm loEcernoict lpaLaeliuc mroipliEeltbe

    asked by Carl
  302. math

    -1 plus 15 equals what?

    asked by cassandra