Questions Asked on
February 24, 2008

  1. Chem

    Which of the following is the formation reaction for CaO(s) ? A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. 2 Ca(s) + O2(g) 2CaO(s) D. Ca(s) + 21O2(g) CaO(s). E. 2 CaO(s) 2 Ca(s) + O2(g) I know that you have to create an equation and I

    asked by Anonymous
  2. organic chemistry

    why is the trans-trans isomer of dibenzalacetone the most stable isomer?

    asked by kkk
  3. chemistry

    the fuel methanol(CH3OH) is made by the reaction of carbon monoxide and hydrogen. a) write the balanced chemical reaction b)how many grams og hydrogen are needed to produce 45.0 grams of methanol?

    asked by g3mini
  4. Physics

    An engine is used to pull a train of two cars out of a mine. The floor slopes upward at an angle of 24o. Each car has a mass of 0.8x104 Kg and normally travels without friction on the tracks. The engine can exert a maximum force of 1.4x105 N on car A. If

    asked by Charlie
  5. Physical science

    On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3

    asked by Rachel
  6. physical science

    A merchant in Kathmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether you got taken, so you lower the statue into a container of water and measure the volume of displaced water. Show that for 1 kg of

    asked by Rachel
  7. economics

    Each week, Bill, Mary and Jane select the quantity of two goods, x1 and x2, that they will consume in order to maximize their respective utilities. They each spent their entire weekly income on these two goods. Suppose you are given the following

    asked by Krissy
  8. physics - DAMON

    a +35x10^-6 C point charge is placed 32 cm from an identical +32x10^-6 C charge. how much work would be required to move a +50.0x10^-6 C test charge from a point midway between them to a point 12 cm closer to either of the charges? so can you show me the

    asked by leess
  9. finance

    Can someone please help me with the following question. I am not sure even where to start. A 5-year annuity of 10 $9,000 seminannual payments will begin 9 years from now, with the first payment coming 9.5 years from now. If the discount rate is 11 percent

    asked by student
  10. Organic Chemistry-pls check

    Which is the major product from acid catalyzed hydration (addition of water) of 2-methyl-2-pentene? a) 2-methyl-2-pentanol b) 2-methyl-1-pentanol c) 2-methyl-3-pentanol d) 3-methyl-3-pentanol answer: "c": 2-methyl-3-pentanol ???

    asked by K
  11. Microeconomics-Consumer & Producer Suplus Graphs

    Can anyone help? I am trying the draw the following graphs for Consumer & Producer Suplus. I have made several attempts and I know I am not drawing them right. 1) The cost of producing stereo systems has fallen over the past several decades. A)Use a

    asked by G
  12. chemistry

    4FeS2 + 11O2 yields 2Fe2O3 +8SO2. I don't understand this equation. FeS2 leads me to believe that the Fe here has a charge of +2 but in the product it appears to have a charge of +3 judging by the formulas. How is this possible and what is this equation

    asked by kaley s
  13. precalc

    Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta

    asked by Kristen
  14. Calc

    A rocket is launched with an initial velocity of zero, and with acceleration in feet per second per second defined by: --------( 20e^(-t/2), for 0 10 seconds. Thanks!

    asked by Michael
  15. math

    the population of humorville is 8,500 people. in this town, jokes travel fast. in one hour, each person who hears a joke tells three other people who have not heard it, and tells no one else. last frieday, a visitor from out of town told the police chief a

    asked by Brielle
  16. Ap Chemistry

    Hi, I was wondering if you could possibly help me with this chem question. For the relatively slow decomposition of NOCL into NO and Cl2 according to the reaction below, it is known that the reaction is second order w/ respect to NOCl and that after 23.4

    asked by Carlo
  17. Math

    1)Find the value of 7+2(5-2*3^2) 7+2(5-2*9) 7+2(5-18) 7+2(-13) 7+-26 (answer)-19 2)Name the sets of numbers to which 457 belongs. (answer)natural,whole,integers,rational,reals

    asked by Jon
  18. physics

    You are a pilot on an aircraft carrier. You must fly to another aircraft carrier, now 1450 km at 45 degree of your position, moving at 56 km/hr due east. The wind is blowing from the south at 72 km/hr. Calculate the heading and airspeed needed to reach the

    asked by priya
  19. Physics

    The question is: Can you photograph yourself in a mirror and focus the camera on both your image and the mirror frame? Explain. I tried it for myself and it's possible, but I just can't explain why.

    asked by Emily
  20. Math(dispute to previous question)

    2)Name the sets of numbers to which 457 belongs. (answer)natural,whole,integers,rational,reals My book says that every REAL number has to be rational or irrational. Blueridge said that my answer was correct except to exclude rational from my list. From

    asked by Jon
  21. Organic Chemistry

    I am really not certain on the following question: Which compounds contain stereocenters?? I) 1-chloropentane II) 2-chloropentane III) 3-chloropentane IV) 1,2-dicloropentane a)-> I, II b)-> III, IV c)-> I, III d)-> II, IV I) 1-cloropentane has

    asked by K
  22. Math: Dot Product

    A box with a weight of 215 N rests on a ramp. There is a frictional force of 27 N exerted on the box directed up the ramp. If the ramp is inclined at 30 degrees, what force must be applied at an angle of 40 degrees to the ramp to maintain equilibrium?

    asked by Anonymous
  23. Chemistry

    Which of the following is the best definition of Hess' Law? A. Since enthalpy is a state function, it will be different if a reaction takes place in one step or a series of steps. B. Heat is always released by the decomposition of 1 mole of a compound into

    asked by Anonymous
  24. algebra 2

    PLEASE HELP wiTH ALL OF THEse. I DON'T KNOW WHERE TO START---THANKS! 1. At 2pm the number of bacteria in a colony was 100, by 4pm it was 4000. Write an exponential function to model the population y of bacteria x hours after 2pm. 2.Using the information in

    asked by cal
  25. working with data

    josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is

    asked by mike
  26. physics

    how is dissociation and ionization similar

    asked by esha
  27. French- another check-over

    A group of friends spent the weekend in Paris. Say where they each went, using the passe compose of aller. 1. Nathalie est allee au Louvre. 2. Eric et Jerome sont alles au Musee d'Orsay. 3. Caroline et Claire sont allees au Centre Ponpidou. 4. Vincent est

    asked by Anonymous
  28. calculus

    Assume x and y are functions of t. Evaluate dy/dt. xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3

    asked by marie
  29. Genetics

    Describe the inheritance and expression of cystic fibrosis, Tay-Sachs disease and sickle-cell anemia. I didn't understand what the question meant by "expression." Please help!

    asked by Anonymous
  30. Chemistry

    When 0.969 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 397C 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. Delta Hrxn, for the reaction of CaO(s) +

    asked by Anonymous
  31. Chemistry

    How many moles of Carbon dioxide are produced from the decompostion of 1.45 grams of Aluminum Carbonate?

    asked by Barb
  32. French- check-over

    Use appropriate forms of voir. 1. Nous voyons une ferme. 2. Tu vois un lac. 3. Marc voit des baches. 4. Vous voyez un cheval dans une prairie. 5. Je vois un ecureuil dans un arbre. 6. Philippe et Stephanie voient des oiseaux.

    asked by Anonymous
  33. calculus

    Assume x and y are functions of t. Evaluate dy/dt. xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3

    asked by marie
  34. Math

    ( / means absolute value) Solve: 3+/2y-1/>=1. Graph the solution set on a number line. The number line I have is: -5 -4 -3 -2 -1 0 1 2 3 4 5 6 First solution: 3+2y-1>=1 2y-4>=1 2y>=5 y>=5/2 I'm stuck b/c I had to correct the first part. I had a whole

    asked by Jon
  35. rl

    If steak is a normal good and its price rises

    asked by jaka
  36. chemistry

    When 0.954 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 391C 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 Anonymous
  37. algebra

    find the real number solutions of the equation. w^4+w^3-w=1 could you please show step by step..thank you

    asked by jimmy
  38. math

    Let PSR be a triangle. Let A, B, C be the midpoints of the sides PS, PR and SR respectively. The following numbers 2,3,4 and 6 are lengths in inches of the three segments: AB, AC and BC and one of the sides of the given triangle PSR. Question: Which of the

    asked by brwe
  39. Trig word problem

    A park ranger at point A sights a redwood tree at point B at an angle 23 degrees from a fire tower at point C, From the fire tower, the Angle between the ranger and the tree is 123 degrees. If the ranger at point A is 2.3 miles from the fire tower at point

    asked by jonathan
  40. Stoichiometry

    How much iron (II) sulfide would be needed to prepare 15L of hydrogen sulfide? My balanced equation is 2HCl + FeS --> H2S + FeCl2. I have converted 15L H2S to mols, but I have no idea where to go from here.

    asked by Jacob
  41. L.A or C.A

    Hello everyone! I have a question about feature articles... How is it suppose to look like? Can you find me a feature article on anything so I can see the formate? well thank you! =)

    asked by Nick
  42. pre-algebra..7th grade

    Story Problem Some friends are recording songs on a CD. The first 1/5 of the CD has Alex's songs.The next 12 minutes of songs are Henrique's. 1/3 of the time is Brian's songs. Sally has 32 minuites. How many minutes of music are there in all?

    asked by pam
  43. calculus

    the the sum (using the integral test) from k=1 to infinity of (lnk)^2/k I said divergent because the interval goes to infinity is this correct?

    asked by sarah
  44. chemistry

    When 0.627 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 102C 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. The molar heat of reaction, H rxn,

    asked by joshua
  45. chemistry

    calculate the number of atoms in the following masses. a) 54.0g of aluminum b) 69.45 g of lathanum c) 0.697 g of gallium d) 0.000 000 020 g of beryllium

    asked by john
  46. Writing Assignment

    I have to write a short essay on a movie called the seventh seal and I was wondering about a certain part that interested me and that would be where he is playing chess with death can any one give me some help with this... like what does it mean... and ect

    asked by LT
  47. Social Studies

    Is Indiana's major lake, Lake Michigan? Can you also give me some information on it please?

    asked by Peter
  48. chemistry

    What is the mass of hydrogen produced from the reaction of 2.31 grams of HCl with magnesium?

    asked by Barb
  49. O-CHEM (PLEASE CHECK)

    How many stereoisomers are there for 1,2-dichlorocyclopentane?: a) 1 b) 2 c) 3 d) 4 answer: "B" (2)??? or: "D" (4)??? How many stereoisomers are possible for: cortisone acetate?: a) 32 b) 64 c) 128 d) 256 answer: "B" (64)??? How many stereoisomers are

    asked by K
  50. chem

    Which of the following is NOT true about the thermodynamic standard state? A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A pure

    asked by Anonymous
  51. pre algebra

    2x+3y=6

    asked by heather
  52. Essay

    What main points do you think I should include in my essay ("Why I should be in this advanced class")? I've written most of it. The topic was so general that I am not sure that I've hit all the points I should have. Could you provide some points that you

    asked by Anonymous
  53. trig

    Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km apart. If you had to find the angle between their courses an equation that could be used to solve this problem is:

    asked by jonathan
  54. trig

    In triangle ABC, find

    asked by jonathan
  55. accounting

    how do you find average price at which the shares were issued? common stock without par value, 4000000 shares authorized, 800000 shares issued, and 720000 shares outstanding

    asked by nick
  56. electricity 188

    hi my name is christina and i have an electrical question i need help with. i am taking power engineering electrical 188. the question is: how much will ity cost to use 6 lamps of 100 W each if they burn for 5 hours each evening in a month (30 days). the

    asked by christina
  57. Organic Chemistry

    I just want to check if I am correct on this Q: What is the major product formed when 1-butene reacts with water in the presence of dilute sulphuric acid? a) 1-butanol b) 2-butanol c) butane d) 1-methylpropanol I "think" that it "should" be "B"

    asked by K
  58. biology

    1. What are the three parts that make up a nucleotide? 2. What is the sugar found in DNA? 3. What are the four different bases found in DNA nucleotides? 4. What two parts make up the sides of the DNA “ladder”? 5. What holds the sugars and the

    asked by Anonymous
  59. Chemisty

    A reaction of the form aA---> Products is second order with a rate constant of 0.169 L/(mol*s). If the intial concentration of A is 0.159 mol/L, how many seconds would it taje for the concentration of A to decrease to 6.07X10^-3 mol/L

    asked by Sam
  60. English

    Martin Amis's characterizations for Muhammad Atta in "The Last Days of Muhammad Atta" I read it but i don't see ANYTHING based on how he is characterized :( i can't post the website but if you type 'Have they been with you at all times?' in google than ull

    asked by Joanne
  61. Chemistry please check

    1. An ionic compound solution is a(an)________ of electric current. non-conductor absorber emitter good conductor reverser ans: good conductor 2. Hydrogen bonding in water accounts for water's higher than expected boiling temperature the fact that ice

    asked by Mary
  62. chemistry

    How many grams of potassium sulfide are produced from the reaction of 1.23 moles of potassium with sulfur?

    asked by Barb
  63. French- check-over please

    Imagine that you spent a day in the country taking pictures of animals. Make a list of 8 different animals that you saw. J'ai pris des photos de (d'): 1. un ecureuil 2. un oiseau 3. une poule 4. un lapin 5. une vache 6. un cochon 7. un canard 8. un cheval

    asked by Anonymous
  64. LOCI method

    What is the loci method? I found it on a list of tips for being a better student, but there was no explanation.

    asked by Anonymous
  65. algebra

    could you please multiply these together and tell me what you come up with..im having trouble coming up with the right answer...im doing something wrong but don't know what!! (-.096t^4+3t^3-27t^2+91t+1700)*(.043t+49)

    asked by sheila
  66. spanish

    leer

    asked by Anonymous
  67. Improving Nonverbal Communication

    How do you know that your perception of what is being communicated is accurate? Which nonverbal cues can potentially convey a misunderstanding? An understanding? How can criminal justice professionals build strong nonverbal communication skills?

    asked by ree
  68. maths

    calculate the size of the angle or side marked on each of these diagrams

    asked by trigonometry
  69. shakespeare

    What is Shakespeare refering to when he says "O thou weed, Who art so lovely fair and smell'st so sweet That the sense aches at thee" in Othello? I havent read this, but I was wondering, is he talking to a person, or a plant?

    asked by chelsea
  70. calculus

    is the sum from k=1 to infinity of 1/(k^2+1) convergent? i said it was because the integral is convergent

    asked by sarah
  71. calculus

    true or false: if the sum from n=1 to infinity of a(n) converges, and the sum from n=1 to infinity of b(n) diverges, then the series from n=1 to infinity of (a(n)*b(n)) diverges i said this was true... is this correct?

    asked by sarah
  72. science

    a balanced chemical equation has

    asked by Anonymous
  73. advanced algebra

    we are working with logarithms and i don't understand them at all! I get the basic content but then it gets a little more advanced, and I get completely confused. There's one in particular that I have NO idea how to do. Help please?! Simplify: 3 ^

    asked by Kate
  74. Math: Vectors

    I forgot how to do the following, so I'm not sure if they're correct or not: Find the work done by a force "F" that causes a displacement "d". i and j = unit vectors a) F = 4i + j d = 3i + 10j W = (4i + j)(3i + 10j) W = 12|i|^2 + 40ij + 3ij + 10|j|^2 W =

    asked by Anonymous
  75. calculus

    You are working as assistant to a major movie producer from Hollywood, but mainly you look after pre-release film publicity. You are an old hand at publicity, having worked in several production companies before. Based on previous experience you have

    asked by maryam
  76. vocabulary

    what is a word that describe someone with good deeds, and the antonym of that word too..thanks

    asked by newbie
  77. History

    In the time when the colonies were first being established who claimed the land to the west and north of the English colonies?

    asked by Linda
  78. Writing

    I am writing an essay about Ghost in The Shell the original film and I was thinking that the Ghost stance is pro technology than con, what do you think it is and why?

    asked by Ashley
  79. scince and tecnoley

    what is a structure

    asked by lozzy
  80. maths

    1) Circle centre (7,-2) passes through (-2,10). Calculate radius and find equation of circle. 2) AB is diameter of circle A(9,5) B(-1,-7). Find equation of circle mid point. I know i have to use the eqn (x1+x2)/2 and (y1+y2)/2 3) Find the equation of

    asked by Anonymous
  81. essay (the american dream)

    i need to write an essay and make three points about how the american dream is unattainable. so far i've got: advertising, problems with upward mobility, and that the dream is always changing. any other suggestions?

    asked by anna
  82. english

    DICIPLINE OF THE MAN

    asked by SHANKAR
  83. Social Studies

    Is the Mississineewa Lake A MAJOR LAKE at Indiana! And for peace sake I mean is it a Major! LAKE! in Indiana!!!! And I! don't mean is it in Indiana!

    asked by Peter
  84. Math_Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above

    asked by Math help
  85. Math

    1)The sum of a number and 17 more than twice the same number is 101. Find the number. 17+2n=101 17-17 101-17 2n=84 n=42(answer) 2)Evaluate: 5-/a+5b/ if a=-12 and b=2. 5-/-12+5(2)/ 5-/-12+10/ 5-/-2/ 5-2 3(answer)

    asked by Jon
  86. novel

    In tale of two cities please answer these questions in chapters 11,12,13: 1-why did darnay decided to go back to paris? 2-"in the name of that sharp female born and called la guillotine why did you come to france" who said these words?to who and when?

    asked by mara
  87. English

    i just wanted to know what these proverbs meant from the book "Things Fall Apart" first one: " If I fall down for you and you fall down for me , it is play" second one: "If one finger brought oil it soiled the others"

    asked by Soraya
  88. Thoreau

    Can someone please help better explain this quote to me by Thoreau? "Truth is always in harmony iwth herself, and is not concerned chiefly to reveal the justice that may consist with wrong-doing."

    asked by Lily
  89. inequality

    Define a variable and write an inequality. Then solve. A local summer baseball team plays 20 games each season. So far, they have won 9 games and lost 2. How many more games must they win this season to win at least 75% of all their games? I don't know

    asked by Jon
  90. Chemistry

    N2H4(g) + H2(g) ---> 2 NH3(g) H1 = –1876 kJ 3 H2(g) + N2(g) ---> 2 NH3(g) H2 = –922 kJ The H f for the formation of hydrazine: 2 H2(g) + N2(g) N2H4(g) will be _________ kJ/ mol.

    asked by Anonymous
  91. Chemistry

    Cyclobutane consisting of molecules in which four carbon atoms form a ring decomposes when heated to give ethylene. The reaction is first order. In an experiment, the initial concentration of cuclobutane was 0.00150M. After heating at 450 degrees C for

    asked by Sam
  92. year7 french

    im learning about countries in french and i need to translate the countries written in french into english. i need to find what la nouvelle is i have looked on the site ms sue found but cant find it im not sure if it is new zealnd. thanks

    asked by sam
  93. History

    Does the federal reserve system affect us directly in any way? How?

    asked by Lacy
  94. algebra

    3x+7=y-5

    asked by sam
  95. Social Studies

    1) What are Indiana's natural resources. 2)What are Indiana's most important way to make money: tourism, manufacturing, mining,agriculture, farming lumbering, fishing, etc. Hope you could give me some websites about these question. Therefore, please be

    asked by Peter
  96. Chem

    When diluting a concentrated acid, add (water or acid) slowly to (water or acid) with sirring. I think you add acid slowly to water because if you add water to acid than it may explode.

    asked by Anonymous
  97. Chem

    Based on H f = –1275 kJmol of glucose, the formation of glucose will be (endothermic or exothermic) and heat will be (released or absorbed) to /from the surroundings.

    asked by Anonymous
  98. Math/Sciance

    Can someone please give an example of how i can use this formula in a word problem... Work out (J) Percent efficiency(e)= ____________ x100 Work in (J)

    asked by Soraya
  99. Math/Science

    Can someone please give an example of how i can use this formula in a word problem... Percent efficiency= Work out (J) _____________ x100 Work in (J)

    asked by Soraya
  100. CHEMISTRY

    When 0.756 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 123C 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 Anonymous
  101. Math

    exploring variables in probability building spinners... a spinner with 5 pies. red=1/6 blue=1/3 green=1/6th yellow =1/6

    asked by Linda for Justin
  102. SOCIAL STUDIES/ GOVERNMENT

    WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???

    asked by EDGAR
  103. Writing

    wat are some words that describe a place or thing, like the disney castle??? heavenly like, but not real...

    asked by newbie
  104. science

    How do whales adapt to their habitat??????????????????????????

    asked by anastasia
  105. Chem

    Which of the following is the formation reaction for CaO(s) Ca(s)+ 1/2O2(g)arrow Cao(s) is that right

    asked by Anonymous
  106. biology 110

    you are making a standard to be used to measure protien concentration. you have added 2ml of protien, 3ml of water, and 4ml of an indicator dye. How would you prepare the blank for this experiment? we are using the Spectrophotometer

    asked by kim
  107. Accounting 11

    I need help completing a statement of cash flow using the indirect method.

    asked by Sonya
  108. French- this is just for a check-over

    Complete the following sentences with a verb from the box. In the box are the following words: apprendre, comprendre, prendre, and mettre. 1. Pour aller a l'ecole, nous prenons le bus. 2. Je ne comprendons pas. Parle plus fort! 3. Florence prend un disque

    asked by Anonymous
  109. Math

    Simplify by factoring. ^3sqrt 54x^8

    asked by Sam
  110. Accounting 11

    What all goes on cash flow statement using an indirect method? How would it show on the sheet?

    asked by Sonya
  111. accounting

    M is designing and building a special computer for D. The price for the new computer is equal to M's costs of building it plus a flat fee of $50,000. M's expense accounts: Emloyment Costs: Wages & salaries, including vacation pay and sick leave Social

    asked by Anonymous
  112. trigonometry

    In triangle ABC, a=8, b=15, and m

    asked by jonathan
  113. marketing

    I really need help with this. Its the only part of my coursework I cant do.

    asked by What I market mapping?
  114. Math

    How do you complete the proof for the integration of dx/sqrt(a^2 - x^2) = arcsin (x/a) + C. a is a constant.

    asked by Ally
  115. Chem

    How many stereoisomers are there for 1,2-dichlorocyclopentane

    asked by Lynsey
  116. psychology

    can you creat a sentence with the word micro-systems?

    asked by susan
  117. precalc

    what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1

    asked by Kristen
  118. Social Studies

    Is Mississinewa Lake a mjor lake in Indiana?

    asked by Lucas
  119. forces

    what is the measure of the amount of force needed to move an object a certain distance?

    asked by cn
  120. math

    crystal wants to build a ramp that will rise 4ft over a horizontal distance of 20ft. how long will the ramp be? round to the nearest tenth.

    asked by carol
  121. english

    How do you write a report on improvements in your area?

    asked by becky
  122. history

    Which countries wanted to join the European Union in 2002?

    asked by Lacy
  123. history

    How does the supreme court show that the constitution allows congress to exercise the power to regulate commerce within a state?

    asked by Don
  124. accounting

    how do you find retained earnings when. retained earnings, 245,200 net decrease in total assets, 37,400 net increase in A.R. 8,600 dividends declared and paid 33,600 proceeds from issuance of bonds 88,400 net loss for the year ended 23,00

    asked by nick
  125. english

    how do you answer the phone when the person is looking for you? like...the person said "May I speak to _____?" what are the different ways to answer if it were you actually on the line?

    asked by anonymous
  126. human service business

    is habitat for humanity like a community foundation organization

    asked by jean
  127. Business

    What is the evolution of business?

    asked by greatdanelola
  128. Business

    What would you say Feudalism means related to business?

    asked by greatdanelola
  129. managerial economics

    Can anyone give me any information concerning the rate of business failures, and does the rate of failure off small businesses differ from that of large businesses?

    asked by jean
  130. math

    4/5 - x/3=10

    asked by mimi
  131. social studies

    My grandson has to write down services. What do they want?

    asked by marie
  132. Acids and alkalis

    I Need To No Atleast 3 Uses Of Acids And Alkalis!!!! Can You Please Help!!!

    asked by Courtney
  133. Calculus (Partial Fractions)

    My Calculus class just started Partial Fractions, and I understand MOST of it. I'm having a slight problem though, when either C, or C and D come in. I understand A/(something) + B/(something) But I become confused when it's either A/(something) +

    asked by Sean
  134. history

    why most American slaves don't have birth record?

    asked by robert
  135. english

    Digging in New Mexico for prehistoric artifacts suggests what area of anthropology

    asked by mike
  136. Economic

    Which countries wanted to join the European Union in 2002?

    asked by Taylour
  137. Histroy

    How does the supreme court show that the constitution allows congress to exercise the power to regulate commerce within a state?

    asked by Lacy
  138. Economics

    How do you find the inverse of the demand function: Q = 4,000 - 125P P = ?

    asked by Maggie
  139. accounting

    Paul incorporated Antler Paul contributes $1,000,000 cash in exchange for 100,000 common shares in Antler

    asked by Aiman
  140. science

    what is germination

    asked by alexis
  141. spanish

    how can i turn this queswton ( yo estudiaba mis lecciones todos los dias) into a imperfect tense?

    asked by destiny
  142. Financial Accounting

    i. contributes $1,000 cash in exchange for 10 common shares to start of a business what would be the journal entry for this Thank you

    asked by Niomi
  143. american history

    When did the United States own all the lands from Atlantic Ocean to Pacific Ocean?

    asked by Nancy
  144. Sciance/Math

    How how can i turn this formula into a simple word problem... Percent efficiency(e)= Work out (J) _____________ x100 Work in (J)

    asked by Sam
  145. Math

    1)Solve 3+2(1-x)>6 or 2x+14

    asked by Jon