lili

Newest questions posted by lili
  1. algebra

    two thirds of the students at school prefer beats headphones to all others.3/4 of those students prefer the wireless ones. 1/5 of those students prefer the pink ones. what proportion of students prefer the pink, wireless beats headphones?
  2. algebra

    you have 3/4 gallons of paint. Each piece of wood you want to paint requires 2/11 gallon of paint. How many pieces of wood can you paint completely?
  3. algabra

    after a birthday party that began with 3 pizzas, there was 1/8 of one of them left, 3/4 of another and 3/8 of the last one. How much pizza was eaten?
  4. algebra

    The balance is a checking account is $82.18 the owner of the account withdraws $100 the bank allows withdrawing more than the balance but charges a $33 fee. What is the new balance in the account?
  5. algebra

    a bank is owed $123 in interest on each of 24 customers loans. would this be best represented as a possible or negative value for the bank? how much are they owed in total.
  6. Algebra 1

    you own $21.24 for some items you purchased. you give the cashier a $100 bill. you receive three $20 bills a$5 bill and four $1 along with three quarters and a penny. whats wrong with that situation
  7. Ss

    new technology has made most of the jobs workers do ay a particular factory obsolete and they are laid off. which rype of unemployment are they experiencing? Structural •• Casual Frictional Cyclical
  8. maths(rational numbers)

    James uses 1/3 of his land for growing durians, 1/4 for guavas, 3/8 for bananas and 9 hectares for mangoes. what is the total area?
  9. Math

    The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH = -logx where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find
  10. Math

    2,48 >2,4 _ 1>2,463
  11. Social studies

    What is a definition of citizenship? -having been born in a country -being a full and equal member of a nation -having pledged to respect and support a governments's values -fulfilling all the responsibilities and having all the rights of living in a
  12. Technology

    To indent the first line of a paragraph, which key should you use? A. Shift key B. Tab key ** C. Enter key D. Space key The _______ key is used to create spaces between lines within a document. A. Enter ** B. Tab C. Shift D. Ctrl
  13. Technology

    which fingers do you type: R T G V F with? right and left index fingers left index and middle fingers right index finger ** left index finger what is special about F and J? they have bumps they are in the exact center of the keyboard they are the keys that
  14. Math

    A group of 24 won $576020 in Lotto. The winning amount was divided even between them and the remaining amount donated to charity. How much was donated?
  15. Social Studies

    1. Which statement best explains why the Louisiana Purchase of 1803 was important to the development of the United States? It created new taxes on imported goods. It resulted in immigration from France to the United States. It doubled the size of the
  16. pre-algebra

    covert 1/3,3/10,0.03,0.33 in order from least to greatest
  17. AP Physics

    A horizontal force of 160 N is used to push a 49.0 kg packing crate a distance of 7.00 m on a rough horizontal surface. The acceleration of gravity is 9.81 m/s If the crate moves with constant velocity, calculate the coefficient of kinetic friction.
  18. math

    one half of what john's age was 4 years ago is equal to on of thrid of what it will be in 5 years time.How old is john now
  19. s.s

    How has Britain’s political system impacted Canada’s political system
  20. Chemistry

    A buffer solution A. contains approximately equal amounts of a weak acid and its conjugate base. B. increases its properties with an increase in the concentrations of the two buffer components. C. resists changes in pH. D. all of the above This one is D
  21. Economics

    Popcorn and coke are complements because the are often enjoyed together. When the price of coke rises, what happens to the supply, demand, quantity supplied, quantity demanded, and the price in the market for popcorn?
  22. Economics

    Analyze what happens to the market for cheeseburgers if the price of cheese rises. Be specific and explain each step.
  23. Economics

    Supply is best defined as the measure of how much producers are willing and able to sell A) above the market-clearing price. B)at any one price in a given period of time. C) at all possible prices. D)according to their resources and profit motives. ( its D
  24. Economics

    Suppose you are a producer of friendship bracelets. How would the following events affect your/the market's willingness and ability supply friendships bracelets? Match the event on the left to the proper determinant on the right.
  25. physics

    the brakes of a car provide an acceleration of -5.0 m/s^2 . how long will it take for a car traveling at 20.0 m/s to stop ?
  26. Math

    Here is the question : A Ferris wheel is 40 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 4
  27. geometry

    1) A billboard on level ground is supported by a brace, as shown in the accompanying diagram. The measure of angle A is 15 degrees is greater than twice the measure of Angle B. Determine the measure of Angle A and the measure of angle B.
  28. math

    how can you use models to show and name a number 1,400 in two different ways? explain
  29. Physics

    A surveyor measures the distance across a straight river by the following methods: Starting directly across from a tree on the opposite bank, she walks 249 m along the river bank to establish a baseline. Then she sights across to the tree. The angle from
  30. physics

    A SUPPOSED TREASURE OF OLD SILVER JEWELRY IS UNCONVERED. a.02M^3 BOX OF THE "OLD JEWELRY" HAS A MASS OF 177KG.IS IT R EALLY OLD SILVER? IF NOT WHAT IS IT?
  31. math please help!!

    2x^2-4X-3=6
  32. math

    find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-8,7)
  33. math

    find all real zeros of the function y=-7x+4. a.-4/7 b.-7,4 c. -7 d.4/7 how do you find it?
  34. physics

    An astronaut throws a wrench in interstellar space. How much force is required to keep the wrench moving continuously with constant velocity? Select one of the options below as your answer: A. a force equal to its weight on Earth B. a force equal to zero
  35. physics

    An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object
  36. physics

    An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object
  37. physics

    An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right. What can you conclude about the direction of motion of the object
  38. organic chemistry

    when 2 propanol was used as the developing solvent, two substances moved with the solvent front (Rf=1) during TLC analysis on a silica gel plate. can you conclude that they are identical? if not what additional experiments would you perform?
  39. math

    nearest tenth of a percent of 1/260
  40. physics

    A metallic surface emits photo electrons when green light falls on it. But the metal does not emit when yellow light falls on it. Which of the following is correct when red light falls on the metallic surface?
  41. math

    I am a 3 digit odd umber. my tens digit is one less than my hundreds digit but two more than my ones digit. The sum of my digits is 20. who am I?
  42. Differenctial equations

    Use the change of variable x = exp(s) to recast the differential equation xy′′+y′+(L/x)y=0 Please HELP ME
  43. chemistry

    Find the theoretical yield when 100 mL of 0.1 M NaI is reacted with 0.50 mL of Br2 (density: 3.10 g/mL) to produce NaBr and I2. What is the actual yield if the percent yield is 81%? (Atomic masses (g/mol): Na, 22.99; I, 126.9; Br, 79.90)
  44. chemistry

    (AAAAA)The standard reduction potentials of lithium metal and chlorine gas are as follows: (for Li, reduction potential is -3.04, for Cl it is 1.36) In a galvanic cell, the two half-reactions combine to 2Li{+](s) + Cl{-}2(g) --> 2Li{+}Cl{-}(aq)
  45. chemistry

    Balance the following redox equation occurring in a basic solution: AG + CN{-} + O2 = AG(CN)2{-} I tried...but this is wrong...2H2O+ AG + CN{-} + O2 = AG(CN)2{-}+4OH{-}... I am supposed to do half reactions...how do I spit the product AG(CN)2{-}?????
  46. 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
  47. BK

    If the incline is 25 degrees and a box that is resting on the frictionless incline 50 kg, what is the box acceleration
  48. science

    a girl delivering newspaper travels 3 blocks west, four blocks north, then 6 blocks east. What is the total distance she travel
  49. sequence and series

    express the given repeating decimal 0.159159159 as a fraction
  50. matc

    If a manufacturer charges q dollars each for footballs, then he can sell 3000-150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is $8 for each football.
  51. math

    MY DAUGTHER WILL BE 10 YEARS NEXT WEEK AND THE HOMEWORK SAID: A NORMAL PERSON BLINKS ABOUT 25 TIMES PER MINUTE WHEN AWAKE. A) HOW OLD WILL YOU BE ON YOUR NEXT BIRTHDAY; B) TO THE NEAREST MILLION, HOW MANY TIMES WILL YOU HAVE BLINKED ON YOUR NEXT BIRTHDAY?.
  52. math

    Roberto ate 3 pieces of a pizza and them felt that he should pay 1/4 of the cost because that's the fraction he ate. How many pieces was the pizza cut into? Please could you explain me the problem and you give me the answer? thank you
  53. geometry

    given: angle 1 is congruent to angle 2, angle measure 1=120 prove: angle measure 3=120
  54. History

    it looks like my teacher printed out highlights from our lesson and whited out parts, it's a "fill in the blank" packet but i don't have the book and it's due tomorrow! What do i do?
  55. ochem

    Can you suggest some possible reasons for using a mixture of water and ethanol (1:1 mixture H2O/EtOH) as crystallizing solvent rather than using either pure ethanol or pure water?
  56. organic chemistry lab

    What would be the effect of raising the temperature and increasing the carrier gas flow rate on the ability to resolve two closely spaced peaks?
  57. Science

    If the energy carried by a sound wave is multiplied by a thousand, by what factor does the intensity of the sound wave increase?
  58. history

    when was willian (Bill) H. Gates born?
  59. chemistry

    What preliminary test are you looking for to identify conclusively your unknown solutions as Set C? Explain
  60. chemistry

    what simple test would you use to identify the possible presence of HCl(aq)? What result do you expect if the solution is HCl(aq)?
  61. chemistry

    write a balanced equation for the reaction that occurs when an aqueous solution of iron(II) chloride is mixed with an aqueous solution o potassium hydroxide.
  62. chemistry

    Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g) = CO(g) + 3H2(g) In a particular reaction, 26.5 L of methane gas (measured at a pressure of 736 torr and a
  63. chemistry

    A weather balloon is inflated to a volume of 27.0 at a pressure of 730 and a temperature of 31.3. The balloon rises in the atmosphere to an altitude, where the pressure is 365 and the temperature is -14.6. Assuming the balloon can freely expand, calculate
  64. chemistry

    A weather balloon is inflated to a volume of 27.0 at a pressure of 730 and a temperature of 31.3. The balloon rises in the atmosphere to an altitude, where the pressure is 365 and the temperature is -14.6. use as a ideal gas behavior
  65. chemistry

    A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 1.55 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
  66. italiano

    come cambiare la scuola
  67. geometry

    the surface area of a sphere if the radius, r, is 6 meters.
  68. WRITING

    What differences did you notice between your logical reasoning process and your moral reasoning process?
  69. pigskin

    week 11 and 12 its hard