Posts by lili

Total # Posts: 125

  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 can paint 4 pieces of wood
  3. algebra

    33/8
  4. 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?
  5. algabra

    the whole pizza
  6. algabra

    nevermain is it 7/4
  7. algabra

    7/8 ??
  8. 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?
  9. algebra

    negative 120.82
  10. algebra

    negative 15.18
  11. 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?
  12. algebra

    $2952??
  13. algebra

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

    yes that's what I mean
  15. 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.
  16. 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
  17. 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
  18. Statistics

    sup
  19. 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?
  20. 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 the pH if the ...
  21. Math

    74
  22. Math

    2,48 >2,4 _ 1>2,463
  23. 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 society •• ...
  24. Technology

    Ok cool thanks
  25. 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
  26. biology

    Ans 1) third option which is the study of interactions among organisms and their environment.
  27. Technology

    Oh then b
  28. 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 your middle fingers ...
  29. 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?
  30. math

    18.75
  31. math

    i dont know
  32. Social Studies

    c b c a c a b d b a Im almost positive these are correct but I was wondering if you could just double check them
  33. 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 country. It encouraged ...
  34. pre-algebra

    covert 1/3,3/10,0.03,0.33 in order from least to greatest
  35. 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.
  36. 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
  37. s.s

    I did but can't find anything related
  38. s.s

    How has Britain’s political system impacted Canada’s political system
  39. geometry

    4.5cm
  40. 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 right
  41. 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?
  42. 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? I only need help with this one
  43. Economics

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

    Can someone tell me if this are wrong ,
  45. Economics

    Higher prices allow businesses to increase production. This occurs because A) most producers are monopolies. B) the price effect doesn't work with supply C) marginal production costs usually rise when businesses increase their rates of production. D) higher prices can ...
  46. Economics

    3)Soybeans are an important ingredient in making tofu. So, if the price of soybeans suddenly increased A)more tofu would be supplied at all possible prices. B)the supply curve of tofu would shift to the left. C)tofu producers would earn more profit. D)None of the above. ( its B)
  47. 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 or B) 2) The Law of ...
  48. 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.
  49. 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 ?
  50. 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 minutes. How many ...
  51. Science help ms sue.

    2 and 5 was not correct: 2-b 5-a
  52. 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.
  53. math

    how can you use models to show and name a number 1,400 in two different ways? explain
  54. 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 her baseline to the ...
  55. 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?
  56. Physics

    why is the heat lost by the metal sample (Ql)equal to he heat gained by the water in the calorimeter (QG)?
  57. statistics

    i have first part. If u have a second, wy can exchange.
  58. math please help!!

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

    find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-8,7)
  60. 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?
  61. 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 C. a force equal to ...
  62. 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 after the application ...
  63. 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 after the application ...
  64. 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 after the application ...
  65. 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?
  66. math

    nearest tenth of a percent of 1/260
  67. ECONOMICS

    factor of production
  68. 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?
  69. 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?
  70. 5th grade math

    The answer is obviously 9,000. And by the way i live in Hollywood in a mansion and seen like 30 celebrities and i was Wondering if you would want to be My friends!plz!✌🏻
  71. Differenctial equations

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

    it is 12/35
  73. 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)
  74. algebra

    6(5)-3(5)^2+3^3=-18
  75. 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) Calculate the cell potential ...
  76. chemistry

    Great! The CN was the spectator that did "nothing." thank you very much.
  77. chemistry

    the answer is 4AG + 8CN{-} + O2 + 2H2O=> 4AG(CN)2{-} + 4OH{-} I do not understand the plugging in of CN. COuld You please explain?
  78. chemistry

    I think I understand...but how do I do CN- reactant? do I do a half reaction too?-->with a product of CN2???
  79. 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{-}?????
  80. chemistry

    oh never mind--I got it!!! (I did half reactions...)
  81. 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 + H2O + O3-?????
  82. statistics

    5x4x3
  83. BK

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

    mol HA + NaOH --> NaA + H2O i x 0.030 f x-0.030 0 0.030 pH = pKa + log(0.030/x-0.030) x = 0.042 mol PM=5.5g/0.042mol = 129.1 g/mol
  85. science

    a girl delivering newspaper travels 3 blocks west, four blocks north, then 6 blocks east. What is the total distance she travel
  86. chemistry

    ?
  87. 4th grade

    sol. ass 5% + ? apa distilata = sol. hipochloride 4%
  88. physics

    39.16
  89. Physics

    1.6
  90. sequence and series

    express the given repeating decimal 0.159159159 as a fraction
  91. Pre Algebra

    can you teach me how to do math? please
  92. 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.
  93. 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?. ASSUME YOU SLEEP 8 ...
  94. 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
  95. geometry

    given: angle 1 is congruent to angle 2, angle measure 1=120 prove: angle measure 3=120
  96. Pre-Algebra

    So I figured out the answers and ways to help you out. 1. -4x + 5 + 9x - 2 x = 6 Should equal 33 I Work Ex. -4x + 9x 5 + (-2) 5x + 3 5(6) + 3 30 + 3 » 33 - I 2. Should equal -26 E 3. Should equal 40 S 4. Should equal -69 R 5. -16 I 6. 12 H Then we go to #7. 9x - 2 (x+6) ...
  97. Math

    So I figured out the answers and ways to help you out. 1. -4x + 5 + 9x - 2 x = 6 Should equal 33 I Work Ex. -4x + 9x 5 + (-2) 5x + 3 5(6) + 3 30 + 3 » 33 - I 2. Should equal -26 E 3. Should equal 40 S 4. Should equal -69 R 5. -16 I 6. 12 H Then we go to #7. 9x - 2 (x+6) ...
  98. physics

    For constructive interference d sinQ=ml=2x460nm=920nm For destructive interference of the other light, we have d sinQ=(m’+1/2)l When the two angle are equal, then 920nm=(m’+1/2)l l=1.84x103 nm for m’=0 l=613 nm for m’=1 l=368 nm for m’=2 The only ...
  99. Math(place value numberation)

    what 1min 38.29
  100. Maths-Algebra.

    z=6.75?
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