Lidia

Popular questions and responses by Lidia
  1. Organic Chemistry

    How do I write a balanced equation for the synthesis of benzoic acid using the grignard reagent. To make the grignard reagent I used 0.5g of Mg, 2 ml of ether, and 3.9g of bromobenze. then to make the benzoic acid I used CO2 and H3O+. I will really

    asked on February 10, 2012
  2. physics

    A car of mass M = 800kg traveling at 40.0km/hour enters a banked turn covered with ice. The road is banked at an angle θ, and there is no friction between the road and the car's tires. (Figure 1) . Use g = 9.80m/s2 throughout this problem. Part A What is

    asked on October 15, 2013
  3. math!!!!

    One lap around the track is equal to 1/8 of a mile. A horse ran a distance of 9 laps in 2 minutes and 30 seconds. What was the horse's average speed in miles per minute?

    asked on February 9, 2014
  4. Chemistry

    A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?

    asked on April 15, 2013
  5. math

    A bookshop had 60 boxes of pencils. Each box contained 85 pencils. Half of the pencils were packed into packets of 25 pencils and the rest were packed into packets of 20. How many packets of pencils were there altogether? My answer is 229 am i right? How

    asked on March 18, 2013
  6. math

    Mary bought a roll of ribbon.After using 5/8 of the ribbon to decorate some packages,she had 15ft of the ribbon left.How many feet of ribbon did she buy?

    asked on November 8, 2011
  7. science(Ms.Sue)

    Both owls and hawks live in the same ecosystem.they both hunt and kill mice, voles and rabbits.how can both types of predators find enough food in the same ecosystem? a)they are active in different areas. b)they are active at different times. c)they

    asked on August 13, 2012
  8. MATH PLEASE HELP!!!!!

    There are 36 buttons in a jar. There are 3 times as many red buttons as white. 1. how many white buttons are there? 2. how many red buttons are there? My answer is 6,am i right?

    asked on August 18, 2011
  9. aig math (Ms.Sue)

    a box containing 6 candy bars weighs 2.34 kg.When the box is empty it weighs 0.06 kg. find the weight of one candy bar? my answer is 0.38 am i right if not please tell me why and how.

    asked on August 11, 2012
  10. (aig)math(Ms.Sue)

    twelve pails of the same size were used to fill a tank with water.the capacity of the tank was 42 gallons.find the capacity of each pail.hive your answers in gallons and quarts.

    asked on April 9, 2012
  11. math AIG (Ms.Sue)

    Find the range,median,mode,and mean. 97,88,93,90,85,100 range:_ median:_ mode:_ mean:_

    asked on November 14, 2011
  12. SCIENCE HELP!!!!

    ICice scraps and loosens rock particles.what is this an example of? a chemical weathering b biological weathering c mechanical weathering d biological and chemical weathering my answer is c,am i right?

    asked on September 1, 2011
  13. math

    what is the sqare root of =9?

    asked on July 10, 2010
  14. Algebra

    John can paint a house in 10 hours. Adam can paint the same house in 15 hours. A. Write an equation that can be used to find the time in hours, t, it would take John and Adam to paint the house together.

    asked on March 27, 2017
  15. ,ath

    Mr. Riley can make a profit by raising AT LEAST 50, but no more than 150, cattle. If c represents the number of cattle, write the inequality that best expresses the situation.

    asked on September 23, 2016
  16. pre-algebra

    A band will cell CDs of their music at their concert for $5.00 each. The band ordered 300 CDs at a cost of 1.25 each. Which inequality represents the number of CDs,n, the band needs to sell to make a profit of at least $500? A) n≥175 B )n≥100 C)

    asked on December 10, 2014
  17. programming

    Create three (3) one-dimensional arrays: Item Number, Quantity-on-hand and Unit Cost for 15 items. Input data into all the arrays. After the data is entered, read an arbitrary number of records containing an item number and quantity-ordered. If the

    asked on February 21, 2014
  18. math

    the sum of a number and four is -8 write in algebraic equation

    asked on October 21, 2013
  19. math

    the sum of a number and four is -8 write this in algebraic expression

    asked on October 21, 2013
  20. physics

    A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.00m/s2 . Part A Over a 6.50s interval, what is the work done by the lifting force? Part B What is the work done by the gravitational force? Part C What is the work done by

    asked on October 17, 2013
  21. physics

    If a 14N force is used to compress a spring with a spring constant of 5.0×102N/m , what is the resulting spring compression?

    asked on October 17, 2013
  22. physics

    A spring has a spring constant of 25N/m . Part A How much work is required to stretch the spring 2.0cm from its equilibrium position?

    asked on October 17, 2013
  23. Physics

    Imagine that you swing about your head a ball attached to the end of a string. The ball moves at a constant speed in a horizontal circle. Part A If the mass of the ball is 0.160kg and you supply a tension force of 14.5N to the string, what angle would the

    asked on October 15, 2013
  24. math(Ms.Sue)

    5 students are trying out for the debate team. There are 3 available spots for the team.How many combinations of teams can the debate team make My answer is 15 am i right? If not please tell me your answer and how you got it

    asked on October 3, 2013
  25. math(Ms.Sue)

    4m minus 5

    asked on September 25, 2013
  26. math(Ms.Sue)

    what are the possible outcomes for rolling one number cube?

    asked on September 5, 2013
  27. math(Ms.Sue)

    Josh poured 38 gallons of water into 6 buckets. He poured the same amount into each bucket. How much water did Josh pour into each bucket? please show your work.

    asked on September 5, 2013
  28. aig math(Ms.Sue)

    Your school librarian has asked your class for some help on the purchase of some new bookcases with 2 shelves each. She has 300 new books she needs to shelve. 1/2 of the books are half an inch thick. 1/3 of them are 1/4 of an inch thick, and the rest are

    asked on April 8, 2013
  29. math(Ms.Sue)

    The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?

    asked on March 25, 2013
  30. aig math

    The ratio of Tim's marbles to Joe's marbles to Matt's marbles is 8 : 6 : 9. If Tim and Joe have 84 marbles altogether, how many marbles does Matt have? Show your work please?

    asked on March 25, 2013
  31. math

    The total capacity of 2 water bottles, A and B, is 680 ml. The ratio of bottle A's capacity to bottle B's capacity is 4:6. How much larger is bottle B's capacity than bottle A's? My answer is 136, am i right?

    asked on March 18, 2013
  32. aig math

    Janet has 73 coins. Linda has 28 more coins then Janet, but 17 fewer coins than Alan. Sam has 33 fewer coins than Alan. How many more coins does same have than Janet? My answer is 12 coins, am i right? If not please tell me your answer and how you got it.

    asked on March 10, 2013
  33. science

    Which of the following gives off more energy than it absorbs? melting ice, burning propane in a gas heater, sublimation of carbon dioxide to carbon dioxide gas, recharging a car battery

    asked on February 19, 2013
  34. aig

    Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.

    asked on November 3, 2012
  35. math

    Judd paid 182 dollars for a thermos, a blender, and a microwave. The blender cost 35 more dollars than the thermos. the microwave cost 65.50 more than a blender. Find the cost of the blender? please show your work.

    asked on November 3, 2012
  36. science

    Which of the following has the greatest effect on the formation of rain or snow? A)cloud cover C)air pressure B)humidity D)temperature My answer is C) am i right, if not please tell me what you got.

    asked on October 30, 2012
  37. aig math

    Rosa and Marty had the same amount of money.After Rosa spent $45 and Marty spent $117, Rosa had 4 times as much money as Marty. How much money did Rosa have at first? I don't know the answer to this one so can you show me how you got your answer and what's

    asked on October 21, 2012
  38. 5th grade math

    cam had 35 more coins than kip. She gave he share to kip who divided all the coins equally into 3 stacks. If each stack has 45 coins,how many coins did cam have at first? My answer is 85, am i right if i am right please show me how you got the answer?

    asked on October 21, 2012
  39. math(please help)

    tony borrowed some money from Joe. he spent $5.50 of it on lunch and half of the on a movie ticket. To repay, he borrowed $10 from art.If tony started and ended with no money, how much did he borrow from Joe

    asked on September 26, 2012
  40. aig math (Ms.Sue)

    Cassie made 2 different beverages to serve at her party. The difference in the amount of the 2 beverages is 1965 ml.If the smaller amount is 3550 ml, what was the total amount of beverages Cassie had at the party? my answer is 9075 ml am i right?

    asked on September 15, 2012
  41. aig math (Ms.Sue)

    At the pet store ruth bought 5 rawhide bones and 3 dog collars.She gave the cashier 90$ and received $6 in chage.If a dog collar costs 3 times as much as a bone find the cost of one dog collar. My answer is 63 am i right if not please show me why and how.

    asked on September 10, 2012
  42. aig math(please answer)

    4 kg of apples and 1 kg of berries cost $5.75 altogether. 2 kg of apples and 1 kg of berries cost a total of $3.25.How much must i pay to buy 5 kg of apples and 5 kg of berries?please show work. my answer is $10.50 am i right if not please tell me why and

    asked on September 1, 2012
  43. math(please help)

    mr.wilson charges 215 dollars a month to board horses. if he boards a total of 25 horses,how much money will he earn? please show your work. my answer is 5,375 am i right if not please tell me why and how.

    asked on August 26, 2012
  44. aig math(please answer)

    three bothers earned a total of $3,500. larry earned twice as much money as jim while adam earned half as much money as jim. how much money did jim earned? please show your work. my answer is 1000 am i right if not please tell me why and how.

    asked on August 26, 2012
  45. aig math

    a factory had 1080 shirts and pants altogether.after donating 60 pants to charity the number of shirts it had was three times the number of pants left.how many pants did the factory have at first/ my answer is 315 am i right,if not please tell me why and

    asked on August 19, 2012
  46. aig math

    the sum of 2 numbers is 77. one number is 2 1/2 times as big as the other number.find the difference between the 2 addends.please show how you got your answer. my answer is 72.6, am i right if not please tell me why and how.

    asked on August 18, 2012
  47. aig math

    the sum of 2 numbers is 35. one number is 2 1/2 times as big as the other number. find the difference between the 2 addends. please show how you got the answer.

    asked on August 16, 2012
  48. aig math

    14 1/6 - 5 4/5 my answer is 8 11/30 am i right? if not please tell me why and how.

    asked on August 11, 2012
  49. aig math

    estimate the value. 1705*31

    asked on August 9, 2012
  50. aig math (please answer Ms.Sue)

    Albert bought 28 compact discs for $805.give a quick estimate of the cost of each compact disc.

    asked on August 9, 2012
  51. science(Ms.Sue)

    what does a maple tree do for a community A)it creates energy C)it looks nice B)it creates food D)it stores water my answer is B) am i right, if not tell me why please.

    asked on August 8, 2012
  52. aig math (please answer Ms.Sue)

    other than the digit 3, what is a number that could belong in the box? 1'3=1___ "1'3" is in exponents my answer is 1 am i right if not tell me why

    asked on August 6, 2012
  53. math aig

    mark has 48 marbles.5/12 of them are blue and 1/2 of them are yellow.how many more yellow marbles than blue marbles does he have? my answer is 8,am i right.if not how.

    asked on April 30, 2012
  54. math aig

    Tyrone rounded 23.94 to 24.How did he round? A to the nearest hundredth B to the nearest tenth C to the nearest one D to the nearest ten my answer is c am i right.

    asked on April 29, 2012
  55. math

    which unit would be BEST to use to measure the time it takes a school bus to drive from its first stop to school? a)hour b)week c)month d)second

    asked on April 15, 2012
  56. (aig)math(Ms.Sue)

    a string 28 yards long is cut into 10 equal pieces.what is the length of each piece?write your answer as a fraction and as a decimal.

    asked on April 9, 2012
  57. Aig math (ms.sue)

    A bucket can hold 6 liters of water.If it is 3/4 full,how many liters of water does it contain?

    asked on March 13, 2012
  58. government

    How can presidential power as commander-in-chief restrict congressional power?

    asked on January 16, 2012
  59. math (Ms.Sue)

    the town is going to divide the community gardens into rectangler plots that are 3 yards * 15 yards.how many plots will the community gardens have?what is the area of each plot? please explain how you got the answer.

    asked on December 27, 2011
  60. math (Ms.Sue)

    Bella planted 7 marigolds in each of the 8 rows in her garden.Then she planted 2 tulips in each of the rows.If she bought 60 marigolds in all,does she have any remaining?If so,how many? My Solution: 7*8=56 60-56=4 4 is my answer am i right?

    asked on December 1, 2011
  61. science(Ms.Sue)

    What does a maple tree do for a community? A)it creates energy B)it creates food C)it looks nice D)it stores water My answer is b,am i right?

    asked on November 20, 2011
  62. science(Ms.Sue)

    What term almost always describes top consumers? A)herbivores B)omnivores C)carnivores D)producers My answer is B am i right,if not please explain?

    asked on November 20, 2011
  63. science

    How does soil most impact living things? A. different soils cause temperature extremes. B. different soils support different types of plants. C. different soils absorb different amounts of sunlight. D. different soils are different colors. My answer is B

    asked on November 2, 2011
  64. Social Study

    How was the Virgina Colony different from the Plymouth Colony?

    asked on September 28, 2011
  65. science

    which of the following is the best way to minimize weathering and erosion? A. building suburbs B. grazing livestock C. setting fires D. replanting vegetation My answer is D am i right?

    asked on September 15, 2011
  66. MATH

    give a range of numbers that round to: 60 700 580 2300

    asked on September 13, 2011
  67. MATH HELP!!!!

    Give the range of numbers that will round to: 60 700 580 2300

    asked on September 13, 2011
  68. SIENICE HELP!!!!

    What would cause the most erosian? A)a small amount of water moving over a steep slope B)a small amount of water moving over a flat area C)a large amount od=f water moving over a steep slope D)a large amunt of water moving over a flat area My answer is

    asked on September 12, 2011
  69. SIENICE HELP!!!

    Where along a river does deposition most often occur? A)along the manks B)at the mouth C)in a tributary D)in a meander My answer is B,am i right?

    asked on September 12, 2011
  70. SCIENCE HELP!!!!!

    How do weathering and erosion change landforms over time? A. they tear them down B. they build them up C. they make them prettier D. they do not change them much my answer is b,am i right?

    asked on September 1, 2011
  71. science please help!!!!!!

    which of the following is the result of water erosion? a sand dune b landslide c desert d canyon my answer is a am i right?

    asked on September 1, 2011
  72. MATH PLEASE HELP!!!!!

    Find the value of this expression. 70+40/5*4

    asked on August 25, 2011
  73. Math PLEASE HELP!!!!

    In march 2005,about 35,200,000 immigrants were recorded as living in the United States.What place was this number rounded to?

    asked on August 10, 2011
  74. math

    round 189,499,000 to the nearest millon

    asked on August 9, 2011
  75. math

    Round this number to the nearest million. 43,700,00?

    asked on August 9, 2011
  76. MATH

    some pennies were on the table.erin saw that 56 were heads up and 44 were tails up.what fraction of the pennies were hrads up? A.56/100 B.44/100 C.56/44 D.44/56

    asked on May 10, 2011
  77. math

    1.13s-s=_ 2.d+2d+d=_

    asked on April 4, 2011
  78. english

    THESIS Facebook can have negative approaches such as facebook addicton, unsecure privacy, less social interaction, and causes problems with relationships,therefore i believe facebook should be limited by parents and by the users. is this a good enough

    asked on March 31, 2011
  79. english

    i need help writting a thesis statement

    asked on March 31, 2011
  80. length

    19=what yards? what foot?, or what yards?

    asked on March 16, 2011
  81. MATH

    18-3(2*2)WHAT IS THE ANWSER

    asked on March 15, 2011
  82. math

    what is the answer to 18-3(2times2)?

    asked on March 15, 2011
  83. math

    there are 8 tiles in a bag students get 1 tile.What are the possible outcomes

    asked on March 7, 2011
  84. penn foster child growth and development

    when you fail to remember something due to retrieval failure,the fault is likely to reside in? a.short term memory b.sensory input errors c.long-term memory d.one of the sensory registers

    asked on April 22, 2010
  85. Algebra

    Give an ordered pair (m,n) of numbers that satisfy the following equation 2m + n = 1

    asked on February 25, 2010
  86. Math

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of

    asked on February 25, 2010
  87. music

    in music i need to find out about Poulenc. his date of birth- 7th january 1899 when he died- 30th january 1963 what nationality- Paris , France his musical group - Les Six are these answers right. thankyou for the help

    asked on January 24, 2009
  88. language

    what is a compound predicate????and what is simple predicate??/

    asked on October 3, 2007
  1. heath

    I really need to know if hes right I can not fail I am with Conexus on unit 2 lesson 5 and its a test so is this is the lesson answers he gave???

    posted on October 28, 2019
  2. 3rd grade math

    jill is going on a trip from chicago to omaha tu tulsa bill will travel from dallas to pmaha. how much farter will jill travel than bill?dallas- omaha -644chicago -omaha-459 tulsa-omaha-387

    posted on October 16, 2018
  3. Algebra/Math

    So it's C, right?

    posted on September 29, 2018
  4. MATHS STATISTICS

    WHAT'S THE NULL???!!!

    posted on September 29, 2018
  5. Math

    THE ANSWER IS 75 1/3 of 75=25 75-25=50 50+25=75

    posted on May 9, 2017
  6. Math

    Bro can't you just look it up it doesn't look difficult lmao

    posted on March 27, 2017
  7. math

    no

    posted on October 21, 2013
  8. math

    my answer is x+4 if i am not write give me the answer

    posted on October 21, 2013
  9. 3rd grade math

    i have 6 thousands 12 tens 9hundres 10 ones

    posted on January 28, 2013
  10. 5th grade math

    sorry to bother you again but i forgot to ask you one more question. i hope you don't mind. Rosa and Marty had the same amount of money.After Rosa spent $45 and Marty spent $117, Rosa had 4 times as much money as Marty. How much money did Rosa have at

    posted on October 21, 2012
  11. 5th grade math

    I need you to answer one more question that i do not know the answer to every single time. Nan bought 10 plates and 5 mugs. Each mug cost 1/3 the price of each plate.If she paid $450 and received $30 in change, how much did each mug cost? Please show you

    posted on October 21, 2012
  12. 3rd grade

    identify the property 25+___=25

    posted on October 9, 2012