1. physics

    Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless planes: a) What is the acceleration of the blocks? b) What is the tension in the cord? c) Which way will the system move when the blocks are released from rest?

    asked by ATT on March 17, 2018
  2. social problems

    Justin makes a comfortable living as a construction worker. Other people who were in high school with him have bigger houses and drive fancier cars. Justin thinks he deserves to have more money, so he begins to make plans to rob a bank. What theory of

    asked by robby on June 2, 2014
  3. amerian history

    What was the goal of Americanization programs in settlement houses? A. to combat the belief that native-born white Americans were superior to newcomers B. to help newcomers learn English and adopt American dress and diet C. to blend traditions from

    asked by Anonymous on April 20, 2016
  4. SraJMcGin

    28. China is overpopulated, …. is worrying. (A) that which (B) what (C) how (D) which 29. Italy is …. considered as a family-oriented country. (A) not longer (B) no longer (C) not more (D) no any more 30. Most countries …. find new solutions. (A) are

    asked by mk-tintin on January 31, 2008
  5. English

    1. In formal writing, abbreviations ________. A. can be used sparingly B. should never be used C. can be used depending on the instructor's preference D. can be used depending on the discipline 2. A paragraph contrasting two teachers in which the first

    asked by Jay on April 2, 2015
  6. physics

    A wooden artifact is found in an ancient tomb. Its carbon-14 activity is measured to be 60.0% of that in a fresh sample of wood from the same region. Assuming the same amount of carbon-14 was initially present in the wood from which the artifact was made,

    asked by soojung on February 16, 2007
  7. maths

    If an amount of Rs 10,000/- is invested at a simple interest of 12% per annum, how much it will become at the end of 5 years ? And if this amount is invested at a compound interest of 10% per annum (the interest being compounded on yearly basis), how much

    asked by sadhana thakur on June 7, 2014
  8. Algebra (Age Problem)

    Five years ago Rico's age was half of the age he will be in eight years. How old is he now?

    asked by Nikko on February 11, 2014
  9. Math

    What is 9weeks and 5 days - 1 week and 6 days. Also what is 1 decade and 8 years - 9 years

    asked by Essence loves math on March 21, 2016
  10. Math

    Lyn is 7 years old. Rose is 2 years less than twice as old as Lyn. What is the sum of their age?

    asked by mary on January 7, 2013
  11. math

    samir is twice as old as babul was two years ago.if the difference is 2 years how old is samir is?

    asked by tish on October 25, 2017
  12. Math

    Travis is 19 years older than his sister Linda. In 4 years, he will be twice as old as Linda. How old is each of them now?

    asked by Anonymous on February 8, 2017
  13. math

    Sam is four years younger than Jo. But in five years' time Jo will be twice Sam's age now. How old are they now?

    asked by bob on July 7, 2015
  14. math

    Sanjeev is twice as old as his son.If after four years he will be four times as old as his son was 9 years ago ,how old is each now ??

    asked by TUHITUHI on October 6, 2012
  15. Math

    Three birds have a combined age if 76 years old. One bird is 10 years old. The second is twice as old as the third bird. How old are they?

    asked by Amy on November 7, 2016
  16. algebra

    Travis is 19 years older than his sister Danielle. In 14 years, he will be twice as old as Danielle. How old is each of them now

    asked by larry on October 17, 2016
  17. Algebra

    Greg is 16 years older than his sister Barbra. In 13 years , he will be twice as old as Barbra. How old is each of them now ?

    asked by Giovanna on September 20, 2016
  18. Algebra

    Kevin is 20 years older than his sister Joan.In 14 years,he will be twice as old as Joan.How old is of of them now?

    asked by Nabela on April 1, 2017
  19. Maths

    The age of two children are 11 and 8 years in how many years him will be the product of their age be 208

    asked by Silver on July 1, 2015
  20. math

    Jack is twice as old as he was 5 years ago. His mother was then six times as old as he was. She is now 35 years old. how old is jack?

    asked by mary on December 5, 2011
  21. math

    Sanjeev is twice as old as his son.If after four years he will be four times as old as his son was 9 years ago ,how old is each now ??

    asked by TUHITUHI on October 6, 2012
  22. general ability

    Stephen is 14 years old. In 13 years time he will be 3 fifths as old as his father will be then. How old is his father now? a) 32 b) 27 c) 26 d) 30

    asked by cindy on February 19, 2008
  23. English

    1. I have lived in New York for 12 years. 2. I have been living in New York for 12 years. ---------------- #1 is grammatical? What about #2?

    asked by rfvv on July 9, 2014
  24. History

    I need help with these two questions, (it's talking about South Carolina) 1. A two-thirds vote of both houses will pass a bill over the governors veto. true or false 2. If the house makes changes, the bill goes back to the original house for a vote. true

    asked by HI there on June 3, 2016
  25. Chemistry H

    60.0 grams of Th-210 with a half life of 50,000 years is allowed to decay for 250,000 years. How much of the original quantity remains? In addition, Th-210 decays via beta emission. Write the equation for its transmutation.

    asked by c on June 21, 2013
  26. Business maths

    An amount of k20.000 is invested for 5 years in a credit union which pays an annual untreated rate of 4.5 percent. Find accumulated value after 4 years if intrest rate is a: annually b:semi annually c:quarterly e:monthly

    asked by Margaret on August 18, 2016
  27. math

    a company will need $30.000 in 7 years for a new addition. To meat this goal the company deposits money in an account today that pays 7% annual interest compounded quarterly. find the amount that should be invested to total $30.000 in 7 years?

    asked by Michelle on November 28, 2014
  28. English

    Can you give me a good topic for 30 minute discussion in German language? I just want to warn you that the class is pretty lazy, unmotivated, always sleepy and uninterested. They are 18 and 19 years old and are learning German for 9 years as a foreign

    asked by Mark on January 26, 2012
  29. Calculus

    Salary Contracy - A union contract guarantees a 10% salary increase yearly for 3 years. For a current salary of $28.00, the salary S (in thousands of dollars) for the next 3 years is given by... S(t)= 28.00, 0

    asked by CeeCee on September 5, 2011
  30. Math

    The amount of an investment of P dollars for t years at simple interest rate r is given by A= P+Prt a) Rewrite this formula by factoring out the greatest common factor on the right-hand side. b) Find A if $8300 is invested for 3 years at a simple interest

    asked by Roger on March 4, 2009
  31. Math 116

    The formula R= -0.075t + 3.85 can be used to perdict the world record in the 1500 meter run, t years after 1930. Determine an inequality that identifies the years in which the world record will be less than 3.4 minutes. Soleve for t. t >__? round to the

    asked by Melody on October 2, 2009
  32. MTH 157

    A company will need $50,000 in five years for a new addition.To meet this goal the company deposits the money in an account today that pays 4% annual interest compounded quarterly. Find the amount that should be invested to total $50,000 in 5 years. Thanks

    asked by Kim on July 31, 2015
  33. Maths

    Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy. Find the age of the father. And the age of the son.

    asked by Buma on December 7, 2017
  34. Science

    1. Kudzu, a nonnative species, was brought to Georgia for decorative purposes. It is a vine that grows quickly and covers anything in its path. It can also grow on trees and block the sunlight. How is kudzu an environmental issue for Georgia? Kudzu can

    asked by Madison on April 26, 2017
  35. statistic

    Sam pays $740 for his house, and he wants to see if he pays too much. He asks people who live on the neighborhood with the similar house sizes, and 10 of the people give him their prices. It is found out that the mean and standard deviation of the 10

    asked by Ibrahim on November 14, 2016
  36. Scientific Question

    Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

    asked by Nina on September 4, 2012
  37. Help! Science....

    Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

    asked by Mae on September 5, 2012
  38. science... Help me urgent!!

    Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

    asked by Mae on September 5, 2012
  39. Science

    Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of

    asked by Mae on September 5, 2012
  40. Algebra

    In 1991, the life expectancy of males in ceetain country's was 73.3 years. n 1996, it was 75.8 years. Let E represent the life expectancy in year t and let t reprsent the number of years since 1991. The linear fuction E(t) that fits the data is E(t)=

    asked by Kin on July 7, 2010
  41. Math

    (a) Themba wants to deposit a sum of money into a savings account so that he will have R30 000 in 3 years time for an overseas holiday how much money must he deposit into the account if the interest paid on the savings is 8,5% p.a (b) R1 000 is deposited

    asked by Lesedi on August 26, 2014
  42. Finance

    Seven years ago a semi-annual coupon bond with a 10% coupon rate, $1,000 face value and 15 years to maturity was issued by Corn Inc.. Teddy bought this bond two years ago when the market interest rate was 12%. And now the market interest rate is 5%. If

    asked by Dan on November 15, 2012
  43. math

    Stacey is x years old. Ali is four years less than three times Stacey's age. Carli is 10 years more than twice Ali's age. What is the age difference between Stacey and Carli? a. 2x+6 b. 3x-4 c. 3x+6 d. 5x+2 e. 6x+2 please answer and explain

    asked by Tomas on October 24, 2013
  44. algebra help

    The line graph below shows the number of stray dogs in a certain city for the years listed the bar graph shows the years in 1998 5 stray dogs 1999 2 stray dogs 2000 6 stray dogs 2002 8 stray dogs 2003 9 stray dogs Between which two years did the greatest

    asked by Amanda on April 13, 2007
  45. Physichs

    Two metal disks, one with radius R1 = 2.40 cm and mass M1 = 0.900 kg and the other with radius R2 = 4.95 cm and mass M2 = 1.50 kg , are welded together and mounted on a frictionless axis through their common center. A light string is wrapped around the

    asked by 121 on December 11, 2015
  46. Physics

    Determine the direction of frictional forces (left, right, up down) for the objects: 1) A cup resting on top of a car. The car is moving and accelerating to the right. Up - This one I'm not sure but I think up because the frictional force would have to go

    asked by Rebecca on September 17, 2015
  47. english

    Middle Ages 2 Questions PLEASE HELP In what way is the character of Sir Gawain different from other epic heroes such as Beowulf? What is ironic in the words used by the narrator to describe the Summoner in “The Prologue” to The Canterbury Tales?

    asked by mara on February 2, 2018
  48. English

    In matching vocabulary for the constitution I can not figure out the last two. CHOICE OF WORDS " perfidy and usurpations" which goes in each BLANK 1. We have already seen " circumstances of cruelty and ___________ scarcely paralleded in the most barbarous

    asked by liz on September 30, 2007
  49. English

    Here are the other phrasal verbs I need you to check (tell me of they are possible or of other are more often used) and which I also have to rephrase. Thank you very much! 1) Get your clothes off: they are all wet. 2) Get all that mess off your desk. I

    asked by Henry2 on February 12, 2012
  50. Statistics

    The average age of chemical engineers is 37 years with a standard deviation of 4 years. If an engineering firm employs 25 chemical engineers, find the probability that the average age of the group is greater than 38.2 years old. If this is the case, would

    asked by Anonymous on October 18, 2010
  51. Check My work ( math)

    1.) Years: 1 2 3 4 5 6 7 8 Height: 2.1 3.2 6.8 7.3 11.2 12.6 13.4 15.9 about about tall would you expect these trees to be after 22 years ? a.)22.31 ft b.)35.2 ft c.)44.25**** d.)46.2ft 2.)temp:68 77 83 85 89 94 96 99 number of cones:403 447 457 465 489

    asked by Beth on January 7, 2016
  52. calculating annuity

    IF a company will generate 80,000 in annual revenue each year for the next eight years and the interest rate is 8.2% what is the present value of the savings? An EXCEL spreadsheet will be helpful for these types of calculations. Let S1 be savings in year

    asked by Ms. Renee on July 12, 2006
  53. English

    Identify each preposition and each prepostitional phrase. 1. Salt Lake City, Utah's capital and largest city, was founded in 1847. (in 1847 is the prepositional phrase.) 2. Janice and Carla spent the day at the mall. prespostition is mall, don't see a

    asked by Anonymous on February 27, 2014
  54. history

    (south Carolina) 1. a two-thirds vote of both houses will pass a bill over the governor's veto. True** false 2. if the house make changes, the bill goes back to the original house for a vote. true false**

    asked by mehhhhhh202 on May 3, 2017
  55. statistics

    the average yearly utility costs on Middleton is $1722 with stdev of 146. assume that the utility costs follow a normal distribution. 1) What would the utility costs have to be so that only 7% of houses in Middleton have utility costs greater than this

    asked by niki on September 29, 2014
  56. algebra and elementary trigonomentry

    The houses at a particular street are assigned consecutive even number. If no house is omitted, find the number assigned to the 80th house in the street

    asked by kunfayakun on December 24, 2017
  57. Math

    There are 2 opaque bags, each containing red and yellow blocks. Bag 1 contains 3 red blocks and 5 yellow. Bag 2 contains 5 red and 15 yellow. To play the game, you pick a bag and then you pick a block out of the bag without looking. Would a person be more

    asked by Michelle on December 3, 2010
  58. math

    College is expected to cost $150,000 per year in 18 years, how much should you begin depositing annually at the end of each year to accumulate enough funds to pay the first years tuition at the beginning of the 19th year? earning 6% annual rate of return

    asked by Vanessa on December 16, 2011
  59. Economics

    Isabella buys a $1,000 bond that matures in 10 years (that is, she lends $1,000 to the U.S. Treasury for 10 years). The bond pays her $50 every year for 10 years. When the bond matures at year 10, she will receive her $1,000 back as well as her last

    asked by Anonymous on March 20, 2008
  60. Theories and issues in working with school-age chi

    The traditional term latchkey children refers to A. children who know how to properly use house keys. B. children who are between the ages of six and twelve. C. the key that children carry to open their door latch. D. the ability to be left alone at home.

    asked by Amanda on October 26, 2014
  61. history

    What were the requirements for Southern conscription laws? (Select all that apply.) All men ages 18 to 45 must enlist. Landowners with 20 or more slaves could avoid this draft. Slaves must serve in the Confederate Army. Native Americans could not serve. I

    asked by Michael on November 20, 2018
  62. Social Studies

    What info might included in a journal entry written by a midwife during the Middle Ages, including social class, clothing, housing, church affiliation etc. Also need some kind of physical evidence to submit. Thanks Thank you for using the Jiskha Homework

    asked by Mel on April 6, 2007
  63. algebra

    In 1995, the life expectancy of males in a certain country was 70.1 years. In 1999, it was 73.6 years. Let E represent the number of years since 1995. The linear function E(t) that fits the data is E(t) =_____ t +______.(Round to the nearest tenth) Use the

    asked by James on September 14, 2010
  64. language arts

    In the excerpt of Night, by Elie Wiesel, why did he urge his father to leave the camp with the others, despite having an injured foot? Question options: He wanted to ride a train. There were rumors that all invalids who stayed behind would be killed. none

    asked by kathy on October 24, 2018
  65. math

    how much would you have to pay each month to pay off a $32,000 remaining mortgage/30 years if you want to pay off in fewer than 5 years?

    asked by Sharon on July 25, 2014
  66. Math

    my sister is 5 years elder than me if my age is x years then what will be my sisters age write the age in terms of 'x'

    asked by Paris on October 18, 2016
  67. MATHS

    A school has an enrolment of 450 students.4\9 of them are girls.0•6 of the girls are below the age 8 years.How many girls are above 8 years?

    asked by Yannica on June 18, 2013
  68. English

    Not many years ago, I worked outside of the UK. ---------------------- In this sentence, what other expressions can we use in place of 'not many years ago'? Is it 'a few days ago'?

    asked by rfvv on October 28, 2014
  69. Math

    My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how

    asked by SherylA on September 28, 2006
  70. BUSINESS MATH

    Part B: The Crescent Corporation just paid a dividend of $2 per share and is expected to continue paying the same amount each year for the next 4 years. If you have a required rate of return of 13%, plan to hold the stock for 4 years, and are confident

    asked by t on December 8, 2014
  71. managerial accounting

    The expected average rate of return for a proposed investment of $500,000 in a fixed asset, with a useful life of four years, straight-line depreciation, no residual value, and an expected total net income of $240,000 for the 4 years, is A. 18% B. 48% C.

    asked by natasha on August 23, 2009
  72. Pre-Calculus

    The median salary for male workers for the years 1975-2006 can be modeled by the function thousand dollars, where x is the number of years from 1970. Find the minimum on the graph of this function between x = 10 and x =30 and interpret it.(Use the window

    asked by Glen on December 3, 2012
  73. geography

    Today, you can see events such as floods, battles, or spacecraft launches as they are happening. A hundred years ago, this would not have been possible. How do you think modern technology ( tv, computers, the internet)makes you think differently about this

    asked by vanny on November 25, 2009
  74. Bus Finance

    You want to purchase a home. cost $165,000. you have $40,000 downpayment. you want to finance rest at 3.5% for 15 years. how much will monthly mortgage be? How much in total will you pay over the 15 years even counting the downpayment? I came up with

    asked by allison on February 3, 2012
  75. Math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires. Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous on November 29, 2011
  76. Math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires? Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous on November 29, 2011
  77. math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires. Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous on November 29, 2011
  78. College Accounting

    A light truck is purchased on January 1 at a cost of $27,000. It is expected to serve for eight years and have a salvage value of $3,000. Calculate the depreciation expense for the first and third years of the truck's life using the following methods. If

    asked by Mill on August 15, 2013
  79. Algebra

    An isotope of Glopenium disintegrates according to the formula A(t) = Ao2^-0.0345t where Ao is the initial mass of the substance and t is the time in years. If there are 2 milligrams of Glopenium now, find the number of milligrams that will be left after

    asked by Loretta on October 21, 2011
  80. Math - Exponential

    Tests of an artifact discovered at the Debert site in Nova Scotia show that 28% of the original C14 is still present. Approximately how old is the artifact? 28% = 7/25 (7/25)P = Pe^(-5730k) (ln(7/25))/(-5730) = k 2.22 x 10^-4 = k (7/25)P = Pe^(-kt)

    asked by Anonymous on January 25, 2009
  81. history

    The major conflict(s) that the christian world had with the muslims during the middle ages was/were due to: A:the desire to spread the principiles of the koran B:the desire to form a government, ecenomic, and social system C: religious inspiration to wage

    asked by Lauren on May 30, 2009
  82. Carpentry

    Parts of a concerte block

    asked by TOM on January 31, 2010
  83. science

    Does sound go through a wooden block?

    asked by lucy on May 23, 2018
  84. English

    1. Will we use cars 20 years from now? 2. Will we use cars for 20 years from now? 3. Will we use cars for 20 years? 4. Will we use cars since 2002? 5.Will we be using cars 20 years from now? 6. Will we have used cars for 20 years from now? 7. Will we have

    asked by John on December 17, 2008
  85. Math

    Ok, last question for today. :) Tammy is eight years older than Debbie. Three years ago, Tammy was twice as old as Debbie. How old are they now? Need help finding the formula. Thanks

    asked by Larry on September 30, 2008
  86. precal

    If the half-life of a certain radioactive substance is 2000 years, estimate how many years must elapse before only 35% of the radioactive substance remains?

    asked by james on January 23, 2013
  87. Science

    How do I find out about tools used 100 years ago that are still used today? go to google and type intools used 100 years ago

    asked by Katie on March 6, 2007
  88. physics

    the half life of radium is 1600 years of 100 grams of radium existing now 25 grams will remain after how many years

    asked by Anonymous on May 4, 2017
  89. Math/Precal

    The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

    asked by Lucia on April 26, 2016
  90. Math

    Garrett is w years old. His mother is 4 times his age. His father is 3 years older than his mother. How old is Garret's father in terms of w

    asked by Sam o on November 14, 2015
  91. chem

    Cesium-137 has a half life of 30.0 years. If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will remain after 60.0 years?

    asked by brian on July 26, 2012
  92. math

    A sum of money invested at compound interest amounts to Rs.4,624 in 2 years and to Rs.4,913 in 3 years. The sum of money is:

    asked by Haroon Gondal on November 9, 2015
  93. Math

    The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

    asked by Shawn on April 27, 2016
  94. math

    john is the age that sally was 3 years ago,13 year old elissa is 3 years older than sally,how old will john be on his next birthday?

    asked by josh on April 6, 2013
  95. Math

    I don't get page 50 of algebra with pizzazz! Please help? 7) Kathy is 6 years younger than bill. 12 years ago bill was twice as old as Kathy was then. How old are they now?

    asked by Maria on January 3, 2011
  96. Algebra 2

    John is to receive $1000 at the end of each year for 5 years. If he invests each year’s payment at 8% annually, how much will he have at the end of 5 years?

    asked by Chelsea on August 25, 2011
  97. MATH HELP PLEASE

    CPI FOR 2013 AND FOR 5 YEARS FORM NOW 2018. PROJECT THE PRICE 5 YEARS FROM NOW ON DD COFFE @ $2.04/PER CUP IN 2013. WHAT WILL IT BE IN 2018?

    asked by th on November 25, 2013
  98. Geology

    There is also a graph i can't move it. Building Isochrons and Determining the Ages of Three Rocks Page 15 of 17 For each of the three rocks listed below follow these steps to determine the rock's age of formation. 1. Prepare an isochron by plotting the

    asked by Robin on January 13, 2013
  99. Religion

    could someone translate this into words that a teenager would use? All the believers were one in heart and mind. No one claimed that any of their possessions was their own, but they shared everything they had. 33 With great power the apostles continued to

    asked by Rebecca on April 14, 2011
  100. Marketing Management

    Describe a product that entered the market over the past two to three years and succeeded. Why did it succeed? Describe a product or service that you saw (or experienced) fail over the past five years. What factors influenced the failure? How did the

    asked by zeta on January 14, 2007