1. social studies

    Why did the people of the middle ages fought in the crusades

    asked by rashawn on October 18, 2011
  2. World History

    What institutions preserved learning in the middle ages?

    asked by Nuha Anwar on May 16, 2015
  3. statistics

    What level of measurment would i use for ages of the members of congress

    asked by Kristine on January 6, 2011
  4. history

    Was Tudor the last royal house of the Middle Ages?

    asked by Tabby on November 28, 2007
  5. biology

    how can i find the circulatory system of a marlin? please help me. i've been looking 4 ages....

    asked by google on May 22, 2010
  6. Social Studies

    Can anyone help me with a definition for Jewish people during the middle ages?

    asked by Lea on May 1, 2010
  7. Math

    Why could the mean of the data set below be misleading? ages of teachers: 29, 38, 39, 26, 29, 29, 39, 77, 38, 29

    asked by Missy on October 9, 2012
  8. math

    A couple has 4 children ages 9,6,4,and 1.What is the probability that they are all girls.

    asked by Amina on January 25, 2012
  9. social studies

    What was the main economic system in the middle ages

    asked by glenn on January 12, 2012
  10. Social Studies

    3. How long is the term of a senator? 2 years 4 years 6 years****** Life 4. What is the core function of the executor branch? To make laws To interpret laws To carry out laws To declare laws unconstitutional********

    asked by The Specters on December 4, 2015
  11. Physics

    At an instant the block(M = 33kg) is moving down the slope. Angle between slope and floor = 33deg Force Pulling up the slope 49N at 38deg to the slope What is the acceleration of the block up the slope if the kinetic coefficient of friction is 0.5? My

    asked by Jonathan on August 23, 2015
  12. physics

    A block starts with a speed of 18.0 m/s and slides for a distance of 2.2 m down a 40° ramp (muk = 0.43). What is its final speed? (m/s) Thanks for suggeting the following solution. The block starts with an initial speed of 18.0 m/s.Does it have any

    asked by sandhu on November 28, 2010
  13. physics

    A block of mass 2 kg is connected to a freely hanging block of mass 4 kg by a light and inextensible string which passes over pulley at the edge of a table. The 2 kg mass is on the surface of the table assumed to be smooth. Calculate the acceleration of

    asked by Samuel on January 12, 2013
  14. finance

    equipment cost $20,000 and is financed over a period of five years at an interest rate of 12%...What is the monthly payment...What is the loan balance at the end of four years and how much interest will have been paid on the loan after five years?

    asked by Loretta on December 1, 2010
  15. math

    1)what is the smallest integer greater than 1 that leaves a remainder of 1 when divided by any of the integers 8,9, and 10? 2) The square root of the difference of (B^2 /16) and (b^2/25) 3) Mr. Baker is 30 years old when his son is 4 years old. In how many

    asked by Jessica on March 28, 2018
  16. finacne

    cYou think that in 15 years it will cost $214,000 to provide your child with a 4-year college education. Will you have enough if you take $75,000 today and invest it for the next 15 years at 5%? d. If you can earn 5%, how much will you have to save each

    asked by shelly on October 27, 2013
  17. finance

    I give you a flat yield curve from 0 to 4 years: 2%. You have a five year swap contract that pays annually and want to use it to extend the curve to 5 years. How low can the swap par rate go before forward between 4 and 5 years goes negative?

    asked by sasi on April 4, 2015
  18. SUMMARY OF FINANCIAL TIME VALUE OF MONEY

    How much should you invest each month in order to have $800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? If you deposit the amount you need to achieve your goal in 20 years, how much will your savings

    asked by Anonymous on December 18, 2016
  19. Math

    Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x-2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31

    asked by Alle on November 8, 2016
  20. Geometry

    Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x-2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31

    asked by DON'T Skip Me pls on November 8, 2016
  21. Physics

    A 1.07 kg block slides across a horizontal surface directly toward a massless spring with spring constant 4,794 N/m. The surface is frictionless except for a rough patch of length 0.461 m that has coefficient of kinetic friction 0.358. The initial velocity

    asked by Jennifer on May 14, 2012
  22. physics

    Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in Figure P5.64. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µk = 0.25.

    asked by megan on March 3, 2011
  23. ehglish

    i need to know if i need to add any puctuation?Descriptive paragraph Deborah Paul A loyal Friend My loyal friend Mary Ellen is 48 years old with shoulder length black hair and dark brown eyes. Mary Ellen works full time as an RPN in a nursing home taking

    asked by deborah on February 4, 2010
  24. Math

    A pipe has an outside diameter of 1.25 inches and an inside diameter of 0.75 inches. If Kelly hacksaws the pipe in two, what fraction of the pipe cross sectional area is sawn when the blade breaks through to the inside?

    asked by Anonymus on February 28, 2011
  25. physics

    A bullet of mass 0.08kg is fired horizontally into a 10kg block which is free to move. If both bullet and block move with a velocity of 0.6m/s after the impact, find the velocity with which the bullet hits the body

    asked by Sarah on February 7, 2016
  26. chemistry

    A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g of water at 20.6 ∘ C . When the two substances reach thermal equilibrium, the final temperature is 26.0 ∘ C .What is the

    asked by k on July 3, 2014
  27. Chemistry Stoichiometry

    Sulfuric acid can dissolve aluminum metal according to the following reaction. Suppose you wanted to dissolve an aluminum block with a mass of 25.7 . How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

    asked by Brianna on October 27, 2012
  28. Physics

    A bullet with a mass of 10 imbeds itself in a wooden block of mass 3990g and is free to move. If the speed of the block and bullet together is 50 cm/s just after the impact what was the original speed of the bullet ? what was the right formula to use.? pls

    asked by Mary Grace on November 21, 2012
  29. Finance

    Someone in the 36 percent tax bracket can earn 9 percent annually on her investments in a tax- exempt IRA account. What will be the value of a one- time $ 10,000 investment in 5 years? 10 years? 20 years?

    asked by Emmitt on February 19, 2014
  30. Need Help Math

    5. Based on this pattern, h human years, how old is your dog in dog years? In other words, if given any number to figure out the age in dog years. Hint: (h-2) should be somewhere in your expression. I choose a large dog.

    asked by Rumble on January 15, 2018
  31. physics

    Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the

    asked by dave on November 9, 2011
  32. Physics

    Two blocks are attached by a thin inextensi- ble string over a frictionless, massless pulley. There is a frictional force between the block on the incline and the incline. The acceleration of gravity is 9.8 m/s2 . 13 kg 13 kg μ T 1.1 m/s 0 m/s2 39◦

    asked by Letisha on November 12, 2009
  33. physics

    A 500g block is released from rest and slides down a frictionless track that begins 2m above the horizontal. At the bottom of the track, where the surface is horizontal, the block strikes and sticks to a light spring with a spring constant of 20.0N/m. Find

    asked by AJ on August 10, 2011
  34. math

    the half life of the carbon isotope C14 is about 5700 years. A. about how many years does it take 1000 grams of this substance to decay to 500 grams? B. about what percent of the original amount would you expect to find after 1000 years?

    asked by becky on October 10, 2013
  35. Physics

    1.A bus travels 400 m between two stops. It starts from rest and accelerates at 1.50 m/s^2 until it reaches a velocity of 9.00 m/s. The bus continues at this velocity and then decelerates at 2 m/s^2 until it comes to a halt. Find the total time required

    asked by Anonymous on September 6, 2014
  36. mechanics

    You release a ball from rest attached to a string as shown in Figure A. The ball swings freely, and at the bottom of its circular path it strikes a stationary block. The block slides to the left with a speed of 4ms, and the ball bounces back to the right.

    asked by juanpro on July 6, 2014
  37. sociolinguistics-one more question

    i forgot to ask one more thing..what is a regional dialect?i can't find anything about that A regional dialect is the use of certain words and accents peculiar to a given region. Y'all, for instance, marks a southern U.S. speaker. The pronunciation of some

    asked by tea on June 17, 2007
  38. math

    A little help please, thanks. Kelly conducted an experiment. In each trial she flipped a coin and rolled a number cube that has sides labled 1 to 6. The results are shown above. What is the experiementl probability that her next flip will be tails? Trial

    asked by Mark on February 21, 2018
  39. Physics

    h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 3 9 3 5 9 3 ok heres the problem in a picture h t t p : / / i m g 1 9 2 . i m a g e s h a c k . u s / i m g 1 9 2 / 4 5 0 0 / c a p t u r e x x w . j p g ok I called the 4 kg

    asked by Kate on February 28, 2010
  40. college math

    You won the lottery. They will pay you 1 million dollars a year for 20 years. Assuming 10 percent interest compounded continuously, approximate the present value of your winnings by assuming the money is paid to you continuously over the period of each of

    asked by aj on March 15, 2011
  41. Finance

    Sam wants to start saving for retirement. She wants to have $85,000 per year for 25 years in retirement that will start in 40 years. How much must she deposit in equal annual amounts for the next 20 years if she can earn 9% over the life of her investment?

    asked by Jennifer on December 16, 2018
  42. Savings

    A. How much should you invest each month in order to have $800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? B. How much interest will you earn? C. If you deposit the amount you need to achieve your

    asked by McKellen on December 18, 2016
  43. Finance

    a client comes to you for an investment advice on his 500,000 winnings from the lottery. he has been offered the following options. what would be the best option 6% compounded interest quarterly for 5 years or 8% compounded annually for 5 years or 14.5%

    asked by Angel on June 30, 2012
  44. Physics

    Hi,I need help with question 1) There were twins on our planet earth. They were physicst. One of them were sent to space at his 20 year. When he comes back after 20 years of stay in the space he was 40 years but his brother who stayed on earth was 60 years

    asked by Lorry on October 23, 2011
  45. statistic

    A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.4 years, and standard deviation of 1.6 years. The 10% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal

    asked by moon on January 9, 2018
  46. physicis

    A block of mass m1 = 4.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 5.00 kg moving at 7.00 m/s. A massless spring with a spring constant k = 1220 N/m is

    asked by PCm on April 24, 2013
  47. Physics (Energy and Momentum)

    A block of mass m1 = 1.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 6.00 kg moving at 8.00 m/s. A massless spring with a spring constant k = 1320 N/m is

    asked by Andrew on April 17, 2012
  48. Physics

    Find an expression in terms of M, mu, and theta for the speed of waves on the string.Express your answer in terms of the variables M, mu, theta, and appropriate constants. The picture shown is just of a block with mass m on an inclined frictionless surface

    asked by Mel on November 27, 2012
  49. BUSINESS MATH

    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 that it

    asked by t on December 8, 2014
  50. Math Help Please!!!

    A couple purchased a house and signed a mortgage contract for $110,000 to be paid in “every second week “ installments over 25 years, at 3.0 %. The contract stipulates that after 3 years the mortgage will be renegotiated at the new prevailing rate of

    asked by Nieda on September 15, 2011
  51. Maths

    kelly is 140cm tall, that is just 4 cm short of twice as tall as her sister,how tall is her sister?

    asked by Emma on October 25, 2011
  52. *Repost* (sorry!) Health & PE HELP ASAP PLEASE!!!!

    1. A long term health benefit of regular physical activity is improved A. coordination B. reaction time C. ability to fight heart disease***** D. speed 2. Ginger and Kelly go to the same middle school in their town. Ginger rides her bike daily to and from

    asked by zumai on June 2, 2014
  53. Physics

    A wooden block floating in seawater has two thirds of its volume submerged. When the block is placed in mineral oil, 10% of its volume is submerged. ( a) Find the density of the wooden block. (The density of seawater is 1.024 g/cm3.) (b) Find the density

    asked by James on July 3, 2012
  54. physics

    The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.00 kg (N.B. as you know, the scale should read N, but no one told the manufacturer). The distances in the figure (which is not to scale) are: D1 = 9.0 cm, D2 = 8.0 cm, and

    asked by James on April 11, 2012
  55. Math

    In Kelly's career on the basketball team, she made 7 out of every 10 free throws. Last season, she made 168 free throws. How many free throws did she attempt?

    asked by Johnny on February 16, 2016
  56. Physics

    Problem:: A 4.80 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.5 N at an angle q= 17.5° above the horizontal. What is the speed of the block 3.90 seconds after it starts moving? What I've got:: Using sin

    asked by Christine on November 20, 2009
  57. grammar

    They were talking, though I couldn't hear what they were saying because they were on the far side of the gallery. They stopped in front of a case and I could see their faces quite clearly. They stood there looking at each other, not talking any more, and I

    asked by anonymous on September 11, 2007
  58. physics

    A block of mass M slides along the smooth wedge mass M.what will be the acceleration of centre of mass of block and wedge system?

    asked by rishab on September 9, 2014
  59. AP PHYSICS MECH.

    A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 440 m/s. A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest

    asked by vm on February 12, 2011
  60. Math

    Mary is as old as Mario will be when Mary is twice as old as Mario was when Mary’s age was half the sum of their present ages. Mario is as old as Mary was when Mario was half the age he will be 10 years from now. How old are Mary and Mario?

    asked by Ash__ on December 21, 2012
  61. Algebra 1

    The value of a certain new car (time = 0 years old) is $14,000. After two years (t=2), the value of the car is $9,000. A. Find the linear equation representing the car after t years. B. What is the value of the car after 5 years?

    asked by Alex on March 1, 2014
  62. PHYSICS

    A 4 kg block is pushed along the ceiling with a constant applied force of 85 N that acts at an angle of 55 degrees with the horizontal. The block accelerates to the right at 6 m/s^2. determine the coefficient of kinetic friction between the block and the

    asked by Christy on February 25, 2007
  63. Business Math

    Kelly Melcher Furnishings made purchases at a net cost of 36,458.00 after a series discountof 20/20/10. Find the list price. let the original list price be $x and now use this argument: after the first discount the price would be .8x -----> (100% - 20% =

    asked by Janean on May 15, 2007
  64. Math

    I need to find the value of x. 5(x-4) = 3(x+8) Trying to help my niece and haven't done this stuff for 20 years. :) 5(x-4) = 3(x+8) 5x - 20 = 3x + 24 5x - 3x = 20 + 24 2x = 44 x = 22 I hope this brings back the algebra you studied 20 years ago. :-) By the

    asked by Beth on August 6, 2007
  65. physics

    A 2.0kg block is sitting on a 15 degree incline. The coefficient of friction is 0.22. What is the minimum force needed to cause the block to accelerate UP the slope? The force applied has to be slightly greater than the force of friction (mu(mgCosTheta))

    asked by mclanee on September 13, 2006
  66. Physics

    diagram: big triangle mass m with the square angle bottom left and angle theta bottom right.no frition with the horizontal surface. Above that triangle a similar triangle mass m with a shorter hypothenuse (square angle top right, angle theta top left, no

    asked by Anonymous on January 10, 2014
  67. Accounting

    A woman would like to open a store in 8 years. She figures she will need 50,000 in capital to do so. She will make 10% on her money. a. How much would she need to invest today in one lump sum to end up with 50000 in 8 years? I got 23,325.25 b. if she's

    asked by Jeremy on April 2, 2012
  68. physics

    A large uniform block rests horizontally on two vertical supports(one support at the left end of the block and another at a distance from the other end) and has a weight hanging from its other end. The block has a mass of 100 kg and a length of 2 meters.

    asked by sandhya on October 16, 2010
  69. Classical Mechanics - Need Help Please

    A block of mass m= 3 kg is initially at rest on a horizontal surface. At time t=0, we begin pushing on it with a horizontal force that varies with time as F(t)=βt2, where β= 1.2 N/s2. We stop pushing at time t1=5 s [F(t)=0 for t>t1]. (a) First, assume

    asked by Jeff on December 8, 2013
  70. Read

    For the sentence "For this reason, the groups of small, decrepit houses were given his name", could another word for decrepit be run-down or old?

    asked by ****** on April 6, 2010
  71. Math

    If the house on a particular stretch of road are all the old numbers starting at 11, how many houses are there if the total all the numbers is 551?

    asked by Majiri on February 6, 2018
  72. Physics

    1. The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes 0.53 s for it to reach the floor. What is the mass m of the block on the left? There is no friction or mass in the pulley, and the connecting rope is very

    asked by Shelby on December 12, 2016
  73. math

    jake put $ 600 in the bank for 4 years at 2.5% interest a) how much interest will he earn after three years b) what is the total amount in his bank account at the end of three years

    asked by pranathy on May 11, 2010
  74. accounting

    Current spot rate curve is given by 1 year 2 years 3 years 4 years 0.5% 1% 1.4% 2.1% Provide a forecast of expected spot rates one year from today.

    asked by Anonymous on May 15, 2013
  75. MATH

    If C dollars are deposited in an account paying r percent annual interest, the amount after x years is A+C(1+r)*. Approximate the amount in the account after x years, when C=$100.00, r=19%, and x-15 years.

    asked by ANGEL on April 29, 2012
  76. Finance

    An annuity is developed and used based on the concept of time value of money. Please solve for the principle required when one retires so that a payment of $1500.00 is received each month for 30 years (360 months). Assume that the interest rate for the

    asked by John on June 9, 2012
  77. History

    what type of poverty occured in the early middle ages?

    asked by Anonymous on January 23, 2011
  78. World history

    Which religion was dominant in the Ottoman Empire during the Middle Ages?

    asked by Honey on November 3, 2018
  79. Math

    What is the probability that a randomly selected man between the ages of 55 and 64 does not have this disease

    asked by Kota on September 4, 2015
  80. Math

    What is the probability that a randomly selected man between the ages of 55 and 64 does not have this disease

    asked by Kota on September 4, 2015
  81. psychology

    what is the study called where the same people are tested repeatedly at different ages?

    asked by chris on December 5, 2012
  82. math

    A T-Rex has two children. Their ages are consecutive integers that total 33. How old are they both?

    asked by kelton on March 15, 2016
  83. Algebra II

    Sue is three times as old as her sister. In one year from now, their combined ages will be 22. How old are they now?

    asked by Bob on September 3, 2007
  84. algebra

    grandpa has 9 grandchildren. the following ages are 1 15 9 12 18 9 5 14 7. which statement does the data support

    asked by nadia on April 17, 2012
  85. program planning

    In this study unit, a child is considered a toddler between the ages of

    asked by Amanda on October 14, 2014
  86. Psychology

    what is the study called where the same people are tested repeatedly at different ages?

    asked by Sally on December 5, 2012
  87. 8th grade science

    Explain how the sun's temperature will change over time as it ages.

    asked by octavia on February 15, 2014
  88. World History

    Was the bubonis plague in the Middle Ages a blessing or curse?

    asked by Troy on April 13, 2010
  89. English

    (Thank you for your help in many ways. Would you look at the sentence? Is 'the same' in apposition with 'about 20 degrees C'? ) e.g. The temperature in cave houses is always the same, about 20 degrees C.

    asked by rfvv on August 31, 2011
  90. Physics

    1)An elevator is moving down with an acceleration of 1.40 m/s^2. A 14.5 kg block hangs from a spring balance fixed to the roof of the elevator. What is the apparent weight of the block? m*g+m*a 14.5*9.80+14.5*1.40 142.1+20.3 162.4 N 2)A 2.7 kg box is

    asked by Jon on April 16, 2008
  91. physics repost

    )An elevator is moving down with an acceleration of 1.40 m/s^2. A 14.5 kg block hangs from a spring balance fixed to the roof of the elevator. What is the apparent weight of the block? m*g+m*a 14.5*9.80+14.5*1.40 142.1+20.3 162.4 N 2)A 2.7 kg box is

    asked by Anonymous on April 16, 2008
  92. Math

    The sum of the age of a woman and her daughter is 46 years.In 4 years the ratio of their age will be 7:2.How many years time will the sum of their age be 66 years

    asked by Immanuella on October 18, 2018
  93. math

    A. John is now 10 years older than Marcus. Three times John's age 5 years from now will be the same as five times Marcus's age 5 years ago. How old is John now? B. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will

    asked by gary on July 14, 2013
  94. math

    there are 122 houses eacg has number on letter box ,how many times does the digit 2 appear on the letter boxes?

    asked by chantelle on April 29, 2012
  95. HiStOrY

    The urban poor lived in crowded (settlement houses,tenements) in the city's center. Is it tenements?

    asked by HELLO! on January 9, 2013
  96. Math

    if 6 houses has 6 cats which catch 6 rats and each rat has 6 fleas. how many fleas are there? Write and evaluaye the exponent.

    asked by Dam on January 13, 2016
  97. Social Studies

    1. The Middle Ages began with the collapse of the a. Renaissance b. Roman Empire c. Kingdom of Mali. d. Tang Dynasty 2. In the system of feudalism, who owns the land? a. vessels or knights b. peasants c. kings or lords d. priests 3. A lord's main duty

    asked by Please help on September 12, 2016
  98. Mechanics

    A block of mass m1 hangs vertically and is attached by a string to a block of mass m2 on a frictionless slope inclined at angle theta to the horizontal, as shown above. If m1 = 2.5 kg, it accelerates at -0.108 m/s2. If m1 = 0.8 kg, it accelerates at 2.888

    asked by Kevin on October 14, 2016
  99. Physics (Mechanics)

    A block of mass m1 hangs vertically and is attached by a string to a block of mass m2 on a frictionless slope inclined at angle theta to the horizontal, as shown above. If m1 = 2.5 kg, it accelerates at -0.108 m/s2. If m1 = 0.8 kg, it accelerates at 2.888

    asked by Kevin on October 17, 2016
  100. Physics

    a 50 kg block is being pulled up a 37 degree incline with a force of 450 N applied parallel to the incline. The block moves at a constant velocity. What is the kinetic friction? power if the velocity is 1.5 m/s? acceleration if the applied force increases

    asked by rick on January 23, 2017