1. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie on December 1, 2014
  2. Math 115

    Country Upper B has a population of approximately 276.5 million people and a total land area of about 3150.4 thousand square miles. What is the population density of Country Upper B? Round your answer to the nearest person. I know you need to divide

    asked by Brita on October 2, 2016
  3. MaTh

    Need help with another word problem The swim team sold tickets to their skit night to earn money to go to the finals in another city that was 200 miles away. They sold 4 adult tickets for each child's ticket. If they sold 155 tickets, how many adults

    asked by Amy on August 19, 2013
  4. calculus

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by jasmin on October 10, 2017
  5. Calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Sam on October 26, 2010
  6. Calc

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Pierre on October 28, 2010
  7. algebra

    Two ships make the same voyage of 3000 nautical miles. The faster ship travels 10 knots faster than the slower one (a knot is 1 nautical mile per hour). The faster ship makes the voyage in 50 hr less time than the slower one. Find the speeds of the two

    asked by Krystal on February 21, 2012
  8. calculus

    (1 pt) At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile

    asked by bill nye on March 10, 2009
  9. English

    Mr. And Mrs. Sanchez were married On Nov 12 1988 Comma after 12 We met on Tuesday Nov 5 in Austin Texas Comma after Tuesday and Austin It is almost two thousand miles from Atlanta Georgia to Los Angeles California Comma after Atlanta and Angeles All of

    asked by Jerald on December 5, 2012
  10. Math

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Salman on October 16, 2009
  11. Calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on April 3, 2010
  12. Math

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 22 knots and ship B is sailing north at 25 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Ramin on October 9, 2017
  13. calculus 1

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on March 25, 2010
  14. calc

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by john smit on October 29, 2014
  15. CALCULUS

    At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by CRYSTAL on October 24, 2011
  16. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Parker on September 24, 2009
  17. calculus

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Georgia on October 20, 2009
  18. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Parker on September 24, 2009
  19. calculus

    A power station is on one side of a river that is 0.5 mile wide, and a factory is 5.00 miles downstream on the other side of the river. It costs $15 per foot to run overland power lines and $23 per foot to run underwater power lines. Estimate the value of

    asked by Angel on September 22, 2011
  20. Cal 1

    (1 pt) At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile

    asked by TJ on November 3, 2010
  21. math algebra

    how would i do this problem elina and teresa raced on their bikes to the library after school. they both left at 3:00 pm and bicycled along the same trail elina rode at the speed of 12 miles an hour and teresa rode at the speed of 9 mph. elina got there

    asked by bob on November 4, 2010
  22. Calculus

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Samuel on March 1, 2010
  23. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on November 4, 2012
  24. Calculus

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 22 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on October 31, 2010
  25. math

    At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by bob dylan on March 26, 2010
  26. Calculus

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 24 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Alessandra on October 27, 2014
  27. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on November 4, 2012
  28. calculus 1

    At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by mona on March 25, 2010
  29. Maths

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Salman on October 15, 2009
  30. calculus 1

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by mona on March 25, 2010
  31. Calculus Please help!

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by ALI on February 28, 2014
  32. Math!

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by <3 on June 4, 2009
  33. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on November 4, 2012
  34. PLEASE HELP Math

    At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Randall on March 15, 2009
  35. math

    At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by adrienne on November 7, 2009
  36. Calc

    At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Heather on February 19, 2012
  37. Calculus

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by Anonymous on July 28, 2013
  38. calculus

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 25 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by remy on May 14, 2012
  39. CAL

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by LAURA on July 10, 2011
  40. math

    Ranch home is 2100 sq ft (70 x 30) Assume the climate yields 30in of rainfall per year. Baths, showers, faucets use 40% of this water, of which 80% is recycled to the indoor garden (50 ft x 20 ft) How much water in INCHES will the 50ft x 20 ft indoor

    asked by Nabil on September 21, 2014
  41. Math 7th grade

    1) of the dolls in mo's doll collection, 1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls collection have both red hair and green eyes? 2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon. 3) Cheryl is organizing her

    asked by catalina on October 1, 2012
  42. Trigonometry

    A point on the rim of a wheel of unknown radius in a pulley system has a velocity of 16 in/min. The wheel is making 4 rpm. If the radius of the other wheel is 8 inches, find the 8" wheel's rpms and the unknown wheel's radius. I got a radius of about 0.637"

    asked by MB on February 13, 2017
  43. acc

    Can anyone let me know if I have these correct and if not what am I doing wrong. 1. For each of the following items, indicate whether its amount (i) affects the bank or book side of a bank reconciliation and (ii) represents an addition or a subtraction in

    asked by Anonymous on February 25, 2009
  44. accounting

    Can anyone let me know if I have these correct and if not what am I doing wrong. 1. For each of the following items, indicate whether its amount (i) affects the bank or book side of a bank reconciliation and (ii) represents an addition or a subtraction in

    asked by Anonymous on February 25, 2009
  45. accounting

    Can anyone let me know if I have these correct and if not what am I doing wrong. 1. For each of the following items, indicate whether its amount (i) affects the bank or book side of a bank reconciliation and (ii) represents an addition or a subtraction in

    asked by Anonymous on February 25, 2009
  46. ap chemistry help!!!!

    Ive been absent from class because of the flu so i don't have a clue how to figure these out! Help! due tomorrow at 12! 1).Suppose that 135 g of ethanol at 23◦C is mixed with 255 g of ethanol at 75◦C at constant atmospheric pressure in a thermally

    asked by harry on October 24, 2012
  47. Quick English check

    Please check to see if I have these words in the correct sentences. Correct me if I'm wrong! :) 1. The defendants attorney objected to the plaintiff's ASSERTION, claiming it was hearsay. 2. The news media PROMULGATED the results of the election. 3. I tried

    asked by Grace on August 31, 2015
  48. dog behavior

    please check my answer thanks :) If you're going to be teaching a dog a lot of different basic commands, what would be best to use as a treat? A. Small scoops of canned dog food B. Small pieces of rawhide C. Half of an ordinary dog biscuit D. An extra

    asked by Maria on July 26, 2008
  49. Business Math

    3.) The demand equation for a certain product is q=500-40p+p^2 here p is the price per unit (in dollars) and q is the quantity of units demanded (in thousands). Find the point elasticity of demand when p = 15. If this price of 15 is increased by 1/2%, what

    asked by pypski on December 15, 2016
  50. Math

    Using Proportionality A correlation L cube How do figure out the average heights and weights for sheep and cows? Also. for Bald Eagles and Canada Geese. Dairy Cow 5 to 6 feet tall at the shoulder/weight 500lbs Bighorn Sheep Shoulder Height: 2.5 to 3.5"

    asked by Frank on November 27, 2011
  51. Algebra

    Need help with these-- 6. Chase scored 14 points on Monday, and he doubled his score each day thereafter. How many points did he score on Thursday? 8. Find a solution to the following system of equations using elimination: -5x + y = -5 -4x + 2y = 2 21.

    asked by mysterychicken on June 11, 2010
  52. Physics

    Suppose a chinook salmon needs to jump a waterfall that is 1.32 m high. (a) If the fish starts from a distance 1.24 m from the base of the ledge over which the waterfall flows, find the x- and y-components of the initial velocity the salmon would need to

    asked by Jay on February 17, 2016
  53. Stats

    Suppose that diastolic blood pressure in hypersensitive women centers at 100mmHg and has a standard deviation of 16mmHg and it is normally distributed. What is the probability of randomly selecting a woman with a diastolic blood pressure less than 92mmHg?

    asked by Kleena on September 30, 2016
  54. Physics

    Suppose a light wave is in the visible spectrum, with frequency 740 THz(which will have a deep purple color). What will be the ratio of the electric to magnetic fields constitute the light wave? What fraction of the total energy is conveyed by the electric

    asked by M on May 7, 2015
  55. International Econ.. Please Help!

    Suppose a country announces that it is moving toward free trade by reducing its tariffs on intermediate inputs used by its production sector, while at the same time maintaining its tariffs on final goods. Does this policy change really move the country

    asked by Mary on July 25, 2010
  56. economics

    Suppose that the consumption function is C=100+.8(y-t). Initially investment and government expendtures are I=75 and G=150 and taxes are T=50. 1.Depict this economy using the keynesian cross. calulate the initial equilibrium income. how much will income

    asked by Jonathan on February 6, 2010
  57. International Econ

    Suppose a country announces that it is moving toward free trade by reducing its tariffs on intermediate inputs used by its production sector, while at the same time maintaining its tariffs on final goods. Does this policy change really move the country

    asked by Mary on July 25, 2010
  58. physicsss ;o

    a 12 V car battery is found to be capable of storing 2.0 kW*h of eletrical energy. for a certain eletric car, it is necessary to develop 10 kW of power to drive at 20 km/h. a)suppose that the car has 10 such batteries. how long(hours)could it run if all 10

    asked by monee' on December 13, 2011
  59. Economics

    Suppose the market for the magazine is in equilibrium. Some students insist on raising the cover price by $1 and printing the same quantity. What is likely to happen? A. The demand for the magazine will go up. B. There will be a shortage of 150 magazines.

    asked by Anonymous on April 30, 2012
  60. chemistry

    Suppose a student diluted and titrated a bleach unknown. A single titration was performed which required 14.42 mL of 0.100 M Na2S2O3. The density of the original, undiluted bleach unknown was 1.042 g/mL. calculate the number of moles of ClO- in the sample

    asked by Morgan on October 27, 2013
  61. statistic

    Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. Find the probability that the sample

    asked by Coco on November 8, 2012
  62. Physics Circular Motion

    A swing ride at a carnival consists of chairs that are swung in a circle by 13.5-m cables attached to a vertical rotating pole. Suppose the total mass of a chair and its occupant is 170 kg, the angle θ = 53° with the vertical pole. Find the speed of the

    asked by Jayesh on February 20, 2015
  63. Math

    Suppose Kalvin flipped a coin to determine his breakfast cereal every day starting on his 12th birthday and continuing until his 18th birthday. How many times would you expect him to eat Cocoablast cereal. I know 6 years times 365 days is 2190 what do I do

    asked by Mark on March 21, 2011
  64. physics

    At the Indianapolis 500, you can measure the speed of cars just by listening to the difference in pitch of the engine noise between approaching and receding cars. Suppose the sound of a certain car drops by a factor of 2.30 as it goes by on the

    asked by steve on April 1, 2011
  65. Meds.. Human Anatomy?

    Suppose that a batch of controlled-release pills intended to be taken every 12 hours were accidentally manufactured without their thick coating. What would be most likely to happen to someone who took one of these pills? The medication would be absorbed

    asked by rawr... im a dinosaur.... rawr on November 12, 2012
  66. Algebra HELP PLEASE

    A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of the jeans is $40, evaluate the expression to findicate the sale price.

    asked by Kitty on September 9, 2016
  67. History

    which suggest reasons that President Kennedy decided to use US military intervention in Cuba? Multiple choice, select all that apply 1. Cubas Secret US invasion plans were leaked to the press 2. Cuba lies 90 miles from the coast of the United States 3. US

    asked by Kate on June 14, 2018
  68. math

    Cells ina certain plant can triple in number every 15 minutes.How many times greater is the number of plant cells after an hour and a half then the number of cells the plant had origanally?

    asked by Caitee on January 7, 2013
  69. Math

    A landlady currently rents each of her 50 apartments for $1300 per month. She estimates that for each $100 increase in rent, two additional apartments will remain vacant. a. Construct a function that represents the revenue R(n) as a function of the number

    asked by Anne on November 14, 2016
  70. math

    the numerator of a fraction is 3 less than the numerator.If half of the numerator is added to the numerator and the denominator,the resulting fraction is 1/2.Find the the fraction.

    asked by hans on August 14, 2016
  71. Math

    Sally's age is 12 years plus half her age. How old is she? Billy is twice as ld as Sally was when billy was as old as Sally is now. And the total ages is 28 how old are they?

    asked by Anjanique on February 8, 2011
  72. Math

    They have emptied 1/2 to an oil tank; then they emptied another half of what was left; then the rest of 11/15 emptied. Now, there are 26 liters in the tank. How many liters were at first?

    asked by Ayesha on October 3, 2016
  73. mathematics

    Ruth has $130 in all. Kevin has $115 in all. If Ruth has 1 and a half times as much money as kevin, how much money does ruth have?

    asked by Natasha on January 3, 2016
  74. math

    the sum of numerator and denominator is 3 less than twice the denominator.If the numerator and denominator is decreased by 1 , the numerator becomes half the denominator.Find the fraction?

    asked by amit on June 26, 2013
  75. Maths

    At 7pm the outdoor temperature was -12degrees celsius. By 11pm the temperature in degrees celsius had dropped x degrees celsius. Which expression represents the temperature reading at 11pm. a -12-x b -12+x c-12 d -12x e 12 a is my answer A total of m

    asked by Claire on August 14, 2013
  76. math

    Which statement best explains if the graph correctly represents the proportional relationship y = −2x? A coordinate plane is shown. Points are graphed at 2 comma 4 and negative 1 comma 2. The points are joined by a line. No, the points shown would not be

    asked by Math help on November 8, 2017
  77. college algebra

    The number of unwatched shows in Sylvia's DVR is 90. The number grows by 15 unwatched shows per week. The function N(t) = 90 + 15t represents the relation between the number of unwatched shows, N, and the time, t, measured in weeks. a. Determine the

    asked by Laisha on October 6, 2018
  78. Trigonometry

    Suppose that Lance Armstrong1 is using a 180 mm chain ring and pedaling at a rate of 80 revolutions per minute. The wheels on his road bike have a diameter of 622mm. What diameter sprocket on the rear wheel does he need to maintain a speed of 30 kilometers

    asked by Rebekah on November 6, 2014
  79. 5th grade math problem

    Adam, Sam, and Eddie have to meet their boss at 3:00 in the office 9 miles apart from their home, and they must be arrive in time for the appointment. Adam had a bicycle, Sam had a skateboard,and Harry had no transport. So they have to share. so they left

    asked by victoria on October 26, 2014
  80. math problem

    Adam, Sam, and Eddie have to meet their boss at 3:00 in the office 9 miles apart from their home, and they must be arrive in time for the appointment. Adam had a bicycle, Sam had a skateboard,and Harry had no transport. So they have to share. so they left

    asked by victoria on October 26, 2014
  81. Hisory

    Which suggest reasons that President Kennedy decided to use US military intervention in Cuba? (Select all that apply.) A. JFK had been tracing the global spread of Communism. B. Cuba lies 90 miles from the coast of the United States. C. US spy planes

    asked by Sergio on February 11, 2019
  82. Math

    A rocket shoots straight up from the launch-pad. Five seconds after lift-off, an observer 2 miles away notes that the rocket's angle of elevation is 3.5 degrees. Four seconds later the angle of elevation is 41 degrees. How far did the rocket rise during

    asked by Lianne on September 29, 2012
  83. Finance

    Suppose the firm in paid out (sales of $586,000, costs of $247,000, depreciation expense of $43,000, interest expense of $32,000, and a tax rate of 35 percent) $73,000 in cash dividends. What is the addition to retained earnings?

    asked by Stephanie on September 2, 2015
  84. math

    Amy & Ashley bike along the same trail. Amy bikes the entire trail at 20mph & Ashley bikes at 15mph. Amy finishes 8 minutes before Ashley. How many miles long is the trail?

    asked by dave on December 13, 2016
  85. math

    At 10:00 AM, a car leaves a house at a rate of 60 mi/h.At the same time, another car leaves the smae house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart? I tried to make a equation, 50h+60h=330. I divided 330

    asked by robert on October 23, 2007
  86. Maths

    A ship is sighted from the top of a lighthouse. The angle of depression from the lighthouse to the top of the ship is 45 degrees. The distance from the top of the lighthouse directly to the ship is 4 miles. Calculate the horizontal distance of the ship

    asked by Rose on January 7, 2016
  87. math

    At 10:00 AM, a car leaves a house at a rate of 60 mi/h.At the same time, another car leaves the smae house at a rate of 50 mi/h in the opposite direction. At what time will the cars be 330 miles apart? I tried to make a equation, 50h+60h=330. I divided 330

    asked by robert on October 23, 2007
  88. Project Management

    Case Study: Calcutta's Metro In 1996, Calcutta’s long-waited metro finally opened to a collective sigh of relief from the long-suffering population of this large Indian city. Critics had long derided the project a one of the “slowest-moving” public

    asked by animal on October 5, 2008
  89. math

    A farmer plants corn and wheat on a 180-acre farm. The farmer wants to plant three times as many acres of corn as wheat. Write a system of linear equations that represents this situation. Use xx to represent the number of aces of corn planted and yy to

    asked by traci on March 4, 2019
  90. Chemistry

    Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 6.5 g of iron are to be dissolved in 1.4 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?

    asked by BillyBob on September 12, 2011
  91. Business Cal.

    Suppose the marginal revenue (in dollars) from the sale of x jet planes is R'(x)=2x(x^2+50)^2 A. Find the total revenue function if the revenue from 3 planes is $206,379. B. How many planes must be sold for revenue of at least $450,000?

    asked by David on December 4, 2006
  92. Physics

    Suppose you have a stack of 9 identical oak planks, each of which have a mass of 8.0 kg. You are required to pull the seventh plank from the stack (counting from the top). If the coefficient of friction between oak and oak is 0.6, how hard do you have to

    asked by Kristin on October 7, 2015
  93. physics

    If you slosh the water in a bathtub at the correct frequency, the water rises first at one end and then at the other. Suppose you can make a standing wave in a 145 cm long tub with a frequency of 0.31 Hz. What is the velocity of the water wave?

    asked by Anonymous on March 8, 2012
  94. physics

    train car are coupled together by being bumped into one another. suppose two loaded train cars are moving toward one another, the first having a mass of 150000 kg and velocity of 0.30 m/sand the second havin a mass of 110000 kg and a velocity of (-0.12

    asked by Mohanad on March 23, 2014
  95. Chemistry

    suppose a 1.50 kg object is suspended from the end of a silicone band. when the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. calculate the spring constant of this silicone band including units.

    asked by Kyle on January 31, 2012
  96. physics

    suppose a 1.50 kg object is suspended from the end of a silicone band. when the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. calculate the spring constant of this silicone band including units.

    asked by Kyle on January 31, 2012
  97. Chemistry

    Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.

    asked by Lauren on January 31, 2008
  98. physical science

    Suppose you are camping in the mountains and you need to melt 1.8 kg of snow at 0.0 degC to 70.0 degC. The specific heat of water is 4186 j/kg*C while the latent heat of fusion for water equals 3.34 x 10^5 J/kg. How much heat will be needed? Express in KJ.

    asked by Paul on March 18, 2014
  99. Chemistry

    Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.

    asked by Lauren on January 31, 2008
  100. chemistry

    Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 5.4 g of iron are to be dissolved in 1.1 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?

    asked by Carolina on September 13, 2011