Most popular questions and responses by teri
  1. Math

    a light shines from the top of a pole 50ft high. a ball is dropped from the same height from a point 30 ft away from the light. how fast is the ball's shadow moving along the ground 1/2 sec later? (assume the ball falls at a distance of s=16t^2 in t sec)

    asked on June 8, 2012
  2. Math

    a man 6ft tall walks at the rate of 5ft/sec toward a streetlight that is 16ft above the ground. At what rate is the length of his shadow changing when he is 10ft from the base of the light?

    asked on June 8, 2012
  3. College History

    During the 1960s the United States had become a more open,more tolerant- in a word, freer country. Defend or refute that statement.

    asked on November 19, 2008
  4. physics

    A pole-vaulter runs toward the launch point with horizontal momentum. Where does the vertical momentum come from as the athlete vaults over the crossbar?

    asked on February 12, 2010
  5. physics

    A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is: Ö1 = +1480 N · m2/C, Ö2 = +2240 N · m2/C, Ö3 = +4220 N · m2/C, Ö4 = -1780 N · m2/C, Ö5 = -3550 N · m2/C, and Ö6 = -5250 N · m2/C.

    asked on September 3, 2009
  6. physics

    The speed of a basketball as it is dribbled is the same when the ball os going toward tthe floor as it is when the ball rises from the floor. A. Is the basketball's change in momentum equal to zero when it hits the floor? B. If not, in which direction is

    asked on February 12, 2010
  7. science

    The force which is required to move an object of mass 500g to a distance of 4m

    asked on April 25, 2012
  8. calculus

    "use the intermediate value theorem to prove that the curves y=x^2 and y=cosx intersect"

    asked on July 13, 2010
  9. physics

    Two identical small insulating balls are suspended by separate 0.23-m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.70 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical

    asked on September 3, 2009
  10. direct variation

    could someone please help me with these problems i am having trouble. If y=36 when x =6 find x when y = 42 If y=-18 when x=6 find x when y=6 If y =12 when x= 15 find x when y =21 If y=-6.6 when x=9.9 find y when x =6.6 If y=6 when x=(2/3)find x when y=12

    asked on September 13, 2006
  11. ethics

    Would I talk about what I am expected to do in a Amish family as well as how I live with no electricity etc..... This Question is about the recent question of subordinate member and 3 day journal question I asked.

    asked on February 4, 2011
  12. chemistry

    ionic componuds tend to have higher boiling points than covalent compounds . both ammonia NH3 and methane CH4 are covalent compounds but yet the boiling point of ammonia 130C is higher than methane. what might account for this difference please help thank

    asked on April 1, 2009
  13. physics

    During a tennis serve, the racket of a tennis player continues forward after it hits the ball. Is momentum conserver in the collision? Explain, defining the system.

    asked on February 12, 2010
  14. English

    Do you believe in love at first sight? Romeo and Juliet evidently did. The play covers the time-span of only a few days. In this short period of time, Romeo and Juliet fall in love so passionately that they are willing to die if they cannot be together.

    asked on March 5, 2012

    At 285mmHg +25 degrees celsius,a gas sample has a volume of 2270ml. what is the final pressure in mmHg at a volume of 1250ml and a temperature od 175 degrees celsius?

    asked on August 20, 2011
  16. Math

    Consider the following word problem: It took Eric 10 hours to drive to a job interview. On the way home, he was able to increase his average speed by 21 mph and make the return drive in only 7 hours. Find his average speed on the return drive. Step 1 of 3:

    asked on July 10, 2016
  17. math

    toby the cat is stuck in a tree. billys dad placed a ladder 5 feet from the base of the tree and then leaned the ladder against the tree. the top of the ladder is where toby is sitting. if the ladder makes a 65 degree angle with the ground, how far up the

    asked on July 2, 2010
  18. Honors 9 English

    Where is the best place to find interpretations for Romeo And Juliet thanks &heart; Here are a few: http://www.bardweb.net/ http://www.shakespeare-online.com/ http://www.shakespeare.com http://shakespeare.palomar.edu/ http://nfs.sparknotes.com/

    asked on February 9, 2007
  19. intermediate econ

    You buy only apples and bananas. Your budget is such that you can purchase 3 apples and 4 bananas or 9 apples and 2 bananas. Write down the equation for the budget line with bananas on the y-axis. Is that equation unique? I believe the answer is:

    asked on June 23, 2009
  20. Algebra

    Currently, Jodi has a collection of 44 CDs and Veronica has a collection of 22 CDs. Jodi is adding 2 CDs per month to her collection; Veronica plans to add 4 CDs per month. a. Write a system of equations for this situation. Explain your method. b. Graph

    asked on February 15, 2012
  21. disease

    Which Endocrine Gland is Involved, or responsible for the conditions tetany and also throtoxicosis?

    asked on July 2, 2010
  22. Physical Chemistry

    Assuming that the activation energy is about 111kjmol-1, calculate the fractional variation in the rate constant that would result from a temparature of 323.15 K

    asked on April 8, 2010
  23. Algebra 2

    simplify ã15*ã42 _________ ã35

    asked on March 31, 2010
  24. Physics

    During a soccer game two players come from the opposite directions and collide when trying to head the ball. They come to rest in midair and fall to the ground. Describe their initial moments?

    asked on February 12, 2010
  25. earth science

    How would you set up a simple experiment to test whether salt crystal growth is affected by temperature It might help if you were clear on how an experiment is set up. An independent variable is the potential stimulus or cause, usually directly manipulated

    asked on September 26, 2006
  26. geometry

    Find the area enclosed by the figure where a = 15 ft, b = 45 ft, c = 20 ft, d = 75 ft, and f = 40 ft.

    asked on October 28, 2010
  27. Math

    Arrange in order from smallest to largest. 3.07, 3.0712, 3.078, 3.0717, 3.072, 3.071

    asked on March 23, 2008
  28. Chinese

    Where would I look to find out how to pronounce the Chinese name Xuelin?

    asked on October 20, 2011
  29. ethics

    I have to write a journal entry of a subordinate group member and it has to be a fictional first person account in the life of a subordinate group and it has to describe the events of a three day period. I am confused of how to start this paper out and how

    asked on February 4, 2011
  30. 12th grade calculus

    How do I find the area bounded by the curver y = x^1/2 + 2, the x-axis, and the lines x = 1 and x = 4

    asked on January 25, 2011
  31. calculus

    How do I find the area bounded by the curve y = x^1/2 + 2, the x-axis, and the lines x = 1 and x = 4

    asked on January 25, 2011
  32. physics

    A truck increases its speed from 8 m/s to 28 m/s over a distance of 120 m? How long does this take? Assume that the acceleration is constant

    asked on November 17, 2010
  33. 9th grade

    find the domain and the range of the relation age of person 65,36,36,29 books to read 42,37,37,17

    asked on September 16, 2010
  34. algebra

    simplify ^-6 * ^2 ^ is sq root sign

    asked on April 1, 2010
  35. Algebra 2

    Find the real roots of the eqution 16x2(squared) = 81

    asked on March 31, 2010
  36. Math

    In Lloyd's pocket are 6 coins: 3 dimes, 2 nickels, and 1 penny. If Lloyd randomly takes two coins out of his pocket, what is the probablity that he will take out 11 cents? The book shows the answer 1/5, but my question is wouldn't the number of each coin

    asked on January 26, 2010
  37. physics

    A small plastic ball with a mass of 7.00 10-3 kg and with a charge of +0.162 µC is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0°

    asked on September 3, 2009
  38. Micro Econ

    How can you explain the MR=MC equation as the PROFIT MAXIMIZING output level?

    asked on July 5, 2009
  39. math


    asked on July 18, 2008
  40. Math

    Find the decimal equivalent of the mixed number. 8 7/8

    asked on March 23, 2008
  41. World History

    Why were christian beliefs so appealing thanks for your help ♥ Christian beliefs are appealing because they promise salvation for sinners, a God that loves them, and a good life in heaven.

    asked on January 25, 2007
  42. Geography

    What 5 themes do geographers use to study the earth http://www.funsocialstudies.learninghaven.com/articles/fivethemes.htm

    asked on September 23, 2006
  43. GeoGraphy and History

    What are the sections of the world ( i am having trouble w/ this question morethan n.e. others b/c my teacher that was all he had on the paper he didn't specify anything) As I sure you realize, there are many ways of describing various sections of the

    asked on September 23, 2006
  44. physics

    A pulley with diameter D = 27in weighs 80 lb. It is mounted on a diameter d = 2-in axle. A weight of 1000 lb is to be lifted. If the coefficient of friction f = 0.1, what vertical pull force P will be needed?

    asked on April 20, 2012
  45. college algebra

    Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ¡Ý 0. describe the meaning of the number -.1 in the formula describe the meaning of the number -300 in the formula

    asked on May 20, 2011
  46. ethics

    how would you start a paper out on a fictional first person account in the life of a subordinate group in the unites states?

    asked on February 4, 2011
  47. algebra

    find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)

    asked on January 16, 2011
  48. english

    What does it mean when the teacher says "There is no need to rekey the question(s)? Thanks in advance.

    asked on July 15, 2010
  49. math

    what is the total surface area in square meters of a cylinder with a radius of 12m and height of 14m

    asked on July 2, 2010
  50. math

    what is the apothem of a regular hexagon with sides of 16 inches?

    asked on July 2, 2010
  51. Algebra

    Given the equation: -0.2xsqrd+12x+11 Use the quadratic equation to determine the last day that tickets will be sold. x=1 is the day tickets go on sale.

    asked on May 29, 2010
  52. Algebra

    Using the formula: w=Cr^-2 where C is a constant, and r is the distance that the object is from the center of Earth. W is the weight. 1- Suppose an object is 100lbs when it is at sea level. Find the Value of C that makes the equation true. Sea level is

    asked on May 21, 2010
  53. science

    would radiation levels in natural versus man-made objects be a good science fair project? I can borrow a geiger counter

    asked on March 22, 2010
  54. science

    A force of 625 N is applied to a hydraulic jack piston that is 0.04 m in diameter. If the piston which supports the load has a diameter of 0.60 m, how much mass can be lifted by the jack? Ignore any difference in height between the pistons

    asked on January 17, 2010
  55. economics

    What can't a perfectly competitive market earn economic profits in the long run?

    asked on June 29, 2009
  56. math

    12.42/(17-n)=4.14 what is the value of n

    asked on July 18, 2008
  57. Math

    You are making rectangular posters 24 in. by 15 in. How many square feet of material will you need for 6 posters?

    asked on March 23, 2008
  58. Math

    Write each of the following as a common fraction or mixed number. Write your answer in lowest terms and the number is 15.35? Please help

    asked on March 20, 2008
  59. social sudies

    A passionate, nonintellectual commitment Truth is subjective. Developed three proofs of God not to sure who their philosophers are but here are mine first one is it a leap of faith? Second one Willaim James and third Mary Daly

    asked on February 4, 2008
  60. world religons

    Can someone help me I am looking for a Christmas carol that mentions the golden,silver,bronze and iron age? I have been looking and can't find anything that mentions it. I think I found it.

    asked on January 28, 2007
  61. Geography and history

    why was the discovery of the rosetta stone important Before the Rosetta Stone was found in 1799, no one could read ancient Egyptian hieroglyphics. But the Rosetta Stone had the same document in Greek and demotic. Scholars could understand the Greek

    asked on September 23, 2006
  62. statistics


    asked on April 20, 2014
  63. math

    Bill rented a truck for one day. There was a base fee of $18.95 , and there was an additional charge of .96 cents for each mile driven. Bill had to pay $135.11 when he returned the truck. For how many miles did he drive the truck?

    asked on April 16, 2014
  64. Math

    Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between (–53.68, 64.64), where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places.

    asked on March 5, 2014
  65. social studies

    10. Heinz is a recent immigrant from Germany. Which of the following will NOT contribute to his feeling of being American? (Points : 1)

    asked on July 11, 2013
  66. physics

    A car drives along a road section free of curves with speed v0 first through the hollow of a valley (radius of curvature r1) and then over a mountain top (radius of curvature r2). Let the driver have mass m. • What changes in his weight does the driver

    asked on March 25, 2013
  67. physics

    an 80 kg man rides in a car which makes a turn. he moves along a curve with a radius of 20m at a constant speed of 20m/s. how much centripetal force acts on him?

    asked on February 14, 2012
  68. physics

    an 80 kg man rides in a car which makes a turn. he moves along a curve with a radius of 20m at a constant speed of 20m/s. how much centripetal force acts on him?

    asked on February 14, 2012
  69. algebra 1

    solve: the square root of y = 5 + square root of 2 divided by 2

    asked on December 22, 2010
  70. algebra

    how do you get the ordered pair (22,-28) from the equation: 2a+b=16?

    asked on November 15, 2010
  71. Science

    what activity does the cytoplasm do for the diatom

    asked on October 6, 2010
  72. algebra

    solve for the variable in the equation 3(-2 - 3x) = -9x - 4

    asked on September 19, 2010
  73. Algebra2

    Simplify, help please sqrt-3 + sqrt27

    asked on April 2, 2010
  74. algebra 2

    are these answers right? 1. ã-121 = iã11 2. -2ã-144 = 2iã144 = 2i*12=24i 3. ã-75 = i=ã75 = iã5sq*3 = 5iã3 4. 5ãã-27 = 5iã27 = 5iã3sq*3 = 15iã3 what about 5. ã-6 * ã2 = ??

    asked on April 1, 2010
  75. science

    what is radiation?

    asked on March 22, 2010
  76. Biology

    I need help. I have searched the web for information of bacterial plate cultures but I cant really find anything. If you could refer me to a good website or explain it to me that would be great. Thank you so much. My question is posted below. Search the

    asked on July 17, 2009
  77. Micro Econ

    How can you explain the MR=MC equation as the PROFIT MAXIMIZING output level?

    asked on July 5, 2009
  78. Micro Econ

    States do not currently collect sales taxes on consumer pruchases on the Internet. Who, consumers or suppliers, benefits from the absence of such taxes? Explain please.

    asked on June 30, 2009
  79. government

    no person is above the law is what principal of the constitution

    asked on December 4, 2008
  80. College HIstory

    Was the US correct to think of the Soviet Union as expansionist and as a threat to American liberty?

    asked on October 24, 2008
  81. History

    Do you think that the United States will ever revert to a system where the states are more important than the national government?

    asked on October 24, 2008
  82. Math

    The circular surface of a table has a diameter of 7 ft. What will cost to have the top refinished if the company charges $6 per square foot for the refinishing? Use 3.14 for ƒàƒnand round your answer to the nearest cent.

    asked on March 23, 2008
  83. Math

    Round to the indicated decimal place. 6.949 tenths

    asked on March 23, 2008
  84. Math

    Find the least common multiple of 12, 18, and 30.

    asked on March 23, 2008
  85. Math

    For the decimal 8.62354: What is the place value of 4?

    asked on March 23, 2008
  86. Math

    The interest rate on a second mortgage was 8 3/4%last month. This month the interest rate is 11 1/8%. How many percentage points has the interest rate increased?

    asked on March 23, 2008
  87. Math

    Gasoline is about $2 per gallon. You use about gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

    asked on March 23, 2008
  88. government

    What does the Commerce Power allow Congress to do?

    asked on October 16, 2007
  89. Earth Science

    I am struggling with these two questions I have looked all over the internet && even my science book but still no answers...thank you to anyone that can help. ♥ What is unique about Earths position in the Solar system as it relates to water, and why is

    asked on January 22, 2007
  90. World History

    What are five influences from ancient Greece that can be found in todays society???? i need help i wnet to all these different web sites but they all gave me different answers.. Thanks Please be sure to let us know what you already have. Then we'll know

    asked on December 14, 2006
  91. ALGEBRA 1

    ok the question is Describe how you would help a friend who needs to simplify the expression 4x to the fourth power over 2x to the fifth power plz help thanks Act like one of the teachers in here, explain with words and step by step examples. As in: "

    asked on December 6, 2006
  1. science

    Distilled because tap has iron and chlorine!!!

    posted on October 14, 2018
  2. 5th grade Math

    I need help I don't understand it

    posted on January 26, 2016
  3. 5th grade Math

    Write a real word problem that you could solve by simplifying the expression 50-(2×9)

    posted on January 26, 2016
  4. biology

    No.iii) If you chose "no" above. Which set or sets of individuals is inconsistent with autosomal recessive inheritance? Individuals 10, 11, 12, and 13 iv) If you chose "no" above. Can you change one individual from affected to unaffected and make this

    posted on October 4, 2013
  5. biology

    No. iii) If you chose "no" above. Which set or sets of individuals is inconsistent with autosomal dominant inheritance? Individuals 5, 6, 9, 10, and 11 iv) If you chose "no" above. Can you change one individual from unaffected to affected and make this

    posted on October 4, 2013
  6. biology

    Yes. (1) XA Xa (2) Xa Y (3) Xa Xa (4) XA Y (5) XA Xa (6) XA Y (7) XA Xa (8) XA Xa (9) XA X_ (10) Xa Y (11) Xa Y ii) If you chose "yes" above. If Individuals 5 and 6 have another son, what is the probability that the boy will be affected by the disease? 0.5

    posted on October 4, 2013
  7. biology

    No. Individuals 1, 2, 3, and 5. AND Individuals 5, 6, 9, 10, and 11..... ...give the number of that individual = 5.

    posted on October 4, 2013
  8. Medical Coding

    the patient received preventive medicine services. the physician's fee is $150. the patient's copayment is $10 (of the $75 fee schedule). the payer reimburses the physician 80% of the $75 fee schedule.

    posted on January 31, 2013
  9. English

    Help in writing a thesis and persuasive essay. I am horrible at doing this and would like someone to help me with it.

    posted on March 6, 2012