sammi

Most popular questions and responses by sammi
  1. math help plz really urgent

    1. The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a “standard earthquake.” How many times stronger is an earthquake with a magnitude of 8 than an earthquake with a

    asked on January 31, 2017
  2. Physics

    The human ear canal is approximately 2.3 cm long. It is open to the outside and is closed at the other end by the eardrum. Estimate the frequencies (in the audible range) of the standing waves in the ear canal. Express your answers using two significant

    asked on March 24, 2011
  3. Algebra

    You pay $1 to rent a movie plus an additional $0.50 per day until you return to the movie. Your friend pays $1.25 per day to rent a movie. a: make tables showing the costs to rent a movie up to 5 days. $1.50 $2.00 $2.50 $3.00 $3.50 $1.25 $2.50 $3.75 $5.00

    asked on March 31, 2015
  4. math

    how do i find (d^725/dx^725)(sin x) is this a derviative problem? can someone help me solve it?

    asked on October 15, 2009
  5. calculus

    use a(t) = -32 ft per second squared as the acceleration due to gravity.An object is thrown vertically downward from the top of a 480-ft building with an initial velocity of 64 feet per second. With what velocity does the object hit the ground? This type

    asked on February 21, 2010
  6. math

    Chicago, Illinois has a longitude of 88 degrees West and a latitude of 42 degrees North. Indianapolis, Indiana is located at 86 degrees West and 40 degrees North. At this longitude/latitude, each degree is about 53 miles. What is the distance between

    asked on January 23, 2012
  7. science

    Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

    asked on February 21, 2010
  8. U.S History- 8th grade

    What was the geography and economy like in the England colonies, middle colonies, and southern colonies? Do you guys know any good websites to check out?

    asked on December 13, 2009
  9. Chemistry

    a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?

    asked on March 29, 2010
  10. pre- algebra

    The perimeter of a triangle is 24 cm. One side is 2 cm longer than the shortest side. The longest side is 2 cm less than twice the length of the shortest side. Find the length of each side of the triangle.- write equation and solve.

    asked on May 30, 2011
  11. science

    Which of the following materials would not be important to a protozoan? a) enzymes b) oxygen c) water d) blood e) carbohydrates Is is enzymes?

    asked on February 21, 2010
  12. math

    on earth, in the absence of air, the rock in excersise 13 would reach a height of s=24t- 4.9t^2 meters in t seconds. How high would the rock go? (exercise 13:a rock thrown vertically upward from the surface of the moon at a velocity of 24m/sec reaches

    asked on October 12, 2009
  13. SCIENCE (Drugs)

    (fill in the blank) Addictive drugs produce changes in one particular group of synapses that use the neurotransmitter _______________.

    asked on November 25, 2013
  14. science

    Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data

    asked on October 3, 2009
  15. physics

    what is the value for k if a spring stretches 0.4m when submitted to a 1800N force? How much force is needed to keep a 23 kg box moving at a constant velocity across a warehouse floor if the coefficient of friction between the box and the floor is 0.88?

    asked on October 15, 2008
  16. Physics

    At 1:00 p.m. a car, traveling at a constant velocity of 80 km/h toward the west, is 31 km to the west of our school.

    asked on October 23, 2013
  17. science

    Where are the enzymes maltase, sucrase,and lactase produced? Is it the small intestine?

    asked on February 21, 2010
  18. 8th grade history

    Name three reasons people left England to come and colonize the New World. They wanted riches, land, and place to start a new life. What happened to the people of Roanoke? They disappeared, and no one knows why or where they went. Are my answers right? I'm

    asked on December 13, 2009
  19. Science/English

    Here is my Science presentation, I'm having trouble with the last two sentences. What would you put as the last two sentences? Computer Technology My presentation is about how computers have changed from the past to the present. Then what I think is going

    asked on November 8, 2008
  20. Psychology

    Teenage mothers who are accustomed to existing on hamburgers, French fries, and cokes need to consider the nutritional needs of the child. Research has shown that a poor diet can: a. restrict the development of eye and hair color. b. produce prenatal

    asked on October 26, 2011
  21. hcs/335

    How might a manager deal with elements of an organization’s culture that are, or are perceived as, inconsistent? Please provide a clear and relevant example.

    asked on February 9, 2011
  22. science

    If waste products of an aquatic single celled organism were released by the organism into the pond, how would that affect the organism’s ability to obtain oxygen from the pond water?

    asked on October 17, 2009
  23. math

    the position of a body at time t sec is s=t^3 - 6t^2 + 9t m. Find the body's acceleration each time the velocity is zero.

    asked on October 12, 2009
  24. physics

    A diver springs vertically upward with an initial speed of 1.7 m/s from a diving board that is 3.2 m above the water. Find the speed with which she enters the water, assuming completely vertical motion.

    asked on July 29, 2013
  25. physics

    If a ferris wheel has the radius of 5 meters, and one revolution takes 32 seconds, what is its speed?

    asked on October 9, 2012
  26. social studies

    explian how communication has made a difference in advertising. i think beacusue now the advertising could spread more faster

    asked on February 7, 2010
  27. Science

    A solution has a density of 3/mL. How many grams are needed to obtain 10.0mL of solution?

    asked on September 24, 2012
  28. hcs/341

    What employment laws have the most effect on health care organizations? Why?

    asked on March 10, 2011
  29. social studies

    Does anyone know of some good websites that I could find how to build a medieval castle for my grade four project on medieval times.

    asked on April 7, 2009
  30. physics

    A transfer of heat occurs with a pot of 8.0 kg of water that changes from 400 degrees kelvin to 320 degrees kelvin. How much heat is absorbed or given off?

    asked on October 19, 2008
  31. french

    how would i use "battre" in a sentence. does it mean to fight with someone- so you would use it with avec or does it meanlike someone beat a disease?

    asked on February 9, 2010
  32. math

    find the deriviative of (4/3pi)(sin3t) + (4/5pi)(cos5t)

    asked on October 17, 2009
  33. health

    i was wondering whether anyone came accross a tory in a newspaper or magazine recently about something unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an unbelievable

    asked on October 14, 2009
  34. History

    How many years has it been since the first century to today?

    asked on November 8, 2008
  35. physics

    i'm not very good at physics and i have an exam tomorrow!! for the first one do i use the formula F=-Kx to make the answer -4500 ? and for the second i really have no idea what formula to use what is the value for k if a spring stretches 0.4m when

    asked on October 15, 2008
  36. physics

    In Harmonic Motion how does the value of g affect the time period of a pendulum?

    asked on October 15, 2008
  37. THS

    A motor does 25,000 J of work in 250 seconds. What is the power produced?

    asked on October 13, 2008
  38. Algebra

    Let x be any real number. Then the statement x^3 > 0 is true for a. x > 0 only b. x < 0 only c. no values of x d. all real values of x i think it's d but i'm not sure ;;

    asked on May 17, 2018
  39. Maths

    Chris spent 1/4 of his money to buy shirt .He spent 1/2 of remaining money to buy shorts.Given that Chris had left $56 left. How mush money did he at first?

    asked on March 10, 2013
  40. World History

    Anyone know the effects of the Great Plague of Marseilles other than the Act of Parliament of Aix, the Mur de la Peste, and the civilian deaths? Also would 40% be the correct number of the population killed in Marseilles?

    asked on April 15, 2012
  41. Psychology

    It may be difficult to sooth a crying baby who needs to be fed and changed with Cuddling and toys. The strength of the physical needs in this situation support: a.secondary drive approach theory b.the incentive approach to motivation c.Maslow’s hierarch

    asked on October 26, 2011
  42. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked on March 2, 2010
  43. english

    need to change all 1st and 2nd person pronouns to 3rd person pronouns for the following: We animals are the most complicated things you will find in the known universe. The universe that we know, of course, is a tiny fragment of the actual universe. There

    asked on February 11, 2010
  44. physics

    The slope of the tangent on a position time graph equals what?

    asked on October 15, 2008
  45. Math

    How do you solve a double sided variable? I am not sure what you are asking. Even so, since this is not my area of expertise, I searched Google under the key words "'double sided variable' math" to get this possible source:

    asked on September 26, 2006
  46. Algebra

    A number n is 150% of number m. Is n greater than, less than, or equal to m?

    asked on May 29, 2015
  47. Algebra

    Suppose that f(x)= (5x) _________ (x^2)−x−6 a. Determine the domain of f b. Determine the vertical asymptote(s), if any, of the graph of f c. Determine the horizontal asymptote(s), if any, of the graph of f d, Sketch the graph of f

    asked on July 27, 2014
  48. Psychology

    disadvantage of group intelligence tests include that a. all test taker must wait until all registered individuals arrive b. proctors are often inconsistent and allow some test takers a longer time to respond or to take testing breaks c. some test taker

    asked on October 26, 2011
  49. hcs/335

    what is the social responsibility of children's hospital boston? isn't it to keep the safety and wellbeing of the patients and people who are injured and for the stem cell isnt it to help them getr sronger and stay alive?

    asked on March 4, 2011
  50. economic help!!!

    what happens to an industry if a firm is making large economic profits?

    asked on December 1, 2010
  51. COMPUERS

    HELP!!!!! MY KEYBOARD IS STUCK ON CAPS LOCK AND ALL MY FRIENDS ARE MAD AT ME BECAUSE THEY THINK I AM YELLING! PLEASE TELL ME HOW TO GET MY KEYBOARD OFF OF CAPS LOCK!! ITS RUINING MY LIFE!!

    asked on September 10, 2010
  52. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked on March 3, 2010
  53. Math

    The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for

    asked on February 15, 2010
  54. calculus

    how to i evaluate the integral of dx/ (x^2 +9) with a u substitution of x/3? Can someone show this step by step?

    asked on February 8, 2010
  55. health

    i was wondering whether anyone came accrossa fascinating storiy in a newspaper or magazine recently about somethin unbelievable related to health. I have to facilitate a discussion in my life ed class about a health topic and i thought i would find an

    asked on October 14, 2009
  56. Science

    Hey....I need help with my homework. I'm in 9th grade, high school. Its pyhsical science about Atomic Math.. Heres the question: Multiply the atomic number of hydrogen by the number of electrons in mercury, which has an atomic number of 80.

    asked on December 6, 2007
  57. Ka

    she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i pic B am i cerrect ?

    asked on April 11, 2013
  58. Math-unit rates

    Find the unit rate for $27.40 for 4 hours of work

    asked on September 18, 2012
  59. Math-unit rates

    160 words typed in 4 minutes?

    asked on September 18, 2012
  60. Psychology

    The research of Solomon Asch revealed that: a.participants in the study conformed to the erroneous group response in one-half of the trails. b.all participants in the study conformed to the erroneous group response in each trail. c.participants in the

    asked on October 26, 2011
  61. algebra

    xy squared-3z all over 3

    asked on September 10, 2011
  62. math

    what is 200000 times 56 =?

    asked on March 8, 2011
  63. algebra

    determaine if the two lines are parrallel , perpendicuar, or neither. line a: y = 4x line b: x + 4y = 2

    asked on November 29, 2010
  64. Us History

    In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions? Be sure to

    asked on October 15, 2010
  65. Math (Geometry)

    A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

    asked on March 11, 2010
  66. Math-Geometry

    I'm having trouble with these two questions about slopes and equation of a line: (A)-Find the slope of each segment (B)-Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,-4) 2. (-3,2) and (7,-4) Thank you!

    asked on February 20, 2010
  67. French

    does "rester debout" mean to remain standing? if so, could i say I was very embarrassed because i remained standing while the rest of the class sat down : j'ai été très gêné parce que tout le monde dans la classe s'est assis mais je suis resté debout

    asked on February 9, 2010
  68. 4th grade

    Does anyone know of some websites that I could use to help build a medieval castle for my project.

    asked on April 7, 2009
  69. Chemistry

    Developement of avogadro's number/mole concept?

    asked on March 25, 2009
  70. BIOLOGY

    What is an intestine with spiral value? What is a ventral mouth? :)

    asked on February 21, 2009
  71. language arts

    Melissa was not going to let Randy own the whole chorus . Q . the sentence means that Melissa ? A. wont let randy decide who will record the song . B. doesnt want randy to write the whole chorus c. wont let randy take credit for writing the whole song d

    asked on April 10, 2013
  72. MATH

    Unit rate for 12.64 for 8 packages of juice

    asked on September 19, 2012
  73. Law

    if ______ on the internet are not adequately phrased the researcher can pull up thousands of sites that are unrelated to the topic at hand a. responses b. queries c. classifications d. codes i think its B is that right?

    asked on October 26, 2011
  74. Microeconomincs

    Why does the Average Physical Product curve slope downwards?

    asked on December 2, 2010
  75. SCIENCE

    HELP ME!! EVERYONE IS MAD AT ME BCUZ THEY THINK I AM YELLING AT THEM BUT REALLY MY COMPUTER WILL ONLY DO BIG LETTERS! IF THERE IS A SOLUTION TO THIS PLEASE HELP ME. THIS IS NOT A JOKE.

    asked on October 4, 2010
  76. 5th grade Math

    A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.

    asked on March 11, 2010
  77. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked on March 2, 2010
  78. english

    please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and

    asked on March 3, 2010
  79. History

    Can anybody help me find some primary sources on the typewriter?

    asked on January 1, 2010
  80. History/Lang Arts?

    Is there a word that describes how you express an idea? I am doing a project on the typewriter and I want the heading to be something like "The changing of..."

    asked on January 1, 2010
  81. math

    let x= t^2 + t and let y=sint a) find the deriviative as a funciton of t b) find d/dt(dy/dx) What does part b even mean and can someone show me how to figure this out?

    asked on October 18, 2009
  82. physics

    The horizontal acceleration of a projectile is what?

    asked on October 15, 2008
  83. math

    0.57 repiton

    asked on September 10, 2008
  84. language arts

    she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i don't understand so can You Give

    asked on April 10, 2013
  85. Math-unit rates

    Find the unit rate for $27.40 for 4 hours of work

    asked on September 18, 2012
  86. economic help!!! please

    what happens to an industry if a firm is making large economic profits?

    asked on December 1, 2010
  87. science

    Secretin a) stimulates the release of alkaline products by the pancreas b) stimulates the gastric juices c) is released by the salivary glands d) decreases the stomach's churning activity e) stimulates the release of digestive enzymes I think that the

    asked on February 19, 2010
  88. U.S History- 8th grade

    What was the major difference between the three regions? (geographical difference) The regions are england, middle and southern.

    asked on December 13, 2009
  89. english

    what are phrases that mean someone has gone crazy: My first example: See flew way over the cucoos nest

    asked on October 8, 2009
  90. BIOLOGY EEI

    needing some ideas on an extended experimental investigation on how chemicals stimulate plant growth (maybe a crop or vegetables)

    asked on July 23, 2009
  1. Math

    The anwser is 0.38. It’s because 25.14 - 24.78 = 0.38, 24.78 -24.38 = 0.38, and 24.38 - 24 = 0.38. The common difference is 0.38

    posted on January 7, 2019
  2. Algebra

    it becomes positive

    posted on May 17, 2018
  3. American Government

    Shyanne's answers are correct.

    posted on November 15, 2016
  4. math

    130 - 4 = 126 126 : 7 = 18

    posted on September 7, 2016
  5. language arts

    C restless Am i cerrect ?

    posted on April 10, 2013
  6. Physical Science

    can you uncramble this? F E C Y M R A N T A T S I D M I L O W O H F R S

    posted on October 4, 2012
  7. Psychology

    oh ok so its C! thanks

    posted on October 26, 2011
  8. physics

    You desperately want to qualify for the Olympics in the long jump, so you decide to hold the qualifying event on the moon of your choice. You need to jump 7.52 m (and conveniently beat Galina Chistyakova's record) to qualify. The maximum speed at which you

    posted on September 25, 2011
  9. hcs/335

    can someone help me i just need to know if it is right

    posted on March 4, 2011
  10. hcs/335

    thats what i mean i do not uderstand the question, can you elaborate for me?

    posted on February 9, 2011