1. Introduction to HS

    I am having trouble with a question. In order to get an idea of significant subject areas in a chapter, it is best to read the. A. Subheads B. Graphics C. Captions D. Table of contents In my study guide it states : Read all the subheadings and
  2. pre-algebra

    a woman jogging at 6 mph passes a man biking the in opposite direction at 12 mph. If they maintain there speed, how far from each other will they be 10 minutes after passing? I tried 12 divided by 10 + 6 divided by 10 = 1.8 but I am not sure if that answer

    The average kinetic energy of an atom in a monatomic ideal gas is given by KE=3/2kT, where k=1.38*10^-23J/K and T is the Kelvin temperature of the gas. Determine the de Broglie wavelength of a helium atom (mass=6.65*10^-27kg) that has the average kinetic
  4. physics

    Can someone check these? 1. What device, developed in 1970, is able to make images of individual atoms? 1. The X-ray crystallographer 2. The laser 3. The Brownian motion detector 4. The scanning electron microscope My answer: 4 2. Which of the following is
  5. Preschool/Storytelling

    Would you please look over my answers to these questions and see if you agree that I have chosen the best answer. If my answers are wrong-please let me know. 1. When storytelling,memorization is: A. a good idea for phrases or sections that are repeated in
  6. Clinical Chemistry

    I have 2 questions relating to clinical chemistry... 1st: I have no idea where to even start with this. It seems like it should be simple, but I have no clue. The question is... "In serum, about 55% of total serum calcium is bound. The measurement of
  7. physics

    Hi! could anyone help me please, I have no idea how to this at all. I try to it but, the did not get the right answer. Thank for your help Oppositely charged parallel plates are separated by 5.34 mm. A potential difference of 600 V exists between the
  8. College Physics w/Calculus

    (a) What is the escape speed on a spherical asteroid whose radius is 570 km and whose gravitational acceleration at the surface is 3.1 m/s2? (b) How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 1000
  9. Math

    Why is estimating before you subtract a good idea?
  10. science

    i have no idea what to do for my manatee onclusion. Any ideas for what to say?
  11. English

    How do you know what the topic and main idea of a paragraph is?
  12. english

    What is the main idea of the shepards daughter
  13. Pre-Cal

    What is the domain of f/g? f(x)= x over x+1, g(x)=x^3 I have no idea how to figure this out!

    If the function f(x) is differentiable and f(x)= {ax^3 + 6x, if x≤1 {bx^2 + 4, if x>1 then a = What do I do?? No idea what's going on..
  15. Algebra

    I am really confused and I think I have the wrong idea. Can you please take a look? 8[-52-(65-61)] 65 - 61 = 4 + 52= 56 -8 * 56 -448
  16. Alg2

    Rationalize the demoninator of each expression. (9y/x)^4 i have no idea how to do that
  17. help i have no idea!!!!!!

    the challenges Earhart faced throughout her life.
  18. science

    what is the big idea of energy transfer
  19. Calculus First Derivatives

    If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.
  20. Language arts

    What is the central idea of the selection
  21. mathematics

    To what value does the sum 20+12+36/5 tend as n.I really don't have any idea.
  22. Math

    How do i graph the function y^2=x*(x-4)^2. I have no idea where to begin.
  23. Calulus

    [(5.2)^x (5.2)^-7]/(5.2)^-5 That whole thing is (5.2)^9 But I have no idea how to find the exponent x?
  24. science

    whats the big idea of partcles?
  25. English

    What does it mean by "What is the supporting idea in this part of the speech?"
  26. Math (repost)

    Given f(x) and g(x)=f^-1(x). If f(1)=4 and f'(1)=-3, then find g'(4). ...No idea where to start with this. Please help? Thanks much!
  27. Critical Thinking

    What is the value of looking at an idea as a four categorical proposition.
  28. Pre Calculus

    e^-x sqrt(3e^2x -5/4) = e^x No idea how to approach this.
  29. Literature

    How would you define Emerson's idea of "mean egotism"?
  30. ELA

    What is the implied main idea of the passage>
  31. life orientation

    What is viable business idea what does it mean?
  32. Math

    Find the y- and x-intercepts for the equation. I have an idea what it might be, but want to be sure. I would appreciate the help! Thanks! f(x) = - 3 - 7x

    I have no freaking Idea on how to do this 4) R {1,2,3,4,7} T{3,5,6,7} What is the intersection of R & T? 5) What are the subsets of {-2,-1}?
  34. English

    Does anyone hae an idea of where I could look for the moral of this fable
  35. Please help me here!!! Maths

    Isolve for x: ln(x^2-6x-16)= 0 . help me beacuse I do not have the idea to work it out.
  36. Geography

    Who is assosciated with the idea of the cultural landscape
  37. science

    what are the vegetable parts of a plant? i have no idea
  38. math

    How do i factor? a)5a^2b+ab^2 b)9k^2-1 c)2y^2-5y+2 If i can get an idea how to do these and i work the rest i have to do myself, thanks
  39. Math help please

    1. 2(3x + 5) = 46 4 5 6 7 2. 1/2x + 1/4x = 16 16 21.3 32 64 3. 6 - x - x = 18 -6 6 9 -9 4. 4x - 3/5 = 2/5 1/5 5/5 1/2 1/4 My answers: 1. 6 2. 21.3 3. ???? 4. 1/4 I have no idea how to solve 3! Can you please explain? Thank you
  40. help i have no idea!!!!!!

    No one is useless in this world ... who lightens the burden of it for any one else
  41. math

    Find the difference by using the idea that a - b = a + (b): a. -12 - (-6) b. - 7 - 4 c. 11 - (-8) Thank you, I do not understand.
  42. Math

    how do you add the following fractions. (X^2-6x)/(x^2+7x)+(x^2+5x)/(x^2+7x)? what do you get when you simiplify it because i have no idea how to :(
  43. Math

    Which ordered pair is not a solution of y= -4x -9 A(-9,27) B(3,-21) C(-6,15) D(5,-28) I have no idea how to do this help please
  44. Algebra

    If (x+2)² = 25 and x > 0, what is the value of x? I have no idea what to put for x, if someone could please show me the steps ?
  45. another law question

    where did the idea of 'circle sentencing' come from?
  46. math

    write an equvilant expression of k+sr is i have no idea
  47. Science

    I need an idea for something cool to do with a polymer pellet?
  48. Please Help work it out! LOGARITHM

    log4(3x-7)^2=10. I have no idea in working it out.
  49. eng 10 h

    How would you define Emerson's idea of "mean egotism"?
  50. Calculus

    What is the derivative of 3sin(4x)? I have no idea where to begin!!!
  51. English

    What could the main idea of Through The Tunnel be, in a sentence?
  52. Math

    I have no idea how to start. I cannot remember how to solve this for anything. 3x/4+6=-12
  53. Art

    When an idea is presented in a way that is original, it is considered to be
  54. algebra, help please?

    So the problem is y-2=y+2 Would I subtract 2, or add the two? because i know you have to do something with the two, but I have no idea what.. Thank you!
  55. Math

    solve for the indicated letter. z=11-y, for y the solution is y= No idea
  56. biology

  57. Psychology help

    What's a good theme that goes with the idea of encouragement?
  58. Physics 12

    "A pendulum consisting of an object of mass 1.3kg suspended from a string of length 1.9m is pulled aside so that the string makes an angle of 28 degrees with the vertical. At the instant the pendulum is released, what is the magnitude of the unbalanced
  59. physics - another question

    Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is
  60. science ( physics)

    hello, i am having trouble with this problem. Calculate the average force of friction acting on a wood block as it is propelled along the floor by an elastic band ? my solution and my ideas: What does it mean by average froce of friction? I first weighed
  61. Physics

    One of the fastest recorded pitches in major-league baseball, thrown by Billy Wagner in 2003, was clocked at 101.0 mi/h . If a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate, 60.5
  62. Chemistry

    so i got a test and like usual my teacher didn't teach me half of the stuff that's going to be on it so he gave us a pretest of what is going to be on it and an answer key and i got several questions 13.) what is the pH of a formic acid if the
  63. Physics

    A cubical block of wood 0.100 m on a side and with a density 550 kg/m^3 of floats in a jar of water. Oil with a density of 750 kg/m^3 is poured on the water until the top of the oil layer is 0.035 m below the top of the block. 1. How deep is the oil layer?
  64. Physics

    I have no idea how to do this. Anyone help? A cyclist passes a race check point at +5.5m/s and then accelerates ata constant rate of +.55 m/s^2. The cyclist forgot to check in at the check point, and after 20s turns back around to head back. How far did
  65. Physics AP C

    Two trains, each having a speed of 22 km/h, are headed at each other on the same straight track. A bird that can fly 60 km/h flies off the front of one train when they are 70 km apart and heads directly for the other train. On reaching the other train it
  66. physics

    I have no idea how to start this problem. I don't want the answer just how to start.A supertanker (mass = 1.70x10^8kg) is moving with a constant velocity. Its engines genterate a forward thrust of 7.40x10^5N. Determine (a) magnitude of the resistive force
  67. Physics HELP PLEASE

    two spherical objects are separated by a distance of 9x10^-3 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As a
  68. Physics

    Two trains, each having a speed of s, are headed at each other on the same straight track. A bird that can fly at speed 2s flies off the front of one train when they are d apart and heads directly for the other train. On reaching the other train it flies
  69. Physics

    Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 5.53 m. The stones are thrown with the same speed of 8.62 m/s. Find the location (above
  70. Physics

    An organ pipe open at both ends has a harmonic with a frequency of 480 Hz. The next higher harmonic in the pipe has a frequency of 540 Hz. Calculate the frequency of the fundamental and the length of the pipe. I know 540/480 is 9/8. I have no idea where to
  71. physics

    I'm supposed to design a device that will protect a raw egg, GRADE A, (not that its really important to know what kind of egg it is... LOL) But, it will drop from a 12 FOOT height to a concrete floor. The only materials that I'm allowed is about 9 sheets
  72. Physics(Please answer, thank you)

    How do you determine the ymax? I know you have to use Q which I have values that were given to me as well as vo values but I am not sure what to do with these values. Physics - drwls, Saturday, September 15, 2012 at 1:29am Define your terms. I have no idea
  73. physics

    A particle is released on the smooth inside wall of a cylindrical tank at A with a velocity v which makes an angle beta with the horizontal tangent. When the particle reaches a point B a distance h below A, determine the expression for the angle theta made
  74. Physics HELP!

    I have NO idea how to do this! any help is great! A car of maass 1330kg is traveling at 28m/s. The driverapplies the brakes to bring the car to a rest over a distance of 79m. Calculate the retarding force acting on the car. From this i can see that it
  75. Community Service Idea

    my class ( of 13 students)have all created poems describing ourselves. we have decided to put it all together into a big community service project by making t-shirts and postcards related to our poems (most of the poems are about making good choices and
  76. Physics

    A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path, determine a)the speed of the first ball after the collision. b)the speed and direction
  77. 7th grade math Ms. Sue please help I have no idea!

    #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements? * *Show all your work for full credit* #11 The coordinate of rectangle ABCD are given. Find the
  78. reading/english

    When studying the world of living things, biologists and other scientists use the scientific process. Observtions along with precious data are used to formulate a hypothesis. New observations and or experiments are carried out in order to test the
  79. URGENT MATH help

  80. Trigonometry

    Establish the identity: (1 - cos^2 0)(1 + cot^2 0) = 1 No idea!
  81. social studies

    what idea does pan-Africanism refer to
  82. Algebra

    (x-3)/(x^2-4x+3) Hello My name is Megan Watt, and I have no idea how to solve this. I am so lost.
  83. Algebra

    (x-3)/(x^2-4x+3) Hello My name is Megan Watt, and I have no idea how to solve this. I am so lost.
  84. communications

    Does anybody know what an eletronic version of a print ad is? I have an idea, but I am not sure if I am correct
  85. English 3

    How can a reader find the main idea of a passage
  86. Accounting

    Does anyone have any idea what the Acronym ADE / CLR stands for? Thanks for your help.
  87. Math

    Write 1/6 as a complex percent. The answer is 16 2/3%. I have NO idea what to do. Thank you
  88. Algebra 2

    Find the value of K so that the point P lies on the line L. 1. P(2,1), L: 3x + Ky = 8 2. P(2,2), L: Kx + (K + 1)y = 2 Help me i have no idea how to do this! :[
  89. US History

    I have googled and can't find what "Village in Between" means. Any idea where else I can look?
  90. math

    Can you help me answer this question? I have no idea how to do this... 1. Is (2,3) as solution of the system 3x +4y = 18 2x - y =1?
  91. science

    how do cells use food using big idea of energy
  92. english

    How do I re word a sentence that is the main idea in a paragraph
  93. math

    Q=3x^2+4y^2 if x+y=7 what is minimum value for Q. I have absolutely no idea how to solve this problem.
  94. Science

    I need an idea of a simple machine to build that is useful... I can't find any though.
  95. science

    how do cells use food using big idea of energy
  96. Biology

    Why is it a good idea to dig compost into the soil.
  97. Social studies

    The spreading information to convince others or an idea
  98. L.A

    Which of the following passages from the novel support the idea that the Giver is a heroic character?
  99. math

    F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps. I honestly have no idea how to do this. Can someone please explain what I have to do?
  100. History

    Why the idea of manifest destiny may have been so attractive during the 1840s?