1. concept development

    Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d.
  2. Physics!

    Consider someone in a rotating space habitat. The outward force felt by the person A.has no reaction counterpart B.is an interaction with Earth C.is a form of gravity D.is real in the traditional sense
  3. algebra

    I don't quiet know where to start can anyone help guide me? Bonnie has a container in the shape of rectangular pyramid. The formula for the surface area of the enclosed space is S=lw+0.5Ph. Solve for P? P= S - lw- 0.5h P= S + lw + 0.5h P= S-lw/ 0.5h P=
  4. Exploring Space

    if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible? Would gravity control be helpful? Antimatter? Warp-Drive? I need help answering this question:-(
  5. Math

    Driving down a mounain Jim finds that he has descended 1800FT in elevation by the time he is 3.25 mi horizontally away from the top of the mountain find the slope of his decent to the nearest hundreth. I am sorry that you did not get a response to your
  6. Chemistry- Dr.Bob222

    Predict the effect of decreasing the temperature on the position of the following equilibria. (a) H2(g) + Cl2(g) ↔ 2HCl(g) + 49.7 kJ My answer: shifts to the right (b) 2NH3(g) ↔ N2(g) + 3H2(g) ∆ H = 37.2 kJ My answer: shifts to the left
  7. calculus

    The height (in feet) attained by a rocket t seconds into flight is giving by the function h(t)= -1/3t^3 + 16t^2 + 33t + 10 When is the rocket rising? When is the rocket decreasing? when does it reach its maximum height above the ground? what is the maximum
  8. calc 2

    The height (in feet) attained by a rocket t seconds into flight is giving by the function h(t)= -1/3t^3 + 16t^2 + 33t + 10 When is the rocket rising? When is the rocket decreasing? when does it reach its maximum height above the ground? what is the maximum
  9. accounting

    2. Final Project: Business Plan Resources: Appendix A Due Date: Sunday Day 7 [Individual] forum Write a 700- to 1,050-word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is
  10. math

    Find the least squares approximation of x over the interval [0,1] by a polynomial of the form a + b*e^x --------------------------------------------------------- The polynomial produces an output space with two linearly independent basis vectors: u1 = 1,
  11. 4 CALCULUS study problem

    1. How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dV/dt, the change in volume with respect to time, which is 15 cubic centimeters per second. The rate
  12. business information system

    ROI & NPV: wireless order-tracking system I need to identify the ROI and NPV of the wireless order-tracking system. Here is the information I have been given: - The acquisition cost is $35,000 paid at the time of installation. - It reduces the wait staff
  13. English

    Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence structure. Ever been assigned to work on a group project for class! Many students dread group projects: because one student typically
  14. Composition

    Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence structure. Ever been assigned to work on a group project for class! Many students dread group projects: because one student typically
  15. Social Studies

    How was/is the law and order kept in the society? We're learning about the government of Ancient Rome. Full Question: How was/is the law and order kept in the society of Ancient Rome and how did the government ensure the society would follow the law?
  16. Calculus

    A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 2.3 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the
  17. Calculus

    A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 1.2 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the
  18. Stats

    Hello, I need help determining what x and y are in this question.inoder to answer this question:What is the correlation between the rankings of the two psychiatrists? A psychologist has constructed a paper and pencil test purported to measure depression.
  19. stats

    Hello, I need help determining what x and y are in this question.inoder to answer this question:What is the correlation between the rankings of the two psychiatrists? A psychologist has constructed a paper and pencil test purported to measure depression.
  20. English

    Hello. Please help me. 1)Is "any" a must in such structures as "he doesn't have any friends" or is it possible to say "he doesn't have friends"? 2)Does "defend" have the same meaning as "protect" in the context "he was accused of protecting the ousted
  21. English

    Here are the linguistic objectives which I'm going to vary as English should be the lingua franca. Is it correct to mention the objectives using the gerund??? They didn’t consider the pupils’ point of view. What do you think? 1) Linguistic objectives :
  22. stats

    Anita's a fast food chain specializing in hotdogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant so it can make decisions reguarding possible construction of the in-store play areas.the attendance of
  23. science

    imagine you are in a spaceship flying from the earth - describe what you see from the space and how you feel as it moves out of the gravitation pull of earth?
  24. statistics

    A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?
  25. Physics

    What is the frequency of the electromagnetic radiation from outer space that reaches the earth with a wavelength of 1 x 105 m, and a velocity of 1 x 105 m/s?
  26. Itt-Tech

    How much space does the dining are take up for an airship assume the mass of the balloon is 1000kg and dining are for 100 quest
  27. math

    Please can you me What a linear inequality describes the graph of a dashed line passing through (0,3) and (6,0) with the space beneath the graph shaded?
  28. Physics

    Two things infinite sheets have uniform surface density of charge+5 and _5 .electric field in space between two sheets is
  29. math

    a room is 30 ft long, 25 ft wide and 14 ft high. if 42 balloons are inside the room, how many cubic feet of space does this allow for each balloon?
  30. AP Biology

    With regards to photosynthesis, if the following problems occurred, how would photosynthesis be affected? 1.) a.) NADP+ is not present in the thylakoid space b.) CO2 is not available to the plant Thanks
  31. science

    imagine you are in a spaceship flying from the earth - describe what you see from the space and how you feel as it moves out of the gravitation pull of earth?
  32. math

    A pair of dice is rolled.What is the probability that the sum of the pips is either an even number on a multiple of 3? total number of space is 36.
  33. Geography

    13. Distance - decay and Time-Space Compression represent the same thing within diffusion. True False True?
  34. Physics

    the space shuttle is in a 250 mile high orbit. What are the shuttle's orbital period, in minutes, and it speed?
  35. physics

    An electron is traveling through a region of space in which the electric field is along the +x direction and has a magnitude of 1560 N/C. What is the acceleration of the electron?
  36. CALCULLUS

    Question 2: If is the position of a particle in space at time .Find the angle between the velocity and acceleration vectors at time
  37. math

    A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die. 9) _______ A) {6} B) {36} C) {1, 2, 3, 4, 5, 6} D) None of these
  38. hardware

    What percentage of the address space of IP4 do the network classes of A, B, and C represent? ( Hint: Think of the classes in terms of power of 2.)
  39. Marine Science

    Organisms on a rocky shore compete for all of the following except? 1) Affection 2) Nutrients 3) Space 4) Light I think the answer might be light but im not sure.
  40. Calculus

    The position vector r(t) = <7t, 6cost, 6sint> describes the path of a particle in space. What is the particle's speed? A. 3√7 B. √93 C. √85 D. 149 E. 21
  41. physics

    20.00 cm of space is available. How long a piece of brass at 20°C can be put there and still fit at 200°C? Brass has a linear expansion coefficient of 19 × 10^-6/C°. 1-19.93 cm 2-19.69 cm 3-19.50 cm 4-19.09 cm
  42. linear algebra urgent

    Use the Gram-Schmidt process to transform the basis 1 1 1 , 0 1 1 , 2 4 3 for the Euclidean space R3 into an orthonormal basis for R3.
  43. college math

    Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far
  44. MATH Prob.

    A 6-sided die is rolled. The sides contain the numbers 1,2,3,4,5,6. List the sample space of rolling one die.
  45. Statistics

    A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?
  46. physics

    Two charges q = 3.0ì C are fixed in space a distance d = 4.5 cm apart. With V = 0 at infinity, What is the potential energy U of the three-charge configuration when the third charge is in place?
  47. statistics

    what is the sample space for this experiment: select two cards from a deck of 52 cards and observe the color of each card drawn.
  48. Earth/Space Science

    Explain why scientific ideas that have been subject to many tests are still considered theories and not scientific laws.
  49. Physics

    20.00 cm of space is available. How long a piece of brass at 20°C can be put there and still fit at 200°C? Brass has a linear expansion coefficient of 19 × 10^-6/C°. 19.93 cm 19.69 cm 19.50 cm 19.09 cm
  50. bio

    How are the various types of blood vessels different in structure? How do these structural differences relate to their functions? Consider the presence of valves, muscular control of constriction and dilation, and the presence or absence of multiple tissue
  51. Bio(its urgent!)

    according to cell theory, the cell is the basic unit of structure and function in the body. in two or more sentences, explain how this fact relates to the need for digestion. please i help! i have searched the sites but cannot find a answer...... plz help!
  52. Chemistry

    Calcium fluoride is the well-known mineral fluorite. It is known that each unit cell contains four Ca2+ ions and eight F- ions and that the Ca2+ are arranged in a face-centered cubic lattice. The F- ions fill all the tetrahedral holes. The edge of the CaF2
  53. Solar Energy

    Family Cartman has a small house in the country side which is not connected to the grid. The place enjoys 4 equivalent sun hours. Therefore, Mr Cartman has decided to install an off-grid PV system in the house to supply the required electicity in the
  54. physics

    A 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is
  55. Physics

    a 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is
  56. statistics

    Assume that you own a small factory. A critical piece of machinery in your factory will need to be replacedin 180 days. If the machinery does not show up on time, you will need to shut down until it arrives. This might cause you to permanately lose
  57. Statistics

    A Youth Correction Center completed a study to explore the proportion of delinquent behaviour, according to birth order, among two groups of teenagers (males and females, age 12-17). The data are given in the table below. Determine whether there is a
  58. Algebra 2

    I am trying to factor a 4th degree polynomial that does not have any rational roots. I need to somehow get it factored into two quadratics. Anyone know of a method to use. 3x^4 - 8x^3 - 5x^2 + 16x - 5 Two of the irrational roots are 1.135.. and 0.382.. but
  59. Finance

    In an amortized loan, the principal portion: increases with every payment and is zero with the last payment. increases with every payment and completely repays the loan with the last payment. increases with every payment but at a decreasing rate. does not
  60. Chemistry

    Predict the order of increasing vapor pressure (at a given temperature) for the following compounds: FCH2CH2F and FCH2CH2OH and HOCH2CH2OH. Explain your decision briefly. ANSWER: I suppose the order is FCH2CH2F and FCH2CH2OH and HOCH2CH2OH (increasing from
  61. Flotation machine can meet the performance require

    Flotation Machine can be used to separate nonferrous metal, ferrous metal, heavy metal, nonmetallic mine, chemical material and recycling minerals. Each chute can inhale gas, sink magma, separate. No assiting equipments are required, and Flotation Machine
  62. Organic Chemistry

    Order the following in order of increasing bond vibration frequency: O-H, sp3 C-H, sp C-H, sp2 C-H A. O-H < sp3 C-H < sp C-H < sp2 C-H B. sp3 C-H < O-H < sp2 C-H < sp C-H C. sp2 C-H < sp3 C-H < sp C-H < O-H D. sp3 C-H < sp2
  63. geometry

    Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches.
  64. geometry 2

    Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches.
  65. geometry

    Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches.
  66. Electricity

    when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the
  67. chm

    The Lewis dot structure of ammonia, NH3, reveals that it has one lone pair of electrons and three bonds (each to a hydrogen) around the central nitrogen atom. According to VSEPR theory, what molecular shape will it have? i thought it was tetrahedral but
  68. Biology II

    Discuss the biological importance of each of the following organiz compounds in relation to cellular structure and function in plants and animals A) Carbohydrates B) Proteins C) Lipids D) nucleic acid Like my problem is I don't really get what it is asking
  69. Basic English

    9. Which of the following sentences contains a comma splice? A. Our friend, who travelled from Tennessee, was quite tired when he arrived. B. The kitten climbed the drapes, it couldn't figure out how to get down. C. The cruise ship docked on Oahu, then
  70. physical science

    The exact question how are the following terms related - subatomic particels and atomic mass unit. The heading on the page is review and reinforcement structure of an atom - the three main subtomic particles are the proton, the nuetron and the electron.
  71. english literature

    What is the best way to structure and answer an essay with a question that has more than one question in a question
  72. Physics

    Hey, have a question in Physics From a power magazine released 300,000 gallons of water pr.sekund into a pipeline leading to a turbine plant. Height difference between the magazine and the turbines are 300meter. The turbines provide 0.7 GW power. How large
  73. Government

    With regard to public opinion,the Supreme Court: A.ignores it completely in order to make decisions that are based on enduring values rather than the public's passing whims. B.remains uninformed about it because justices stay on the bench for life and
  74. Chem

    Define isoelectronic series. Put the K+, Ca2+, Cl-, and Ar ions and atoms in order of increasing size and explain the trends. Count the number of electrons for each atom Then, explain the (column) size trend for Mg2+ versus Ca2+ ions Is the order cl k ca
  75. Program planning

    Developmentally appropriate curriculum A. teaches children about development. B. provides easy activities. C. allows children to choose the structure for their own experiences. D. requires children to learn academic content.
  76. English

    Which of the following best defines parallelism? A. the use of symbols and figures of speech B. the repetition of a grammatical structure or arrangement of words C. the use of words or phrases with emotional associations D. the expression of the same idea
  77. English (quick Sentence)

    Hi Teachers, I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his daughter told us of what he said we promised that we will all be in part of helping him and making him feel like family.
  78. Physics

    A solar panel (an assemblage of solar cells) measures 58 cm x 53 cm. When facing the Sun, this panel generates 2.7 A at 14 V. Sunlight delivers an energy of 1.0×10^3 W/m^2 to an area facing it. What is the efficiency of this panel, that is, what fraction
  79. science

    A researcher wants to develop a new pharmaceutical compound to treat pain. Which of the following strategies will likely be the most effective process? A. Test extracts from newly discovered plants for pain-killing substances. B. Read anthropological
  80. World history; Check:P

    Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. The Assyrians were the first to use iron in their weapon works. They used it in spears, swords, shields and armor. They had the most
  81. stemplot one more question

    No, I don't think you should round the data. The stems should probably be the numbers 13,14,15,...,19 Line them up like this with the leafs to the right S L 13 |9 14 |8,9 15 |2,8 . . . You can finish it. Starting the stems with 1 would accomplish nothing
  82. Math

    The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.
  83. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times
  84. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times
  85. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times
  86. Chemistry

    1) The order of the boiling points for the hydrogen halides, except for HF, is HI > HBr > HCl. The reason for this order can be attributed to a) the relative covalent bond strengths. b) differences in hydrogen bonding. c) differences in dipole-dipole
  87. computer science(Algorithm)

    An m X n YOUNG TABLEAU is an m X n matrix such that the entries of each row are in sorted order from left to right and the entries of each column are in sorted order from top to bottom. Some of the entries of YOUNG TABLEAU maybe ¡Þ, which we treat as
  88. English

    Replace the underlined portion or leave it. 1. The study of Kenya's history as a colony will help you see how colonialism works and thus understand how destructive it was to the people were colonized. Underlined portion: people were a. no change b. people
  89. calculus

    A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 1.1 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the
  90. Physics

    The average wind speed at a height of 80m over the North Sea is estimated to be about 9 m/s. Norway plans to build a 10-MW wind turbine in the North Sea, which will have blades of diameter 145m producing an average of 3 MW of power. Calculate the
  91. CENE

    A primary sedimentation tank that has a removal efficiency of 65% and settles out solids from a wastewater that has a SS concentration of 220 mg/L. The wastewater flows into the sedimentation tank at a rate of 2.35 million gallons per day (MGD). How many
  92. i need help completing this MATH question!

    ORDER OF OPERATIONS step 1. first do operations that accur within_____________. step 2. then evaluate_________. step 3. then do_________and_______from left to right. step 4. finally, do______and_______from left to right. here are your choices in
  93. Calculus

    1.At noon of a certain day,ship A is ^0 km due north of ship B. If A sails east at 12 km/hr and B sails north 9 km/hr,determine how rapidly the distance between them is changing 2 hrs later. Is it increasing or decreasing? 2.At a given instant the legs of
  94. Chemistry

    1. The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10^−8 L/mol/s. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10^−4 M? 2. The rate constant
  95. calc

    Consider the function below. (Round the answers to two decimal places. f(x) = 2x tan(x) -p/2 < x < p/2 (a) Find the interval where the function is increasing. Find the interval where the function is decreasing. (b) Find the local minimum value. (c)
  96. Math

    Arrange these in order from least to greatest: arctan(-sqrt3), arctan 0, arctan(1/2) So far I got the first two values, arctan(-sqrt3), and that's 150 degrees. Arctan 0 would be zero degrees. I'll use just one answer for now, but I know there's more than
  97. chemistry

    three compounds A,B and C all have the formula C5H8. All three compounds will decolorize bromine in CCl4. Compound A reacts with NaNH2. Compounds A and B both yield pentane when they are treated with excess H2 with the pt catalyst. Under the same
  98. pharmaceutical calculations

    1. A chemical crystal weighs 3.630 grams in air and 1.820 grams when immersed in an oil. If the specific gravity of the oil is 0.837, what is the specific gravity of the chemical? 2. A piece of wax weighs 42.65 grams in air, and a sinker weighs 38.42 grams
  99. Math

    Redo problem 13 from section 1.8 of your textbook (page 62), but use the functions in the questions below rather than the functions in your textbook: (a) In order to express the function y = 1311 x − 4, as a composition of two functions the outer of
  100. math

    Two players play a game on the Cartesian plane. The game starts by placing a token at a lattice point in the first quadrant. The players alternate turns, with player one going first. On her turn, player 1 can move the token 2 units to the left or 1 unit