Questions Asked on
April 28, 2010

  1. english

    What changes have you seen in your lifetime with regard to people's attitude towards the environment?

    asked by Emma
  2. us 210

    Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

    asked by Sara
  3. pre-calculus

    Beginning with the graph of y=e^x, describe each of the transformations that may be used to graph the function y=6+2e^x. Use complete sentences.

    asked by Sun-Lei
  4. Math!!!

    Simplify the following including like terms 13rs(squared)-r+42s(squared)+6s(squared)-8rs(squared)-3r

    asked by Amber
  5. Math-probability

    consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the set of digits 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. Determine the probabilities of the events specified.

    asked by bwb
  6. Math!!!!!!!!!!!!!!

    1+1=2,2+2=4,4+4=8,8+8=16

    asked by VIMIM
  7. algebra

    I am totally lost on how to solve g(x)=2x^2+3x-1 to find the y and x-intercepts. This is what I have so far, but I don't know if I am on the right track. And if so what would be next? g(x)=2x^2+3x-1 =2x^2+3x -1 =(2x^2+3+6) +3-1

    asked by dani
  8. English

    1. What do you think about the movie? (Is 'what' the object of 'think'?) 2. How do you think about the movie? I think with my brain. I think it swiftly. I think it slowly. (Are the answers correct?)

    asked by rfvv
  9. English

    1. We should not eat and drink. (Does it mean that we can not both eat and drink? Does it mean that we can not do the activities at the same time?)

    asked by rfvv
  10. math

    Describe the mathematic process of canceling like factors when working with rational expressions... Demonstrate this with an example

    asked by Laughter
  11. Math

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer
  12. Math

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer
  13. algebra

    describe the mathematic process of canceling like factors when working with rational expressions and demonstrate this with an example

    asked by Laughter
  14. Calculus Ladder Problem

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer
  15. Biology

    For what enzymes is iron especially important? - (Talking about photosynthesis and phytoplankton)

    asked by Krysten
  16. physics

    You are holding a shopping basket at the grocery store with two 0.68- cartons of cereal at the left end of the basket. The basket is 0.80 long. Where should you place a 1.8- half gallon of milk, relative to the left end of the basket, so that the center of

    asked by jenny
  17. ALGEBRA

    need help solving 50=3(r+16)- 2(r-2) and 5(2x-10)/2 + 14 = 19

    asked by DEBBIE
  18. Physics

    A 2m radius uniform 50kg disk has an object of unknown moment of inertia screwed into its center. A constant external force of 200N is applied tangentially to the disk's rim. A constant torque due to kinetic friction of 180Nmrad is present throughout the

    asked by Larry
  19. College Chemistry

    In energy terms, ionization of an electron in an atom corresponds to the transition from whatever quantum state the electron is in to an energy of 0 KJ/mole. Calculate the energy in joules needed to remove one electron in the n=1 state from a hydrogen

    asked by Bach
  20. math algebra with pizzazz

    pg 142 What happened to the computer programer

    asked by jack
  21. geometry

    U=? T=50 120=v&r what is U?

    asked by jeneve
  22. Chemistry

    An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 82.7 g·L-1 at 25 °C. Its osmotic pressure was 0.540 ·102 Pa. Calculate the molar mass of the compound. Cheers

    asked by David
  23. Chemistry

    A pressurised can of whipped cream has an internal pressure of 1.33x105 Pa at 25.0 oC. If it is placed in a freezer at -15.0 oC, what is the new value for its internal pressure (in Pa)?

    asked by Alex
  24. human reations

    Another name for false productivity is

    asked by correana
  25. math

    prove the following: given: ABCD is a trapezoid with bases BC and AD to prove: BX • AX = DX • CX X is the intersection of the segment going from BD and AC i need the answer in a two column proof statements Reasons 1. ABCD is a trapezoid with 1. given

    asked by bob
  26. Concept of Ration

    A father distrubes R500.00 between his three sons that the eldest son gets twice as much as the second son, who in turn, gets as much as the youngest son. Using the Concept of Ratio, determine the amount that each son gets

    asked by TL Matabane
  27. math

    how do you take log(-63)

    asked by eng
  28. Math

    Suppose r(x) = 8(x)^(1/2) represents revenue and c(x) = 2(x)^2 represents cost, with x measured in thousands of units. Is there a production level that maximizes profit? If so, what is it?

    asked by Jenna
  29. Chemistry II

    This is what I have. Could you please correct my work? Thank you. Compute the equilibrium constant for Ni^2+ (aq) and Cd (s). reduction Ni²⁺(aq) + 2 e⁻ ⇌ Ni(s) ; E°_red = -0.25V -oxidation Cd(s) ⇌ Cd²⁺(aq) + 2 e⁻ ; E°_ox = 0.40V (negative

    asked by Carl
  30. criminal law

    As a computing investigator for your local sheriff’s department, you have been asked to go with a detective to a local school that received a bomb threat in an anonymous email. The detective already has information from a subpoena sent to the last know

    asked by peter
  31. AALGEBRA

    NEED HELP SOLVING 3h/2 = 30 and 3(3+r)= 2r+4 so 3x3=9,3xr=3r = 2r+4 9+3r=2r+4 9-9+4=3r+2r ?????

    asked by DEBBIE
  32. physics

    what would be the significance of the photoelectric effect graph if it a) passed through the origin b) had a positive y intercept

    asked by tan
  33. maths

    why is the extrapolation of data points from models beyond the time frame of the original data considered suspect?

    asked by sarah
  34. math

    An advertisement states that eight thermometers cost $12.42 minus a 3% discount. Dr. wants to order a dozen to take advantage of the savings, sales tax is 5%. What would the cost be? Is my math right? I divided 8 by $12.42 and got $1.55 p/thermometer.

    asked by debbie
  35. chemistry

    What is the pH of a .10M (CH3)3N solution? Kb=6.40e-5

    asked by Nancy
  36. Voltage difference

    I am trying to understand what the effects of a voltage difference would have in the method of electrostatic charge spray painting.. Any one?

    asked by Alice
  37. physics

    Hi can someone please explain to me how to get the answers to the following questions. It would be greatly appreciated A pair of horizontal parallel plates are placed a small distance, 4.00 mm, apart in air. Each plate is rectangular with a width of 20.0

    asked by Jessica
  38. CHEMISTRY

    Can someone please help me with this problem. The following cell is set up to measure the concentration of K^+ in blood serum Ag,AgCl | KCl(aq), c=1mol/L | K^+ selective membrane | KCl, c mol/L in serum || NaCl(aq), c=1mol/L | AgCl,Ag 1) If the cell

    asked by Jen
  39. Statistics

    The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of 115 or higher?

    asked by CJ
  40. %

    The original price of a video game is $75. The store allows you to use either a 25-percent-off and then a 20-percent-off coupon, or a 45-percent-off coupon all at once. How much more can you save using simply the 45-percent-off coupon to buy the video game

    asked by sam
  41. math

    In the figure, l is parallel to m, and m( 1) 5 60°. Find each of the following: b. m( 6) l is paralled to m. this is how the numbers are listed 2 1 3 4 6 5 7 8

    asked by crystal
  42. math

    1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that

    asked by crystal
  43. ecology

    Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.

    asked by mark
  44. Physics

    A ball of mass oscillates on a spring with spring constant = 200 . The ball's position is described by (0.350 ) 16.0 with measured in seconds. -What is the amplitude of the ball's motion? -What is the frequency of the ball's motion? -What is the value of

    asked by R
  45. math

    Use the data in the following table to compare the number of people living in the United States from 1810 through 1900 and the number living in the United States from 1910 through 2000. Use any form of graphical representation to make the comparison and

    asked by crystal
  46. 7th grade

    do monsoons affect the climates of both north and south korea?

    asked by donald
  47. high school

    what factors change in experiment, when alkaseltzer is added to vinegar and diluted vinegar- does it speed up tto 45 seconds?

    asked by debra
  48. math

    There are 12,350 seats in a sports arena if 4/5 of the seats are filled for the even,how many seats are filled?

    asked by haris
  49. Physics

    You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near

    asked by lauren
  50. maths - geometry

    In a space with an orthonormal coordinate system consider the plane; &: 4x-3y=12 (a)(i)Find the coordinates of the points of intersection of the plane & with the coordinates axes (=axes intersections???) (ii)Find the parametric equations for the line of

    asked by Anonymous
  51. Using souces and avoiding plagirism

    Which of the following is correct? a quotation is the record of your original source’s main point in your own words a quotation is the record of the exact words of your source indicated by quotation marks a quotation is the record of the exact words of

    asked by christopher
  52. Using souces and avoiding plagirism

    Question 4 What is a summary? a brief restatement using your own words an extended restatement that includes in-depth analysis a brief restatement using quotations an exact quotation of the main idea my answer a brief restatement using your own words

    asked by christopher
  53. catering

    which of the following gadgets is best for making a soft-shell shape out of butter? A.curler B.peeler C.masher D.pick

    asked by parri
  54. catering

    Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in. width. You make a pattern for the dress and record the following

    asked by parri
  55. sewing

    1. The type of machine that uses a needle that goes from side to side is a/an A. chain-stitch machine. B. straight-stitch machine. C. offset machine. D. zigzag machine. 2. Zigzag machines are divided into two categories: A. manual and automatic. B.

    asked by parri
  56. chemistry

    What volume of 12 M HCL must be diluted to make 2L of solution with pH of 4?

    asked by Anonymous
  57. chemistry

    A 4.50e-2 M solution of unknown monoprotic weak base has a pH of 10.200 what is the value of kb for the base

    asked by Nancy
  58. Finance

    If a corporation wanted to guarantee its long term costs of financing an investment project, it could: a.) sell t-bill futures for when the funds were needed b.) buy t-bill futures for when the funds were needed c.) sell t-bond futures for when the funds

    asked by Sam
  59. Finance

    Holly, a speculator, expects interest rates to decline in the near future. Thus, she purchases a call option on interest rate futures with an exercise price of 92-10. The premium on the call option is 2-24. Just before the expiration date, the price of

    asked by Sam
  60. critically anazlyzing images and using them

    Question 1 Which of the following is NOT a question to consider when analyzing visual images? Who produced the image? If there is a foreground and a background, what is in each? What are its parts, do they belong together, or do they contrast with one

    asked by christopher
  61. chem

    Why are titrations using permanganate performed in acid solution?

    asked by help
  62. chem

    Why are titrations using permanganate performed in acid solution?

    asked by help
  63. chem

    Why are titrations using permanganate performed in acid solution?

    asked by help
  64. critically anazlyzing images and using them

    Question 7 Television and print advertisements ____________________. are unbiased; after all, viewers can see the facts themselves may appear unbiased, but they are attempting to shape our opinions by showing viewers the facts they choose to present none

    asked by christopher
  65. Finance

    find present value of 29000 if you invested 9% in 17 quarters

    asked by LaKendra
  66. critically anazlyzing images and using them

    Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

    asked by christopher
  67. critically anazlyzing images and using them

    Question 16 Images help to send messages, so we should choose our images based on ____________________. what the audience wants to see our own favorite images how we analyze our audience, what our underlying claims are, what logic we use, and what emotions

    asked by christopher
  68. history

    Do you think federal government involvement in education is beneficial? Why or why not?

    asked by kirk
  69. math

    Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are these triangles similar? If yes, what is the ratio of correspondence?

    asked by hola
  70. Management

    How does the local, state, or national economy affect your business or place of work?

    asked by Nicole
  71. Management

    Are there business that are relatively recession or depression proof? Why or why not?

    asked by Nicole
  72. Management

    During an economic boom, are there businesses that may not prosper to the same extent as others? Why or why not?

    asked by Nicole
  73. history

    what were the social, economic,and political variations between the north south and west on the eve of the civil war?

    asked by Danielle
  74. geometry

    If the arc on a particular circle has an arc length of 14 inches, and the circumference of the circle is 84 inches, what is the angle measure of the arc?

    asked by Jayme
  75. Geometry

    If I have 21.95 = r cubed, how do I find the r? Thank you

    asked by tim
  76. math

    1. 10^(9x-5)=6^9x-9 x=...? 2. 9*5^(5x-3)=23 x=...?

    asked by Channing
  77. History

    As a result of the Pullman Strike, for the next 30 years the government

    asked by Ally
  78. chemistry

    A certain vinegar is 5.0% acetic acid in water. What mass (in grams) of acetic acid is needed to mix with 185 grams of water to prepare this vinegar?

    asked by Anonymous
  79. Social studies

    The most useful indicator of the degree of democracy reached by a particular society is whether it has a what?

    asked by Charles
  80. research writing as a process

    Question 1 What is one of the first steps in a research project? to think about the purpose of the research project. to consult a writing center tutor to formulate a thesis statement to find all the research you'll need Question 2 Which of the following is

    asked by christopher
  81. chemistry

    Determine the minimum volume of 6.40M HNO3 required to dissolve a 2.40g sample of Cu. 2NO3-(aq)+8H+(aq)+3Cu(s)-->2NO(g)+4H2)(l)+3Cu2+(aq)

    asked by Catalina
  82. research writing as a process

    6.What's the next step to choosing a topic once you've identified a general subject? narrowing the topic formulating a thesis thinking about the nature of writing finding a general topic Question 7 What question should you consider when narrowing the

    asked by christopher
  83. college

    A standard voltaic cell is constructed so that the overall cell reaction is 2Al+3(aq) + 3M(s) --> 3M+2(aq) + 2Al(s) where M is an unknown metal. If ∆G⁰= -411 kJ for the overall cell reaction, identify the metal used to construct the standard cell.

    asked by Stephanie
  84. college chemistry

    Cadmium sulfide (CdS) is used in some semiconductor applications. It is possible to evision the dissolving of this slightly soluble substance as an oxidation-reduction reaction. Calculate the value of the solubility (Ksp) for CdS given the following

    asked by Stephanie
  85. college chemistry

    A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b)

    asked by Stephanie
  86. social studies

    do you know any webs where i can find out about Italy.(i tried italy . com)

    asked by chichi
  87. 4th grade

    Using only 8,1,4,7,3 only appearing once in an answer. The product of two 2 digit numbers plus a number is 3,355. What are the. Numbers?

    asked by micheal
  88. math

    Using only these numbers once for each answer 8,1,4,3,7 the product of two 2 digit numbers plus a number is 3,355. What are the numbers?

    asked by micheal
  89. Distribution & probabilities

    Fluctuation in the prices of precious metals such as gold have been empirically shown to be well approximated by a normal distribution when observed over short interval of time. In May 1995, the daily price of gold (1 troy ounce) was believed to have a

    asked by SEMALAW
  90. college chemistry

    Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the following reactions and approximate free energy changes: Hgb + O2 ---> HgbO2 ∆G⁰ = -70 kJ Hgb + CO ---> HgbCO ∆G⁰ = -80 kJ Using

    asked by Stephanie
  91. college chemistry

    Sodium chloride is added to water (at 25⁰C) until it is saturated. Calculate the Cl- concentration in such a solution. Useful data are provided below. ∆G⁰f (kJ/mole): NaCl (s) -384 Na+ (aq) -262 Cl- (aq) -131

    asked by Stephanie
  92. college chemistry

    a) Is the reaction shown below spontaneous under standard conditions at 25⁰C? CH3OH (g) ----> CO (g) + 2H2 (g) b) Will this reaction be spontaneous at 25⁰C given the following amounts of materials? CH3OH at 1.20 atm CO at 0.080 atm H2 at 0.020 atm

    asked by Stephanie
  93. college chemistry

    If gaseous H2 and O2 are carefully mixed and left alone, they can remain intact for millions of years. Is this “stability” a function of thermodynamics or of kinetics? Give a valid reason to support your choice.

    asked by Stephanie
  94. Calculus

    Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

    asked by Salman
  95. Maths

    Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

    asked by Salman
  96. college chemistry

    Pentane, C5H12, and hexane, C6H14, combine to form an ideal solution. At 25⁰C the vapor pressure of pentane is 511 torr and that of hexane is 150 torr. In the vapor over a pentane-hexane solution at 25⁰C, the mole fraction of pentane is 0.15. What is

    asked by Stephanie
  97. college chemistry

    A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the

    asked by Stephanie
  98. college chemistry

    A) In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water contains about 560 ug of dissolved solids per milliliter. Reverse osmosis units are marketed in this area of soften water. A

    asked by Stephanie
  99. Marketing

    Assume that you are a manager of a bank branch.Write a list of the implications of intangibility for you firm?

    asked by Ana
  100. grants

    im 12 yrs and writing a grant for the school so we can get 'money' to build a toothpick bridge and i have no clue how to write them!!! everything the websites say is soooo confusing!!1

    asked by tinkerbell
  101. physics

    A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 79°C. The other sample has a mass of 83 g and is originally at a

    asked by Kelsey
  102. algebra

    Use the formula 4.9t^2 +vot=s, where t is the time in seconds, vo is the initial velocity, and s is the distance in meters. Approximately how far will an object fall in 4 seonds, if it is thrown downward at an initial velocity of 20 meters per second (vo)

    asked by dani
  103. math

    Simplify the radical expression. sqrt 30/120n^2

    asked by al
  104. research writing as a process

    Question 14 How does a thesis function? A.it points out the inadequacies of the opposing views B.it states your position Cit summarizes the information D.it asks a question Question 17 5 points Save Which of the following is not a debatable thesis

    asked by Christopher
  105. business

    Which economic system is the best solution to handling a crisis of epic proportion?

    asked by amy
  106. Precalculus

    Hi im unsure how do this problem becasue I do not how to go about these types of problems were you make monthely payments each month of the same amount... Janene contributes $50 per month inot the Chaing China Bond Fund htat earns 7.26% annual intrerest.

    asked by Kate
  107. chemistry

    how to make a 100 mL solutino of 1.50M of NaCl

    asked by Matt
  108. algebra

    An object is released into the air at an initial height of 6 feet and an initial velocity of 30 feet per second. The object is caught at a height of 7 feet. Use the vertical motion model, h = -16t^2+vt+s, where h in the height, t is the time in motion, s

    asked by alice
  109. Macroeconomics

    Say you have a 15% inflation rate and a 10% unemployment rate, and inflation is "public enemy number 1", what fiscal and monetary policies could you use to defeat inlfation?

    asked by David
  110. Math

    Write an equation of the line satisfying the given conditions. 45) Horizontal line through ( -2, -5)

    asked by Anonymous
  111. algebra

    Would the vertex of f(x)= -(x+3)^2+4 be (-4,3)?

    asked by dani
  112. Physics

    What is surface tension and what does tension in surface mean. Definition of tension?

    asked by Akashdeep Singh
  113. Political Science

    In the policy making process, explain why things take a long time to get done, clarify why one person cannot do it alone?

    asked by Amy
  114. literature

    What does Seattle say about integrating white and Native American cultures?

    asked by brooke
  115. literature

    The major theme of "life Without Principle" is

    asked by brooke
  116. geometry

    if angle a is 4x + 10 and angle b is 6x + 4, what are the measurements of angle a and b.... if you could help me with this one, I should be able to figure out the rest.... the textbook does not help

    asked by matie
  117. algebra

    Is the line of symmetry in f(x)= -(x-2)^2+2 x=2

    asked by dani
  118. research writing as a process

    Question 20 What does a thesis statement do? explains how you came up with your topic announces what you plan to do in your paper introduces the controlling idea of your paper lays out the process of your paper my answer introduces the controlling idea of

    asked by Christopher
  119. research writing as a process

    Which of the following is not a characteristic of a thesis? It is very narrow. It is expressed in a sentence. It does not announce. It is not too broad. my answer It does not announce.

    asked by Christopher
  120. chemistry

    Which of the following is a weak acid? A)HN03 B)H3P04 C)NH3 D)C03^2- E)OH

    asked by jim
  121. Adjectives and Adverbs

    1.This modifier illustrates the rule that adjectives of two syllables vary. If the word ends in -y, change the y to i and add -er, -est endings. Otherwise, some two-syllable adjectives take -er, -est endings. Others take more, most and less, least. more

    asked by Christopher
  122. Chemistry

    Which compound has a value of Ka that is close to 10^-5? A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3

    asked by jim
  123. research writing as a process

    Question 14 How does a thesis function? it points out the inadequacies of the opposing views it states your position it summarizes the information it asks a question my answer it summarizes the information

    asked by Christopher
  124. music

    what is one of the chief characteristis of beethovens music

    asked by Melanie
  125. Chemistry

    What is the pH of a solution in which [H30+] = 1.2 x 10^-3 M? A)1.20 B)2.92 C)11.08 D)12.80 E)8.33 x 10-12

    asked by jim
  126. Chemistry

    Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15. A)28 Al 13 B)30 Al 13 C)32 S 16 D)32 P 15 E)33 P 15

    asked by jim
  127. Adjectives and Adverbs

    Question 7 This modifier illustrates the rule that adverbs of two syllables take more, most and less, least. more beautiful smaller most safely sillier Question 8 This modifier illustrates the rule that adverbs of two syllables take more, most and less,

    asked by Christopher
  128. science

    Can someone explain to me using a formula, why an increase in carbon dioxide makes the blood more acidic.

    asked by jb
  129. Adjectives and Adverbs

    Question 11 This modifier illustrates the rule that one-syllable words usually take -er and -est endings. mellowest least sweetly less generous nearer Question 12 This modifier illustrates the rule that three-syllable words take more, most and less, least.

    asked by Christopher
  130. phys ed

    im in swim and my teacher thinks i have a bad stroke how do i get a strong stroke

    asked by bills luver
  131. Math

    Provide an example of at leave five ordered pairs that do not model a function.? The domain will be any 5 integers between 0 and 20. The range will be any 5 integers between -10 and 10. Can someone please help me with this? Explain how you got the answer

    asked by Sarah
  132. physics

    Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 1, and 2. [Answer: F3=m1gcos1+m2gcos2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both

    asked by sarah
  133. Math

    I can't figure out the function rule for one problem: X [] -2 12 1 9 4 6

    asked by Jerious
  134. English/ Novel

    I am trying to summary each chapter for the book Romiette & Julio by Sharon Draper. Please help!

    asked by Tee
  135. Statistics - Is it from Normal Distribution

    I think I know how to answer the following question IF I assume that the distribution is normal - however, since the question doesn't say that it comes from a normal distribution - should I proceed differently? Question reads: The mean IQ among members of

    asked by CJ
  136. algebra

    find the solution for 0=x^2+310x-3000

    asked by Anonymous
  137. ethics

    what should the organization's position be in response to nondiscrimination issues?

    asked by cortez
  138. math

    Peform each indicated operation by using LCD and simplify the result. Can you please show me the steps on how you got the answer because I don't understand how to these problems. Thank you. y+2 over y^2+2y+4 + 1 over y-2 z-3 over z^2+z-6 + 2z+1 over z-2

    asked by Bradley
  139. Chemistry

    As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy: increases decreases remains the same

    asked by Megan
  140. 2nd grade

    I need a sentance for disloyal and the meaning. Thank You

    asked by Anonymous
  141. Chemistry

    What effect does lowering the pressure on the surface of water have on the boiling point? It increases the boiling point It decreases the boiling point the boiling point remains the same

    asked by Megan
  142. chemistry

    what would the final volume of water be if 80 kJ were added

    asked by ashley
  143. chemistry

    a 1.00 L aqueous solution contained 5.80 g of NaOH. what is the pH of the solution? Can someone help me out with the setup of this?

    asked by Anna
  144. Finance

    what is the present value of a security that will pay $5,000 in 20 rears if securities of equal risk pay 7% annually?

    asked by Anonymous
  145. chemistry

    What are the concentrations of [H+] and [OH-] in each of the following. Determine the pH and pOH for each solution. A. 1.25 M HCl B. 0.25 M NaOH C. 0.035 M Ca(OH)2 D. 0.50 M HNO3 I know how to do the pH and pOH I just do not know how to figure out the both

    asked by Anna
  146. research writing as a process

    how does a thesis function it points out the inadequacies of the opposing views

    asked by Christopher
  147. research writing as a process

    how can I turn this into a appropriate research question? . Why are kids so violent today? What is wrong with them?

    asked by Christopher
  148. algebra

    A population grows by 4.7% each year. By what percentage does it grow each month? (Round your answer to two decimal places.)

    asked by Anonymous
  149. Chemistry

    Which of the following increase the melting point of an ionic compound? decreased charge on the ions increased size of the ions increased charge on the ions decreased size of the ions increased amount of the compound

    asked by Megan
  150. Confidentiality of Health information

    The newspaper phones a rehab clinic and asks if Sally celebrity is a patient and what is her status. The clinic should A. Tell the newspaper the truth B. lie and say she's not if, in fact she's there. C. acknowledge her presence but give no details on

    asked by Student
  151. PreCalculus

    Hi im unsure how do this problem becasue I do not how to go about these types of problems were you make monthely payments each month of the same amount... Janene contributes $50 per month inot the Chaing China Bond Fund htat earns 7.26% annual intrerest.

    asked by Kate
  152. Finance

    Differentiate between the various financial intermediaries,what is their main differentiating factor?

    asked by Ugo
  153. Math

    There are 40 students. THere are 6 who only like tape , 10 who like both tape and disc, and 11 who like only disc. How many bout tapes ? tapes but not disc , both tapes and discs neither discs nor tapes .. explain the progress of getting the answers

    asked by Ashley
  154. Finance

    Alphonse Inc. is thinking about investing in an annuity contract that will return $100,000 annually at the end of each year for 15 years. What amount should Alphonse pay for this investment if it earns an 6% return?

    asked by a
  155. Math

    You roll a number cube three times. Find P(all odd).

    asked by James
  156. grammar

    • Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. • Mark each verb used in bold and, in parentheses, identify the specific tense used.

    asked by anna
  157. Calculus

    Name two sets of vectors that could be used to span a set in R^3. Show how the vectors (-1,2,0) and (3,4,0) could each be written as a linear combination of the vectors you have chosen.

    asked by Jackiee
  158. Calculus

    Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane

    asked by Blazon
  159. research writing as a process

    Which of the following is a goal you may want to accomplishin a research project? to formulate a thesis statement to think about the purpose of the research project. to pick something you wrote a paper on last year and just correct the errors to analyze my

    asked by Christopher
  160. chemistry-check my work

    for each of the following pairs, determine which acid is the stronger acid. A. H2S, HS- B. H2SO3, H2SeO3 C. HBr, H2Se D. HIO4, HIO3 E. H2S, H2O a. H2S b. H2SO3 c. HBr d. HIO3 e. H2S

    asked by Anna
  161. language

    what are the elements of persuasion?

    asked by heather
  162. Physics

    A platform rotates at an angular speed of 2.2 rad/s.  A block rests on the platform a distance of 0.3m from the axis.  Static friction coeffient= 0.5.  Without any external torque acting on the system, the block is moved towards the axis.  Ignore the

    asked by Rita
  163. math

    If one clerk can process 75 pieces of mail in 2 and 1/2 hours, how long will it take eight clerks to process 1620 pieces of mail if all of them work at this same rate?

    asked by katrina
  164. Biology

    What kinds of cells make it difficult to tear fern leaves from a plant? thanks:)

    asked by Rebekah
  165. 4th grade

    what is a command, statement, question, and exclamation sentences please show me some

    asked by Anonymous
  166. college

    Electric fields are vector quantities whose magnitudes are measured in units of volts/meter (V/m). Find the resultant electric field when there are two fields, E1 and E2, where E1 is directed vertically upward and has magnitude 96 V/m and E2 is directed

    asked by Anonymous
  167. home economics

    a system of government in which powers are divided between a central government and several regional goverments is call?

    asked by deajia
  168. calculus

    a particle moves along the x-axis (units in cm) its initial position at t=0 sec is x(0)=15. the figure shows the graph of the particle's velocity v(t). the numbers are areas of the enclosed regions. in the graph 0 to a is 4 under the x-axis, a to b is 5

    asked by shelby
  169. Math

    There is a circular table and it has an area of 1256 square inches. The table opens in the middle to allow additional boards to be added. Each board is 12 inches squared, fits across the diameter of the table, and is rectangular in shape. How many boards

    asked by Charity
  170. Grammar

    Analogies Pot is to top as tip is to? Ring is to sting as brick is to?

    asked by Tristan
  171. math

    3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet bloomed.how many rosebuds were there in total? how many rosebuds bloomed today?

    asked by sid
  172. Algebra

    Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

    asked by mysterychicken
  173. Chemistry

    Write a balanced chemical reaction showing how the 4.99 g Sn dissolves in HNO3.

    asked by Orangutan
  174. English

    How might a character change in the course of a novel?

    asked by Betty
  175. math

    wats 4 divided by 137

    asked by brian
  176. Chemistry

    A voltaic cell consists of a Pb /Pb^2+ half-cell and a Cu/Cu^2 half-cell at 298K. The initial concentrations of Pb^2+ and Cu^2 are 5.20×10−2 M and 1.40 M, respectively.

    asked by Emma
  177. PreCalculus REINY HELP PLEASE

    well yay thanks for the answer but i really need the formula lol I tried to derive it on my own but it was a little bit rough lol i need the formula it wasn't in my book and I don't know what the name of the formula would be so i can't really google it...

    asked by Kate
  178. math

    Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability that she draws a Heart and then a Spade?

    asked by Scott
  179. Chem

    The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm . It has a face-centered cubic lattice. Find the atomic weight of the unknown metal.

    asked by HELp
  180. ALGEBRA 1

    need help solving two houses are for sale on the same street.the second house has 1000 square feet less than twice the square feet of the first house. together the houses have 4400 square feet. what is the square footage of the first house? 2x-1000 = 4400

    asked by DEBBIE
  181. ALGEBRA 2

    HELP the bulldogs won twice as many games as they lost. if yhey played a total of 36 games,how many did they win?

    asked by DEBBIE
  182. Physics

    Does the law of reflection only apply to mirrors or any object?

    asked by Emily
  183. physics

    if the speed of the electron is 3.0x10^3 meters per second and the magnitude of the magnetic field is 3.0x10^5T then the value of the magnetic force is what?

    asked by Anonymous
  184. chemistry

    what are the significant figures of the numbers: 1)0.0761114947969612 2)132.545358664364 would it be 0.076 and 132.5?

    asked by Carson
  185. English

    Can you please check this for grammar. Edsel and Eleanor Ford commissioned Albert Kahn to build their home and William R. Valentiner, director of the DIA to help lay the basic foundations for the paintings, furniture, and objects that completed each of the

    asked by Kayden
  186. adult education

    Marketing strategy planners should recognize

    asked by Anonymous
  187. math

    what is the solution of the following system of equations? y = -2/3x y = 1 a) (-2,3) b) (1,-2/3) c) (-3/2,1) d) (1,-3)

    asked by molly
  188. Biology

    Hi there, I have to do a paper on Luteinizing hormone and Follicle Stimulation Hormone. Could you direct me to newspapers or journal articles discussing both hormones individually and it's relation to homeostasis. Also, what is the chemical nature of the

    asked by Melanie
  189. WH

    Who traded coffee between 600-1450?

    asked by Allison
  190. chemistry

    Why can you smell a cake baking in the kitchen when you are in your bedroom?

    asked by Brooke
  191. chemistry

    How does the kinetic theory explain how you can smell coffee and bacon at the same time?

    asked by brigette
  192. chemistry

    Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?

    asked by brenton
  193. 9th grade - Civics

    When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?

    asked by Malik
  194. chemistry

    How are mm, torr, psi, atm, and Pa related to each other?

    asked by delaney
  195. 9th grade - Civics

    Name the first state to issue license plates for their automobiles.

    asked by Malik
  196. 2nd grade

    the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him

    asked by susana
  197. chemistry

    How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

    asked by delaney
  198. math

    60% is what common fraction?

    asked by joey
  199. chemistry

    Which of these pressures is the lowest? 1.1 atm, 16.7 psi, 740 mm Hg, 111 458 Pa

    asked by carmen
  200. Biology

    Name 3 structures that help focus the light rays entering the eye: lens iris cornea Can someone tell me if this is right, if not a site I can check, please. Thanks

    asked by Sue
  201. chemistry

    What will happen to the volume of a gas in a closed container if you increase the external pressure when the temperature remains constant?

    asked by carter
  202. science

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by Jason
  203. Math

    Use a half angle formula to determine the exact value of sin 7(pi)/12.

    asked by David M.
  204. chemistry

    Why does a balloon become smaller when placed in a freezer?

    asked by carson
  205. math

    A plane that flies 170 miles per hour is flying 510 miles. How long will the trip take?

    asked by joe
  206. math

    what is 15% of 35?

    asked by joseph
  207. math

    2 7/8 divided by 2 5/6

    asked by Malik
  208. chemistry 12

    i nee help in this question any help would be appreciated the question is 1.Given the reaction: A(g) + 2 B(g) ---> C(g) + D(g) ��H = -40 KJ, a. If the activation energy in the forward direction is 80KJ, plot the PE diagram. b. Plot a KE

    asked by adam saunder
  209. math

    What are three different ratios for 5 circles and 4 squares?

    asked by Joanne
  210. algebra

    what is the solution of the following system of equations? 2y + 3x = 8 y = 1/2x a)(2,3) b)(1,2) c)(3,2) d)(2,1) what is the solution if the following system of equations? y = 2x + 10 3y = -4x a)(-3,4) b)(4,-3) c)(5,1) d)(1,5) Thanks you

    asked by molly
  211. Math Probability??

    I do not know how to figure out his next shot. A basketball player has made 34 of her last 42 freethrow attempts. What probability would you assign to the player’s next free throw being successful? Explain your reasoning. 34/42 = 17/21 I would assume

    asked by bwb
  212. math

    What is an example of commutative property of multiplication?

    asked by Gio
  213. Chemistry

    I have a solution made up of 100 ml of distilled water and 2.0g of NaOH. I need to determine the total volumeof the solution in order to the calculate the mass of the reaction mixture. How do I do this? We are to assume the density of the solution is the

    asked by Jim
  214. math

    what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

    asked by jw
  215. Algebra

    Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

    asked by mysterychicken
  216. Science

    Melting point of gold is 1064*C What is the freezing point of gold?

    asked by rhon
  217. algebra

    5x+10/2x-6 * x-3/10x+20

    asked by ginger
  218. Science

    Is a liquid denser than a gas or less dense or the same density?

    asked by rhon
  219. Science

    What is formed when solid copper sulfate is mixed with water?

    asked by rhon
  220. Science

    How would I describe some of the physical and chemical properties of a chalk board?

    asked by rhon
  221. science

    Draw the structure for cis-2,3-dibromo-2-hexene.

    asked by ima
  222. research writing as a process

    Please correct the sentence below and make it an appropriate thesis statement. In this essay, I will argue that alternative medicine is popular and everyone should use it. As we learn more about the benefits of alternative medicine, patients should be

    asked by Christopher
  223. Chemistry

    If one strand of DNA has the sequence AATCCGTAGCTC, what would be the sequence of its complementary strand?

    asked by Abby
  224. Math

    Tameka's mother made fish fries for lunch. She made fish ice cream for dessert. It takes 6 small fish to make 1 1/2 cups of ice cream. How many fish does it take to make 4 cups of ice cream?

    asked by Marie
  225. health

    compare cost control strategies of employer-sponsored health plans

    asked by roberta
  226. math

    what are the multiples of 12 and 15?

    asked by Gio
  227. Grammar

    I have to decide what familiar saying or proverb is hidden in two of these formally written statements. Then I need to write it in informal language. 1. A single pass of the needle in sewing will oftentimes prevent the necessity of nine such passes. 2. The

    asked by AL 87
  228. algebra

    can you walk me through these 4+x/5 < 8 and x-2/3> 2x + 11

    asked by Tony
  229. art 101

    the Egyptians and the Greeks. What are the similarities and differences between the two? What does the sculptural representation of the human form say about each culture?

    asked by Denise
  230. math

    what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

    asked by ursie
  231. math

    how do you find the circumference of a circle.

    asked by Gio
  232. english

    i need to compare theatres technology from today and in the elizabethan era. but i have to also use proof or quotes from the book cue for treason. help?

    asked by `
  233. science

    what is believed to be the first living thing on earth?

    asked by joshua
  234. social studies

    Who, when, where, and why was the AIM(American Indian Movement)started

    asked by Anonymous
  235. social studies

    what group of people made a historic move and traveled from nova scotia,canada to louisiana territory

    asked by tina
  236. Social Studies

    Why did New France have a hard time attracting settlers? (B) What economic activities were profitable in New France?

    asked by JP
  237. math

    3 2/5 * 1 1/8

    asked by Gio
  238. 7th grade

    in 1755 why didn't the english people want the acadians in nova scotia?

    asked by Debbie
  239. Probability

    What is the probability of flipping a coin two times and getting no heads? If I flip a coin twice and get no heads wouldn't it be 2/2 or 1?

    asked by bwb
  240. math

    What is the estimate of 4/5 + 6/7

    asked by Gio
  241. Chemistry

    If the concentration of H3O+ is 3.5 X 10^-3 M. What is the concentration of OH-

    asked by John
  242. algebra

    If the sides of a square are increased by 3 meters, the area becomes 64 meters squared. Find the length of a side of the original square?

    asked by Liz
  243. math

    x/.8 = 7/4

    asked by Gio
  244. math

    7.86*4.6=

    asked by mary
  245. Finding and evaluating sources

    Question 15 Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the source's audience? Can you tell who the author's intended audience is? Can you determine if the audience

    asked by Christopher
  246. math

    estimate 24.301 /5.7

    asked by Gio
  247. eth125

    What do you predict the effect of Hispanic and Latino panethnicity to be in the future?

    asked by smartonesmartone
  248. science

    which layer of the atmospher has the highest density of gas molecules

    asked by NeNe
  249. visual images and how to use them

    Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

    asked by Christopher
  250. visual images and how to use them

    Question 2 Which of the following is NOT a question to consider when analyzing visual images? If there are people in the image, how do they seem to relate to each other? If there are words in the image, what is their relationship to it? Where is the image

    asked by Christopher
  251. Math

    Today Jamal had a spelling test. There were 21 words on the test. Jamal spelled two-thirds of them correctly. How many words did Jamal spell correct?

    asked by Marie
  252. visual images and how to use them

    Question 6 Television and print advertisements are visual arguments because ____________________. none of the above words are visible in the advertisements they are designed to convince us to buy a product, vote for a candidate, support a cause, and so on

    asked by Christopher
  253. English

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

    asked by 3rd Grader
  254. ecology

    Air pollution impacts us on a global level. What are the implications of global warming?

    asked by mark
  255. confidentiality of health information

    Joe researcher asks for access to patient records as part of a research project. What should the health information manager do? A. Say yes-access for research is permitted. B. Say no. C. Tell Joe to submit his request to an institutional review board if he

    asked by Question
  256. chemistry

    What must be the pH of a solution that is 0.067 M Fe3+ to just cause Fe(OH)3(s) to precipitate?

    asked by Bob
  257. phi105

    who is holy the article

    asked by lisa smith
  258. 6th grade language arts

    a book listing many itmes is called a.... the word ends in logue

    asked by Xavier
  259. college

    need help with week 6 day 3 phi/105

    asked by lisa smith
  260. algebra

    Please help me! Sorry there are 4 questions I need to check my attempts with to see if I am on track. Thanks!! 1. 5-3[2(3x-4)+3] 2. Evaluate when x = -3 and y = 2 3x squared - 4y squared _______________________ 4x - 7y 3. -3/4y = -24 4. m + 1 + 5 = 2m - 1

    asked by zach
  261. Science

    Thank You DrBoB222 for the science help

    asked by rhon
  262. Pre calc

    If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element

    asked by Dom
  263. chemistry

    what is the freezing point of a solution of 12.0 g of CCl4 dissolved in 750.0g of benzene? the freezing point of benzene is 5.48 degrees C ; Kf is 5.12 degrees c/m.

    asked by Kim
  264. chemestry

    what is the condensed structural formula for. 5- ethyl-2-hexene

    asked by yaimery
  265. calculus

    Given: theta is in standard position in quadrant 1 with p(x,y)=(5,12) find sin 2 and cos 2

    asked by robin
  266. chemestry

    sorry its 5-ethyl-2-hexyne

    asked by yaimery
  267. Math probability

    How many ways can three cars be parked in a row of four parking spaces? I have no idea how to do this?

    asked by Bart
  268. Science- Chemistry Ap

    2SO3(g) -> 2SO2(g) + O2(g) Delta H = 197kj For this reaction shown above, describe the changes that will occur to the number of moles of SO3 under the following conditions: (a) Additional oxygen is added to the reaction vessel. (b) The pressure in the

    asked by Jake
  269. phi 105 introductory to philosophy

    I read the article who is holy and i need some help in writting a 200 word critique on this article. I find no fault in this article.

    asked by lisa smith
  270. phi 105 introductory to philosophy

    do you have any homework posted for this class especially week 6 day 3?

    asked by lisa smith
  271. Finance

    What is the 1 year operating cash flow? Sales $33,000 Depreciation $10,000 Other operating costs $17,000 Interest expense $4,000 Tax rate 35%

    asked by John B
  272. Science

    A substance seems to completely fill a container, but more can be forced in. What is the subatance a solid, liquid gas or none of these?

    asked by rhon
  273. geometry

    An isosceles trapezoid has base angle 45 degrees and bases of length 12 and 32. Find its area.

    asked by Anonymous
  274. algebra

    Please help me! Sorry there are 4 questions I need to check my attempts with to see if I am on track. Thanks!! 1. 5-3[2(3x-4)+3] 2. Evaluate when x = -3 and y = 2 3x squared - 4y squared _______________________ 4x - 7y 3. -3/4y = -24 4. m + 1 5 2m - 1

    asked by zach
  275. Chemistry

    can u calculate the number of moles 0.5g of H?

    asked by corey
  276. chem

    Can someone help me I need to find out how to solve the following equation What is the PH/POH of a .0727m H3O+ Solution at 25 degrees c

    asked by Help
  277. law

    Describe the functions of organizational networks and specialized criminal justice databases in 200 to 300 words, recognizing that technology is rapidly becoming more important in the field of criminal justice.

    asked by jessie
  278. 8th grade math

    Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or $400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what

    asked by jessica
  279. English-Happiness

    I'm doing a short poem on Happiness. I'm going to work on it after, but I just need a good title for it. Here is an example of a type of poem I'm trying to do: Title: Happiness is a Butterfly Happiness is like a butterfly which, when pursued, is always

    asked by Sara
  280. Confidentiality of health information

    Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is most true? A. Dr. Bob may be liable if he didn't have proper firewall or other protections. B. Dr. Bob won't be liable. C. Dr. Bob

    asked by Anonymous
  281. physics

    A 20 kg slender rod pivoted at its center has a length of 6 m. A motor applied a torque of 2400 Nm on the rod to turn it from rest. a) Find the the average power by the motor when the rod rotates an angle of 500 radians. b) Find the instantaneous power of

    asked by drew
  282. Math-Probability

    I do not know how to figure out his next shot. A basketball player has made 34 of her last 42 freethrow attempts. What probability would you assign to the player’s next free throw being successful? Explain your reasoning. 34/42 = 17/21 I would assume

    asked by Bart
  283. 8th grade

    Is -7*10^11 in scientific notation? If not, write it in scientific notation.

    asked by Logan
  284. instrument

    this very moment by kcjojo

    asked by Anonymous
  285. Calculus

    Find the absolute max of f(x)=5x-e^(5x)

    asked by Emily
  286. math

    m+1 --- 4 + 5 -- 6 = 2m-1 ---- 12

    asked by zach
  287. 6th grade math

    14/15-13/16= show work

    asked by tom