Questions Asked on
September 21, 2008

  1. psychology

    what are stress moderators

    asked by Anonymous
  2. Algebra

    LIst the steps for solving distribution.

    asked by Izzy
  3. algebra

    Ok so ive gotten this far on finding the points of (2004, 3370) and (2007, 3552) can someone help me find out the equation in y=mx+b form please

    asked by mikey
  4. Chemistry

    Imagine that you have a 7.00 gas tank and a 3.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145 , to what pressure

    asked by George
  5. Chemistry

    When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas. How many grams of calcium carbonate are needed to produce 81.0 of carbon dioxide at STP? Is the asnwer 80.95

    asked by George
  6. CHemistry

    Butane, , is a component of natural gas that is used as fuel for cigarette lighters.At 1.00 and 23 , how many liters of carbon dioxide are formed by the combustion of 1.00 of butane?

    asked by George
  7. Calculus

    I am given the function P=9e^(-0.9t) In the funcion form P=(P initial)(a^t) what are the values of P initial and a P initial is 9 what is a?

    asked by George
  8. Calculus

    For each value of h, evaluate the following function. Round your answer to four decimal places. lim h->0 (4+3)^(3)-64/h A) h=0.01 B) h=0.001 C) h=0.0001 D) h=-0.01 E) h=-0.001 F) h=-0.0001 For A I got 48.9 For B I got 48.99 For C I got 48.999 For D I got

    asked by George
  9. SOCIAL STUDIES

    PLZ TELL ME WHERE CAN I GET INFORMATON ABOUT DISASTER MANAGMENT?????????????/

    asked by PULKIT THE GREAT
  10. biology

    how is the s phase of the cell cycle measured?

    asked by grace
  11. Integral Calculus

    Find the area of the surface generated by revolving the given curve about the y-axis. 8xy^2=2y^6+1 , 1

    asked by Akitsuke
  12. Integral Calculus

    A typical flea jumps vertically w/an initial velocity of about 5ft/s. How much does the flea jump? Ans. 65/64ft or 4.7in.. pls show the solution and explain.. thanks a lot.. :)

    asked by Akitsuke
  13. chemistry

    What is the maximum mass of aluminum chloride that can be formed when reacting 30.0 g of aluminum with 35.0 g of chlorine?

    asked by Summer
  14. college physics

    Three blocks of mass 1kg,2kg and 3kg move on a frictionless surface and a horizontal force 46 N acts on the 3kg block.1kg and 2kg blocks are in contact with each other while 1kg and 3kg blocks are connected by a chord. (a) Determine the acceleration of the

    asked by Sandhya
  15. history

    Describe how the cold war ideology crystylized after WWII changed wartime alliances that had existed during the war.

    asked by debi
  16. chemistry

    What mass of limestone (in kg) would be required to completely neutralize a 15.2 billion-liter lake that is 1.9×10−5 M in sulfuric acid and 8.6×10−6 M in nitric acid?

    asked by Summer
  17. english

    are the following sentences correct?the price of these jeans is reasonable. the quality of the candle is poor. bread and butter are our daily food. the books borrowed from the library are on my desk. the famous singer and composer have arrived. the boy who

    asked by ralph
  18. home economics

    Please help me... what are the different kinds of stitch? and can u pls show me the sample picture for eah stitch?

    asked by amie
  19. History

    Can someone help to explain the social, economic, and political composition of the decade of corporate greed and how it affected the political climate of the 80's during the Reagan administration.

    asked by Lisa
  20. MATH

    factor completely 32 - 2t^4 is this correct? 2(t^2-4) (t^2 + 4)

    asked by jennifer
  21. MATH

    solve 6x^2 - 5x +1 = 0 is this correct? 6x^2 - 2x - 3x + 1=0 -2x(-3x+1) 1(-3x +1) (2x-1)=0 (3x-1)=0 x=1/2 x=1/3

    asked by jennifer
  22. MATH

    solve (2s + 5)(s+1)=-1 am I on the right track? 2s^2 +2s=5s=5+-1 2s^2+7s+5=-1 2s^2+7s=-6 where do i go from here?

    asked by jennifer
  23. Algebra

    1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

    asked by Carmen
  24. Mth plz...help

    A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5. the correlation coefficent, r, for these data would be (1) 0 < r < 1 (2) -1< r < 0 (3) r = 0 (4) r = -1

    asked by Ashlee
  25. Calculus

    For each value of h, evaluate the following function. Round your answer to four decimal places. lim h->0 (4+h)^(3)-64/h A) h=0.01 B) h=0.001 C) h=0.0001 D) h=-0.01 E) h=-0.001 F) h=-0.0001 For A I got 48.9 For B I got 48.99 For C I got 48.999 For D I got

    asked by George
  26. Chemistry

    Imagine that you have a 7.00 gas tank and a 3.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 145 , to what pressure

    asked by George
  27. Chemistry

    Butane, , is a component of natural gas that is used as fuel for cigarette lighters.At 1.00 and 23 , how many liters of carbon dioxide are formed by the combustion of 1.00 of butane? 2C4H10+13O2 yields 8CO2+10H2o

    asked by George
  28. Spanish

    In spainsh is the u silent when it is next to an e? For example, in the word huele is it pronounced like ala or wala. (Hard A's)

    asked by Taylor
  29. Chemistry

    Butane,C4H10 , is a component of natural gas that is used as fuel for cigarette lighters.At 1.00atm and 23 degrees Celsius , how many liters of carbon dioxide are formed by the combustion of 1.00 of butane? 2C4H10+13O2 yields 8CO2+10H2o Any help would be

    asked by George
  30. maths

    can you replace the stars with figures **** x 3

    asked by john
  31. maths

    can you replace the stars with figures **** x 3 ______ ***** the whole calculation uses each of the digits 0-9 once and once only the 4 figure number contains three consecutive numbers which are not in order. the third digit is the sum of 2 of the

    asked by john
  32. basic chem lab question

    what is the mass of a typical 50 ml glass beaker in grams

    asked by al
  33. com22o

    I have a question for anybody and no it is not home work. Now that you have finished your reseacher paper,for class com22o what advice would you give to students starting this course? what would you do differently if you were just starting this course?

    asked by ano
  34. Math

    Why is it crucial to understand rational exponents?

    asked by Phoenix
  35. Algebra

    1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

    asked by Carmen
  36. financial accounding

    unexpired insurance at the end of the fiscal period represents; an accrued asset, an accrued liability, an accrued expense, or a deferred expense?

    asked by paul
  37. 11th grade

    where can i find a simple map of the original 13 colonies showing french and spanish territories

    asked by amber
  38. financial accounting

    Which of the following supports the accrual basis of accounting? revenue recognition concept, cash concept, mathcing concept, or revenue recognition and matching concepts?

    asked by paul
  39. math

    factor completely (x+9)^2 -5(x+9)-6 how do i do this one?

    asked by Anonymous
  40. MATH

    checkers The area of a square checker board is 25x^2 -40x +16. Find the length of a side. how do i figure this out?

    asked by Anonymous
  41. MATH

    boating The inclined ramp of a boat launch is 8 meters longer than the rise of the ramp. The run is 7 meters longer than the rise. How long are the three sides of the ramp? please explain how to do this one

    asked by jennifer
  42. math

    how do you do for factors and divisibility

    asked by jennifer
  43. Finance

    Suppose a Midwest Telephone and Telegraph (MTT) Company bond, maturing in 1 year, can be purchased today for $975. Assuming that the bond is held until maturity, the investor will receive $1,000 (principal) plus 6 percent interest (that is, 0.06 3 $1,000 5

    asked by Greatdanelola
  44. Finance

    National Telephone and Telegraph (NTT) Company common stock currentyl sells for $60 per share. NTT is expected to pay $4 dividend during the coming year, and the price of the stock is expected to increase to $65 a year from now. Determine the expected

    asked by Greatdanelola
  45. current events

    can someone help me find a really interesting human interest story I could present to my class?

    asked by kelli
  46. Finance

    Suppose that 1 year later, NTT's common stock is selling for $75 per share. During the 1-year period, NTT paid $4 commons stock dividend. Determine the realized (ex-post) percentage holding period return on NTT common stock. What if it was sold for $58 1

    asked by Greatdanelola
  47. 12th grade

    Think of a business in your local area. Describe its operation in terms of factor markets and product markets.

    asked by Esmeralda
  48. science

    if you cut the marble into two equal pieces, what will be the density , mass and volume of one of those pieces.

    asked by Ashlee
  49. calculus - what is the derivative?

    Let f(x) = 2x^2 + 1 a. Find the derivative f' of f. b. Find an equation ofthe tangent line to the curve at the point (1,3). c. Sketch the graph of f. *Can someone please help me? I have been trying to do my homework for some time now and I am stuck on this

    asked by B :)
  50. science ()

    Why do the cheeky girls look slightly different?

    asked by lizzie
  51. math

    Describe some practical applications for fractions in your daily life. What are the challenges you have experienced regarding the use of fractions? Explain your answers.

    asked by nikki
  52. science plzzz help

    1 what si the diference between mass and weight? 2 will the following substances float or sink in water at 3.98 degree celcius? Mass volume float & sink 25g 50ml ? 65g 40ml ? 36g 35ml ?

    asked by ashlee
  53. Math

    Why is it important to understand rational exponents?

    asked by Phoenix
  54. 8th grade Maths

    The product of three consecutive integers is -1716. What is the greatest of the three integers?

    asked by seera
  55. 7th grade

    we are re-teaching the metric system and i forget how to do any of it! can you help me with like convertic and things? thx - k gurl

    asked by k gurl
  56. English

    I wrote this 2 years ok - please could you critique it A tale of dishonesty Our story takes place in Zakinthos – a place in Greece- long ago. It is all about the Princess of that fine land. Her name was Maria and she was sick of palace life. She stayed

    asked by Emma
  57. public health

    Is Avian Flu an imminent/eminent threat? Who should get the first flu vaccine during a worldwide outbreak - the 60-year-old grandmother with a weak heart and lungs or the healthy 4-year-old with decades ahead of her?

    asked by Anonymous
  58. language

    how do larger than life characters show the values of their cultures

    asked by karen
  59. Cultural Diversity

    Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four Hispanic groups living in the United States. Your paper should cover Mexican Americans, Puerto

    asked by scooby9132002
  60. Business

    What is/could be a job title for a person that goes out seeking clients for a web developing company?

    asked by Anonymous
  61. art

    Describe in detail how the Principles of paintin can be identified

    asked by moonlight
  62. art

    Describe in detail how the Principles of painting can be identified

    asked by Taisha
  63. 10th Grade Math

    Why is it important to understand rational exponents?

    asked by Phoenix
  64. World History

    Is this a good thesis for this topic question? I really need help, I can't ask my mom for help right now and I usually have her help me so it's kind of hard for me to do this totally on my own thank you so much if anyone could help. Topic Question:"An

    asked by Filipe
  65. cultural diversity (need a better understanding)

    Can you explain to me what these each mean please: linguistic, political, social, economic, religious, and familial conventions (note that word) for each group

    asked by scooby9132002
  66. science....help

    thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285 and ya 1 more question what is the difference between mass and weight?

    asked by ashlee
  67. university of pheonix

    Post your responses to these questions: What differentiates the act of grouping people from the act of stereotyping? How can stereotyping affect group relations? Give an example of a stereotype you find in your everyday life. • Comment on the experiences

    asked by jaquil
  68. 10th Grade Math

    Why is it important to understand rational exponents? How does it work with radicals?

    asked by Phoenix
  69. Calculus - average velocity

    *VELOCITY OF A CAR* Suppose the distance s (in feet) covered by a car moving along a straight road after t sec is given by the function s = f(t) = 2t^2 + 48t. a. Calculate the average velocity of the car over the time intervals [20,21], [20, 20, 20.1], and

    asked by B &lt;3
  70. Algebra

    A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second?

    asked by Mary
  71. Spanish I--check answers, please

    The assignment: complete the sentences below with the appropriate indirect object pronouns. 1) Yo les compro globos de muchos colores a mis hermanitos. 2) Rosario le va a dar una corbata a su padre. 3) Que` os dan tus padres a ti, Ramiro? 4) Mis hermanos y

    asked by Lucy
  72. music

    what developments of the Baroque made the most significant contributions to the future of music.

    asked by luly
  73. math

    I don't understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x

    asked by kelli
  74. Math

    Why is it important to understand rational exponents? How does it work with radicals?

    asked by Phoenix
  75. Child Development

    Prepare a Microsoft® PowerPoint® presentation, flow chart, or other visual aid to provide an overview of the normal developmental expectations for each of the five developmental stages. The content of your presentation should include a brief description

    asked by Kerry
  76. business evolution

    What is and example of capitalism

    asked by Anonymous
  77. epi

    1. Provide three questions in regards to descriptive epidemiology based on the available data in any graph figure preferably relating to each aspect of descriptive epidemiology: person, place, and time. 2. Provide answers to questions you pose.

    asked by Anonymous
  78. Math12

    desrribe what happens to the equation of a function when you make each change to its graph a)compress horizontally by a factor of 1/4, and vertically by a factor of 1/2 b)expand horizontally by a factor of 2, then translate 3 units left

    asked by John
  79. Math

    What is a perfect square? What is a square root?

    asked by Phoenix
  80. epi

    Workers in less developed countries have comparable death rates to the U.S. in the same industries. (Points: 3) True False 2. OSHA and NIOSH were established as provisions of the 1976 Toxic Substances Control Act. (Points: 3) True False 3. Which of these

    asked by Anonymous
  81. Math

    Why is it important to understand rational exponents? How does it work with radicals?

    asked by Phoenix
  82. GRADE 11 MATH

    Show that the equation 2x^2 - 5x + 2 = 0 has roots that are reciprocals of each other. Under what conditions will a quadratic equation in the form ax ^2 +bx + c = 0 have roots that are reciprocals of each other?

    asked by BOB
  83. pre calc

    Take out the spaces: h t t p : //img 151. imageshack. us/my.p hp?image=graph bb0. png 1)I need to find the intervals on which it is increasing, decreasing, or constant 2) whether it is even odd or neither 3) domain and range

    asked by kayla
  84. algebra

    Hello. Can you explain to me how to factor the following? 30x^2 - 48x 6x^2 + 7xy - 20y^2 Thank you.

    asked by Stephanie
  85. middle school math

    A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second? Gravity falling on an object

    asked by Anonymous
  86. science

    1.act against the direction of motion and gets larger as an object moves faster 2. an object acted upon by a net force will accelerate in the direction of that force. 3.the speed an object reaches when the force of gravity is balanced by the force of air

    asked by karen
  87. science

    1.act against the direction of motion and gets larger as an object moves faster 2. an object acted upon by a net force will accelerate in the direction of that force. 3.the speed an object reaches when the force of gravity is balanced by the force of air

    asked by karen
  88. MATH: TRINOMIALS

    Hello. Can you explain to me how to factor the following. 30x^2 - 48x x2 + 6x + 7

    asked by Stephanie
  89. science please help me

    in classification system what does BASIS mean????????

    asked by ali
  90. Math

    ã(X+2)-X=0 THE SQUARE ROOT OF (X+2)-x=0

    asked by Casey
  91. chemistry

    I need to create an experiment to separate and identify the components of an unknown heterogeneous mixture and to recover as much of the separated solid components as possible. The unknown mixtures may contain up to 4 of the following substances, one or

    asked by sammy
  92. Physics

    A certain car is capable of accelerating at a uniform rate of 0.85 m/s2. What is the magnitude of the car’s displacement as it accelerates uniformly from a speed of 83 km/h to one of 94 km/h? I don't get this question. How do you calculate displacement

    asked by TAG
  93. english

    help unscramble lesfat

    asked by sylvia
  94. MATH

    factor completely (x+9)^2-5(x+9)-6 x+9=y y^2-5y-6 (y-3)(y+2) (x+9-3)(x+9+2) is this correct?

    asked by jennifer
  95. intermediate algebra

    factor completely Z^2-18Z+81-25x^2 I have tried this one several times and just can't seem to get it. please help

    asked by jennifer
  96. 9th grade science

    how u covert 4.1dg____kg

    asked by shannon
  97. gemotry

    Eduardo owned 6/7 of a family business. He sold 1/5 of the business to his son. wat portion of the business does he still own

    asked by michelle
  98. Geometry.

    AB = x+4 BC = 2x-1 If AC = 27, then X = _____? If AB = 6, then AC = ______?

    asked by Breanna
  99. Financial Management

    I need to fill in the blanks on my income statement/balance sheet. Here is the information given: The following data pertain to Pavilion Products Inc. (PPI): PPI has outstanding debt in the form of accounts payable, 6-month notes payable, and long-term

    asked by Rachael
  100. algebra

    Please Help me solve this problem... Give exact and approximate solutions to three decimals places. x^2 + 3x - 7 = 0 Thanks!!!

    asked by Meia
  101. calculus - (derivatives)

    Find the derivative of the function f by using the rules of differentiation. F(x) = 3 ã x

    asked by B &lt;3
  102. algebra

    I need help with the first problem. Factor. 100w^2 - 9 c^3 + 27 My approach: (c+3)(c+3)(c+3) Is this correct?

    asked by jennifer
  103. Anatomy and Physiology

    How would I arrange the following types of epitheliium in order of protectiveness from 1 to 5? A. Simple Squamous B. Stratified Squamous C. Simple Cuboidal D. Pseudostratified E. Simple Columnar

    asked by Adrienne
  104. chemistry

    what is a good explanation for: Many enzyme catalyst reaction start out as 1st order and as time passes by it becomes 0 order. Why?

    asked by Tri
  105. Micro Economics

    Assume that the market for annual physical check-ups is in equilibrium, and not everyone gets an annual physical check-up. What is the effect on price and quantity if a government regulation fixes prices at the current level and requires everyone to get an

    asked by Will Jr.
  106. Project

    What are some advantages and disadvantadeg of gasoline powered cars?

    asked by Jennifer
  107. Literature

    In "A Pair of Silk Stockings," the silk stockings are a symbol of

    asked by Melissa
  108. 10th grade Literature

    Ok, I have to answer questions on these 2 poems, and I can't figure them out... The Golf Links Lie So Near The Mill by Sarah N. Cleghorn The golf links lie so near the mill That almost every day The working children can look out And see the men at play.

    asked by Taryn
  109. Advanced Chem

    How can one determines whether there is a free rotation around a carbon-carbon triple bond?

    asked by Idiota
  110. math

    sketch the image of f(x) after: a) a horizontal compression by a factor of 1/2 b) a veritcal expansion by a factor of 3 c) both transformations in parts a and c have been applied d) write the equations of the three image for a b and c i think i graphed a b

    asked by John
  111. calculus

    Consider a plane curve which is described in polar coordinates (r, @) by r = g(@) for @ for all [a,b] (@ representing theta). Starting from the known expression for the length of a plane curve in Cartesian coordinates and the equation x = rcos@, y = rsin@,

    asked by mark
  112. grade 11 maths plz help!!!

    The drama club plans to attend a professional production. From 10 to 35 students will go. There is a one-time handling fee of $3. each ticket costs $25 plus $2 surcharges. Write a linear function that models this situation. (show your work)

    asked by anjila
  113. Microeconomics

    Resource limitations that affest the richest man, the poorest man, a farmer and the govt of Indonesia

    asked by Carma
  114. maths help please!!!!

    a parallelogram has vertices (0,2), (2,-1),(6,3),(p,q). which of the following ordered pair has possible values for (p,q) a) (0,6) b) (6,1) c) (4,6) d) (6,4)

    asked by anjila
  115. math

    I don't understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x

    asked by kelli
  116. Calculus (Derivatives)

    Find the derivative of the function f by using the rules of differentiation. F(x) = x^3 – 4x^2 + 3 / x The sign “/” means divided by (OVER)…this problem looks like a big fraction. I am so lost though because I do not know why I keep getting 3x –

    asked by B &lt;3
  117. maths....help!!!!!!

    a line has slope 4/3. through which points could this line pass? a.) (24,19), (8,10) b.) (10,8), (16,0) c.) (28,10), (22,2) d.) (4,20), (0,17) if possible show the work plz!!!!

    asked by anjila
  118. HS Calculus

    How do I find all line through (, -1) for which the product of the x- & y- intercepts is 3?

    asked by kelly
  119. grammar tenses

    What does it mean to have a sentence in "present perfect tense"?

    asked by amy
  120. Physics

    Does the law of inertia pertain to moving objects, objects at rest, or both? Support your answer with specific examples.

    asked by Taylor
  121. psychology

    I am feeling really frustrated. Can you please guide me in answering those questions. How might religious, cultural, or personal beliefs influence how an event is interpreted? How might a person's mood, personality, or situation influence how he or she

    asked by rose (Ms. sue)
  122. history

    how were religion,art and government linked to ancient egypt?

    asked by cathy
  123. history

    Why did the U.S. become involved in the politics of Southeast Asia. and how did this involvement impact the U.S. political climate of the 1950's.

    asked by Anonymous
  124. space

    when the moon changes frorm new to full it is called what?

    asked by dakaota
  125. socials

    what does it mean to be a canadian?

    asked by Anonymous
  126. Accounting Balance Sheet - please help!!!

    The following data pertain to Pavilion Products Inc. (PPI): PPI has outstanding debt in the form of accounts payable, 6-month notes payable, and long-term bonds. The notes carry a 10% interest rate and the bonds carry an 8.5% rate. Both the notes and bonds

    asked by Rachael
  127. spelling or language

    how can you use "glimpse" and "cliche" in the same sentence?

    asked by martha
  128. Please help! math

    I don't understand these types of problems- Find the average rate of change of f between 1 and x f(x)-f(1)/x-1 and X cannot be equal to 1 1) f(x)= the square root of x+3 2) f(x)=1/(x^2) 3) f(x)=x^3 + x

    asked by kelli
  129. math

    how do you solve a problem like this?: 25% of 1/2

    asked by launa
  130. English

    Can someone please proof read this? In A Raisin in the Sun, Lena Younger is the nurturing, ethical character who keeps the Younger family in line. First of all, Lena is a caring mother. For instance, when Walter runs away from his family because no one

    asked by Anna
  131. Finance/Investing

    A comic book was purchased for 10 cents in 1948 and is now worth $55 today. What has been the average annual compound rate of return on this item? I tried to use the formula R=[(y/x)^(1/n)]-1 and I come up with a negative answer. Please help!

    asked by Amber
  132. 12th grade

    What ended the era of dual federalism?

    asked by Casey
  133. berber tribe

    any i nfo on the berber african tribe

    asked by adam
  134. english

    what is the 5 step writing process? thank you

    asked by blake
  135. units

    the mass of one millilitre of water is a unitary rate. what is the name given to this unitary rate is the answer millilitre?

    asked by Anonymous
  136. english

    Have to read the short story "Forgiveness in Families" taken from inside stories 2. How do Cam's early years foreshadow the years he spends as a member of the religious sect? How has he changed at the end of the story? Do you think this change is

    asked by xboxwee
  137. college physics

    In Physics we often use meters per second as the units of velocity, rather than miles per hour. Convert 1 meter per second to miles per hour to get an idea of how these units compare. Please help me by showing me step by step so I can understand it better.

    asked by Yvonne
  138. Chemistry

    Determine which H atom transition(iinitital, nfinal) was responsible for the absorption of a photon with a frequency of 4.57 x 10^14 Hz. [RH = 2.18 x 10^-18 J; h = 6.63 x 10^-34 J s]

    asked by Jiszka
  139. chemistry

    Which of the following statements about UV radiation is/are FALSE? (Select all that apply). ? a. UV B radiation covers a longer wavelength spectrum than UV A radiation. b. UV B radiation has sufficient energy to break any covalent bond. c. UV B radiation

    asked by Jasmine
  140. chemistry

    How many grams of calcium oxide, CaO, can be produced from 4.20 g of calcium metal and 1.60 g of oxygen gas?

    asked by Erika
  141. economics

    diffeence between a job and career

    asked by claude
  142. MATH

    z^2-18z+81-25x^2 (z-9)^2 -(5x)^2 (z-9+5x)(z-9-5x) is this factored completely?

    asked by jennifer
  143. english

    What does handicapping in sports mean?

    asked by xboxwee
  144. economics

    Can anyone please simply explain in words to me that why free trade is a good thing even for a high-wage country like the U.S.??? Thanks a lot!!!!

    asked by eriko
  145. english

    what is the purpose of handicapping in sports???

    asked by xboxwee
  146. Math

    Why is it important to understand rational exponents?

    asked by phoenix
  147. HHS265

    The child and family government benefits seminar was such a success that Advocates for Children will conduct a second seminar in an adjoining community. The executive director decides that this second seminar will attempt to maximize revenues.

    asked by shashana
  148. english

    what does optimistic and pessimistic mean?

    asked by xboxwee
  149. chemistry

    An aqueous solution of silver nitrate contains 5.00 g of silver nitrate. To this solution is added sufficient barium chloride to precipitate all the silver as silver chloride. What mass, in grams, of dry silver chloride can be obtained?

    asked by Erika
  150. chemistry

    The binding energy of an electron to a metal surface is 184 kJ/mol. What is the threshold wavelength (in nm) for the onset of the photoelextric effect?

    asked by Erika
  151. social studies

    Why were the Carters nuts about their family business?

    asked by siskiyou student
  152. metric units of capacity

    1,298mL=____L

    asked by wendy
  153. Physics

    A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, and the man pulls upward with a force of magnitude 377N whose direction makes an angle of 30.0 degrees with the ramp.Find the horizontal component

    asked by Tee
  154. calculus hs

    Here's the question again How do I find all line through (6, -1) for which the product of x- & y- intercepts is 3? Thanks again

    asked by kelly
  155. government

    a federal government is one in which?

    asked by Anonymous,
  156. government

    what is an example of checks and balances? A) the u.s supreme court declares a law unconstitutional B)power is shared between state and federal government C) congress passes a law D) the senate devolops rules for its internal processes.

    asked by Anonymous,
  157. chemistry

    Is it true that a p electron cannot have a magnetic quantum number equal to -2? Is it also true that for the hyfrogen atom, a 3d orbital is of higher energy then a 4s orbital?

    asked by Erika
  158. physics

    A major leaguer hits a baseball so that it leaves the bat at a speed of 30.5m/s and at an angle of 36.9 degrees above the horizontal. You can ignore air resistance.At what two times is the baseball at a height of 8.50 above the point at which it left the

    asked by Tee
  159. science(chem)

    The pKa of HEPES is 7.55 at 20C and it's MW is 238.31. Calculate the amounts of HEPES in grams and of 1.0M NaOH in ml that would be needed to make 300ml of 0.2M HEPES buffer at 7.2. I'm not sure how to go about doing this problem. Help please.

    asked by ~christina~
  160. physics

    Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 27.0m/s as it leaves the hose nozzle. Once it leaves the hose, the water moves in projectile motion. The firemen adjust the angle of

    asked by Tee