Questions Asked on
February 1, 2010

  1. Math

    Hey I have a question, what does is mean when a function is/not differentiable? thank you.

    asked by Anonymous
  2. calculus

    f(x) = tan^2x+ sinx then f ' (pi/4) =

    asked by Meg
  3. math (calc 2)

    x+y=3 x-4=-(y-l)^2 rotate about the x-axis

    asked by sally
  4. chemistry

    What will be the mass in grams of hydrogen atoms (only) that will be present in 22.2 g of compound A (XH3)?

    asked by richard
  5. algebra

    Find algebraically the equation of the axis of symmetry and the coordinates of the vertex of the parabola whose equation is y= -2x-8x+3

    asked by KR
  6. help

    The words chemistry,sherbet,elixir, and zero were borrowed from which language? A}Spanish B}Dutch C}Arabic D}Russian . I choose D. p.s. am i correct?

    asked by kerry
  7. shadow

    What is the best definition of "a shadow" that my 3 and 4 year olds could understand?

    asked by Marcia
  8. Managerial Economics

    Given the demand & supply Function for product 'x' at california university have been estimated as: Qd= 5000- 4 (price)+ 0.2 (pop) Qs=-300 +5 (price)+ 0.5 (wage rate) i) determine the equilibrium price & quantity of product X. ii) Derive the demande &

    asked by Kashif
  9. help

    Which statement does NOT describe prescriptivists? A}Language should be recorded, not judged. B}Language use should follow strict rules C} Language use should never change D} Language use should be judged and evaluated. i choose B

    asked by kerry
  10. Math

    How do i factor Plynomials?

    asked by Trenna
  11. calc

    cylindrical shells the problem says rotate about the x-axis these are the two equations given: x+y=3 AND x-4=-(y-1)^2

    asked by robert
  12. Physics

    Under the influence of the electric force of attraction, the electron in a hydrogen atom orbits around the proton on a circle of radius 5.3 x 10^-11 m. What is the orbital speed? What is the orbital period?

    asked by Kathryn
  13. Organic Chemistry 51B

    calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

    asked by Anonymous
  14. geometry

    List the following elements in proper set notation. Place the elements in numerical order within the set. * 0 * 1 * 123 * 4 * 34

    asked by amanda
  15. Chemistry

    Calculate the molality (m) of a 1820 g sample of a solution of the solute hexane dissolved in the solvent C6H6 if the sample contains 0.419 kg of hexane.

    asked by John
  16. College Accounting

    What time and financial constraints have you faced since starting college? How did you deal with them?

    asked by Lynne
  17. College Accounting

    What changes have you had to make in your life to make the college experience work for you?

    asked by Lynne
  18. algebra

    Jack usually mows his law in 5 hours. Marilyn can mow the same law in 6 hours. How much time would it take for them to mow the lawn together?

    asked by becky
  19. english

    i have to write an essay on personal perspectives on the healthcare system i don't know how to start please help

    asked by jackie
  20. math

    A rectangular sheet of metal, of area 440 sq.cm is folded into a cylinder, to enclose a volume of 1540 cu.cm. A circle whose diameter is equal to the width of the rectangular sheet is cut from the sheet. Find the ratio of the area of the uncut region to

    asked by rajshekhar
  21. maths

    All the students in a school are made to stand in rows so as to form an equilateral triangle. The first row consists of one student, the second row 2 students, third row 3 students and so on. Had there been 90 more students, the total number of students

    asked by rajshekhar
  22. math

    Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is required in order to reach at break even point depending on the suggested price of item, production capacity, fixed and variable

    asked by aiman
  23. calculus

    Find a parabola of the form given below that has slope m1 at x1, slope m2 at x2, and passes through the point P. y=ax^2 + bx + c m1 = 8, x1 = 11 m2 = 7, x2 = 9 P = (5,7) y = ? I don't know where to begin. I can't find anywhere in my textbook that teaches

    asked by Gabe
  24. Math

    Define a relation R on N such that there is a one-to-one correspondence between R and N.

    asked by Kassie
  25. Math

    Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

    asked by Kassie
  26. Math

    Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

    asked by Kassie
  27. Physics

    A class has 50 students. 13 are juniors, 20 are psych majors, and 24 are neither psych majors nor juniors. How many psych majors are juniors?

    asked by Kassie
  28. trig

    In a diagram of circle, chords AB and CD intersect at E. If AE = 3, EB = 4, CE = x, and ED = x - 4, what is the value of x?

    asked by andy
  29. geography

    Which sentence below is a cause-effect statement? Nigerian students and workers often protested during the structural adjustment period. One of the surprising facts about West Africa is that the Sahara was not always a desert. Because of their location,

    asked by EMH
  30. math

    Paul borrowed $2,000 for four months at an annual interest rate of 10.25%. How much must he repay at the end of four months?

    asked by sabina
  31. College Physics

    A playground is on the flat roof of a city school, 5.2 m above the street below (see figure). The vertical wall of the building is h = 6.50 m high, forming a 1.3-m-high railing around the playground. A ball has fallen to the street below, and a passerby

    asked by Katie
  32. math consumer

    Zoe's gross income is $16,960. His medical expenses for the year amounted to $812.35. If he can deduct only the amount over 7 1/2% of his gross income for medical expenses, how much can he deduct for medical expenses? 2)Lola has a two-year lease that

    asked by AR
  33. algebra

    the path of a rocket fired during a fireworks display is given by the equation s(t)=64t-16t^2 (t to the second power) where t is the time, in seconds, and s is the height, in feet. what is the maximum height, in feet, the rocket will reach? In how many

    asked by johnyoun
  34. Math

    The low temperature for 6 consecutive days in a city were 9, 3, 4, 16, 11 and 5. What would the low temperature have to be on the seventh day to have a mean low temperature of 6 for the week? The answer is -6. How do you get that answer?

    asked by Pam
  35. math-slopes

    >wat is an equation of the line that passes through the point (4,-6) >and has a slope of -3??? some one plzzz help me those are the choices >y= -3x+6 >y=-3x-6 >y=-3x+10 >y=-3x+14

    asked by nahla taher
  36. History

    I am completly lost on this question. Any suggestions? I am not asking for it to be answered, just need some leads! Thanks in advance. Question: Great Britain had many military victories during the war but was unable to gain political control. How did the

    asked by Jessica
  37. computer

    can an information system project be managed or is the IT environment so complex and chaotic that any success is more a matter of luck than management skill

    asked by Tisha
  38. Calculus

    Match each polar equation below to the best description. Each answer should be C,F,I,L,M,O,or T. DESCRIPTIONS C. Cardioid, F. Rose with four petals, I. Inwardly spiraling spiral, L. Lemacon, M. Lemniscate, O. Outwardly spiraling spiral, T. Rose with three

    asked by Salman
  39. bio

    the systemtic system of the heart sends oxygenated blood and nutrients to all body cells. If the questions were does it send oxygenated blood and nutrients to all body tissue would the answer be yes or no. cells make tissues so would it be yes?

    asked by jb
  40. mathematics

    Ginger earns $18,500 annually and has 22% of her gross earnings withheld. What is the net amount of her paycheck each pay period if she is paid biweekly? 2)Zack deposited $1,200 in a savings account that paid 7.75% simple interest. What was the balance in

    asked by gbe
  41. Mays Middle

    Math-The low temperature for 6 consecutive days in Montana city were 9, 3, 4, 16, 11, and 5 degrees. What would the low temperature have to be on the seventh day to have a meanh low temperature of 9 degrees for the week?

    asked by James
  42. algebra

    the revenue from selling x units of a product is given by y=-0.0002x^2+60x. how many units must be sold in order to have the greatest revenue? I think I need to use this formula: -b/2a, but I'm not sure if I'm getting the right answer. please explain step

    asked by emma g
  43. math

    (√12 x √16)/√75 √(12/25) how to simplify these?

    asked by rose
  44. math

    what are the x-intercepts here? y=x^2+2x-35 y=x^2+2x-48

    asked by rose
  45. pre cal

    solve for x 8x-(2x-1)=3x-10

    asked by deonte
  46. Math - Trigonometry

    Find the amplitude, period, and phase shift - y=cosð/2 (x+1/3)

    asked by Aaron
  47. Math - Trigonometry

    Math - Find the amplitude, period, phase shift - y=cosPi/2 (x+1/3)

    asked by Aaron
  48. math

    Find the equation of the line passing through the two points. (-1, -7) and (-1, -6)

    asked by RB
  49. algebra

    please giveme step by step instructions on how to solve linear equations. -x+4y=9 and x-y=3 . I am trying to plot the coordinaces.

    asked by Anonymous
  50. Biology

    I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its

    asked by mysterychicken
  51. Can't understand trig problem

    An airplane left an airport and flew east 174 miles. Then it turned northward flying along a bearing of N22E. When it was 254 miles from the airport, there was an engine problem and it turned back to take the shortest route possible back to the airport.

    asked by joel
  52. algebra

    please give me step by step instructions on how to solve the following equations; x-y=3 and -x+4y=9 I am trying to graph the coordinates.

    asked by sherry
  53. Math

    If I have a square and I draw two lines across the middle that interestect what would be the interior angles of that intersection. I know the square itself is 360 degrees and the inner corners are all 45 degrees. I am not sure how to calculate the interior

    asked by none
  54. english 4

    Which is an example of verbal irony as spoken by Antigone? "You have yourself to consider, after all." "You must decide whether you will help me or not." ". . . and if I must die, / I say that this crime is holy . . ." ". . . if it means death, / It will

    asked by lisa
  55. Biology--Urgent

    Need help with these: a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? b) Identify one similar and one different way each type of cell uses flagella c)The cytoskeleton of eukaryotes serves

    asked by mysterychicken
  56. english 4

    Creon declares that anarchists are behind the burial of Polyneices. What dramatic irony lies in the declaration? The audience knows that it is the Sentry who buried him. The audience knows that it is a priest who buried him. The audience knows that Creon

    asked by lisa
  57. english 4

    When Cassius asks Pindarus to report what he sees, Pindarus states that Titinius has been captured. Why is this event an example of irony? At this point the audience knows that Titinius has not been captured. Cassius says he cannot see well, but the

    asked by lisa
  58. Physics

    At a place directly below a thundercloud, the induced electric charge on the surface of the Earth is +1.0 X 〖10〗^(-7) coulomb per square meter of surface. How many singly charged positive ions per square meter does this represent? The number of atoms

    asked by Josslyn
  59. chemistry

    The bromination of acetone is acid-catalyzed. CH3COCH3 + Br2 CH3COCH2Br + H+ + Br - The rate of disappearance of bromine was measured for several different concentrations of acetone, bromine, and H+ ions at a certain temperature. [CH3COCH3] [Br2] [H+] rate

    asked by danielle
  60. Physical science

    How does the angle a rocket is launched at affect the distance it travels?

    asked by Anonymous
  61. health

    what happens to facilities that get branded poorly due to poor responses to unforeseen or alarming circumstances? How can they pull out of this appearance that has been created....whether they like it or not?

    asked by Anonymous
  62. Hydraulics

    A cylinder with a 3" bore and a stroke of 16" receives 18 gpm. What is the piston rod velocity?

    asked by James
  63. algebra

    can you show the problems worked out x-y=3 if x=1,2,3,4 etc... and -x+4y=9 if x = 1,2,3,45,6 etc.. I need to graph coordinates. Thanks

    asked by sherry
  64. Geography

    Are these correct: Although Brazil is rich in natural resources, a. the government has done little to foster economics growth b. poverty is prevalent among its population c. the country has not yet begun to industrialize d. the location of these resources

    asked by y912f
  65. Environmental Science

    are these correct? 29. A common feature of thermal pollution and artificial eutrophication is that they both a. ave sources that are idfficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and

    asked by y912f
  66. maths

    can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h, the rate at

    asked by lucy
  67. prosecutors ethical dilemmas

    2 questions What are some of the ethical dilemmas that prosecutors face? How might a prosecutor's ethics influence his or her discretion in pursuing cases?

    asked by george
  68. communication

    When one buys insurance, you need to be clear about your needs

    asked by Anonymous
  69. math

    Convert --→ 4.2 g = ______ kg.

    asked by bobby
  70. Physics

    A proton accelerates from rest in a uniform electric field of 620 N/C. At one later moment, its speed is 1.30 Mm/s (nonrelativistic because v is much less than the speed of light). (a) Find the acceleration of the proton. m/s2 (b) Over what time interval

    asked by Zoe
  71. Geography

    #63. Describe the geography of southern South America and how this geography influences economic activity? my answer: The three nations of southern South America--Uruguay, Paraguay, and Argentina--are very different from the rest of the continent. The

    asked by y912f
  72. Finance

    Forecasting Collections. Here is a forecast of sales by National Bromide for the first 4 months of 2001 (figures in thousands of dollars): Month: 1 2 3 4 Cash sales 15 24 18 14 Sales on credit 100 120 90 70 On average, 50 percent of credit sales are paid

    asked by alex
  73. calculus

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake
  74. Biology

    b) Identify one similar and one different way each type of cell [prokaryote and eukaryote] uses flagella. My answer: In both prokaryotes and eukaryotes, flagella protrude from the cell's surface and enable movement. Prokaryotic flagella rotate, propelling

    asked by mysterychicken
  75. Geography

    #62. Taken as a whole, what would you say is the single most pressing problem found in Latin America or South America? What possible solutions can you develop? I'm not quite sure how to answer that. Any ideas?

    asked by y912f
  76. Technology-Labs

    I have these labs that I have to complete for my Intro to Technology course, and they're just too hard for me to do. My teacher doesn't help me at all on them, because they're mostly about drawing out machines and stuff, she says I'm supposed to do it

    asked by y912f
  77. algebra

    I need help with this question please: Solve the inequality. Give the result in set notation. (If you need to use or –, enter INFINITY or –INFINITY, respectively.) -25 5x < 30 {x | 1 x < 2}

    asked by damion
  78. Finance 200

    I need help on how to:Complete the Comprehensive Problem: Landis Corporation on p. 118 of Foundations of Financial Management

    asked by Gina
  79. Microeconomics

    Explain how the supply of new housing interacts with shifts in the demand for owner-occupied housing in your neighbourhood or an area with which you are familiar. In what ways does the mechanism differ from that which exists normally in markets for

    asked by Sammy
  80. science

    in gas chromatography, if the two peaks in chromatogram are too close, what changes in experimental conditions could make to separate them more effectively?

    asked by vivian
  81. english 4

    At the opening of A Separate Peace, Why does the narrator returns to the Devon School

    asked by lisa
  82. algebra 2

    what are the real solutions of 750=x^3-15x^2+50x

    asked by brian
  83. algebra 2

    what are the real solutions of 750=x^3-15x^2+50x

    asked by brian
  84. Biology

    a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? I'm not sure if this is asking for the nucleus or if it's asking about the organelles...which one should I write about? Thanks -MC

    asked by mysterychicken
  85. Finance

    I want to be able to buy a car with cash in 4 years. I have $5,000 that I can invest today. I can get a bond earning 6.5%. How much will I have for the purchase?

    asked by Tenesha
  86. English

    Can you check these sentences,please? 1) It was too bad you couldn't go skiing with your boyfriend 2)I decorated the Christmas tree with lights, angels, bells, snowmen, ribbon, stars and baubles. 3) Antony succeeds in stirring the crowd against Brutus 4 I

    asked by Franco
  87. algebra

    (r,s) and (t,v) ordered pairs

    asked by john
  88. english

    what is meant by "Teenage baggage?" plz REPLY ASAP Thanku

    asked by shahroz
  89. Economics

    True or False: If a model fits reality but doesn't generate testable predictions, it is of little value to economists.

    asked by John Q.
  90. chemistry

    Determine how much heat is evolved or absorbed when 20.0 of lithium iodide completely dissolves in water.

    asked by cindy
  91. anatomy

    how is impulse conduction different in unmyelinated neurons?

    asked by jonathan r
  92. English

    i have a Quote from a novel: "Thailand changed my life. I arrived there with teenage baggage and left with the confindence to be myself ". What does "teengae baggage" mean in this quote?

    asked by shahroz
  93. physics

    A cat chases a mouse across a 1.1 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.2 m from the edge of the table. The acceleration of gravity is 9.81 m/s2 . What was the cat’s speed when it slid off

    asked by Anonymous
  94. math

    what fact family would help solve 15 divided by 5?

    asked by Pam
  95. Math

    three possible word problems for the equation 20-4x=-80

    asked by Crystal
  96. math

    how do you find the valule of the ratio 7X9 : 8X7?

    asked by Pat
  97. algebra

    Write the expression in standard form. Then identify the polynomial by its degree and number of terms. (2x4 + 3x – 4) + (-3x + 4 + x4)

    asked by Anonymous
  98. English - Mari Djata

    What causes Mari Djata to walk? a)A voice from Allah tells him it's time. B) He wants to save his mother from further humiliation. C)He walks in response to a taunt from a child. D)His father reminds him that he is a lion among men.

    asked by lisa
  99. english

    we are doing a scrapbook in school about people who helped the world. what could i do to make the scrapbook more unique??

    asked by purbasha
  100. science

    how to clean up a oil spill from water without getting any of the water out?

    asked by purbasha
  101. Math

    If a mixture requires 2 parts water to 3 parts of alcohol what percentage of mixture is water. How do I work this problem?

    asked by Timmy
  102. enghish

    As a romance hero, Arthur displays the quality of generosity when he? A)forgives the nobles for delaying his succession to the throne. B)tells Sir Ector that he, not Sir Kay, removed the sword from the stone. C)first tries to pull the sword from the stone.

    asked by lisa
  103. English

    i need help with a question from this quote: "sometimes lifes most important lessons need to be literally staring us in the face befor we are able to recognise their true value" why do some lessons need to stare us in the face?

    asked by shahroz
  104. physics

    You throw a ball straight up at 25 m/s. How many seconds elapse before it is traveling downward at 13 m/s?

    asked by Jamie
  105. health

    How does technology impact the choices we as consumers make regarding our healthcare choices? And how can that technology impact the response healthcare organizations make during alarming or unforeseen events? Can someone help me find and internet engine

    asked by Anonymous
  106. chemistry

    A dead alkaline battery is found to contain a compound of Mn and O. It's analysis gives 69.6% Mn and 30.4% O

    asked by Nicky
  107. English

    The following paragraph contains five errors in grammar, punctuation, mechanics, or usage. Copy and paste the paragraph into the textbox, and then revise to correct the errors. 2. Often, however, the dictionaries are wrong about this, in fact, by putting

    asked by Robin
  108. chemistry

    The diameter of the tungsten wire in a light bulb filament is bery small, less than two thousandths of an inch, or about 1/20 mm. THe mass of the filament is so very small - 0.0176 grams - that it would take 1,600 filaments to weigh an ounce! How many

    asked by Crsa
  109. math

    what is the value of the cordinate of the solution to the system of equations x-2y=1 and x+4=7

    asked by Rolando
  110. Biology

    a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? I'm not sure if this is asking for the nucleus or if it's asking about the organelles...which one should I write about? Thanks -MC

    asked by mysterychicken
  111. calculus

    Let F(s)=5s2+1s+4. Find a value of d greater than 0 such that the average rate of change of F(s)from 0 to d equals the instantaneous rate of change of F(s)at s=1.

    asked by t
  112. psy

    Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula for transforming a raw

    asked by mary
  113. clothing and textiles

    what is meant by the term "controlling/disposing of fullness" ?

    asked by andra
  114. math

    What is a generalization for this set of polygons: square, hexagon and a pentagon

    asked by Erica
  115. English 1

    What rhyme scheme does Robert Frost use in his poem "The Road Not Taken".

    asked by Candace
  116. math

    Bronze cocnsists of 6 parts tin to 19 parts cooper. How amny pounds of tin are there in a 500 lb. bronze statue? What is the formula for getting the answer?

    asked by Timmy
  117. physics

    how do equipotential lines differ in the patterns they make for different geometries?

    asked by jake
  118. math

    "locate the missing information, then solve the problem" 11. About 45 000 people could stand on a Canadian football field between the goal posts. How big is the square each person has to stand on?

    asked by raluca
  119. physics

    explain the relationship between contours of constant potential and the electric field direction. why is the electric field a vector quantity while the electric potential is a scalar?

    asked by jake
  120. English-Ms Sue

    This is my revision to my earlier question, please proofread. Often, the dictionaries are wrong about this, in fact by putting one word first; they are supporting a self fulfilling prophecy. Consider the entry, "ax or axe", which appears with the two words

    asked by Robin
  121. spelling

    analogies for couldn't wouldn't as green is to ?

    asked by marissa
  122. health

    What are the potential disadvantages of telemedicine?

    asked by Anonymous
  123. health

    Would you communicate with a professional healthcare provider via e-mail given the chance? Why or why not?

    asked by Anonymous
  124. spelling

    what is the answer to this analogy? must start with the letters scr, spr, str, or thr. couldn't:wouldn't ; green ????also for fifteen: five: nine ???

    asked by marissa
  125. Biology

    Need help with this one: c)The cytoskeleton of eukaryotes serves many functions. One of these functions is served in prokaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in

    asked by mysterychicken
  126. English III

    I am having trouble doing my Poetry Explication Essay.I have my introduction, I just need help doing my body paragraph on my poem "The Road Not Taken" by Robert Frost.

    asked by Abriel
  127. statistics

    What is the value of the z-scores if the area of the curve to this point is 0.887? How much of this are is between the peak of the curve and this point?

    asked by Josh
  128. math

    Make up a set of atleast twelve numbers that has the following landmarks. Minimum: 50 Maximum: 57 Median: 54 Mode: 56?

    asked by Madeleine
  129. english

    why formal communication differ from informal communication within a group? I don't want the difference, just state why they are different.

    asked by mike
  130. math

    how many ways can 3 students be arranged in three chairs?

    asked by ssmomo
  131. math

    i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h,

    asked by lucy
  132. algebra

    3 1/2 in. by 5 in. photograph is enlarged to a 28 in. by 40 in. poster. What is the scale of the poster?

    asked by madyson
  133. math

    solve x x-4y=-14

    asked by tony
  134. Science

    What are some human's instinct? Is breathing air count as an instinct? If not what do it count as? since you can't stop breathing.

    asked by Shadow
  135. math

    If 1/3 of a family is female children and 1/2 of a family is male children Including the parents how do I find the number of people in the family?

    asked by Janice
  136. math

    the florida lottery is made up of the number 1-49. my mother observed that the winning numbers many times are prim numbers. a. list the prime numbers from 1-49 b.

    asked by ssmomo
  137. psy

    Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula

    asked by mary
  138. math

    the florida lottery is made up of the number 1-49. my mother observed that the winning numbers many times are prim numbers. a. list the prime numbers from 1-49 b. what is the probability of a prime number being picked randomly from the numbers 1-49? c. is

    asked by ssmomo
  139. Physics

    A 880 kg car strikes a huge spring at a speed of 20 m/s (Fig. 11-50), compressing it 15.0 m. (a) What is the spring constant of the spring? (Found this, it was 1564.44) (b) How long is the car in contact with the spring before it bounces off in the

    asked by Anonymous
  140. English

    What are some good and bad puns? These ones in my opinion are bad: *She criticized my apartment, so I knocked her flat. *I have actually asked photographers to step into the darkroom with me so we could see what develops *Someday I hope I'll be asked to

    asked by Sara
  141. internet basic

    business email messages should

    asked by brandon
  142. 2nd grade Math

    The following is a table Range in lb Number Under 50-54 4 55-59 7 60-64 6 65 and higher 2 1. Write a simple comparison problem about the weights in the above table. 2. Weite an addition proble about weights. 3. Write an addition problem about the table as

    asked by Nathan
  143. English??

    what does no ship sails the same sea twice mean?? I think it means no one makes a mistake twice without getting punished.

    asked by TB
  144. Biology

    I have to write 2-4 sentences on these questions. Can I please get some help? 'Both animal and plant cells undergo cytokinesis after mitosis ends. a) How is the process and its outcome same for both animal and plant cells? b)How is the process and its

    asked by mysterychicken
  145. OCHEM

    Write the mechanism for (E)-2-5-dimethyl-hex-3-ene and bromine? Assign the R, S configuration for each of the products and determine the stereochemical relationship of each set of products. I think the products will be trans but I am not quite sure how the

    asked by Rebecca
  146. Language Studies

    Can body language impair a speaker’s language performance?

    asked by Breann
  147. Science

    The normal recommended amount of Vitamin C is 1,000 milligrams (mg) per day for non-pregnant women. During pregnancy how much vitamin c does a pregnant woman need?

    asked by Diamond
  148. trig

    A population of wolves in a country is represented by the equation P(t)= 80(0.98)^t, where t is the number of years since 1998. predict the number in the population in the year.

    asked by lhencham
  149. Math

    Find an equation of a plane through the point (1, 5, 1) which is orthogonal to the line x=3+5t y=5-1t z=-1+4t in which the coefficient of x is 5.

    asked by Derek
  150. chemistry

    a sample of seawater has a density of 1.02kg/L and has the following ion in parts per million by mass, 19,000 Cl-. how do you find the molar concentration of the ion?

    asked by mike
  151. English

    How do text and word help me understand the meaning of words while I read and write?

    asked by Madison
  152. Science

    How does having William's Syndrome have a impact on peoples daily life? I cant find anything on Williams syndrome. i found down syndrome but i don't want that. please help

    asked by christina
  153. Math

    What is the probality of rolling a number less than or equal to 2 on the number cube?

    asked by Cory
  154. P.E.

    Give two reasons why a person should not consume a heavy meal immediately before an exercise routine?

    asked by yendie
  155. World History

    What concerns did Darwin have in regards to his work?

    asked by Anonomous
  156. English

    why is it important to know the story elements when reading a text and writing a narrative

    asked by Madison
  157. Social Studies

    I was hoping you could help me. I know that Maslow has five level of needs. But I am trying to find out what are the two basic sets of needs for humans according to Masclow?

    asked by Anonymous
  158. Biology

    What kind of energy do humans run on ?

    asked by Anonymous
  159. 1st grade

    How does wheat turn into flour?

    asked by Justin
  160. Reading

    The Word Bug Has A Very Different Meaning When Referring To Computers.What Is A Bug In A Computer? A.An Insect B.An Infectioun Germ C.An Unexpected Fault D.An Alarm System

    asked by Janae
  161. Physics

    1.A spherical condenser has inner and outer spheres of radii a and b respectively. The space between the two is filled air. The difference between the capacities of the two condensers formed when outer sphere is earthed and when inner sphere is earthed

    asked by Sandhya
  162. science

    Can anyone help me???? What affect do clouds have on humans beings??? It's for a science project

    asked by kool4life
  163. math

    evaluate 3 + x for 1 over 2 our teacher never taught us this, and i don't know how to do it

    asked by helpp!
  164. 8th grade

    Math Algebra With Pizzazz (in music, What Does "Allegro" Mean?

    asked by riley159
  165. algebra

    when 5√20 is written in simplest radical form, the result is 4√5. What is the value of k?

    asked by Steven Gallego
  166. world history

    what method of warfair did the french use during the french and indian war

    asked by makaela
  167. managerial economics

    The total operating revenues of a public transportation authority are $100M while its total operatiing costs are $120M. The price per ride is $1, and the price elasticity of demand for transportation ia -0.4. The transportation authority has to eliminate

    asked by Sameela
  168. English-Ms. Sue

    I'd like to know how you find those puns good. I am unable to understand the difference between good and bad puns, even after looking at the site you provided. I dream of being asked to a dinner party where the hostess falls backward into the table. "Look

    asked by Sara
  169. physics

    calculate the change in thermal energy of the water in a pound with a mass of 1000kg and a specific heat of 4184 j(kg)if the water cools by 1c

    asked by Anonymous
  170. Physics

    A soap bubble is given negative charge, what will happen it the radius and why?

    asked by Sandhya
  171. Physics

    A box is given a quick push so that it slides along a horizontal floor. a) What is its acceleration if the coefficient of kinetic friction is 0.30? b) How far will it travel if its initial speed was 3.0m/s? Is it possible to find the acceleration when only

    asked by sh
  172. chemistry

    can you check my answers in the parenthesis 1)The molecular structure around the oxygen in water is (bent) 2)The molecular structure around all the carbons in ethanol is (tetrahedral)

    asked by blasting
  173. history

    what was the situation of african americans in e united states from 1800 to 1860.

    asked by haley
  174. probability

    An insurer offers a health plan to the employees of a large company. As part of this plan, the individual employees may choose two of the supplementary covaerges A, B and C or they may choose no supplementary coverage. The proportions of the company's

    asked by Reshma
  175. Chemistry

    When 50 mL of 1.0 M AgNO3 is added to 50 mL of 0.50 M HCl, a precipitate of AgCl forms. After the reaction is complete, what is the concentration of silver ions in the resulting solution? (a) 0.50 M (b) 1.0 M (c) zero (d) 0.25 M (e) 0.75 M How do I go

    asked by Anonymous
  176. probability

    An insurer offers a health plan to the employees of a large company. As part of this plan, the individual employees may choose two of the supplementary covaerges A, B and C or they may choose no supplementary coverage. The proportions of the company's

    asked by Reshma
  177. English-Ms. Sue

    my other question; What is the purpose of this essay? How can you tell? The purpose of this essay is to give us a better understanding of puns. how can I tell? - In this essay it gives selections of puns, that are all different. Please add any more info,

    asked by Sara
  178. English-Ms. Sue

    My other question: Is there a structure to this selection? Dicuss. I do not understand this question, can you please explain, thanks

    asked by Sara
  179. English

    Hello there! If you have time, can you please look over my essay! Thank you! Analyze one of the following elements in Donkey Skin: the narrators, the art of transformation, power, love, self image, self transformation. The fairy tale "Donkey Skin" by

    asked by Mary
  180. math

    how we round 3.447 to a whole number

    asked by Praneeith
  181. Foundations of Business

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

    asked by Janet
  182. English-Ms. Sue

    here is the essay: Get Thee to a Punnery I dream of being asked to a dinner party where the hostess falls backward into the table. "Look out"!, I shout, 'you'll burn your end at both candles." Or I meet a sculptor in the street. "Hi, you old chiseler," I

    asked by Sara
  183. psycholgy

    Please help, very lost Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula

    asked by mary
  184. English 1

    You can find the ______ by asking yourself who or what carries out the action of the verb. A.verb B. prepositional phrase C.helping verb D.subject

    asked by Abriel
  185. Shakespeare

    What do you enjoy about reading Shakespeare ? plz help

    asked by Anonymous
  186. English 1

    what is the subject of the sent? Holly has been my best friend since grade school. A.friend B.school C.grade D.Holly

    asked by Anonymous
  187. algebra

    I need help with this problem:Two records and three tapes cost $31. Three records and two tapes cost $29. Find the cost of each record and tape.

    asked by Anonymous
  188. English 1

    what is the subject of the sent? after her dog ran away from home, my friend began calling area pet shelters. A.my B.home C.friend D.dog i think it is D

    asked by Anonymous
  189. English-Ms. Sue

    This is the last question on the essay. The author of this essay is Shirley Whittington Last question: Some people consider puns to be the lowest form of humour. What points does Whittington advance to suggest the respectabililty of puns? Do you agree with

    asked by Sara
  190. science

    an electric current can be generated by moving a wire coil in a magnetic?

    asked by b
  191. history

    How did the Israelites become slaves in Egypt?

    asked by kool4life
  192. spelling

    change seat to win in four moves

    asked by Anonymous
  193. Chem

    While in Europe, if you drive 125 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 39.0 ?

    asked by Sarah
  194. History

    Which of the following statements most accurately characterizes African American marriages and childbearing in the early nineteenth century? a) Most married slaves who were not separated by sale lived in stable unions and had most of their children while

    asked by Shelly
  195. English-Ms. Sue

    What is the purpose of this essay? How can you tell? - Second part how can I tell? - I can tell by, well this essay talks only about puns, there are a variety of different types of puns in here. Ms. Sue I want to take the well out of my answer, but if I do

    asked by Sara
  196. english/punctuation

    Add punctuation to the paragraph. You must be kidding, how can I possibly finish all this homework, and still find time to clean up this mess! I never imagined that one puppy could create so many messes in just a few hours! Dind't I lock the gate before I

    asked by Marie
  197. Physics

    Four charged particles are at the corners of a square of side a, as shown in the figure below. (A = 4, B = 5, C = 5.) (a) Determine the magnitude and direction of the electric field at the location of charge q. (Use k_e for the Coulomb constant and q and a

    asked by Zoe
  198. English- Mrs.Sue Please

    error in subject-verb agreement. A.One of Sam's children are attending Harvard University. B.The baseball team are headed for Atlanta tomorrow. C.the senator, along with her aides, are planning to arrive by noon. D. Each of the bus drivers has been trained

    asked by Anonymous
  199. spelling

    How do you spell bissness? I now this is a dumb question but can u help

    asked by kool4life
  200. trig

    if f(x)= log(2)x and g(x)= 2x squared +14, determine the value of (f o g)(5)

    asked by helen
  201. 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 Judy
  202. Ms. Sue

    Sent. demonstrates the past perfect tense? A. Ann had quit smoking seven times before she finaaly succeeded. B. We are leaving for england early tomorrow morning. C. we have lived in this house for more than twenty years. D. Most of the employees arrive at

    asked by Anonymous
  203. math(Please please help!!!)

    1) Find the period and the amplitude. y= 3 sin 2x Please explain!!! I do not know how to do this.

    asked by Hannah
  204. English- Mrs.Sue Please

    a narration essay is generally written using which organizational pattern? A.from least important to most important B. space order C.chronological D. none above

    asked by Anonymous
  205. childcare

    As a day care worker, you should be familiar with the development of children. Which one of the following items is a developmental achievement of a two-month-old infant? a Rolling from side to back B Eruption of teeth C Good control of head D Turning

    asked by Abbie
  206. childcare

    A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should you do? a. Send her home. She is still contagious. B Welcome her back and let her know what there is to do today. C Allow her to

    asked by Abbie
  207. network

    You have been asked to help upgrade the LAN at a very successful CPA firm with five departments in one building and a total of 560 employees. Although the firm's employees understand accounting, they haven't spent much time improving their network.

    asked by Pepy
  208. network

    AstroTech Components, a company that manufactures parts for the aeronautics industry, is having trouble with a network segment in one of its depart-ments. Its IT director has asked you for help. The network consists of 300 workstations using a mix of

    asked by Pepy
  209. network

    You have worked as a network engineer for a few years, but your job at Con-nectSpree is the first opportunity you've had to work for an ISP. You'll be working on the part of ConnectSpree's network that provides customer con-nections to the Internet. This

    asked by Pepy
  210. To. Ms. Sue

    Ms. Sue could you please see my response : h t t p : //w w w.j i s k h a . c o m / d i s p l a y .c g i?i d = 1265076479#1265076479 . 1265077719

    asked by Sara
  211. trig

    use the unit circle to find the exact value for all the trig functions of è=2ð/3.

    asked by Anonymous
  212. Algebra

    an algebra student won $115,000 in a lottery and wishing to deposit it in savings accounts in two financial institutions. One account pays 7.9% simple interest but only insures $60,000. The second account pays 6.9% simple interest and deposits are insured

    asked by Steph
  213. science

    6. A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

    asked by tina
  214. math

    correction: use the unit circle to fin the ecaxtvalue for all trig functions theta=2pi/3

    asked by Anonymous
  215. English

    if the writer takes an omniscient perspective, and provides insight into the characters' thoughts and motivations, then the point of view is A. individual B. second-person C. first-person D.third-person ithink it is C

    asked by Anonymous
  216. English-Ms. Sue

    What do you consider to be the best and worst puns in the essay? Justify your choices. I just need help with the second part, like how would I justify my answer?

    asked by Sara
  217. arithmetic

    Denise is designing a storage box in the shape of a cube. Each side of the box has a length of 10 inches. She needs more room and decides to construct a larger box in the shape of a cube with a volume of 2,000 cubic inches. By how many inches, to the

    asked by amra
  218. U.S History

    what were the cultural, social, economic, and political factors of the union (the north) and the confederacy (the south).

    asked by Tina
  219. Business Math

    find the equation of the line L that passes through the point (-2,4) and satisfies the given condition. L passes thrugh the point (3,7/2)

    asked by Jaycee
  220. ENGLISH - SEPARATE PEACE

    In "A Separate Peace" For Gene, jumping from the tree seems to be a way to what? A)reject his past life of conformity. B)gain new respect from his classmates. C)prepare for military service. D)give continuity to his life. I am torn between B and D can

    asked by TOAD
  221. trig

    what is the exact value of 7pi for all trig func.?

    asked by claire
  222. cell cycle

    where do the microtubules of the spindle originate during mitosis in both plant and animal cells?

    asked by Anonymous
  223. Statistics

    How do you determine if there's a statistically significant difference between two data sets/values? Thanks!

    asked by Alex
  224. science

    What organ receives pancreatic juices? What organ absorbs water and what organ, in animals, helps digest cellulose?? Please help me!!

    asked by abby
  225. Calculus

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake
  226. time of trip

    Airplane 200km/h Jet Stream 50km/h Total miles 1250km

    asked by Anonymous
  227. algebra

    which value of X is the solution of the equation: 2X/3 + X/6 = 5 ?

    asked by sejla
  228. 6th grade math

    Which expression could you use to find the measure of an angle that is supplementary to 63 degrees. A) 90 degrees + 63 degrees B) 90 degrees - 63 degrees C) 180 degrees + 63 degrees D) 180 degrees - 63 degrees

    asked by Sue
  229. alg math 116

    9x +3y=-51,-5x +y=39 solve using substitution method

    asked by Juan
  230. algebra

    Denise is designing a storage box in the shape of a cube. Each side of the box has a length of 10 inches. She needs more room and decides to construct a larger box in the shape of a cube with a volume of 2,000 cubic inches. By how many inches, to the

    asked by amra
  231. Chemistry

    What is the Keq of Cl2(aq) + 2HI2(g) -> I2(s) + 2HCl(s) Solid is not included in the Keq expression, so what would Keq be? Thanks in advance.

    asked by sh
  232. english/punctuation

    Add punctuation to the paragraph. You must be kidding! How can I possibly finish all this homework, and still find time to clean up this mess? I never imagined that one puppy could create so many messes in just a few hours! Didn't I lock the gate before I

    asked by Marie
  233. geometry

    what is congruent an what ia similar ?

    asked by caorice
  234. Chemistry

    Calculate the mass ( kg ) of the solute C4H8O and the volume ( mL ) of the solvent C6H6 that should be combined to generate 6450 g of a solution that is 2.07 m C4H8O. Density (kg/l) C4H8O 0.8892 C6H6 0.8786

    asked by Anon
  235. Chemistry

    A student places 100 mL of tap water in a beaker and uses both a thermometer and a temperature probe to measure temperature. The temperature of the water as measured by the thermometer is 27.7 C. The temperature of the water as measured by the temperature

    asked by Drew
  236. History

    Hello, I am doing this History project where we are required to differentiate the violence exerted by the great powers in context of New Imperialism and the First World War. The problem is that I am having trouble finding articles that actually talk about

    asked by Rose
  237. Econ

    True or False: If a model fits reality but doesn't generate testable predictions, it is of little value to economists.

    asked by Abe S.
  238. childcare

    the main difference between emergency care and first aid is the A severity of the condition being treated. B person performing the treatment. C age of the victim. D location in which the treatment is given. The answer correct for me is A

    asked by Abbie
  239. english/

    1-furthermore 2-at the same time 3-meanwhile 4-similarity 5- consequently 6-for example 7-however 8-afterward 1-I have experience flipping pizza dough;----1-----,i have eaten just about every kind of pizza you can imagine! 2-They will attend the graduation

    asked by Marie
  240. coding and billing

    I just realize I do not have the correct coding book to do a brief look up codes worksheet. I need help!!!!

    asked by kiki