Questions Asked on
November 13, 2009

  1. Physics

    The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal frictionless surface by a horizontal force . A small cube (mass = 4.0 kg) is in contact with the front surface of the large cube and will slide downward unless is

    asked by Litany
  2. AP Physics - Equilibrium

    The Achilles tendon is attached to the rear of the foot as shown in the figure below. When a person elevates himself just barely off the floor on the ball of one foot, estimate the tension Ft in the Achilles tendon (pulling upward) and the (downward) force

    asked by Henry
  3. Chemistry-Bonding

    Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). a.) O with F _________ b.) Ca with Cl __________ c.) Na with Na _________ d.) U with Cl

    asked by Mary
  4. Pre Calc

    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 = 1 2 5 8 1 5 2 7 6 5

    asked by Pre Calc
  5. Physics

    drawing shows a 25.0-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, and , are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor

    asked by Litany
  6. Physics

    To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i +

    asked by Becky
  7. Physics

    The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at this depth?

    asked by NS
  8. math- odds

    A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain why?

    asked by matt
  9. Algebra

    A total of 475 tickets were sold for the school play. There were 75 fewer student tickets sold than adult tickets. How many adult tickets were sold?

    asked by JB
  10. math

    how do u solve "why did zorna pour ketchup on her brothers hand?"

    asked by Stephanie
  11. advanced functions

    Determine approximate solutions for this equation in the interval x is all real numbers [0, 2pi), to the nearest hundredth of a radian: cosx + 0.75 = 0

    asked by -
  12. Physics

    A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

    asked by Litany
  13. literature

    Read the following passage from act 3, scene 2.       So we grew together,       Like to a double cherry, seeming parted,       But yet an union in partition; In this passage, Helena is referring both to herself and to A. Oberon. B.

    asked by rose
  14. Physics

    60 cm^3 of gasoline are mixed with 55 cm^3 of water. What is the average density of the mixture? answers in meters i did (.6*680)+(.55*1000) then divided by 95...is this workable?

    asked by NS
  15. Pre Calc

    use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator. sec ( - pi/18) * cos (37 pi)/18 I do not see how to do this problem. Every time I do it out I get a reference angle of twenty degrees which

    asked by Pre Calc
  16. Chemistry

    Calculate the average disappearance of A between t=0 min and t=10 min in units of M/s. 0 min there are .065 moles of A 10 min there are .051 moles of A 20 min there are .042 moles of A 30 min there are .036 moles of A 40 min there are .031 moles of A The

    asked by Anonymous
  17. Physics

    An 81-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is 0.49. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.6 s, what was his initial velocity?

    asked by Litany
  18. chemistry

    For the following reaction at a certain temperature, it is found that the equilibrium concentrations in a 5.00 L rigid container are [H2] = 0.0500 M, [F2] = 0.0100 M, and [HF] = 0.400 M. If 0.261 mol of F2 is added to this equilibrium mixture, calculate

    asked by Meghan
  19. Physics

    A 10cm times 10cm times 10cm block of steel (rho _steel= 7900kg/m^{3}) is suspended from a spring scale. The scale is in newtons. Part A:What is the scale reading if the block is in air? Part B:What is the scale reading after the block has been lowered

    asked by NS
  20. Physics

    An ice skater is gliding horizontally across the ice with an initial velocity of +6.3 m/s. The coefficient of kinetic friction between the ice and the skate blades is 0.081, and air resistance is negligible. How much time elapses before her velocity is

    asked by Litany
  21. chemistry

    How many photons will be required to raise the temperature of 2.0 g of water by 2.5 K?

    asked by Anonymous
  22. SCIENCE

    A uniform ladder which is 10metres long and weighs 300newtons leans with its upper end against smooth vertical wall and its lower end on arough ground.the bottom of the ladder is 6metres from the base of the wall.a man weighing 700newtons stands on the

    asked by SOLVE
  23. Physics

    A 10cm times 10cm times 10cm wood block with a density of 700kg/m^3 floats in water. What is the distance from the top of the block to the water if the water is fresh? And If it's seawater?

    asked by NS
  24. science

    Which of the following would be the limiting reagent in the reaction shown below? There are 50 molecules of O2 and 50 molecules of H2. 2H2(g) + O2(g) ==> 2H2O(g)

    asked by Ethan
  25. Calculus

    Find an overestimate and underestimate that the bug crawls during an hour v= 1 / [2+t]? For time, t, in hours, 0

    asked by Z32
  26. algebra

    At work one day Erica received 36 packages. Speedy delivered 3 times as many as Express, While Express delivered 4 more than Quick Service. How many packages did each service deliver to Erica?

    asked by Sarah
  27. Biology

    A mutant protist is found in which some mitochondria lack an inner mitochondrial membrane. Whcih of the following pathways would be completely disruped in these mitochondria? a) the citric acid cycle. b) oxidative phosphorylation. c) the citric acid cycle

    asked by Terrye
  28. Physical Science

    How many calories of heat are required to raise the temperature of 550g of water from 12.0 degrees celcius to 18.0 degrees celcuis

    asked by Marco
  29. Physics

    Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

    asked by NS
  30. statistics

    Use this table to complete the tasks that follow it. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 Identify the class width. Identify the midpoint of the first class. Identify the class boundaries of the first class. Give the

    asked by sandra
  31. Biology

    Which of the following must occur for a plant or animal to grow and develop normally? a) Sufficient oxygen must be available to stimulate cell division. b) Theorganism must recive a supply of the appropriate horones from its parents. c) It must be able to

    asked by Terrye
  32. Biology

    What is probably the main factor responsible for the phenomenon of density-dependent inhibition? a) a local deficiency of nutrients b) cells' innate "sense" of knowing when the organ of which they are a part has no need for additional cells. c) a shortage

    asked by Terrye
  33. chemistry

    when heated in the presence of air, 80 grms. of copper completely react to form 100 grms. of copper oxide what is the mass of oxygen that has combined with the copper? how much copper must be heated to form 300 grms. of copper oxide?

    asked by abby
  34. psy210

    What are the characteristeics of the eight different types of love?- consummate, companionate, romantic, fatuous, infactuated,empty love.

    asked by martha
  35. de Broglie Wavelength

    The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV. What is the de Broglie wavelength of this electron? [KE= (1/2)mv^2; 1 electron volt (eV) = 1.602*10^-19 J]

    asked by Kyle
  36. science(chemistry)

    Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. 1) K and P

    asked by mona
  37. physics

    Is it impossible to lose all of the kinetic energy in a collision? Or, does a ball which bounces several times before eventually coming to rest show how kinetic energy can completely disappear?

    asked by Student
  38. calculus

    Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the

    asked by Hal
  39. Math

    The values of outstanding bonds change whenever the going rate of interest changes. In general, short-term interest rates are more volatile than long-term interest rates. Therefore, short-term bond prices are more sensitive to interest rate changes than

    asked by Casey
  40. Algebra

    A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

    asked by Janet
  41. Physics

    A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and sits 0.900m deep in the harbor, how deep will it sit in the river?

    asked by NS
  42. Pre-Calc

    Starkist tuna company will package tuna fish in 2-L cans. Find the radius and the height of the cans if the cans have a surface area which is less that 980 cm^2. I have no idea how to go about this, it seems like geometry to me. Can you give me some help?

    asked by Zach
  43. physic

    Hi!could anyone help me please, I don't get it. Thank you so much for your help. Question:(a) What is the tangential acceleration of a bug on the rim of a 9.0 in. diameter disk if the disk moves from rest to an angular speed of 79 rev/min in 4.0 s? ___m/s2

    asked by Chan
  44. Geo + eng+ history

    Hello, My question is that what kind of environments are there i mean are there also other types of environment then Natural,Human and Human natural environment. I`ve got assignment on environment and for that i have to write so can please tell me any site

    asked by Adi Ca Blish
  45. Physics

    A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?

    asked by Litany
  46. math

    Lauren has a normal deck of 52 playing cards. If she draws a random card from the deck, what is the probability that it will be a red Jack, a red Queen, or a red King?

    asked by laura
  47. Algebra

    A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

    asked by Janet
  48. Literature

    What was the theme of the short story, American History? -MC

    asked by mysterychicken
  49. child development (answer included)

    • Write a 200- to 300-word response that identifies and explains distinguishing characteristics of each of the five developmental periods how does this sound The five developmental periods The five developmental periods are the following, infancy, early

    asked by scooby
  50. math

    How do you determine if two lines are perpendicular?

    asked by dee
  51. math

    what is x+7/4=88

    asked by hope
  52. COM 150 Effective Essay Writing

    How does the writing process you read about differ from the process you have used in the past? Wheich steop in the writing process is easiest for you to complete?

    asked by Melissa
  53. COM/220

    I am currently working on my sources for my final and early next week I have to come up with an annotated bibliography. I can't even pronounce it correctly! The problem is I am writing my paper in favor of marijuana legalization for medicinal purposes and

    asked by Linda
  54. child development(am i correct)

    2-300 word response that identifies and explains distinguishing characteristics of each of the five developmental periods do they mean? Synaptic pruning occurs at different rates in different areas of the brain.Overall, though, brains actively prune

    asked by scooby
  55. English

    What are 2 common themes for the story Harrison Bergeron and The Unknown Citizen? Please Help!! Thank you!!

    asked by Happy Face
  56. Physics

    A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

    asked by Litany
  57. social studies

    In social studies we are doing gazetteer. I'm having trouble with a definition.What does fork mean.

    asked by Alyssa
  58. calculus

    calculate the lim as x-> pi (cos(x)+1)/(x-pi) using the special limit lim x->0 sinx/x

    asked by jeff
  59. math

    An Orchard made 14,757 lb of taffy apples with approximately 1 lb of taffy mixture for each 67.1 pounds of apples. To the nearest tenth of a pound. how many pounds of apples and how many pounds of taffy were used

    asked by Sarah
  60. media and cultural studies

    ‘Sports in the United States are male-dominated and exploit young athletes’ bodies, leaving most of them uneducated, injured, and impoverished.’ Discuss.

    asked by jay
  61. pre-algebra

    didn't get a clear answer, i do not understand how to find the answer to this problem:2y=2x+10

    asked by Dylan
  62. maths

    a common multiple of 3,4 and 5 less than 150

    asked by maria
  63. Economics

    CCM television station is considering selling promotional videos produced by Firm A or Firm B. Firm A will charge the station a set up fee of $1,200 plus $2 for each cassette, while firm B has no set up fee and will charge $4.00 for each cassette. The

    asked by Special
  64. English Quick ?

    Before you write a paper you do an outline. I did so. Under one of my sections I have an A B C. When I type my paper are those all separate paragraphs?

    asked by Martha
  65. Going Green

    True or false? Vegetable oil is superseding gasoline for fueling cars in Europe. True?

    asked by A.
  66. English

    Something that is tangential to getting good results: a. drinking tea b. proper planning c. paying attention d. working hard a. drinking tea?

    asked by Kelsey
  67. Music

    Hello my teacher gave us question and he said to find our from any where well Question is..... Q1. Who was and still is the famous singer ever he was when I was young and he also was till now* i have doubt in 1 Famous singer who died but not sure Whats the

    asked by x-y-zzz
  68. GEOMETRY

    If a diagnol for a rectangle ABCD was measured to be 20 and a square was put in it slanted(looking like a rhombus). This rhombus is called EFGH. Prove find the perimeter of EFGH. (IT IS EASIER TO DRAW IT THEN SOLVE IT =))

    asked by JEFF BOMB
  69. MATH

    Simplify: Sin2x/1-Cos2x

    asked by SIMPLIFY:
  70. Pre Calc

    I am familiar with this type of problem but can't seem to get the right answer. Use the given zero to find the remaining zeros of each function f(x)=x^4-9x^3+7x^2-91x-348,zero 5-2i I normally would use synthetic division with the root 5-2i bringing it down

    asked by Zach
  71. Physics

    What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/9 the speed of light?

    asked by TITA
  72. Physics

    The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different ways. As stated on the applet page, sodium has a work function of 2.75 eV. In class, we discussed how to determine what that work

    asked by TITA
  73. Algebra

    collect like terms 17a +6b-11a-9b= thanks

    asked by Diana
  74. corporate finance

    here are questions and please show how you got the answers. 6. Andrew Thompson owns 65,000 shares of Beta Enterprises. His shares have a total market value of $1,820,000. In total, Beta Enterprises has 250,000 shares outstanding. Each share is entitled to

    asked by pattikake
  75. math

    p=b+a+2c,for b b=

    asked by steve
  76. Economics

    The manager of caribbean glass company estimates that total revenue from the sale of her firm's product is given by the equation TR=300Q-Qsquared/2. The total cost equation is TC=5,000 + 60Q + Qsquared What are the profit maximizing price and output rate?

    asked by Special
  77. science

    Which of the following is NOT true about compounds? A) compounds join in specific ratios according to their masses B) the mass ratio of a specific compound is always the same C) compounds are random combinations of elements D) different mass ratio mean

    asked by Katherine
  78. Literacy development

    How can teachers assess phonemic awareness and phonics?

    asked by Anonymous
  79. accounting

    Why are internal controls and audit trails important in a computerized accounting system?

    asked by angelof8
  80. Pre Calc

    I don't see how to do this without a calculator sin ( - pi/12) csc ( (25 pi)/12)

    asked by Pre Calc
  81. Literature

    I've started on my 'Daily' catalog poem: Parents loving Siblings fighting The baby crying The cat meowing ..Not sure how to put the rest in (house, food, ect.) and if I'm writing the catalog poem correctly..please help Thanks -MC

    asked by mysterychicken
  82. Advance Biology

    What is the definition for codon recognition?

    asked by Jennifer
  83. English (Urgent)

    What is the meaning of the weeds and poisonous plants in the novel The Scarlet Letter?

    asked by Hannah
  84. pre algebra

    How do I figure out problems like 52 = p +(-41)? I tried doing the steps but I got -11, which is wrong. Can someone walk me through the steps?

    asked by john
  85. Bio

    What enzymes can't cross the Blood Brain Barrier that are vital for humans to have in order to not get a disease? For example, in Hurler's syndrome iduronidase (IDUA) enzyme doesn't cross the BBB. Can someone tell me any lack of enzyme in the BBB that

    asked by Alex
  86. Law

    Jean owns five acres of land in an area of single-family homes on mostly one-acre plots. Jean's property contains her house and three outbuildings. Among the animals housed in the outbuildings are Kennel, a dog and Louis, a tiger. Mary, a neighbor, is

    asked by Dee
  87. Biology

    Hello. I've done well with everything else, but I'm stuck on the following: 1. Herring are salt-water fish. They A - need to expel large amounts of water to offset osmosis B - need to take in large amounts of water to offset osmosis C - slowly dehydrate

    asked by Tamir
  88. math riddle

    Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

    asked by Amber
  89. OFFICE MANAGEMENT

    The need to be recognized by others with applause or an award is what kind of need? a. Security, b. esteem, c.physical d.self-actualization

    asked by JOHN
  90. MATH

    Sin2x/1-Cos2x

    asked by SIMPLIFY:
  91. MATH

    Simplify: Sin2x/1-Cos2x

    asked by SIMPLIFY:
  92. math

    On T.V. game show, the constestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability. What is the expected value of the selection if the $40,000 car, a 3$ silly

    asked by Kay Kay
  93. math

    Make up a set of 7 numbers having the following landmarks: mode: 21, median: 24, maximum: 35, range: 20

    asked by Tricia
  94. Algebra

    A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total

    asked by Janet
  95. Grammar and Composition

    Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue. There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That

    asked by y912f
  96. Applications

    In a recent year, he total sales at Restaurant A were 25,000 more than at Restauant B . Total sales at the two stores were 575,000,000 What are the sales for the two stores. Please help me solve this problem

    asked by Sam
  97. college

    In life, children in an early childhood age 2 to 6 years old sometimes must deal with life and adapt to difficult situations that change the way they feel about it. When a Pet Dies by Fred Rogers is a book that deals with death. It helps the child share

    asked by Ric
  98. Physics

    A spring has a force constant of 478 N/m and an unstretched length of 9 cm. one end is attached to a post that is free to rotate in the center of a smooth table. the other end is attached to a 4kg disc moving in uniform circular motion on the table, which

    asked by bubba
  99. algebra

    A plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To solve, use the trigonometric chart. Round the answer to the nearest tenth.

    asked by Anonymous
  100. math

    what is 14,757/67.1

    asked by hope
  101. algabra

    the width of a rectangle is fixed at 18 cm. What length will make the perimeter greater than 78 cm?

    asked by Anonymous
  102. 5th grade

    I am not sure on this question. Can you help me. Question: How can you tell if 31/33 is already in its simplest form? I wrote my answer to the following questions, can you tell if it is right? Question: Can the Greatest Common Factor of 18 and 36 be

    asked by Math
  103. science

    For the reaction 2Na(s) + Cl(g) ¨2NaCl(s), how many grams of NaCl could be produced from 103.0 g of Na and 13.0 L of Cl (at STP)?

    asked by Ethan
  104. math

    How do you determine if two lines are perpendicular?

    asked by dee
  105. human resources

    How do I do a job description for a high school librarian? Do I set it up as an outline?

    asked by Bobbie
  106. Confidentiality of Health Information

    Should individuals and organizations with access to the databases be identified to the patient?

    asked by Anonymous
  107. math

    is 66.781 divided by 7= 22.903 a reasonable answer? why or why not

    asked by saiyda
  108. math

    Find the inverse of the function. f (x)=3 square root of 3x-3-4

    asked by John
  109. Inclusive language

    Is it acceptable to write with no changes whatsoever "The hearing-impaired child needs special accommodations for the field trip?"

    asked by Whitney
  110. Misc.

    What is the penultimate day of the year? Dec. 30th?

    asked by JJ
  111. cooking

    question why are many eggs used in some recipes?

    asked by jordan
  112. GEOMETRY

    If a diagnol for a rectangle ABCD was measured to be 20 and a square was put in it slanted(looking like a rhombus). This rhombus is called EFGH. Prove find the perimeter of EFGH. (IT IS EASIER TO DRAW IT THEN SOLVE IT =))

    asked by JEFF BOMB
  113. family life

    information on teenage pregnancy

    asked by TOM
  114. human services

    • How do these laws influence the organization's decision-making and its day-to-day operations when dealing with poverty?

    asked by landi
  115. math

    So the problem is 9 = w + (-8) I know the answer is 17. But I don't know how I solve it/show work.

    asked by lily
  116. math riddle

    Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

    asked by Amber
  117. MATH

    If a car is driven 372 miles in 6.5 hours, then what is the average number of miles per hour?

    asked by lady bug
  118. Math riddle

    1. is 100 rounds to 100 and 99 rounds to 100. 2. 100 + 99 = 199 which est to be 200. 3. 100 - 99 = 1 Which est.to be 0 zero.

    asked by Anonymous
  119. MATH

    To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A? CAN YOU PLEASE SHOW IN DETAIL THANKS

    asked by lady bug
  120. English

    Can I please have some help here. Is this correct for Mla citation. I used a piece out of our book from school in my paper. It has multiple authors and I can't find anywhere city of publication, publisher or year. If this is correct is the grammar right.

    asked by Martha
  121. english

    I need help...I have searched many websites and I feel like none of the websites have answered my question... I need to find the ideas, beliefs, and attitudes towards the age of Rationalism. I just can't seem to find it anywhere.. Please help me!

    asked by sarah
  122. Precalc

    i need help with this equation anything help will be greatly appreciated find the standard equation of a parabola with a focus (-2,0) directrix x=3

    asked by Natali
  123. Heathcare

    How does accountability of managers relate to leadership , organizational structures, and the mission and vision of an organization?

    asked by pj
  124. math

    Please can someone help me with my math homework I just really don't ge it. I'm in a panic. Thank you Sarah

    asked by Sarah
  125. Economics

    Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have triev everything and looked every where, but I am having trouble with the graphs. Can you please

    asked by Karol Goney
  126. human life

    The text, Psychology and the Challenges of Life discusses several sources of stress. What sources of stress did the text identify in which you were previously unaware? Has your reading helped you identify any new sources of stress? If so, how might you

    asked by Anonymous
  127. arithmetic

    A man spend 75% of his income. when his income is increse by 20%. He increse his expenditure 10% . By what percent are his saving increse ?

    asked by Raj c
  128. mental

    Post a 200- to 300-word response to the following: Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain.

    asked by tiffany
  129. History

    Did Andrew Jackson live up the "Common man" in Worcester vs. Georgia or did he fail?

    asked by Ryan
  130. math

    solve: sec x - 4 = 0 (radians)

    asked by Anonymous
  131. Algebra

    Find domain and range of each. {(-1,2) (0,2) (1,3) (2,2)} Domain: {-1,0,1,2} Range: {2,3} {(1,5) (2,9) (3,9)} Domain: {1,2,3} Range: {5,9} {(1,2) (1,5) (3,7)} Domain: {1,3} Range: {2,5,7} Are these all right?

    asked by Allison
  132. math

    interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no correlation

    asked by princess
  133. Math

    The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?

    asked by Anonymous
  134. math

    what is 1/5 times 185

    asked by hope
  135. aed201

    In hindsight, were there some things you could have done differently in terms of this science activity

    asked by Anonymous
  136. physics

    the velocity

    asked by tamiatha
  137. algebra

    how do you find the slope-intercept of a line?

    asked by Dylan
  138. math

    On T.V. game show, the constestant is aksed to select a dorr and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability. What is the expected value of the selection if the three dorrs have behind thema

    asked by Kay Kay
  139. math

    The game called dots is played by rolling a fair die and receiving 1$ for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game? Not a clue on this one.

    asked by Kay Kay
  140. science

    i did a lab experiement and I do not know what was the control group. I tested the rates of cellular respiration for: Germinated, room temperature peas Non-germinated, room temperature peas Germinated, cool temperature peas Which one is the control group

    asked by sarah
  141. math

    b=1/2jw j= solving variables

    asked by steve
  142. Gr 11 chem

    hydrofluoric acid to be neutRalized

    asked by chental
  143. Gr11 chem

    calculate mass of potassium Hydroxide

    asked by chental
  144. Literature

    'List images of things in your daily life that are miracles or make you happy to be alive, like you did with your catalog poem. Then get two other people to share their daily joys. You will collect this for a later activity.' This is what I said: -My

    asked by mysterychicken
  145. Science

    Does anyone know of a website that has all of the 20 amino acids not just the name but the actual thing like c-oh thing? thanks so much!!!

    asked by Brit
  146. cooking

    what does more liquid do for a recipe ?

    asked by jordan
  147. math

    what is the average or mean slope of the function f(x)=(10(x^1/2)+4 on the interval [2,6]

    asked by Anonymous
  148. chemistry

    in the lab of reaction with copper copper is suppose to loose mass because it oxidates. its that right or does it gain mass thanks

    asked by abby
  149. math

    antiderivative of e^((-x^2)/2)??

    asked by Mike
  150. social studies

    how do I do a timeline chart describing or listing events that represent each year of my life?

    asked by Brandon
  151. science

    describe the energy changes that takes place when a baseball bat is swung

    asked by Anonymous
  152. Math

    3ã2+(ã2)^3 i don't know how to add them ??

    asked by Mota
  153. critcal thinking

    A _________is a set of claims intended to support or prove a conclusion.

    asked by marie
  154. onomics

    Explain why housing prices vary from city to city. Clearly explain how supply and demand affect the prices of the homes and be sure to show your work. I have tried everything and looked every where but I am having trouble with the graphs. Can you please

    asked by Karol Goney
  155. history

    i need to make a poster or a leaflet about different attitudes to war. i was thinking about making poster but i`m not sure what to put on it.id be greful for any help. thankyou

    asked by Ella bleu
  156. calculus

    find the derivative (1+x)(2+x)....(10+x)

    asked by seth
  157. Math - Algebra

    If I have a garden that is square with sides of length x feet and next spring I plan to make it rectangular by lengthening one side 3 feet and shortening the other side by 3 feet. Find a polynomial A(x) that represents the new area. By how much will the

    asked by Albert
  158. French

    does anyone know of any pictures of musée du québec in quebec thanks

    asked by Brit
  159. Math help with Algebra

    Divide (x^4-y^4) by (x-y). Need to show work to help me understand. Also need to answer without parentheses. Thanks for any and all help with this one!!

    asked by TJ
  160. Office Management

    According to the Managerial Grid, which of the following scores is the best? a.5,5, b.8,4, c.9,1, d.9,7

    asked by Janette
  161. Psychology

    Which of the four positions of the nature of traits do you agree with most and why? Compare and contrast against one of the other four

    asked by Debbie
  162. Physics

    In ten to fifteen pages, write the applications and effects of solid expansion

    asked by Chi1king
  163. science

    HOw has the artificial limb improved in efficiency over time since it started being used?

    asked by andrew
  164. Math

    What are the odds in favor of getting at least one head in three successive flips of a coin? Can someone help me figure out how to solve this, please?

    asked by Anonymous
  165. math

    Suppose the standard deviation is 13.1. What is the variance?

    asked by sandra
  166. MATH

    Determine if the given regular figures form semiregular tessellations. Square, two octagons

    asked by Katelynn