Questions Asked on
March 28, 2015

  1. Language art

    In the multi-draft reading process, what does a reader look for in the second reading of a drama A. The theme of the drama B. How each scene moves a story forward C. When and where the action takes place D. The internal and external conflict

    asked by Anonymous
  2. physics

    An unstretched ideal spring hangs vertically from a fixed support. A 0.4 kg object is then attached to the lower end of the spring. The object is pulled down to a distance of 35cm below the unstretched position and released from rest at t=0s. A graph of

    asked by Helly
  3. math

    110 members of a sports club play at least one of the games, football, basketball and volleyball. If 20 play football and basketball only,15 play football and basketball only, 26 play basketball and volleyball only,x play all the three games, 2x each play

    asked by Ayodeji
  4. Earth Space Science

    the horizontal distance between a crest to the next trough of an ocean wave is 5 meters. what is the wavelength of the ocean wave? A)2 meters B)5 meters C)10 meters D)20 meters I think its 10 meters but im not so sure, I would like to make sure.

    asked by Sierra
  5. History :)

    New England was a good starting place for American textile manufacturing for what reason? A)There were no ports within easy access. B)It was the birthplace of Frances Cabot Lowell. C)Rocky soil made the area inadequate for farming. *** D)Most manufacturing

    asked by anonymous
  6. Math

    A surfer drives his dune buggy out into the sand dunes.He follows his compass 10 miles due north and then turns due west. If he ends up approximately 35 miles from where he started how far west did he travel? a- 10 miles b- 25 miles c- 33.5 miles d- 35

    asked by Steve
  7. physics

    A flat (unbanked) curve on a highway has a radius of 220m. A car rounds the curve at a speed of 25m/s. What is the minimum coefficient of friction that will prevent sliding?

    asked by Shelby
  8. ss

    which of the following inventions increased the availability of electricity in homes? a. telephone b. transformer c. reinforced steel d. linotype machine i think a kinda in a rush but i'll be patient. thank you in advance

    asked by basketball&batman
  9. Physics

    A particle starts from the origin at t = 0 with an initial velocity of 4.8m/s along the positive x axis.If the acceleration is (-2.5 i^ + 4.3 j^)m/s2, determine (a)the velocity and (b)position of the particle at the moment it reaches its maximum x

    asked by Jackson
  10. chemistry

    What is the total change in entropy when 10.0 g of ice melts at 25.0°C? DHfus = 6.01 kJ/mol The answer is 1.03 J/K but idk how to find it.

    asked by paula
  11. Trigonometry

    Solve each equation for theta, giving a general formula for all of the solutions: a. tan(theta)=-1 b. sin(theta/2)=1/2

    asked by Alex
  12. chemistry

    What is the total concentration of cations in a solution made by combining 700.0 mL of 3.0 M (NH4)3PO4 with 300.0 mL of 2.0 M Na2SO4? numbers next to compounds are subscripts

    asked by cesar
  13. Accounting

    Stuck on a few questions from my Accounting class. If anyone can help; I would be really grateful! 32. Of the following accounts, which might appear in the adjusted trial balance, but not in the post-closing trial balance? A. income summary B. owner's

    asked by Josh
  14. Statistics

    The percentage of various colors are different for the "peanut" variety of M&M's candies, as reported on the Mars, Incorporated website. Brown: 12% Yellow: 15% Red: 12% Blue: 23% Orange: 23% Green: 15% A 14-ounce bag of peanut M&M's is randomly selected

    asked by Elaine
  15. COLLEGE CHEMISTRY HARD

    calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5 idek how to do it?

    asked by jk
  16. chemistry

    What mass of ammonium chloride must be added to a 0.500 L solution of 0.250 M ammonia to make a buffer with a pH of 9.26? Kb (NH3) = 1.8 × 10–5?

    asked by paula
  17. chemistry

    calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5 idek how to do it?

    asked by JK
  18. health part2

    The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the

    asked by april
  19. Math

    A gardener is mowing a 20 by 40 yard rectangular pasture using a rectangular pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified ,form. a- 10 sq

    asked by Steve
  20. Chemistry

    A 1.0-g sample of MgCl2 produced a 10.00C increase in a calorimeter charged with 40.0mL of deionized water. The specific heat is of MgCl2 is 0.750J/C*g. What is the value of delta(s)H for MgCl2? I know that the formula needed is

    asked by M
  21. physics

    A golfer imparts a speed of 25.8 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

    asked by Kristyn
  22. physics

    The gravitational force that the sun exerts on the moon is perpendicular to the force that the earth exerts on the moon. The masses are: mass of sun=1.99 × 1030 kg, mass of earth=5.98 × 1024 kg, mass of moon=7.35 × 1022 kg. The distances shown in the

    asked by Kristyn
  23. Math questions

    1. Shawn Fitzgerald finds a suitable property and agrees upon a selling price of $137,900. The mortgage company requires a 20% down payment and Shawn chooses to finance the property for 30 years at 8%. What is the total amount of interest charged, rounded

    asked by Nadia
  24. chemistry

    calculate the ph at the equivalence point for the titration of .1 M NH3 and .1 M HCl. kb NH3= 1.8E-5 how you do it?

    asked by JK
  25. Chemistry

    Use half reaction to balance: CuS + NO3^- = Cu(NO3)2 + NO2 + SO2 S^2- = SO2 S Oxidized Cu^2+ + NO3^- = NO2 + Cu(NO3)2 N Red After balancing the atoms & balancing the charges, I cannot get all the correct coefficients

    asked by Robert
  26. Medical physics

    1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

    asked by JAMES
  27. Medical physics

    1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

    asked by JAMES
  28. math

    A different eight grader has been asked to work at the face painting booth every half hour. Use division to find how many eighth-graders are needed to work at the face painting booth during the fair. Show your work. I don't understand the division part,

    asked by Aswan
  29. Ethics in Technology

    Which of the following laws does NOT provide some sort of authorization for governmental wiretapping? A. Title III of the Omnibus Crime Control and Safe Streets Act B. Electronic Communications Privacy Act C. Federal Communications Act D. Communications

    asked by Pat
  30. math check

    determine whether the given vector A in M22 belongs to the span (a1,a2,a3) where a1=[1 -1; 0 3] a2=[1 1; 0 2] a3=[2 2; -1 1] and A=[5 1; -1 9] so I set up an augmented matrix , but im not sure if I set it up correctly. I made a1 a2 and a3 into columns. 1 1

    asked by sara
  31. Science NOT A QUIZ

    1. __________ is/are NOT an angiosperm because it does not _______. (1 point) Barley; produce fruit Wheat; produce seeds* Lentils; produce cones Ginkgoes; flower 3. The leaves of plants ____, while the roots of plants _____. (1 point) make food; store

    asked by YOLO
  32. electromagnetism

    An elctron starts at the position shown in Figure with an initial speed v=5000000m/s at 45^°to the X-axis the electric field is in the positive you direction and has a magnitude of 3500N/C on which plate and at what location will the electron strike?

    asked by abdulhayi musa
  33. HARD COLLEGE CHEMISTRY

    a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?

    asked by jk
  34. physics

    Calculate the net charge on a substance consisting of a combination of 6.7 ✕ 10^13 protons and 3.0 ✕ 10^13 electrons.

    asked by Makenzie
  35. physics

    A golfer imparts a speed of 25.8 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

    asked by Kristyn
  36. Trigonometry

    Solve each equation, giving a general formula for all of the solutions: a. 2sin^2(x)-5 sin(x)-3=0 b. (cos(x)-((sqrt2)/2))(sec(x)-1)=0

    asked by Alex
  37. Ethics in Technology

    Which of the following laws was upheld as constitutional by the U.S. Supreme Court? A. Communications Decency Act B. Child Online Protection Act C. Child Internet Protection Act D. All of these laws were upheld as constitutional by the U.S. Supreme Court.

    asked by Pat
  38. health part2

    The sole activity of the respiratory system is breathing. True False The exchange of gases between the blood and tissue cells is external respiration. True False Air flows in the process of pulmonary ventilation because of pressure differences between the

    asked by april
  39. chemistry

    dissolving 4.022 g of a salt in 100 mL of water changes temperature by -1.2^oC: what is the heat absorbed? The specific heat of water is 4.184 J/(g*C)

    asked by Bob
  40. physics

    A 46.2-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.566 and 0.440, respectively. What horizontal pushing force is required to (a) just start the crate moving and (b) slide the crate across the

    asked by Kristyn
  41. physics

    The steel I-beam in the drawing has a weight of 1.75 × 103 N and is being lifted at a constant velocity. The angles are at 70 degrees. What is the tension in each cable attached to its ends?

    asked by Kristyn
  42. Science Check Please

    Which of these is true? The nervous system doesn't react as quickly as the endocrine system. The endocrine system doesn't react as quickly as the nervous system. (My Answer) The nervous system and the endocrine system have similar reaction times. The

    asked by YOLO
  43. physics

    A golfer imparts a speed of 25.8 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

    asked by Kristyn
  44. Science Check Thank You

    1. __________ is/are NOT an angiosperm because it does not _______. (1 point) Barley; produce fruit Wheat; produce seeds* Lentils; produce cones Ginkgoes; flower 3. The leaves of plants ____, while the roots of plants _____. (1 point) make food; store

    asked by YOLO
  45. English 3

    A fictional event ... Am I supposed to write about a real story that has happened in MY life ? Or make up a story ? Write a short story that tells about a fictional event in which a central conflict is - or is not.

    asked by Ciaria
  46. rela 10H

    requirenment for essay: Attention-grabber: Relevant quotation Create imagery to evoke imagination Fragment & general discussion Hypothetical question Who/what/when/where/why/how the mystery began (why is it mysterious?) Ask the question from the list of

    asked by anonymous
  47. Chemistry

    If 84.1 g of sodium hydroxide are reacted with 51.0 g of aluminum in the following equation: 2NaOH + 2Al + 2H2O --> 2NaAlO2 + 3H2 a) what mass of excess reactant remains? b) what mass of water would react?

    asked by Charles
  48. college chemistry HARD

    a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?

    asked by jk
  49. physics

    A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 4.6 m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The horizontal distance between the two buildings is D, and the roof of the

    asked by Kristyn
  50. physics

    The gravitational force that the sun exerts on the moon is perpendicular to the force that the earth exerts on the moon. The masses are: mass of sun=1.99 × 1030 kg, mass of earth=5.98 × 1024 kg, mass of moon=7.35 × 1022 kg. The distances shown in the

    asked by Kristyn
  51. math

    a statistics professor plans class so carefully that the lengths of his classes are uniformly distributed between 45.0 and 55.0 minutes. find the probability that a given class period runs greater than 50.75 minutes? find the probability of selecting a

    asked by lolo
  52. physics

    mercury rotates about its own axis once every 58.6 Earth days. a satellite orbits mercury once every murcurian day. how high is this satellite above mercury's surface? mass of mercury = 3.2x10^23 kg. the radius of mercury is 2400km.

    asked by khalifah
  53. Trigonometry

    Solve each equation on the interval [0, 2pi): a. 4sin^2(x)-3=0 b. cos(3x)=-1

    asked by O
  54. SUPER HARD CHEMISTRY

    a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point

    asked by jk
  55. Geometry

    we have line QR parallel= to line ST, PQ = 8, QS = , and PT = 12. Find PR.

    asked by Ron
  56. physics

    A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.420 . Suddenly, the plane accelerates forward, its altitude remaining constant. What

    asked by Kristyn
  57. statistic

    A statistics quiz consists of 10 multiple questions. There are four choices for each question. One student is unprepared and decides to guess the answers to every question. Assuming 70% is a passing grade, find the probability that the student will pass

    asked by Anonymous
  58. Trigonometry

    Evaluate the expressions a. arctan(-(sqrt3)) b. Arctan(-(sqrt3)) and tell the difference between the two...

    asked by O
  59. electromagnetism

    An elctron starts at the position shown in Figure with an initial speed v=5000000m/s at 45^°to the X-axis the electric field is in the positive you direction and has a magnitude of 3500N/C on which plate and at what location will the electron strike?

    asked by abdulhayi musa
  60. Math

    1. At midnight, you are 60 feet due north of Jonas. You run due east at ten feet per second. Jonas walks two feet per second due north. How many seconds after midnight is Jonas closest to you? What is the corresponding minimum distance separating you and

    asked by Jane
  61. Grade 11 Chemistry

    calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride

    asked by Sim
  62. chemistry

    a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?

    asked by JK
  63. chemistry

    What is the formula for the following problem What is the kinetic energy, in joules of a mole of oxygen moving at a speed of 225m s ⁻1? Should I use KE= 1/2mv2 Thanks

    asked by Stacie
  64. math

    Mona has $27.05 in quarters and dimes. There are 152 coins. How many quarters are there?

    asked by deeke
  65. math

    50 feet of fencing is used to create a rectangular fenced-in region. if the length of the region is x, express the width, w, as a function of x

    asked by Anonymous
  66. science

    I posted this under science because I see it occurring most under this subject. Many of the tutors here are very rude and useless at times. Honestly, if kids are on the internet seeking help for questions on their homework or whatever, they aren't going to

    asked by You don't need to know
  67. electromagnetism

    A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of -0.8micro colomb. Haw many electrons are transferred from the wool shirt to the plastic rod?

    asked by abdulhayi musa
  68. Project management

    Build a PowerPoint ® presentation that will address each of the Project Management Areas of Knowledge, the process groups that use these areas of knowledge, and how the process groups interact with the knowledge area processes. Use table 3-1, Project

    asked by JennJenn01
  69. Math

    The first term of geometric is 124.the sum of infinity is 64.find the common ratio

    asked by Ludere tshifularo
  70. science

    If a car has a constant acceleration of 4 m/s², starting from rest, how far has it travelled by the time it reaches the speed of 40 m/s?

    asked by Barry
  71. Grade 11 Chemistry

    Calculate the concentration of I- in an aqueous solution prepared in a 250 ml volumetric flask from 50.0 ml of a 0.840 mol/L aluminum iodide solution and 160.0 ml of a 0.500 mol/L tin(IV) iodide solution.

    asked by Sim
  72. Science Please Help Me 2

    2. Ferns are the most abundant of the _____ plants; and they produce _______ to reproduce. gymnosperm; sperm seedless vascular; spores* nonvascular; shoots vascular; seeds 3. Which of the following is a reason mosses never grow very tall? lack of cell

    asked by YOLO
  73. Science

    which of these statements provides evidence to the fact that oceans influence climate by transporting water from one place to another? A)warm ocean water off the east coast of Florida affects the climate of Europe. B)warm ocean water off the east coast of

    asked by Sierra
  74. cda

    The help of a computer program can help reduce the time that you as a director spend on payroll by as much as A. 75% B. 10% C. 50% D. 25% I am lost

    asked by Kaleisha
  75. St. Michael

    25ml of NaCl was mixed with 10ml of AgNO3. A precipitate was made. What is the theoretical yield? What is the limiting and excess reagent?

    asked by Layla
  76. Math

    Find the exact value of the sine, cosine, and tangent of the angle 330 degrees. I know the tangent is -(square root 3)/3, but how?

    asked by Anonymous
  77. Chemistry

    A 1.500 mol sample of PCL5 dissociates at 160C and 1.00 atm to give 0.203 mol of PCL3 at equilibrium. What is the composition of the final reaction mixture?

    asked by Darlice
  78. mathematical physics

    For any two vectors u and v show that : ( Vector u.vector v )^2 = [(vector u× vector v)×vector v ].vector u = u^2v^2

    asked by gourav
  79. mathematical physics

    Show that : vector del(r^2) = 2vector r

    asked by gourav
  80. mathematical physics

    Solve the initial value problem. d^2x/dt^2+2dx/dt-3x =0, x(2π) = 1, x(2π) = 13

    asked by gourav
  81. mathematical physics

    A series circuit consists of a resister with R = 200 ohm, an inductor with L = 1H, a capacitor with C = 0.002F, and a 12V battery. If the initial charge and current are both 0, find the charge and current at time t.

    asked by gourav
  82. mathematical physics

    Show that :(I) u = e^xsiny is a solution of Laplace's equation. (ii) u = x^2+t^2 is a solution of the wave equation.

    asked by gourav
  83. math

    for f(x)=x^2+3 and g(x)=ãx find (f/g) (x) the domain (f/g)

    asked by Anonymous
  84. mathematical physics

    Separate the following partial differential equation into a set of three ODEs by the method of separation of variables: d^2u/dt^2 =c^2,[d^2u/dr^2+1/r du/dr+1/r^2 d^2u/d theeta^2]

    asked by gourav
  85. mathematical physics

    Obtain the temperature distribution u(x,t) in a literally insulated rod of length L if both ends on the road are kept at 0°c and the initial temperature distribution in the bar is: u( x, 0 ) = 6sin[πx/L]

    asked by gourav
  86. Math

    Simplify 6/sq root 3 +2 My answer is 12 - 6 sq root 3

    asked by Steve
  87. Math

    A playground is shaped like a rectangle with a width 5 times it's length (t). What is the simplified expression for the distance between opposite corners of the playground? a- tsq root 26 b- 5t c- 26t squared d- 6t my answer is d 5t 5t+t =x x=6t

    asked by Steve
  88. Maths

    What is the simple interest for the loan $500 with a 6% interest rate for 10years?

    asked by Harish
  89. History

    1) Why did the five powers directing the “Concert of Europe” from 1815-1823 believe they had a common interest in suppressing revolutionary activity across Europe? (Choose one) a. While differing in their constitutional make-up, all five agreed that

    asked by Sarah
  90. physics dicussion question

    is there any physics teachers available to help right now?

    asked by abs
  91. cda

    . Helping a child adjust to a child care facility is known as A. in loco parentis. B. orientation. C. parenting. D. involvement. My answer is D

    asked by liliana
  92. French Grammar

    Can someone please check these 4 sentences? a. La bibliothèque à New York est plus grande que la bibliothèque à Paris. b. Les résidences des New York sont plus moderns que les résidences de Paris. c. Le campus de New York est moins intéressant que

    asked by Wendy
  93. Body Systems II

    Arteries carry blood ________ the heart.

    asked by april
  94. geometry

    In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?

    asked by mike
  95. MATH

    I am confused about the following problem. Could someone help me out? In a statistic class, the average score of midterm is 75 and the SD is 8. The average score of final is 65 and the SD is 12. The scatter diagram of the two variables (midterm/final

    asked by YAMI
  96. Math

    In triangle ABC, points X and Z are on line AB and Y is on line AC such that line XY is parallel to line BC and line ZY is parallel to line XC. If AZ = 8 and ZX = 4, then what is XB?

    asked by Harry
  97. math fractions

    which of the following pairs of numbers contains like fraction

    asked by diane
  98. statistics

    If I selected one player at random what would be the probability of an NBA player in the Eastern conference being less than 6 feet tall? First calculate the z-score and then use the standard normal table to find the probability.

    asked by Anonymous
  99. phoenix

    Select the approximate values of x that are solutions to f(x) = 0, where f(x) =- 8x2+5x+3. I don't know if i did it correctly but my answer is (1.00,-0.38

    asked by denise
  100. Education/College level

    Considering the pros and cons concerning electronic gaming make a case for or against the use of these educational games in the leaning environments. if I get ideas from others I must use a citation. Can you help me write teacher. I work in the prek

    asked by Cathy
  101. Math

    Use Newton’s Method to approximate 3^(√7) to four decimal places. Use x1 = 2 as your seed. Round off intermediate iterates to five decimal place

    asked by Jane
  102. cda

    More communities are addressing the need for out-of-school care because of A. teen pregnancy and inadequate care of their infants. B. working mothers and juvenile delinquency. C. unsupervised children and juvenile crime. D. inadequate supervision of teens

    asked by Kaleisha
  103. Math--MS SUE!

    I need help with these questions: A survey of 115 children found that 39 liked The Little Mermaid 43 liked 101 Dalmatians 56 liked Mickey Mouse 7 liked The Little Mermaid and 101 Dalmatians 10 liked The Little Mermaid and Mickey Mouse 16 liked 101

    asked by Nadia