Questions Asked on
May 8, 2015

  1. Simmons

    A 2.0 kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper end of the box is attached to a spring with a force constant of 17 N/m, as shown in the figure. If the coefficient of static friction between the box and the

    asked by Lisa
  2. math

    A marksman is shooting at a target hits it 12 1/2% of the time. How many times must he shoot to register 100 hits.??

    asked by sia
  3. Physics

    How many kg of ice needs to be added to 1.31 kg of water at 64.9°C to cool the water to 14.9°C when the Latent heat of ice = 80 kcal/kg?

    asked by Steve
  4. strategic math

    A roof is supported by 7 rafters, each 6 1/2 feet long at 70 cents a running foot. How much did these rafters cost?

    asked by Sia
  5. Calculus

    Let g be a function that is defined for all x, x ≠ 2, such that g(3) = 4 and the derivative of g is g′(x)=(x^2–16)/(x−2), with x ≠ 2. a.Find all values of x where the graph of g has a critical value. b.For each critical value, state whether the

    asked by Gary
  6. Physics

    A heat engine is 20% efficient. If it loses 800 J to the cooling system and exhaust during each cycle, the work done by the engine is: 200 J 1000 J 800 J 20 J

    asked by Steve
  7. Math

    1.What is the unit rate for Fred's Sub shop?(Will post photo/link in the comments) A. $10 for 2 subs B. $5 for 2 sub C. $1 for 1/5 of a sub D. $30 for 6 subs 2. What is the slope-intercept equation for the cost of a sub at Fred's sub shop? A. y = 2x B. y =

    asked by Savaline
  8. MATH

    Your original purchase price was $825.00 plus 7% sales tax. You enter into an agreement where the interest (12.5% APR) is waived for the first 12 months provided you make the required monthly payments; otherwise the interest is accrued from the date of

    asked by Sandra
  9. Ms. Sue PLZ HELP!!!(Civics)

    Which of the following is true about new foreign treaties? A.They prevent the formation of alliances with other countries. B.They do not have an effect on the domestic policies of a country. C.People could be worried whether they will affect their jobs and

    asked by Anonymous
  10. data

    Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number. In addition, the

    asked by adam
  11. English

    Which of these is an example of a word divided correctly at the end of a line? A. A-merica B. squee-zed C.unbelievab-ly D. un-believably****** I am not positive here but D looks right...?

    asked by Cassie
  12. English

    Read these lines from Siegfried Sassoon's "Dreamers." "And mocked by hopeless longing to regain/Bank holidays, and picture shows, and spats,/And going to the office in the train." which of these can be found in this excerpt? Which of these can be found in

    asked by Cassie
  13. analytical chemistry

    Any help is greatly appreciated 5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask: 0mL, 0.5mL, 1mL, 1.5mL,

    asked by Katy
  14. Economic Math

    Suppose the supply and demand for milk is described by the following equations: Qd=600-100P, Qs = -150+150P, where P is price in dollars . Qd is quantity demanded in millions of gallons per year. A. Create supply and demand tables corresponding to these

    asked by Abraham
  15. English

    Read this sentence from Virginia Woolf's A Room of One's Own. "They had no money evidently; according to Professor Trevelyan they were married whether they liked it or not before they were out of the nurssery, at fifteen or sixteen very likely." Her

    asked by Cassie
  16. Math

    A Canadian television station shows 16 minutes of commercials every hour between 8 am and 11 pm everyday. How many minutes of commercials are there on the station between 8 am and 11 pm in 365 days?

    asked by Layla
  17. math 2 questions

    Three indviduals form a partnership and agree to divide the profits equally. X invests $6,500, Y invests $2,000, and Z invests $1,500. If the profits are $3,000, how much less does X receive then if the profits were divided in proportion to the amount

    asked by sia
  18. Chemistry

    The following unbalanced equation describes the reaction that can occur when (II) sulfide reacts with oxygen gas to produce lead (Il) oxide and sulfur dioxide gas: PbS+O2---> PbO + SO2 Balance the equation and describe in words the electron transfers that

    asked by Gloria
  19. Please help

    1. Napoleon Bonaparte claimed to have put into practice the ideals of the French Revolution and the Enlightenment. Do you think he did? Did his actions and the legacy of his reign represent those ideals? Explain in a short essay whether or not

    asked by Anonymous
  20. general math

    if 3 1/2 bags of seed cost $35, what will 4 1/2 bags cost?

    asked by Sara
  21. English

    Which sentence from George Orwell's "Shooting an Elephant" is the best example of Orwell's intentional use of irony? A. "I had almost made up my mind that the whole story was a pack of lies, when he heard yells a little distance away." B. "If he charged, I

    asked by Cassie

    Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3NO2(g) + H2O(§¤) −> 2HNO3(§¤) + NO(g) If 794 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same

    asked by Morgan
  23. Microeconomics

    If the price elasticity of demand is 2, this means that a _____________ increase in price causes a ____________ decrease in quantity demanded. A. 15%; 100% B. 15%; 10% C. 20%; 40% D. 30%; 20%

    asked by Anthony
  24. Criminal Justice

    The case of Buck v. Bell endorsed: A. harsher prison sentences for XYY males. B. the use of the PMS defense by women. C. the development of a comprehensive biologically based crime prevention program. D. social policies developed during the eugenics

    asked by Amy
  25. psychology

    Design a series of test items that would indicate the different intelligences according to Howard Gardner’s theory of multiple intelligences. Provide one (1) original example of how you would test each of the eight (8) different intelligences. I need

    asked by siulaniperez
  26. P.E.

    Nausea, vomiting, or headache after taking a drug may be due to Dependency addiction side effects*** tolerance Thanks a whole bunch :)

    asked by Anonymous
  27. Math

    The sea ice around the south pole fluctuates between 18 million square kilometers in September to 3 million square kilometers in March. During how many months are there more than 15 million square kilometers of sea ice?

    asked by Michael
  28. maths

    find the smallest natural number which when added to the difference of square of 17 and 13 gives a perfect square.

    asked by shehzad
  29. Statistics

    The length of time for one individual to be served at a cafeteria is a random variable having an exponential distribution with a mean of 4 minutes. What I the probability that a person is served in less than 3 minutes on at least 4 of the next 6 days?

    asked by Jeannette
  30. English - Reed

    One more Reed - Read these lines from William Butler Yeat's "The Second Coming." "Turning and turning in the widening gyre/The falcon cannot hear the falconer;/ Things fall apart; the center cannot hold;/Mere anarchy is loosed upon the world..." Which of

    asked by Cassie
  31. trigonometry

    An aircraft at C is spotted by two observers at A and B who are L=1650 feet apart. As the airplane passes over the line joining them, each observer takes a sighting of the angle of elevation to the plane, as indicated in the figure. If a=35 degrees and

    asked by naisha
  32. Physics

    The speed of light is about 3.00 x 10 to the power of 5 km/s. It takes approx. 1.28 seconds for light reflected from the moon to reach Earth. What is the average distance from Earth to the moon? Thank you

    asked by Steph
  33. Analytical Chemistry

    5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask: 0mL, 0.5mL, 1mL, 1.5mL, 2mL, and 2.5L. The excitation

    asked by Katy
  34. Physical Science

    A girl pushes on a box of Christmas Ornaments with a mass of 12 kg and it moves an acceleration of 2m/s^2. With what force does the girl push on the box?

    asked by Jim
  35. Calculus

    Find the area of the region bounded by f(x)=5xsqrt(121−x2) and the x-axis. The area is = to

    asked by Lis
  36. Ms. Sue PLZ HELP!!!(Civics)

    Which of the following is true about foreign and domestic affairs? A. They are completely separate types of policy issues that do not affect one another. B. Leaders must consider how one type of policy may affect the other since they relate. C. The

    asked by Anonymous
  37. Physics

    If ∆Q is the heat supplied to a gas so that the internal energy of the system increases by ∆U, then the work done ∆W by the gas is equal to: ∆Q – ∆U ∆Q + ∆U ∆Q x ∆U ∆U/∆Q

    asked by Gary
  38. Psychology

    Compare and contrast the temperament and biological approach and the personality approach with respect to development, causes of behavior, and influences on criminal behavior. Which approach has more of an influence on developing criminal characteristics?

    asked by Anonymous
  39. Pre-Algebra Please do Help !!!

    Which function rule represents the data in the table? x= -3,-2,-1,0,1 y= 1,-2,-5,-8,-11 a. y= -3x-8 b. y= 1/3x-8 c. y= 1/3+8 d. y= 3x +8 i don't know if it is b or c

    asked by Beth
  40. math

    when the price of chain increased from 16.4 cents to 20.5 cents . What was the percent increase in the cost of chain.?

    asked by Sia/sarah sisters
  41. Language Arts

    Why did Miss Suzuki visit Mieko's house

    asked by Alexis
  42. maths

    the sides of a rectangle are 22cm and 120cm find the lenght of its diogonal

    asked by shehzad
  43. Math

    Emma's rectangular garden is enclosed with 24 m of fencing. What is the least possible area of Emma's garden? What is the greatest possible area? I don't understand what to do? How do we find the least and greatest possible area? Lauren Grade 6

    asked by Lauren
  44. history

    What was a boomtown? A. Towns that grew up quickly near mining sites B. Towns being demolished*** C. Loud cities D. Towns with nothing but a railway station

    asked by Abby

    What is the volume of 0.100 g of C2H2F4 vapor at 1.09 atm and 43.9◦C? Answer in units of L

    asked by Morgan
  46. math help please

    Which hill described in the table is the steepest and why? Street. Horizontal distance vertical (ft). Rise of Street (ft) Dixie hill. 100. 60 Bell hill. 100. 50 Liberty hill 100. 20 A. Dixie hill; it rises 5 feet for every 3 feet of horizontal travel. B.

    asked by AG Girl
  47. Physics

    How far can a person run in 15minutes if he or she runs at an average of 16km/hr? Thank you

    asked by Steph
  48. chemistry

    sketch a graph to show the melting curve for water as it goes from -25.0C to 110.0C. Use temperature on y-axis and time on your x-axis

    asked by Anonymous
  49. Physics

    You know there are 1,609 metres in a mile. The number of feet in a mile is 5,280. Use these equalities to answer !@#$%^& many centimetres equals once inch. Thank you.

    asked by Steph
  50. Matrix

    Urban population between n and m is the number of members of the club each club the number of members of both clubs even prove m

    asked by ali
  51. calculus

    Integral of 1/[x^2(1+x^2)]

    asked by ben
  52. writeacher

    "You dozed, and watched the night revealing/The thousand "sordid" images..." Choose the word that defines sordid... A. disgusting**** B. forgotten C. pleasant D. unwilling A is correct right? Even though it did not come up under sordid - disgusting did

    asked by Cassie
  53. math

    the price for pears is y=2.75x which line would have the steepest slope if organic apples and pears were added to the graph

    asked by ciara
  54. Chemistry Help, Please!!!

    The Kw of water varies with temperature. Calculate the pH of water at 46℃ with a Kw=1.219 x 10 to the negative 14th.

    asked by Gloria
  55. Chemistry

    What is the pH, pOH, [H+] and [OH-] for a solution that contains 5.25 x 10^-3 moles of HCl dissolved in 3.25 L of water? I was gone the day my teacher explained this and I'm completely lost on what to do. An outline of steps needed to solve the problem

    asked by Joey
  56. English

    Which sentence is puncuated correctly? A.) Dogs cats and hamsters are animals, that you are unlikely to find in a zoo. B.) Dogs, cats, and hamsters are animals that you are unlikely to find in a zoo. C.) Dogs, cats and hamsters, are animals that you are

    asked by Cassie
  57. chemistry

    How much of a 6.0M sucrose solution should you use to make 77.0mL of a 0.055M solution?

    asked by joe
  58. English

    Which sentence is punctuated correctly? A.) On January 1, 2019 most of the charity's activities will cease. B.) Most of the charity's activities will cease in January 2019. C.) The president live at 1600 Pennsylvania Avenue, NW, Washington, DC, 20500. D.)

    asked by Cassie
  59. English

    Which sentence is punctuated incorrectly? A.) When you get there, you will see him, of course. B.) Hey, Chris, do you want to watch the game on TV tonight? C.) Needless to say, nobody thought that her joke was particularly funny. D.) The story was, far too

    asked by Cassie
  60. chemistry

    The rate constant for the following equation is 0.00454 M−1 · s −1 . We start with 0.134 mol C2F4 in a 4 liter container, with no C4F8 initially present. 2 C2F4 → C4F8 What will be the concentration of C2F4 after 2 hours? Answer in units of M.

    asked by Anonymous
  61. L.o

    List and discuss any four factors that could threaten or limit the core functions of the media?

    asked by Samkelo
  62. Social Studies

    Which country fought in the war, but did not sign the Treaty of Versailles? 1: France 2: Untied States 3: Britain 4: Germany My answer is Untied this correct?

    asked by Marylyn
  63. English

    1. Mary is Thomas' maid. 2. Mary is thomas's maid. ============ Which one is right?

    asked by rfvv
  64. English

    Which sentence is punctuated correctly? A.) The ladie's room is on the other side of the building. B.) Marcias' attempt at making dinner was a smashing success. C.) The children's playroom was a metaphorical beehive of activity. D.) The music industries's

    asked by Cassie
  65. English

    Which sentence is punctuated correctly? A.) The most popular house pets are as follows; dogs, cats, and birds. B.) The most popular house pets are as follows: dogs, cats, and birds. C.) The most popular house pets are as follows, dogs, cats, and birds. D.)

    asked by Cassie
  66. English

    1. They climb up the hill to the tower of London. 2. He is climbing up the ladder. ------------- Is 'up' an adverb or a preposition?

    asked by rfvv
  67. maths

    a field is 25m long and 175m breadth. it has 2 uniform width. if one is parallel to its length and breadth. find the cost of leveling the road at rs3

    asked by dhanu shree
  68. Pre-Ap Chemistry

    This is due online in 20 minutes and I've been working on it for 3 hours. Im lost on what to do with this question. Please help How much H2 gas at STP can be produced by the reaction 2Na(s) + 2H2O(§¤) -> H2(g) + 2NaOH(aq) of 3.80 g of Na and excess

    asked by Morgan
  69. Pre-Ap Chemistry

    This is my last question and this one really threw me for a loop. I know that the temp has to be converted to kelvin which would make it 315.4 What volume of oxygen gas can be collected at 0.683 atm pressure and 34.0◦C when 42.4g of KClO3 decompose by

    asked by Morgan
  70. English Ms Sue/Writeacher

    Which sentence is punctuated incorrectly? A.) When you get there, you will see him, of course. B.) Hey, Chris, do you want to watch the game on TV tonight? C.) Needless to say, nobody thought that her joke was particularly funny. D.) The story was, far too

    asked by Cassie
  71. Math - Polynomials

    off-topic: yay it's friday :D Simplify each polynomial. 1. 6g + 8k + 9g + 2k A) 3g + 10k B) -3g + 10k *** C) 17gk D) 10k - 3 2. -4x + 6x2 + 5x A) 7x^3 B) 6x^2 + 9x *** C) 6x^2 - 9x D) 6x^2 + x 3. a^2 + 5a - 3a^2 A) 5a + 2a^2 *** B) 5a - 2a^2 C) 2a^2 + 5a

    asked by Johnny
  72. algebra

    a line has a slope of 5. it passes through the points (1,4) and (6,y). what is the value of y?

    asked by laura
  73. English

    Which sentence is punctuated correctly? A.) On January 1, 2019 most of the charity's activities will cease. B.) Most of the charity's activities will cease in January 2019. C.) The president lives at 1600 Pennsylvania Avenue, NW, Washington, DC, 20500. D.)

    asked by Cassie
  74. English

    Then Mr. Farrener's wife, Anne, calls down to them. ================== How do you pronounce "Farrener"?

    asked by rfvv
  75. Children, families and society

    Which of the following situations is a culture influence on behavior

    asked by Penn Foster
  76. Chemistry

    How much water must be added to make 500 ml of 12.0 M HCl to 1.0 M HCl (500mL• 12M) / 1.0M =6000m Is this correct?

    asked by Carl
  77. Social Studies

    Douglas MacArthur was the commander of the Allied forces in 1:the Atlantic 2: Italy 3:the Pacific 4:France My answer is this correct?

    asked by Marylyn
  78. chemistry

    Balance the following reactions using the non-traditional method of balancing redox Nickel(II) hydroxide + oxygen = Nickel(III) hydroxide Copper(I) hydroxide + oxygen = Copper(II) hydroxide

    asked by Nicole
  79. Calculus - Derivative

    The curve is given by x^2+2r(sqrt(y))=xy What is dx/dy when r is constant?

    asked by Fred
  80. Social Studies

    What was the general approach of the New Deal policies in responding to the Great Depression? 1: The New Deal sought to create federal government programs to improve the welfare of the American public. 2: The New Deal relied on the state and local

    asked by Marylyn
  81. math

    The data in the table illustrates a linear function. What is the slope of the linear function? x| 0| 2|4|6 y|-5|-2|1|4 Please shoe me how to figure this out? Thank you.

    asked by AG Girl
  82. Chemistry

    Iron -59 has a half -life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.

    asked by Gloria
  83. Calculus(URGENT PLS!!!)

    Find the integral of (e^cosx)sinx

    asked by ben
  84. English

    What does Guy Montag mean in Fahrenheit 451 when he asks if it has a "happy ending"?

    asked by Anonymous
  85. math

    What function is a quadratic function? A.y=1/y B.y=5x-7 C.y=-x2+2y D.y=|x| Is the answer C?? Thank you

    asked by Anono
  86. chemistry

    Higher signal to noise signal ratios can be achieved in FTIR spectra compared to spectra from dispersive ir instrument. how is such a useful feat achieved in ftir

    asked by Ben
  87. Math to hard please help

    I was skipped over can someone please help me. Thank you

    asked by Anono
  88. Math please

    Hi nobody helped me can you check on what I asked? Thank us

    asked by AG Girl
  89. Civics

    Ms. Sue please help In what way do mixed and market economies support the ideals of democracy

    asked by Someone
  90. chemistry

    From the fringe pattern of an empty Ir cell, the following wavenumbers were found for a seies of consecutive fringes: 3011.11 cm, 3058.12 cm, 3108.89 cm, and 3157.75cm, 3205.64cm, 3254.54 cm, 3303.26 cm. With a suitable graphical plot, calculate and

    asked by Sakura
  91. Calculus, derivatives

    The curve is given by x^2+2r(sqrt(y))=xy What is dx/dr when y is constant?

    asked by Andy
  92. extreme math help please

    Explain how to write a function rule from the table below. Then write a function rule. x|2|4|6| y|1|0|-1|

    asked by Anono
  93. governmnt

    Congress convenues every two years on_____of every____ year.

    asked by Matthew
  94. algebra

    City population N and M club, any club membership is an even number of members of both clubs prove m

    asked by ali
  95. Travel and Tourism

    Why are Global Indicators important in the traveling industry?

    asked by Cayman
  96. mathematics

    A total of 50 seniors and juniora wwere give amath tesr.the 35 juniors got an average of 80 and 15 seniors got 70.what was average score of all 50 students

    asked by Anonymous
  97. STS


    asked by avnish kumAR UPADHYAY
  98. P.E.

    _______________ occurs when a person internationally uses drug improperly. A side affect Drug misuse*** Drug synergism Drug abuse Thanks!!

    asked by Anonymous
  99. STS


    asked by avnish kumAR UPADHYAY
  100. Math

    Which table of values shows y=x-8? A. x|y -5|3 -8|0 -7|1 B.x|y -5|-13 -8| 0 -7|-15 C.x|y -5|-13 -8|0 -7|1 D.x|y -5|-13 -8|-16 -7|-15 Is the answer D? Thank you.

    asked by AG Girl
  101. STS


    asked by avnish kumAR UPADHYAY
  102. math

    what is the theme of the story the Christmas goblin by Charles Dickens?

    asked by lizzy
  103. Technology in the classroom

    Of the following who do we consider to be the father of computer-assisted intruction

    asked by Penn Foster
  104. statistic

    An urn contains white and green balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are green?

    asked by Chelle
  105. maths

    victor and lahai have 60c between them.lahai has 24 c more than victor how much does each have. let victors be x and lahai be y. now x÷y=60,x=60y but x=y+24. 60y=y+24 . help pls

    asked by chimere
  106. Canadian History

    What were aboriginal peoples in Canada thinking and feeling about the nazi soviet pack in 1939? I can't find anything on it. I wanna know what the perspective of an at home aboriginal person was feeling towards the thought of another war? Please help.

    asked by Sam
  107. chemistry

    The amount of organic carbon in a sample can be obtained by IR analysis of the carbon dioxide (CO2) released following complete combustion of the sample in oxygen. A reference sample of an organic compound is usually used to calibrate the instrument

    asked by adam
  108. math

    the baseball game lost 13 games this season. that was 5/8 of all they played. how many games did they play this season?

    asked by kylaa
  109. calculus(urgent pls)

    Integral of 1/[x^2(1+x^2)]

    asked by ben
  110. math

    97 is 5% of what number

    asked by Anonymous
  111. Science

    Water molecules are smaller and have less mass than alcohol and oil molecules. Explain why water is more dense than alcohol and oil.

    asked by Sarah
  112. math stuck please help!!!

    A private plane traveled from Seattle to a rugged wilderness , at an average speed of 252 mph . on the return trip , the average speed was 180 mph . if the total time was 9 hours how far is Seattle from the wildness

    asked by BEN
  113. math

    solve y"+4y-4z'=3x z"+z-y'=1-x where y(0)=z(0)=1 and y'(0)=z'(0)=0 by laplace transform

    asked by assma
  114. Physics

    The space shuttle releases a space telescope into orbit around the earth. The telescope is traveling at a speed of 1700m/s in 25 seconds. What is the distance of the satellite? d = v x t d = 1700 x 25 = Is that the correct formula? Thank you.

    asked by Steph
  115. Physics

    The average speed of a car was 60m/s by the time it reached the finish line. The car moved in a straight line and travelled from the starting line to the finish line in 8.0 sec. How far was the finish line? d = v x t d = 60 x 8 = 480 metres. Thank you

    asked by Steph
  116. math

    If A + B + c = 180 then show that sinA + sinB + sinC=4cosA/2. cosB/2 . cosC/2

    asked by Robert
  117. question

    the baseball game lost 13 games this season. That was 5/8 of all they played. How many games did they play this season.?

    asked by awol
  118. Calc 2

    I need help finding the limit of the following sequence or determining that the limit does not exists {csc^(-1) 11n}

    asked by Kate
  119. 7th grade math (probability)

    I'm re-posting corrections originally from Wednesday in addition to new ones. Still not sure how to answer #4. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will

    asked by Alexis