1. Maths

    A gift box is made from a rectangular piece of cardboard that is three times as long as it is wide. 5 cm squares are cut from each corner and the ends are then folded up to make the box. If the box's volume is 4340 cm^3, find the length and width of the

    asked by Carly on September 28, 2017
  2. physics

    On a frozen pond, a 13.2 kg sled is given a kick that imparts to it an initial speed of v0 = 2.48 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.123. Use the work kinetic energy theorem to find the distance the sled moves before

    asked by Joe on February 18, 2012
  3. How do i do this maths question??

    A sector of a circle with radius r cm contains an angle of θ radians between the bounding radii. Given that the perimeter of the sector is 7cm, express θ in terms of r and show that the area is r/2(7-2r)cm square. Hence, find the maximum area of this

    asked by Danny on June 19, 2009
  4. algebra

    find the equation of a line with slope 4/5 and y-intercept (0,-7) Do I still use the formula y=mx+b? Yes. Let me know what you come up with and I'll let you know if you are correct. So far I came up with y+7 = 4/5(x-0) Now I am stuck... OK, you could do it

    asked by dee on January 23, 2007
  5. English

    My teacher wants me to proofread and make corrections on the following. Can you help me. I will send over the question and then below is what I have revised will you check it for me? The following paragraph contains five errors in grammar, punctuation,

    asked by Robin on February 3, 2010
  6. social studies

    what are the 3 causes of the holocaust? purification-Hitler wanted to purify the world to be like Germans. He wanted pepple to have blond hair and blue eyes. He wanted to create the "perfect race." getting rid of political enemies-The first people that

    asked by taylor on May 13, 2007
  7. Any suggestions? [No subject]

    I have a team project due on Saturday. I need to know what how to approach my first appearance. For example, indicate times I am avaliable and mode of communication (not a short bio because I have done that already). What else should I inform the group of

    asked by Robert on September 4, 2006
  8. physics

    Find the heat flux due to radiation from a gasoline pool fire whose flame is 3 m tall with a 1 m diameter, and it is 3.5 m away from a target fuel. Assume e = 0.98 with a flame temperature of 1,300 K. Solve this problem by determining the configuration

    asked by doris on November 4, 2012
  9. Chem lab last question!! Urgent help

    Commodity prices of NaCl and urea are about $0.033/lb for NaCl (as rock salt) and about $0.10/lb for urea. Calculate the cost of treating 1000 lb of ice on a surface to produce a solution that melts at -3.9 degrees Celsius with each chemical. I know you

    asked by K on February 27, 2013
  10. Physics

    I have already solved 2 out of 3 questions: Your spaceship lands on an unknown planet. To determine the local value of g, you ask a steel-toed crew member to kick a stone, and you find that if she kicks it at 16.0 m/s at various angles, the maximum range

    asked by . on September 17, 2010
  11. math

    please help thanks :) what does PITI mean example Find the monthly PITI payment of this loan ? Sue recently purchased a home, taking out a mortage of $235,000 at 8 3/4% for 25 years annual property taxes are $6,345 and annual hazard insurance premium is

    asked by Anonymous on November 22, 2007
  12. math

    A uniform horizontal beam weighing 136 kg is 10.4 m long and is supported by columns at each end. A vertical load of 1275 kg is applied to the beam x metres from the right end. Find x so that the reaction at the left column is 540 kg. Round your answer to

    asked by harshdeep on February 27, 2015
  13. Physics

    While blowing its horn of f=524 Hz a car accelerates at 0.8m/s^2 the car starts from rest by your side and moves away. Find the time it taked for the frequency you hear to decrease by 5%. Hint: Don't forget to include the time it takes for sound to reach

    asked by Nate on February 22, 2010
  14. Inertia

    A thin, uniform rod is bent into a square of side length a. If the total mass is M , find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the parallel-axis theorem. Express your answer in terms of

    asked by Mary on November 3, 2008
  15. algebra

    Triangles ABC and DEF are similar. Find the perimeter of triangle DEF. Round your answer to the nearest tenth. ab=4ft bc=6ft ac=5ft de=6ft ef= 9ft there is no feet given for df Please can anyone help me solve this with steps I don't understand how to do

    asked by sally on March 1, 2013
  16. physics

    A particle moves in a circle in such a way that the x- and y-coordinates of its motion are given in meters as functions of time t in seconds by: x=5cos(3t) y=5sin(3t) What is the period of revolution of the particle? Here's what my train of thought was...

    asked by Hannah on January 20, 2008
  17. chemistry

    Commodity prices of NaCl and urea are about $0.033/lb for NaCl (as rock salt) and about $0.10/lb for urea. Calculate the cost of treating 1000 lb of ice on a surface to produce a solution that melts at -3.9 degrees Celsius with each chemical. I know you

    asked by K on February 26, 2013
  18. Physics

    A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the bearing of the plane. (Note that bearings are measured from north, clockwise.) Round results to appropriate number of significant

    asked by Michael on May 27, 2012
  19. social studies

    What was the greatest obstacle that the Union army faced at Vicksburg, and how did they overcome it? I read so much on this ...were hills, surrounded by flooded marshlands & waters..army couldn't get through by foot..can't find a full explanation of this &

    asked by Joanne on June 18, 2011
  20. Chemistry

    Calculate the temp at which the reaction (2POCL3(g) -> 2PCl3(g)+O2(g))would become spontaneous. Given: DH= +572kJ and DS= 179 J/K. Would the answer be 298 K? I found DG to be 518.658 kJ, and then plugged in all the values to DG= DH-TDS. Or, should I ignore

    asked by Anonymous on April 11, 2010
  21. MATH

    Write probability as fraction 1. Sam flips two coins. Find probability of 1 head and 1 tail. I think 2/4 or 1/2 2. You roll 1 number cube to show an odd number. I think 3/6 or 1/2 3. Sheila has 8 apples; 5 of them are red. I think 5/8 4. Of 12 books, 3 are

    asked by Anonymous on March 13, 2014
  22. physics

    A turntable with a moment of inertia of 0.014 kg*m2 rotates feely at 2.7 rad/s. A circular disk of mass 500 g and diameter 22 cm, and initially not rotating, slips down a spindle and lands on the turntable. a) Find the new angular speed. rad/s b) what is

    asked by applebottom on December 11, 2010
  23. math

    A gift shop owner plans to give away calendars during the 31 days in January. Signs in her store say that the first 100 customers each day will receive a calendar. Should the owner estimate or find the exact product when placing her order for the

    asked by Seb on January 9, 2013
  24. please help me on chem

    Commodity prices of NaCl and urea are about $0.033/lb for NaCl (as rock salt) and about $0.10/lb for urea. Calculate the cost of treating 1000 lb of ice on a surface to produce a solution that melts at -3.9 degrees Celsius with each chemical. I know you

    asked by K on February 27, 2013
  25. Statistics

    A popular resort hotel has 300 rooms and is usually fully booked. About 4% of the time a reservation is cancelled before 6:00 PM deadline with no penalty. What is the probability that at least 280 rooms will be occupied? Use binomial distribution to find

    asked by Richa on November 30, 2014
  26. Algebra

    Please help me to to solve this quadratic equation word problem. Here is the question: The Abacus. The Chinese abacus consists of a frame, parallel wires, and beads that are moved to perform arithmetic computations. The frame is 21 Centimeters longer than

    asked by lpcruz on December 5, 2014
  27. Solid Mensuration

    A nozzle which is attached to the end of a 4-in fire hose has a length of 1 ft and a diameter at the discharge end of 1 in. If it has a uniform thickness of 5/16 in and is made of brass, find the weight of material used in the manufacture of 1000 such

    asked by Elle on February 12, 2016
  28. physics

    Hi, can someone please help with this question. A thin, uniform rod is bent into a square of side length a. If the total mass is M, find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the

    asked by Mary on October 18, 2008
  29. Physics

    A 10kg block is released from the top of a ramp 45m high. the track is frictionless except for a 6m stretch in the middle. when the block reaches the end, it compresses the k=2250N/m spring a distance of 0.030m. Find the coefficient of friction over the

    asked by Dakota HELP!! Assignment due within 30mts!!! on April 25, 2012
  30. physics

    a 2 kg frictionless block is attached to an ideal spring with force constant 300N/m. at t=0 the spring is neither stretched nor compressed and the block is moving in the negative direction at 12m/s. find a) the amplitude and b) the phase angle, c) write a

    asked by junah on February 4, 2015
  31. Mat/116 Algebra

    Hello I'm having some difficulities learning about the graphing, slopes, and equations, can you please help me with this: The price of an amusement park ticket is greather than or equal to $29 The inquality is? find the slope x+2y=4 A. M= B. or undefined

    asked by kiki83 on October 25, 2010
  32. Chemsitry

    Hi I have done this problem like 15 times when I find the mole I get .8 for HCL and .23 for Naoh and the equilibrium conc i get is negative. then I plug it in and get it wrong. Can someone please help me? Complete the table below: Note: Make simplifying

    asked by someone on April 27, 2012
  33. English

    I'm dong project on Dyncorp/CSE( Have to Give a brief description of the corporation- The human right violations it supports that makes this a social justice issue. Who profits and who pays etc)-Any action that can be taken to help prevent these human

    asked by Jessica on April 25, 2014
  34. English 12 (URGENT!!!)

    Sorry to repost this. I am still a bit confused of the last post. No Man is an Iland: "any man's death diminishes me, because I am involved in mankind" My teacher asked me for my opinion, is the quote true and I answered yes. Now I need proof to back up my

    asked by iNeedHelp on September 18, 2011
  35. physics

    A 10kg block is released from the top of a ramp 45m high. the track is frictionless except for a 6m stretch in the middle. when the block reaches the end, it compresses the k=2250N/m spring a distance of 0.030m. Find the coefficient of friction over the

    asked by Anonymous on April 24, 2012
  36. calculus

    Hello, I have two questions that I've been working on, but I don't know how to get the answer...something similar is going to be on the test so I hope I can get some help, thanks! 1) At what angle does the tangent line to the wave y=cosx at periods (pi/3,

    asked by daphne on September 23, 2009
  37. Math - Solving equation (check )

    7 = (210+88t)/(2(sqrt(210t+44t^2))) Is t= 1.0479....? I got the denominator multiplied by 7 and squared both sides to eliminate the sqrt and then simplified, used the quadratic formula to find the values but since the questions is about squirrels growth it

    asked by Anonymous on October 22, 2010
  38. math

    A rectangular piece of cardboard 9" x 12" is made into an open box by cutting a 2 1/2" square from each corner and bending up the sides. Find the volume of the box if no allowance is made for overlapping of the edges. a. 70 cu. in. b. 154 3/8 cu. in. c.

    asked by thomas on April 6, 2014
  39. Writing

    I need to write and essay answering this question but I cant find a good article. Please help. "What responsibilities does the individual play in selecting food choices? Should the individual in turn bear the full expense that the health care industry

    asked by Jeury on May 12, 2012
  40. Trig - Identies/equation, please help!

    2Sin(Θ+47°)=1 ΘЄ[0°, 360°) What I did: Sin(Θ+47°)=1/2 Sin 1/2 = Θ+47° 30°+360 = Θ+47° 343° = Θ Ok, so how do i find the other solutions? In this problem its 103°. I think we were suppose to do something with the graphing calculator and

    asked by James on November 12, 2008
  41. Science

    I can find anything on these questions I need to answer to pass year nine. My teacher said he doesn't matter where the answers come from as long as I pass and don't have to repeat. PLEASE HELP ME! Due tomorrow! 1. List 5 latest developments in sports

    asked by CJ on December 3, 2009
  42. algebra

    6. Two lighthouses A and B are 25km apart and A is due West of B. A submarine S is on a bearing of 1370 from A and on a bearing of 1700 from B. Draw a picture relevant to the situation, and find the distance of S from A and the distance of S from B( give

    asked by Choi on March 22, 2015
  43. rational inequality, math

    2 6 ___ + ____ < or = - 5 X X - 1 Can some one please clearly show me how to answer this and put the solution in interval notation? You need to find another way to write the inequality more clearly. Try using / for division and parentheses for

    asked by agirl123 on November 26, 2006
  44. chemistry

    Please help me with my formal report on "Potentiometric Determination of the Purity and Dissociation Constant of Potassium Hydrogen Phthalate" Please give me links to websites that could be used for my reference... In addition, please do suggest books that

    asked by Smiley on August 19, 2007
  45. Language arts

    Which of the following events is part of the novels falling action? A. Paul reveres ride to Lexington B. Johnnys injury of his hand and need to find another trade C. Johnnys acceptance of Dr. Warrens offer to operate on his hand D. General gage and the

    asked by Sal on January 7, 2015
  46. Algebra

    1. Find the surface area for the given prism. ( 1 point ) - 7,154 ft^2 2,624 ft^2 9,778 ft^2 8,432 ft^2 I don't want the answers to the whole test, I been trying to maintain good grades but I haven't been learning anything. Any time I try to do the problem

    asked by UwU { Mrs.Sue Please Help } on February 19, 2019
  47. that

    Georgia purchased a house in 1998 for $220,000. In 2003 she sold the house and made a net profit of $50,000. Find the effective annual rate of return on her investment over the 5-yr period. Please round the answer to the nearest tenth of percent.

    asked by tj on October 3, 2013
  48. science

    Given that 25ml of a solution contains 159g of sodium carbonate per dm3 was required for complete neutralization of 4.725g of monobasic acid at s.t.p. (Na=23, C=12, O=16, molar gas volume at s.t.p=22.4dm3) . find the relative molecular mass of the acid and

    asked by Cleopas on January 26, 2017
  49. English

    I forgot to add a sentence at the beginning. I don't think the verb trust is correct. When Johnny moved to New York. Claire wondered how they could trust each other. By the way, can you recommend a site where I can find entry tests for students at a

    asked by Henry2 on September 26, 2011
  50. trig

    I am having trouble figuring these two out The directions say find all solutions to the triangles described below. Round each angle to the nearest degree and the length of the missing side to the nearest tenth at the end of the computations C= 27 degrees

    asked by Rhea on March 19, 2008
  51. physics

    A homogeneous ball with mass m=1 g and total charge q=10^−3 C (uniformly distributed) is placed on a horizontal xy plane. The balls starts rolling without slipping under the influence of a uniform electrostatic field E(vector) =(E,0,0) with E=1 V/m. Find

    asked by ss on May 27, 2013
  52. statistics

    Five males with a particular genetic disorder have one child each. the random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table describes a probability distribution. If it does, find the mean

    asked by slomomo on February 18, 2015
  53. Science

    Find the density and specific gravity of the following (a) SO2 at 700F and 1 atm (b) Mixture of 10 mole% CH4 and 90 mole% argon at 5400C and 28.9 inch Hg (c) Air containing 0.045 lbm H2O per pound mass of dry air at 2000F and 29.7 in Hg absolute pressure

    asked by Man Singh Chouhan on March 26, 2015
  54. algebra

    The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68

    asked by Jay on October 25, 2012
  55. Please help for my test CALculus

    using the chain rule find the min and max points and their values of the composite function defined by z=x^2+y^2, x=sin(2t), y=cos(t) This is what Ive got so far... dz/dt= 2x*dx/dt+2y*dy/dt =4sin2tcos2t-2sintcost I understand the steps of computing the max

    asked by Lucy on February 28, 2012
  56. Foreign languages

    Thank you very much, Writeacher. I need to rephrase sentence 1. I also wonder if you could help me find online tests on verbs followed by the gerund/infinitive and on reporting verbs (possibly different from say, tell, ask). Thank you very much! 1) Briefly

    asked by Mike on June 18, 2012
  57. Math Help!

    Use Euler's Formula to find the missing number. Vertices: 13 Edges: 26 Faces: ? A. 14 B. 15****? C. 16 D. 17 What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 24 cm? A. 2,304 cm3 B. 4,608 cm3 C. 6,912 cm3****?

    asked by Lilyy2 on May 20, 2016
  58. Geology

    Can someone give me a good resource from the usgs.gov site on the Flordia Everglades? I need information about the rocks and volcanic activity within the Everglades. I have the answers to the questions, but I do not understand the site and how to find

    asked by Sarah on March 26, 2010
  59. chemistry

    Calculate the volume of fuel needed for a flight if the jet fuel has a density of 0.803kg/L.First use dimensional analysis to convert liter to grams.Then substract to find how many kilograms need to be added.then convert this mass into liters,This is a

    asked by treasa on September 9, 2014
  60. motorised gates

    Try this website: http://www.howstuffworks.com/ Try different search terms until you find what you're looking for. =) how do they work ? A trick many employ to open and close gates: they use an endless helical drive screw, so the motor turns the screw only

    asked by Writeacher on July 22, 2007
  61. finite math

    Georgia purchased a house in 1998 for $220,000. In 2003 she sold the house and made a net profit of $50,000. Find the effective annual rate of return on her investment over the 5-yr period. Please round the answer to the nearest tenth of percent.

    asked by Anonymous on September 3, 2013
  62. algebra

    Explain in your own words what it means for an equation to model a real world situation an give an example. -it is right to say that when given a problem, we want to identify the quality of the problem we want to find, translate form word to algebra, and

    asked by lan on November 15, 2011
  63. phyics 2

    Remarks The gravitational force between the charged constituents of the atom is negligible compared with the electric force between them. The electric force is so strong, however, that any net charge on an object quickly attracts nearby opposite charges,

    asked by matt on January 19, 2012
  64. Pre-Calculus

    Consider a class with 10 sophomores, 8 juniors, and 6 seniors. Two students are selected at random. 1) What is the probability of selecting 1 junior and 1 senior. 2) Find the odds of selecting two students who are not seniors. How do I set these up to

    asked by Lucy on September 14, 2008
  65. Pre-Calculus

    I am having trouble with several problems: 1) Find the coordinates of the center, foci, and the vertices, and the equations of the asymptotes of the graph of the equation (x+1)^2/2 - y^2/8 =1 2) Write the standard form of the equation of the circle that is

    asked by Lucy on September 28, 2008
  66. Math

    Given the points (3,52488) and (-4,-393216), determine (a) the linear function , (b) the power function , for these two points. ( N.B. If you use your calculator immediately without thinking, it will say that there are no solutions, but there are

    asked by Lake on March 24, 2015
  67. pre-calculus

    A sphere is contained inside of a cube, tangent to all six faces. Find the surface area of the cube as a function of the radius of the sphere. The answer in the back of the book read:A=24r^2...How did they get this answer? Thanks for helping!

    asked by Acorn on September 1, 2008
  68. statistics

    The heights of 1000 students in a college are normally distributed with a mean 5’10” and SD 2”. Find the approximate number of students in each range of the heights: 1) 5’8”-6’ 2) 5’6”-6’2” 3) Above 5’10” 4) Below 6’ 5) Above

    asked by Anonymous on July 27, 2010
  69. trigonometry

    can you tell me how to actually do this. find thenumebr of radians through which the hour hand of a clock turns in 5 hours. i don't know what i did, this is what i wrote: 360degrees=1 hour 1800 degrees=5 hours 1800(pi/180) somehow i got 10pi which is

    asked by please check on January 7, 2009
  70. Algebra

    A man drives from city to village a distance of 48 km ,in 45 minutes. Where the road surface is good , he drives at 72 km/hr and where it is bad , at 48 km/hr. Find the number of kilometres of good surface. (Form an algebraic equation and solve it).

    asked by Zia on November 12, 2016
  71. math

    A test is composed of six multiple choice questions where each question has 4 choices. If the answer choices for each question are equally likely, find the probability of answering 3 OR 4 questions correctly. 0.131836 0.032959 0.004639 0.164795

    asked by molly on June 19, 2010
  72. Math

    Find the derivative of y=(sinx/(1+cosx))^2. I used the chain rule, but the second part involved the quotient rule which gives a very complicated expression that u do not know how to simplify. Could you please give me a detailed step by step solution for

    asked by Beth on December 27, 2015
  73. Civics

    You pick up a newspaper and are disappointed to find that part of the headline is missing. It reads, "Youngest candidates ever! Presidential candidate is __________; candidate for Senate is __________." Complete the headline by filling in the blanks. 20;25

    asked by MeowCat97 on October 22, 2015
  74. statistics

    On standard IQ tests, the mean is 120 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 120.

    asked by Anonymous on February 16, 2012
  75. English

    Okay my English teacher set up this assignment to relate a person (needs to be alive) to a character in the a man for all seasons by Bolt. I chose Richard rich, but I am failing to find someone.. any idea of who I can relate Richard rich to?

    asked by JL on July 14, 2009
  76. statistics

    The average age of a vehicle registered in the U.S. is 8 years, or 96 months. If a random sample of 36 vehicles is selected, find the probability that the mean of their age is between 98 and 100 months. Assume the standard deviation for the population is

    asked by Jana on December 20, 2010
  77. Math

    Sonia draws a line between Los Angeles and San Diego on a map. Find the shortest distance between the two cities. If the scale is 1 inch = 50 miles, what is the distance in miles between the two cities. A.25, B.50, C.100, D.150? Please help me

    asked by Pier Smiley on December 17, 2016
  78. maths

    A building is in the form of a cylinder surmounted by a hemispherical vaylted dome and contains 1144/21 m3 of air. If the internal diameter of the dome is equal to 4/5th of the total height above the floor, find the height of the building

    asked by Anonymous on December 19, 2012
  79. Standard Deviation

    On standard IQ tests, the mean is 100 and the standard deviation is 16. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is more than 100.

    asked by Anonymous on February 14, 2012
  80. physics

    A 2.1 103-kg car starts from rest at the top of a 5.9-m-long driveway that is inclined at 19° with the horizontal. If an average friction force of 4.0 103 N impedes the motion, find the speed of the car at the bottom of the driveway.

    asked by heather on October 12, 2012
  81. chemistry

    A 12.42 gram sample of a mixture of NaCl and CaCl2 is dissolved in water and all the chloride is precipitated as AgCl. If the AgCl precipitate has a mass of 31.70 grams. How do I find the mass percentage of each component in the original mixture?

    asked by Anonymous on January 20, 2015
  82. geometry

    Rain water from the flatt roof of a building 20 m by 5 m flows into a cylindrical tank of diameter 2 m. Find the increase in depth of water in the tank after 11 mm of rain. Give your answer in meters. Vcyulinder= Πr2h. Use Π≈(22/7).

    asked by Arshi on March 8, 2012
  83. Algebra

    I am having a hard time with this question. A boat went 15 miles downstream in 1 hour and then returned upstream to its dock in 5/3 hours. if the current of the stream was constant, find the speed of the boat in still water and the speed of the current

    asked by Marina on October 27, 2015
  84. math

    A square canopy is supported on 4 corners by poles. Each pole is supported by 3 cables, each cable is attached to the top of the 12 foot pole and 5 feet away from the base. Find he total length needed for all of the cables.

    asked by Anonymous on January 14, 2016
  85. Physics

    A block slides down a frictionless plane having an inclination of 18.9deg. If the block starts from rest at the top and the length of this incline is 2.21m, find the acceleration of the block. b). What is the block's speed when it reaches the bottom of the

    asked by joane on October 28, 2012
  86. Maths(permutation)

    A teacher prepares 5 different books for 7 students.If each student can get one or no book from the teacher , find the number of ways of distributing the books among the students. can u explain it to me detailly.i have thought about this question for

    asked by Nada on May 8, 2012
  87. physics

    8. a light beam enters a piece of window glass (n=1.47) at an incidence angle of 59. Find the angle it makes to the normal as it exists from the other side of the flat window glass. What general rule can you conclude?

    asked by alessandra on December 5, 2012
  88. Physics

    FM radio signals are electromagnetic waves transmitted between frequencies of 88 MHz and 107 MHz. Find the range of wavelengths for these signals. largest I have used the equation, but im doing something wrong, so if i could get the answer instead of just

    asked by Justin on April 16, 2012
  89. Tech Math

    A 490 newton woman stands on a bathroom scale while riding in a elevator that is accelerating downward at 2m/sec/sec. Find her apparent weight and her apparent mass. Compare to her starting mass.

    asked by Jennifer on July 19, 2012
  90. Statistics

    Suppose that out of 15,351 convicts who escaped from U.S. prisons, only 7667 were recaptured. Let p represent the proportion of all escaped convicts who will eventually be recaptured. Find a point estimate for p. Round your answer to four decimal places.

    asked by Desperate on July 8, 2012
  91. calculus 2

    The birth rate of a population is b(t) = 2000e^0.022t people per year and the death rate is d(t)= 1460e^0.017t people per year, find the area between these curves for 0 ≤ t ≤ 10. (Round your answer to the nearest integer.)

    asked by TayB on January 22, 2016
  92. Calculus

    Find the length in the first quadrant of the circle desribed by the polar equation r = 2sin theta + 4 cosTheta. The circle is graphed in the accompanying figure. A. (Square Root 2)Pi B. (Square Root 5)Pi C. 2Pi D. 5Pi

    asked by Anonymous on August 7, 2012
  93. trigonometry

    a tower 150 meter is situated at the top of the hill.At a point 650 m down the hill.The angle between the surface of the hill and the line of sight to the of the tower is 12degrees 30 '.Find the inclination of the hill to a horizontal plane.

    asked by lee12 on February 12, 2015
  94. Job: Quick Question

    Hello, I am a college student who is currently living in New York city. Do you know of any legitimate job websites that would help me find full-time or part-time jobs in the New York City Area. I have been to hotjobs, careerbuilder, monster... do u know of

    asked by Mia on February 2, 2009
  95. physics Helppp

    3 mass are collienear formation A, B, C massA is 363 kg and is .5m away from mass B (517 kg)and mass B is .25m away from mass C (154kg) Find the magnitude and direction of the net gravitational force acting on each of the three particles (let the direction

    asked by hy on November 21, 2010
  96. physics

    a rocket of mass of 450000kg is in flight. its thrust is directed at angle of 62.5 degree above horizantal n has magnitude of 6000000 N. find the magnitude and direction of rockets acceleration. give direction as an angle above horizontal

    asked by hy on November 21, 2010
  97. Calculus

    Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this

    asked by Allison on November 4, 2012
  98. Physics

    A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note: 1 furlong = 220 yards, 1 yard = .9144 meters, and 1 fortnight = 14 days.

    asked by Chris on September 8, 2015
  99. physics

    A 2.1 103-kg car starts from rest at the top of a 5.9-m-long driveway that is inclined at 19° with the horizontal. If an average friction force of 4.0 103 N impedes the motion, find the speed of the car at the bottom of the driveway. m/s

    asked by monic on October 12, 2012
  100. College Physics

    A convergent lens forms a real image 2.41 times the size of the object. The distancebetween object and image is 62.6 cm.Find the distance of the focal point fromthe center of the lens.Answer in units of cm

    asked by Molly on July 3, 2012

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