1. physics

    A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the base of the building. The acceleration of gravity is 9.8 m/s^2 1. Find the time the ball is in motion. Answer in units of s. 2.

    asked by Liz on November 19, 2012
  2. physics

    A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b.

    asked by Kimberly on January 2, 2015
  3. maths

    (a)(i)use the composite rule to differentiate the function f(x)=(x^2-6x+23)^(3/2). (ii)use the composite rule and your answer to part (a)(i) to show that the function g(x)=(x-2)/(x^2-6x+23)^(3/2) has derivative g'(x)=(5+9x-2x^2)/(x^2-6x+23)^(5/2).

    asked by alan on May 20, 2011
  4. English

    1. If you turn right, you'll find the post office on your right. 2. If you turn right, you'll find the post office which is on your right. -------------------------- Does #1 mean #2? Or does 'on your right' modify the verb 'find'?

    asked by rfvv on December 1, 2014
  5. geography need help please

    I need to pass my finals tomorrow! pleas help me! its geometry? Does anyone know how to do any of these problems ? please help! 1- 3, 5, 7, 9... Generalize the pattern by finding the nth term. A) 3n B) 2n + 1 C) n + 2 D) (n + 1)(n + 2) 2- If the radius of

    asked by Anonymous on August 27, 2015
  6. Math!Please Help.!

    Hi.-It's Margie and I have a Math Lab to do but I don't get this.If you can, please help.: Use the Pythagorean Theorem to find the diagonal of the new room. length=22 width=25 area=350 Is the area supposed to be 550 instead of 350? Area of a rectangle is

    asked by [C]razy Baby.-[iloveyou] (Margie) on February 9, 2007
  7. science check plzzzzzzzzzz

    if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it

    asked by kim on February 16, 2011
  8. science check plzzzzzzzzzz

    if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it

    asked by kim on February 17, 2011
  9. science check plzzzzzzzzzz

    if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it

    asked by kim on February 17, 2011
  10. math

    Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.

    asked by Tommy on September 8, 2016
  11. physics

    A ball starts at the top of a ramp with an incline of 7 degrees and rolls down, picking up speed. (see the table below) Time (s) Position (m) 0 0 .4917 .1 .7625 .15 .975 .3 1.1583 .45 1.2833 1.6467 (a) Linearize the data and find the slope of the new line.

    asked by Daniel on September 30, 2015
  12. Algebra 2

    Find the exact value of each expression if 0 degrees < theta < 90 degrees If tan (theta) = 1/2 , find cos(theta) If cos(theta) = 8/17, find csc (theta) Find the exact value of each expression is 180 degrees < theta < 270 degrees 7. If tan (theta)= 1, find

    asked by Amy on May 7, 2015
  13. Math

    Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has regularly had cash assets of $20,000 or more at the end of each month. You have found a 6-month certificate of

    asked by T. on February 6, 2012
  14. Business

    Choose one of the newly industrializing countries mentioned in the text (p. 102 International Business).The countries are Western Europe, Japan, Australia, New Zealand, Canada, Israel, and the United States. The term developing is a classification for the

    asked by Pretty K on October 19, 2009
  15. geometry CA

    Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point) square trapezoid parallelogram

    asked by Jesicca on March 11, 2011
  16. Probabilty/Statistics

    1)A coin is tossed 5 times. Find P(at most 4 tails.) A)3/16 B)13/16 C)1/32 D)31/32 I chose D 2)How many different arrangements of the letters of the word doodle are possible? A)180 B)720 C)15 D)90 I chose B For #3-5, use the following tepereatures from

    asked by Jon on February 8, 2008
  17. Probability

    1)A coin is tossed 5 times. Find P(at most 4 tails.) A)3/16 B)13/16 C)1/32 D)31/32 I chose D 2)How many different arrangements of the letters of the word doodle are possible? A)180 B)720 C)15 D)90 I chose B For #3-5, use the following tepereatures from

    asked by Jon on February 8, 2008
  18. calculus

    Sketch the region bounded by the curves y = x^2, y = x^4. 1) Find the area of the region enclosed by the two curves; 2) Find the volume of the solid obtained by rotating the above region about the x-axis; 3) Find the volume of the solid obtained by

    asked by Megan on June 9, 2011
  19. calculus

    The cost of running a ship at a constant speed of v km/h is 160 + 1/100*v^3 dollars per hour. a)Find the cost of a journey of 1000km at a speed of v km/h. b)Find the most economical speed for the journey, and the minimum cost. c)If the ship were to have

    asked by jim_segs on November 17, 2013
  20. Math

    The path of a softball is given by the equation y=0.08x^2 + x + 4. The coordinates x and y are measured in feet, with x=0 corresponding to the position from which the ball was thrown. A) Use a graphing utility to graph the trajectory of the softball. B)

    asked by Laura on April 23, 2007
  21. English

    Can you please check if these are correct? Thank you. 1) Outline briefly what the Romantics showed an interest in and what they reacted against. Refer then to how they viewed nature and man, with particular reference to childhood. 2) Describe how Kurtz's

    asked by Franco on February 7, 2011
  22. physics

    Have to figure out 1 before 2 and don't know were to start? 1)The tension in the above string is 84.0 N. Calculate the mass of a 3 m long piece of the steel string. 2)Find the wavelength of the third harmonic of the guitar string described in the problem

    asked by Jamie on March 31, 2011
  23. Algebra/can you help me

    Write each expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log7^10= 1.183 How do you find the approximation log3^316 = 5.239 How do you find the approximation Thank you

    asked by Mary Ann on June 2, 2014
  24. statistics

    Group the largest data set and find mean, median, mode, variance, standard deviation, 15-th, 45-th and 80-th percentiles of the grouped data. Then find the same sample statistics using the ungrouped data. Is there any difference? Comment.

    asked by metu on November 20, 2011
  25. Calculus

    A curve is defined by the parametric equations: x = t2 – t and y = t3 – 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the y-axis. You must use calculus and clearly show your working, including any

    asked by Daksh on July 18, 2014
  26. physics

    The drawing shows a force vector vector F that has a magnitude of 600 newtons. It lies at alpha = 67° from the positive z axis, and beta = 31° from the positive x axis. (that's the diagram given) webassign. (delete this space) net/CJ/p1-39alt.gif (a)

    asked by RE on September 10, 2009
  27. ap physics

    A force of magnitude Fx acting in the x-direction on a 2.55-kg particle varies in time as shown in the figure below. (Indicate the direction with the sign of your answer.) (a) Find the impulse of the force. (Give your answer to one decimal place.) kg ·

    asked by alba on February 22, 2015
  28. accounting

    I don't know if the answer is $0 or $1,000,000. One part says it's 1,000,000 because it's less than a year, but they also have the intention of using part of it for a long term bond, so I think it could be 0. Below is the question. Other answers to select

    asked by frustrated on May 23, 2009
  29. math-Inverse functions

    f(x)=-4x-2 & g(x)=5x-6. Find (f*g) and state domain. f(x)-x^2-1 what is the equation for f^-1(x)? f(x)=3x+2, find f(f^-1(14)). f(x)=4x+7 and g(x)=3x-5 find (f*g)(-4) f(x)=sqrt x+3 what is equation for f^-1(x)? Graph y=sqrt x-2 +5 which point lies on graph?

    asked by Anonymous on January 31, 2009
  30. physic

    A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. •1Nmm = 0.001Nm •100Nmm = 100 X 0.001 = 0.1Nm •Comp.1 = 15 mm = 0.015m •Comp.2 = 65 mm = 0.065m a) i-Find potential energy at 15mm.

    asked by daniel on April 2, 2009
  31. trigonometry

    suppose a manufacterer of transistors believes that, on the average, one defective transistor occurs in every 100 transistors. a. find the probability that a batch of 20 transistors has 2 defectives. b. find the probability that a batch of 20 transistors

    asked by Rob on January 10, 2007
  32. Teaching

    11) T/F. Friedrich Froebel originated the first kindergarten in Germany. 12) T/F. Group-administered standardized tests are recommended once children are in 1st grade. 13) T/F. How a child feels about himself/herself is reflected in his/her behavior. 14)

    asked by Anonymous on July 17, 2017
  33. GEOMETRY URGENT PLEASE

    (imageshack)(.)us(/)photo (/) my-images (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle

    asked by BARBIE LEE on November 9, 2013
  34. physics (Simple harmonic motion)

    In a horizontal block-spring system,the block mass is m=0.5kg and the spring constant is k =2N/m. At t1=0.1s the block velocity is +0.263m/s and the acceleration is -0.216m/s2. Assuming that the system is undergoing SHM.Write the expression for block

    asked by bling pls help on September 3, 2016
  35. Math

    a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a

    asked by D on March 11, 2018
  36. physics

    A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on the car W = change in

    asked by Mechai on November 20, 2014
  37. physics

    An object has a kinetic energy of 304 J and a momentum of magnitude 26.7 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.

    asked by jill on March 28, 2012
  38. Math HELPPPPP

    a) Find the gradient of the line x/7+y/11=1. b) the straight line Y=mx+c is parallel to the line y+ 5/3x=7/3 and passes through the point (2,3). Find the values of m and c The answer for a is -11/7x And b us 6 1/3

    asked by Cheezel on June 24, 2016
  39. Calculus-HELP PLZ !!!!

    Find a general solution to the first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. (9x^2+y-1)dx-(4y-x)dy=0, y(1)=0

    asked by Sara on July 7, 2013
  40. Math HELPPPPP

    a) Find the gradient of the line x/7+y/11=1. b) the straight line Y=mx+c is parallel to the line y+ 5/3x=7/3 and passes through the point (2,3). Find the values of m and c The answer for a is -11/7x And b us 6 1/3

    asked by Cheezel on June 25, 2016
  41. Physics

    An object has a kinetic energy of 244 J and a momentum of magnitude 24.9 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.

    asked by J on March 19, 2012
  42. geometry

    The width of a rectangle is 6 cm less than its length. If the area of the rectangle is 135 square cm, find the dimensions. Then find the perimeter of the rectangle.

    asked by jay on November 15, 2011
  43. Chemistry

    I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

    asked by Cindy on April 10, 2012
  44. phys

    Find the kinetic energy of a particle with a mass of one gram moving with half the speed of light. Compare the answer with the one you would find using the nonrelativistic formula. Ans in units of x 10^13.

    asked by slien on October 12, 2006
  45. Chemistry

    I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

    asked by Cindy on April 10, 2012
  46. The Metis

    They were natives, and most of these native women got married to fur traders that worked for the NWC, as the NWC thought the loyalty of the Natives for them would increase, and the Natives thought it would be an advantage towards their living as well.

    asked by Anonymous on May 4, 2011
  47. history

    I have to do a paper on the railroad strike of 1877, but I find that there is too many websites. My teacher does not want us to use Wikipedia since the information changes too much. I have looked at all of them, but cannot find a good one. We have to

    asked by Nancy on March 31, 2010
  48. statistics

    Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the given values of n and p to find the mean μ and standard deviation σ. Also, use the range rule of thumb to find the minimum

    asked by slomomo on February 18, 2015
  49. Chemistry

    Information: Original temp of HCl: 23.3C of NaOH: 23.8C Final temp of the mixture: 36.7C I am to find qH2O (assume 50 mL of solution and use average density of 1.02 g/mL) but I'm a bit lost. I also need to find /\H and /\H per mole of H+a and OH- ions

    asked by Aishya on November 4, 2014
  50. clarinet music

    I will be doing my clarinet practice exam grade 4 LCM next May and I am going to play "Pastoral" from the book "Four short pieces" by Howard Ferguson. I am trying to find this mp3 so as to feel more comfotable playing it with the piano. Can anyone send me

    asked by Claire on September 5, 2007
  51. Calculus

    If an arrow is shot straight up from the surface of the moon with an initial velocity of 100 ft/s, its height in feet after t second is given by s(t)=(100t)−(83/100)(t^2). Use the limit definition of the derivative to find the answers to the following

    asked by Linda on June 8, 2013
  52. CALCULUS HELP PLZ

    The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

    asked by Anon on April 29, 2014
  53. CALCULUS

    The region R is bounded by the x-axis, y-axis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the x-axis. C. The solid formed in part B is divided into two solids of

    asked by Anon on April 29, 2014
  54. quadratic word problems

    a rectangular swimming pool has a perimeter of 24 feet. what should the dimesions of the pool be to create a maximum area? what would this area be? If x is the one side's dimension, the adjacent side's dimension is 12 - x. (That makes the perimeter 24).

    asked by brittany on November 29, 2006
  55. math

    We fire a missile from ground level at 1750 ft/sec. at launch angle of 10 degrees. h(t) =-16t^2 + vot +h a. find a function for height as a function b. find a function for distance from launch point as a function of time. c. when will the missile reach max

    asked by jc on June 21, 2015
  56. Physics

    Please help me with this!! I am really confused about it... 1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air resistance, what was the mans PE (potential energy) right before he stepped off the diving board?

    asked by Becca on February 29, 2016
  57. Physics

    On the map, let the +x-axis point east and the +y-axis north. A)An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. B)Repeat for the case when the plane flies due south at the

    asked by Anonymous on January 29, 2017
  58. French

    How do I talk about fear in french? The activity is to introduce ourselves (what we like, don't like, find interesting, want to do in life) and then it says: "si vous avez peur de quelque chose." My understanding is that it is asking about things we are

    asked by Kat on January 19, 2012
  59. math

    1. Find the median of the following set of numbers. = B 45, 21, 54, 22, 65, 61 A) 54 B)49 1/2 C) 45 D)48 1/2 2. The following scores were recorded on a 100-point examination: 95, 75, 76, 86, 96, 71, 68, 81, 95, 76, 69, 82, 93, 88, 94 Find the mean and

    asked by landi on January 10, 2010
  60. math

    Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $3,000 for setup costs and $4.00 to administer each test. a. Write an expression that gives the cost(C) to test animals.

    asked by lindsey on May 1, 2011
  61. Math

    Football Lesson 5.1 1. y= -0.035x^2 + 1.4x + 1, where x is the distance (in yards) and y is the height (in yards) a. Does the graph open up or down? b. Does the graph have a Maximum value or a minimum value? c. graph the quadratic function. (i'll graph it

    asked by Monte' on November 11, 2007
  62. Calculus

    1. Find the volume formed by rotating the region enclosed by x=5y and x=y^3 with y¡Ý0 about the y-axis. 2. Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis y=18x-6x^2 , y=0 : about the

    asked by jimmy on May 4, 2007
  63. Algebra 1

    Can you please check my work and help me with the parts that I don't understand? For each event, choose the most appropriate term and solve the problem. 1. In a sweepstakes with nine hundred entries, the first winner selected receives the grand prize, the

    asked by Caroline on April 27, 2014
  64. Math

    I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 +

    asked by Shane on October 14, 2010
  65. MATH! PLEASE REPLY ASAP!

    VWXYZ is a rectangle-based pyramid where WX=66 cm and XY=32cm. The vertex is vertically above the center of the base. Given that the slant heights VA and VB are 56 cm and 63 cm respectively, find the total surface area of the pyramid. Additionally, find

    asked by Helen on January 23, 2011
  66. science

    I've got a project due on Monday and i can't find any thing on what I'm supposed to be doing it on. I'm doing it on the chemical mixture of jelly and whenever i type that into Google it just comes up as like petroleum jelly and doesn't give me any answers.

    asked by sammy on May 17, 2008
  67. maths urgent please

    a particle moves in a straight line such that its position x from a fixed point 0 at time 't' is given by x= 5 + 8sin2t + 6cos2t 1. Find the period and amplitude of the particle. 2. Find the greatest speed of the particle. Could you please explain the

    asked by Candice on October 22, 2012
  68. Math/Chemistry

    We were given an assignment to find a formula for finding the density of water. I wasn't in class when the assignment was given, but the teacher gave the class two values: density H2O at 20 degrees C= .998823 g/mL density H2O at 25 degrees C= .99707 g/mL A

    asked by Chris on February 8, 2007
  69. physics

    A batter hits a softball over a third baseman's head with speed and at an angle from the horizontal. Immediately after the ball is hit, the third baseman turns and runs at a constant velocity , for a time . He then catches the ball at the same height at

    asked by Ana on September 19, 2011
  70. Calculus 1

    Consider the following. B(x) = 3x^(2/3) − x (a) Find the interval of increase.(Enter your answer using interval notation.) Find the interval of decrease. (Enter your answer using interval notation.) (b) Find the local maximum value(s).(Enter your answers

    asked by TayB on October 30, 2015
  71. math

    The equation P=240I-8I^2 represents the power, P, (in watts) of a 240 volt circuit with a resistance of 8 ohms when a current of I amperes is passing through the circuit. (a)Find the maximum power (in watts)that can be delivered in this circuit. (Find the

    asked by Shirley on February 23, 2008
  72. Finance

    The Carter Company's bond mature in 10 years have a par value of 1,000 and an annual coupon payment of $80. The market interest rate for the bond is 9%. What is the price of these bonds The coupon rate on the bond, (interest/principal at maturity) = 8%

    asked by Dee on February 14, 2007
  73. chem

    I have a titration of 30ml of .360 M H2C6H6O6 Its K1 =6.8E-5 K2 =2.8 E-12 With .280 M NaOH. It is a weak acid being titrated by a strong base Its a two step process with the ice table to find the eqpts. Ineed to list the volumes of NaOH needed for the

    asked by ted on July 10, 2011
  74. history

    My question is how did World War I end? I am wondering if I answered it correctly and if I need to cover more information. *As the Allies were dominating, the Central Power was getting weaker. On October 30, 1918 Turkey signed the armistice, a short-term

    asked by Sarah on December 30, 2006
  75. English

    I need help finding action-packed words... and several other things cause the mid-term marks are gonna be tomorrow so I gotta boost my mark up before I fail... Action-packed verbs are those that are very specific and vivid -- that is, they give the reader

    asked by Tanya on November 8, 2006
  76. math-mechanics 1

    i solved a)u=2i and b)r=2t+1/2[-0.4(i) 0,2(j)] at c) i don t have idea how to solve At time t = 0, a small boat is at a buoy travelling due east with speed 2 ms−1 . The boat experiences a constant acceleration of (– 0.4i + 0.1j) ms−2 . The unit

    asked by Andrew on November 21, 2016
  77. GEOMETRY

    Here are the figures. file:///C:/Users/ALIZAJOY/Pictures/Untitled.png Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle

    asked by Barbie Lee on November 6, 2013
  78. math

    Given is the Income Statement for the year ended December 31, 2015, Statement of Retained Earnings for the year ended December 31, 2015 and Comparative Balance Sheets for 2014 and 2015 of Maris Corporation:    Maris Corporation Income Statement Year

    asked by pooja on September 17, 2017
  79. Math

    Hey guys I need some help with this question PLZ: A telecommunications company offers a rental deal which costs $30 per month plus 50c per call. a) Find the total cost (T1) for making x calls in a given month b)Find the total cost for making 52 calls in a

    asked by Liam on November 4, 2015
  80. calculus

    Find the surface area of the part of the sphere x^2+y^2+z^2=a^2 inside the circular cylinder x^2+y^2=ay (r=a*sin(θ) in polar coordinates), with a>0. First time posting on this website, sorry for the lack of details on my attempts but I am really not sure

    asked by Johnnie on March 10, 2014
  81. Check my precalc

    1. find without a calc log base 5 of cubed root of 25. I got x=(2/3) 2. ln base e of 3 I got 3 3. find the domain of y= log base 3 of (x/x-1) I got (negative infinity, 0)union (1, infinity) 4. y= (1/ln x) find the domain i got ( negative infinity, 1) but

    asked by Rebekah on November 15, 2012
  82. Physics

    Two moles of helium gas initially at 213 K and 0.17 atm are compressed isothermally ton1.19 atm. Find the final volume of the gas. Assume that helium behaves as an ideal gas. The universal gas constant is 8.31451 J/K · mol. Answer in units of m3 Part 2

    asked by Raven on April 28, 2019
  83. physics

    The figure below shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length L = 39 cm. (a) Find the x coordinate of the center of mass of the box. (b) Find the y coordinate

    asked by ATT on April 1, 2018
  84. science help pls pls

    The diagram below shows the movement of energy in the water cycle. Diagram showing the movement of energy in the water cycle. There are three boxes and six arrows that appear in the following order: box labeled 'Atmosphere,' one arrow pointing to a box

    asked by Oscar on March 22, 2016
  85. MATH

    (4 pts) The score on an exam from a certain MAT 112 class, X, is normally distributed with \mu = 77.6 and \sigma = 10.9. NOTE: Assume for the sake of this problem that the score is a continuous variable. A score can thus take on any value on the continuum.

    asked by Violet on February 5, 2014
  86. Physics

    A ball is thrown horizontally from the top of a building 45.9 m high. The ball strikes the ground at a point 121 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s Find the

    asked by Frank on November 16, 2014
  87. math

    The ladders shown below are standing against the wall at the same angle. How high up the wall does the longer ladder go? (All measurements are in feet.) ladders 11.25 ft 12.5 ft 14 ft 14 ft 2. The pair of polygons is similar. Find the value of x. polygons

    asked by Steve Plzzz Help now !! on December 3, 2012
  88. Physics test review

    A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s Find the

    asked by ann on November 8, 2014
  89. Math help

    We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and

    asked by Sue 6 on June 12, 2013
  90. Math help

    We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and

    asked by Sue 6 on June 12, 2013
  91. maths

    Andy is not a very good navigator. When he enters a small town, the probability that he gets lost and cannot find the correct road to continue his journey, is 0.2. When he enters a large town, the probability that he does not find the correct exit road is

    asked by Anonymous on February 4, 2008
  92. Mathematics

    1.find the capacity of rectangular tone in liters.. Length 5.5 Width 3.5 height 3.6 Height 2.7 Length 4.75 width 3.5 2.Find total surface area of solid cube of volume: 3.A man earn $1200 and spends $450 per month. Find ratio of (a) his income to his

    asked by Julie Charmster on February 19, 2011
  93. Statistics

    It is not surprising that babies with low birth weights are at risk for developmental difficulties, but extraoridinarily large babies also face a higher than noraml risk of medical problems. In the United States the average full term single birth baby has

    asked by Kelsi on October 7, 2016
  94. Credit and Taxes

    Calculate the after tax yields on the foregoing investments, assuming the Brittens have a 28% marginal tax rate (based on Public Law 108-27, The Jobs and Growth Tax Relief Reconciliation Act of 2003). Municipal bonds expected annual yield = 5%. High Growth

    asked by candy on July 21, 2006
  95. Physics

    Eileen, Jackie, and Kathryn needed to find the difference between two angles A1 and A2, that they had drawn on a diagram: B = A1+A2 They then had to find the cosine of B. Jackie measured A1 to be 50° and A2 to be 3°. But their pencil was kind of dull, so

    asked by Mary on September 17, 2014
  96. Accounting

    *I don't know where to begin, please HELP* Use the following adjusted trial balance of Webb Trucking Company to prepare a classified balance sheet as of December 31, 2005. Account Title Debit Credit Cash . . . . $ 7,000 AR . . . . . 16,500 Office Supply

    asked by Precious on February 25, 2009
  97. math

    A line with negative slope passes through the point P(5,2) and intersects the x-axis at the point A and the y-axis at the point B. a. Find the equation of the line for which the length of the segment AB is the smallest. b. Find the equation of the line for

    asked by ani on February 22, 2015
  98. physics

    2. You push a 2.0 Kg block against a horizontal spring (the spring constant is k=200 N/m) compressing it by 15 cm. Then you release the block and the spring sends it sliding across a tabletop. The block stops 75 cm from where you released it. (a) Find the

    asked by Anonymous on December 1, 2014
  99. maths

    An initial-value problem is given by the differential equation, f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to find an approximate value to y(0.1) with a step size of h = 0.1. Then use the integrating factor method, to find the exact

    asked by Matthew on September 29, 2013
  100. ART

    For an art project, I have to try and find an artist(preferably famous- so that i can find information on him/her)that draws/paints buildings. As i am having trouble finding one. Thank you if you can help! Thank you for using the Jiskha Homework Help

    asked by Natalie on December 4, 2006

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