1. calculus

    Consider the following. y = x2 y = 20 − x Maple Generated Plot (a) Find the area of the region by integrating with respect to x. -225/2 Incorrect: Your answer is incorrect. (b) Find the area of the region by integrating with respect to y.

    asked by demarcus on September 15, 2018
  2. Algebra 2

    consider the interior angles of the triangle with vertices p=(=4.39,-0,948) q=(3.03,8.31) r=(4.21,6.54) find the angle of the vertex of p answer in units of degrees find the angle of vertex q answer in units of degrees

    asked by Emily on October 18, 2012
  3. Math check

    Complete the following hypothesis test: Ho: ì = 52, Ha: ì < 52, á = 0.01 using the data below. 43 48 44 48 42 60 54 44 50 35 48 58 (a) Find t. (Give your answer correct to two decimal places.) -2.05 . (ii) Find the p-value. (Give your answer correct to

    asked by TOM912 on June 19, 2013
  4. high school

    where can i find information on stories that were spread on the silk roads? my topic for an english paper is storytellers/writers and how the stories spread with the use of the silk roads.. i can't find any information at all.

    asked by betty on October 20, 2008
  5. Math

    lines m and n are parallel. If m∠2 = 150°, find the measure of the following angles In the diagram, lines m and n are parallel. If m∠2 = 150°, find the measure of the following angles. ∠4 = ? A. 120º B. 50º C. 30º D. 150º

    asked by Anonymous on January 9, 2019
  6. Science

    A roller coaster is moving at 10 m/s at the top of a hill and 22 m/s at the bottom of the hill two seconds later.Explain how to find the average acceleration of the roller coaster, then find the average acceleration.

    asked by Tay Davis on November 14, 2010
  7. math

    a)Find the time required to double the amount of an investment at an interest rate k, compounded continuously. b) Find the time required to double an investment at continuous rate of 6%.

    asked by George on April 12, 2018
  8. Calculus

    1) Find correct to six decimal places root of the equation cos(x)= x for xE[0, pi/2] using Newton's Method. 2) A triangle has two constant lengths of 10 cm and 15 cm. The angle between two constant sides increases at a rate of 9 deg/min. Find the rate of

    asked by G on May 4, 2013
  9. Physics

    A 61 kg skier on level snow coasts 184 m to stop from a speed of 12.0 m/s (A) use the work energy principle to find the coefficient of kinetic friction between the skis and the snow. B) suppose a 75 kg skier with twice the starting speed coasted the same

    asked by Sarah on June 22, 2009
  10. algebra

    Suppose the ball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. -- find an equation in form

    asked by Jennifer on October 8, 2011
  11. physics

    A 120-V motor has mechanical power output of 2.20 hp. It is 92.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor (A) (b) Find the energy delivered to the motor by

    asked by priya on September 5, 2013
  12. math 540

    suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the

    asked by renee on November 12, 2013
  13. Linear Algebra

    In 3-space, a plane abc is spanned by three points a, b, c. The point x does not lie on this plane. I'm trying to find the formulas used to find the point p on abc with minimal distance to x. I know the point p must be perpendicular to the point p and the

    asked by Nikki on March 1, 2009
  14. Math

    1. The curve y=10/2x+1 -2 intersects the x-axis at A. The tangent to the curve at A intersects the y-axis at C. (i) Show that the equation of AC is 5y+4x=8 (ii) Find the distance of AC 2. The equation of a curve is y=1/6(2x-3)^3-4x (i) Find dy/dx (ii) Find

    asked by Stephen on January 14, 2013
  15. vectors

    Given the vectors v=-2i+5j and w=3i+4i, determine (do I just plug what is given? but how would I find the length? is there a special way to solve vectors?) 1. 1/2 v 2. w-v 3. length of w 4. the unit vector for v Use the pythogrean theorm to find length of

    asked by Anonymous on August 6, 2007
  16. math

    I have to find the area of a kite. I am only given part of the longest diagonal (12 cm) and half of the other diagonal (9 cm). I know the formula is diagonal 1 times diagonal 2 times 1/2. I have the length for one diagonal which is 18 cm b/c 9+9. How can

    asked by maya on May 11, 2014
  17. Algebra

    A grocer mixes together some cashews costing 8$ per kilogram with some nuts costing 10$ per kilogram. The grocer sold 12 kg of the mixture for 8.50$ per kilogram. How many kilograms of cashews were in the mixture? I have to find 2 equations then find the

    asked by Rebekah on November 16, 2009
  18. programming

    Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the results. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.

    asked by Anonymous on March 31, 2013
  19. Physics

    A rifle with a weight of 40 N fires a 4.0 g bullet with a speed of 300 m/s. (a) Find the recoil speed of the rifle. m/s (b) If a 650 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. m/s

    asked by Amy on November 6, 2010
  20. programming concepts

    Input a list of positive numbers ( terminated by 0) into an array, find the mean ( average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a sub-program to output the result.

    asked by marian on March 27, 2015
  21. Physics

    A object-spring system oscillates with an amplitude of 3.8 cm. If the spring constant is 210 N/m and object has a mass of 0.50 kg, find the maximum speed of the object. I already have the mechanical energy of the system. How do I find the maximum speed?

    asked by Chris Adison on April 9, 2008
  22. math (geometry EAT thereom)

    i understand that in the EAT thereom the sum of the inside angles equal to the outside angle.. in my homework i have to find the angle of a inside angle, and it gives me 2 outside angles that are 130 degrees and 120 degrees, how do i find the inside angle

    asked by student on January 10, 2011
  23. Maths Probability

    Consider a Markov chain X0,X1,X2,… described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. Find the probability that X2=3. P(X2=3)= - unanswered Find the probability that the process is in state 3

    asked by Anonymous on May 15, 2014
  24. Probability

    Consider a Markov chain X0,X1,X2,… described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. Find the probability that X2=3. P(X2=3)= - unanswered Find the probability that the process is in state 3

    asked by qwerty on May 26, 2015
  25. physics!!

    A flight attendant pulls her 70.0 N flight bag a distance of 263 m along a level airport floor at a constant speed. The force she exerts is 41.0 N at an angle of 52.0° above the horizontal. (b) Find the work done by the force of friction on the flight

    asked by brittany on April 15, 2010
  26. science check my answers?

    A car travels around a circular turn of radius 50 meters while maintaining a constant speed of 15 m/s. Find the minimum value for the coefficient of friction necessary to keep the car on the road. I got .40 for the minimum value of friction. In icy

    asked by Ryan on January 11, 2014
  27. Math

    Hey People!! I need the answers to these questions really bad!!! OK so here we go.... Which side lengths form a triangle that is similar to triangle ABC? 30, 21,45 20, 14, 28 40,30,60 17,20,25 Find the missing length for the pair of similar figures. 1.125m

    asked by Trinity on November 5, 2014
  28. GEOMETRY PLZ HELP ASAP

    A plane is located at C on the diagram. There are two towers located at A and B. The distance between the towers is 7,600 feet, and the angles of elevation are given. a. Find BC, the distance from Tower 2 to the plane, to the nearest foot. b. Find CD, the

    asked by NEED HELP on March 18, 2018
  29. Physics

    A bullet of mass 20gm penetrates a board of thickness 10cm and mass 1kg at rest. If the board is free to move,find the thickness to which the bullet will penetrate. I used conservation of momentum to find the combined velocity of bullet and the board in

    asked by Anirudh on December 31, 2016
  30. Physics

    A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 32 m/s . Part A Assuming that air resistance can be ignored, find the initial speed of the rock.

    asked by Amanda on November 9, 2015
  31. Economics

    Suppose a perfectly competitive firm has a cost function described by TC = 100 + Q2 The industry price is $100. a. Find the profit maximizing level of output. b. Is this a short-run or long-run situation? How do you know? c. Assuming that this firm’s

    asked by hiten on November 29, 2010
  32. statistics

    A researcher finds that two continuous, random variables of interest, X and Y, have a joint probability density function (pdf) given by: f(x,y)={cxy 0

    asked by sana on November 13, 2014
  33. Chemistry

    when 5.0g of KOH is added to 100mL, of water, the temperature of the solution increases by 3 degrees celsius. Assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/g K. a. calculate the amount of heat

    asked by danielle on March 27, 2012
  34. physics

    A 120-V motor has mechanical power output of 3.20 hp. It is 81.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor. Answer: 24.6A (b) Find the energy delivered to the motor

    asked by iva on May 2, 2011
  35. statistics

    A researcher finds that two continuous, random variables of interest, X and Y, have a joint probability density function (pdf) given by: f(x,y)={cxy 0

    asked by lee on November 13, 2014
  36. PHYSICS : )

    A flight attendant pulls her 69.1 N flight bag a distance of 280 m along a level airport floor at a constant velocity. The force she exerts is 32.7 N at an angle of 50.2◦ above the horizontal. Find the work done by the force of friction on the flight

    asked by Jay on October 18, 2008
  37. Math

    An airplane flying into a headwind travels the 2800 mile flying distance between two cities in 4 hours and 40 minutes. On the return flight, the same distance is traveled in 4 hours. Find the air speed of the plane and the speed of the wind assuming that

    asked by Caleigh on May 23, 2014
  38. algebra

    the cube root of the volume of a cube gives the length of one side of the cube. volume=343cm cubed a. find the side length of the cube shown b. find the area of each face of the cube i have no idea how to do this!

    asked by amanda on September 7, 2008
  39. College algebra

    Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers f(x)=9x^4+28x^3+66x^2+196x+21 Find the real zeros of f Use the real zeros to factor f f(x)=

    asked by Alex on May 14, 2013
  40. physics

    The earth orbits the sun once every 365.24 days. The distance between the earth and sun is 1.49x 10^8 Km. The mass of the earth is 5.96 x 10 ^24 kg. A) Find the magnitude in newtons of the centripetal force acting on the earth. The mass of mars is 6.56 x

    asked by ED on October 12, 2011
  41. math student loan

    Find the interest that accrues in a 30 day month, find the total amount of interest that will accrue before the regular payments begin using the 30 day month Find the interest that accrues in a 30 day month, find the total amount of interest that will

    asked by Pearl on April 18, 2016
  42. accounting

    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 Accounts receivable . . . .

    asked by Bonnie on May 19, 2009
  43. probability

    Problem 2: Oscar's running shoes Oscar goes for a run each morning. When he leaves his house for his run, he is equally likely to use either the front or the back door; and similarly, when he returns, he is equally likely to use either the front or the

    asked by RVE on May 14, 2015
  44. Logistics

    supply chain management case analysis Dream Beauty Company questions and answers Can't find questions to this case analysis anywhere. Professor gives the case analysis ahead of time but doesn't give questions or answers and we have to read it and hope we

    asked by Ashley on May 2, 2010
  45. Math (Calculus) (mean value theorem emergency)

    Consider the graph of the function f(x)=x^2-x-12 a) Find the equation of the secant line joining the points (-2,-6) and (4,0). I got the equation of the secant line to be y=x-4 b) Use the Mean Value Theorem to determine a point c in the interval (-2,4)

    asked by Ray on November 19, 2016
  46. math

    A 4 ft spring measures 8 ft long after a mass weighing 8 pounds is attached to it. the medium through which the mass moves offers a damping force numerically equal to sqrt.2 times the instantaneous velocity. Find the equation of motion if the mass is

    asked by pam on February 26, 2012
  47. Chemistry

    I just completed a titration lab and the balanced equation is (8H^+)+MnO4^- + 5Fe (^2+) ---> Mn + 4 H20 + 5 Fe(^3+) I'm supposed to calculate the moles of permanganate, Fe^2+ and the mass of iron from the sample. The volume of permanganate is 33.5, and the

    asked by Sven on September 3, 2007
  48. English

    1. Who protect our country from them? 1-2. Who protects our country from them? (Which one is correct? Are both grammatical?) 2. There is a book shop at the corner. 2-1. There is a bookshop at the corner. (Which one is right?) 3. Jenny is a female name, and

    asked by John on October 28, 2008
  49. physics

    A ball is kicked from ground level so thta is intiial velocityis 10ms-1 AT AN angleof 60 degrees above the horizontal. It hits a wall which is at a distance of 8m from the initial position of the ball a)show that the ballhits the wall 1.6s after it was

    asked by 0ooooooooo0 on September 28, 2017
  50. math

    a particle M oscillators (that is, moves back and forth) in a straight line along the horizontal axis. the position of M is given by: s(t) = 4 + 2 sin(2t) (1) Find the velocity (v) and acceleration (a) functions. (2) Find the initial position, initial

    asked by memo on August 13, 2011
  51. physics

    A particle A of mass 2kg lies on the edge of a table of height 1m. It is connected by a light inelastic string of length 0.7m to a second particle B of mass 3 kg which is lying on table 0.25m from the edge. If A is pushed gently so that it starts falling

    asked by Prabhjot on October 25, 2011
  52. phy

    A 3.50 kg block on a smooth tabletop is attached by a string to a hanging block of mass 2.80 kg. The blocks are released from rest and allowed to move freely. 1-Is the tension in the string greater than, less than, or equal to the weight of the hanging

    asked by ivan on July 18, 2011
  53. calc

    Suppose the total cost, C(q), of producing a quantity q of a product is given by the equation C(q) = 5000 + 5q The average cost per unit quantity, A(q), equals the total cost, C(q), divided by the quantity produced, q. Find the limiting value of the

    asked by kyle on February 8, 2010
  54. critical thinking

    Where would I find newspaper editorial that are fallacies. Where would be a good place to look for opinion magazine. On the Editorial Page of any newpaper you will find articles and letters that will contain fallacies. In addition, any opinion piece in

    asked by GIGI on March 29, 2007
  55. Calculus Part 2

    y = tan(sqrtx) Find dy/dx. So I found it and I got the answer as sec^2(sqrtx) but the answer is (sec^2(sqrtx))/2(sqrtx)...why? ---------------------------------- 2) Find the line which passes through the point (0, 1/4) and is tangent to the curve y=x^3 at

    asked by Samantha on November 4, 2008
  56. Math

    16) Consider the function f(x)=2x3−6x2−90x+5 on the interval [−6,7]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists at least one c in the open interval (−6,7) such that f′(c) is

    asked by Hailey on October 20, 2014
  57. Chemistry

    To calculate the percent error you would use the error in measurement divided by accepted value times 100 correct? So for an experiment in which you had to find the concentration of a dye in a powdered drink solution, to find the percent error would you

    asked by Hannah on October 12, 2011
  58. Math - Trig

    1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the

    asked by McKenna Louise on November 27, 2013
  59. Mechanics M1

    A child is splaying with a toy aero plane. the aero plane is flying with velocity (6i + 2j)m/s. A breeze begin to blow with velocity 0.5j m/s affecting the motion of the aero plane. a) find the magnitude of the resultant velocity of the plane b) find the

    asked by Jat on March 6, 2012
  60. statistics

    the five number summary of the distribution of scores on a statistics exam is 0 26 31 36 50 316 students took the exam. the histogram of all 316 scores was approximately normal. Thus the variance of test scores must be about I know about subtracting 26-31

    asked by Anonymous on September 23, 2019
  61. Probability

    Consider a Markov chain X0,X1,X2,É described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. 1recurs p=.75 1to 2 p= .25 2to 1 p = .375 2 recurs p=.25 2 to 3 p = .375 3 to 2 p = .25 3 recurs p = .75 Find the

    asked by annonimous on May 20, 2014
  62. English

    Do you know the origin/ history of 'go to the movies'? Long ago, I found the following somewhere on the Internet. - In the beginning, two movies were shown to people. So they started to use the expressions, "Let's go to the movies." It means, "Let's go to

    asked by rfvv on April 25, 2018
  63. Physics

    Can you explain the solutions steps by steps? Because i really don't understand when i revise it now. Thanks. The lines CA & CB are lines of greatest slope of two smooth fixed planes that intersect in a horizontal line through C. AB is horizontal & 5 m

    asked by Qi on September 29, 2008
  64. trig

    N 5 22x2 1 76x 1 430 Use the equation to find N for each year in the table. (b) Discuss how well this equation approximates the data. (c) Rewrite the equation with the right side completely factored. (d) Use your equation from part (c) to find N for each

    asked by mmmm on July 1, 2011
  65. geography

    what is the population of the state nevada Thank you for using the Jiskha Homework Help Forum. Here is a site with the population of 2005. If you can find a more current Atlas, you might find a more current number:

    asked by Sifa on March 8, 2007
  66. Sampling Distribution

    Sampling Distribution Complete solutions and illustrations are required. 3.The mean systolic blood pressure of normal adults is 120 millimeters of mercury (mm Hg) and the standard deviation is 5.6. Assume that the variable is normally distributed. a.If an

    asked by Dre on February 27, 2013
  67. Physics

    A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.20km,1.20km), and 1.16s later its has moved to point B with coordinates (6.08km, 0.900km ). a) find the x comonent of it average velocity between A and B.

    asked by Amy on January 22, 2012
  68. Calculus

    1. In a certain country, the percentage of the population relocating to a new town is given by the following function: p(t) = 20.6e^-0,009t,where 0 _< t _< 52. Time is zero (t = 0) corresponds to the year 1960. 1. Find the rate at which people relocated

    asked by Deeno on April 9, 2013
  69. Trigonometry

    Find the distance from the ladder to the base of the slide, marked with an x in the diagram. Give your answer accurate to one decimal place. The height of the right angle triangle is 4 m, the hypotenuse is 7 m and the missing variable is on the bottom

    asked by Michael on February 22, 2018
  70. Customs in English Conversation

    Hello, First of all, I thank you for helping me to better understand my vocabulary last night. I looked at the definitions that you gave me, Writeteach, and after talking about them with one of my American friends I am confident now that I understand all

    asked by Kung Li on March 29, 2007
  71. Python: Creating function

    The value of the inventory of a particular book is the price of that book times the number of copies we have in stock. Write a function called inventory_value that takes a Book as its argument and returns the value of our inventory of that book. Then write

    asked by Student on January 24, 2014
  72. science

    From a top a building is 20 m tall, you launch a projectile up at an angle of 30 degrees to the horizontal. You launch at 80 m/s find a) the total time in flight, b) the hightest point reached above the building, and c) distance between the landing point

    asked by randy on November 2, 2006
  73. Statistics

    Fortune magazine publishes an annual issue containing info on Fortune 500 companies. The following data show the six states with the largest number of Fortune 500 companies as well as the number of companies headquartered in those states. State # of

    asked by Frank on January 18, 2007
  74. Writing

    I'm writing a story from the point of view of an assassin. I'm comfortable with writing the parts about killing and all of that other stuff, but I have no idea how to go about this assassin's main job: tracking. How can he track down a person (in a world

    asked by Me on January 1, 2014
  75. algebra

    Could someone show me how to solve this joint variation problems? Y varies jointly as x and y and inversely as w. Write the appropriate combined variation equation and find z for the given values of x, y and w. z=15 when x equals three, y equals four, and

    asked by Juliette on December 8, 2008
  76. Math

    I need help with this problem: If N= {1,2,3,4,....}, A= {x/x=2n-1, n E N}, B={x/x=2n, n E N}, and C= {x/x+2n +1, n=0, or n E N}, find the simplest possible expression for each of the following: a. A U C b. A U B - the U stands for union c. A (intersects) I

    asked by Avery on September 17, 2006
  77. Physics

    A 0.18 kg point mass moving on a frictionless horizontal surface is attached to a rubber band whose other end is fixed at point P. The rubber band exerts a force F = bx toward P, where x is the length of the rubber band and b is an unknown constant. The

    asked by Jessica on November 4, 2010
  78. Physics

    A model rocket is launched at 62 degrees above the horizontal with an initial speed of 28m/s. the rocket travels for 4.5s along its initial line of motion with a constant acceleration of 13 m/s^2. At this time, the engine of the rocket stops and the rocket

    asked by Bethany on September 21, 2016
  79. English ASAP

    Can you please explain exactly the meaning. What does this poem mean and how does it relates to people decision. I need to write an essay about it. Whatever we do, whether we light strangers’ cigarettes—it may turn out to be a detective wanting to know

    asked by Meena on June 29, 2013
  80. Chemistry

    Hi Please help Initial [Fe3+] = 0.00050 M Initial [SCN-] = 0.0010 M Equilibrium [Fe(SCN)2+] = 5.7 x 10-5 Find [Fe3+]E and [SCN-]E (in mol/L) Find K. Balanced equation is: Fe3+ + SCN- -> Fe(SCN)2+ (reversible) I know I can get K if I have the equilibrium

    asked by Sara on February 3, 2011
  81. Algebra

    I am supposed to write the standard equation of the parabola with the directrix x=1, and the vertex 6,2. I got y-6=1/4p(x-2)^2. Is this correct? I am supposed to graph y+3=-1/12(x-1)^2. I tried to find p, and I got 36. I don't think this could be correct,

    asked by Natalia on November 29, 2008
  82. Math

    I am stuck on D and E and could someone tell me if I am on the right track with A-C? Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation:

    asked by Anonymous on June 18, 2008
  83. physics

    A person jumps from the roof of a house 4.0- high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.74. 1)If the mass of his torso (excluding legs) is 40 , find his velocity just before

    asked by Austin on September 29, 2010
  84. Maths

    A curve has equation y = 10 + 8x + x^2 - x^3. X >= 0 a)Find the coordinates of the turning point. and show whether it is maximum or minimum. b) Hence, Find the area of the region bounded by the curve, the line y = 11x and the y axis? I manage to complete

    asked by kale on November 20, 2016
  85. Physics

    1. Find the pressure exerted on the ground (in psi) by a 250 lb person who is sitting on a chair whose 4 legs touch the ground with area of '1 by2' each. 2.a)A large 50 kg crate is at rest on level ground. Two people push on the crate. One pushes north

    asked by Fix30 on July 14, 2012
  86. physics

    A block of mass m = 3 kg is attached to a spring (k = 28 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 6 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

    asked by Angelina on March 28, 2012
  87. math

    I need help with this question. Write the equation of the line which contains the point)0, -3) and whose slope is 4. A general line equation can be written as y = mx + c, where m is the slope and c a constant. so we can write this as y = 4x + c

    asked by Taylour on April 18, 2007
  88. Algebra II

    Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)Which expression is equivalent to tan(theta)-(sec(theta))/(sin(theta))? A.)-cot(theta) B.)cot(theta) C.)tan(theta)-cot(theta) D.)tan(theta)-sec^2(theta) 2.)Find the exact value of:cos 375

    asked by HotMath on June 9, 2011
  89. Math/Statistics

    Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c)

    asked by Nora on May 29, 2013
  90. Math/Statistics

    Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c)

    asked by Nora on May 28, 2013
  91. Math

    Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c)

    asked by Nora 4 on May 30, 2013
  92. Documenting a website for research paper

    I cant find it in my text book, can someone tell me how you document a website for the bibliography. also in parenthetical foot note things in the paper do you just use the author of the website? oh also, if the site doesnt tell the author??? (Broken Link

    asked by Jonathan on July 2, 2007
  93. Physics

    A cable exerts a constant upward tension of magnitude 1.82 ✕ 104 N on a 1.60 ✕ 103 kg elevator as it rises through a vertical distance of 2.90 m. Find the work done by the tension force on the elevator (in J). Find the work done by the force of gravity

    asked by Anonymous on October 12, 2018
  94. physical

    a crate rest on a ramp that makes an angle of tangent with the horizontal.the coefficient of kinetic friction is 0.35 and the coefficient of static friction is 0.45.the inclination of the ramp is slowly increased.(a)find the angle at which the crate starts

    asked by kim on September 6, 2012
  95. Calculus I, differentiation

    The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6 million people in the population, who hear the rumor eventually. If 5% of them heard it on the first day, find the percentage of

    asked by Brian on February 24, 2013
  96. Math

    a) Subtract -6 Find the opposite Add -2 Subtract -4 Find the opposite The answer is -5 The original integer is_____ b) Add +14 Add -5 Find the opposite Subtract +6 Add +3 The answer is 0 The original integer is ____ I need help. Thank you!

    asked by Miley on February 2, 2011
  97. Another astronomy (algebra-based physics) question

    I’d prefer thorough solutions, but if you can only provide formulas that would solve each part of the problem, that’d be helpful too :-) Thanks! Spinning too fast The rate of rotation of astrophysical objects that are held together by gravity (e.g.,

    asked by Mark on March 4, 2009
  98. Physics

    A 15 kg box is given an initial push so that it slides across the floor & comes to a stop. If the coefficient of friction is .30, A) Find the Ffr Fg=mg=Fg=15(9.8)=147N Ffr=mu(Fn)- Ffr=.3*147N=44.1N B)Find the acceleration. Hint: what is the net force as

    asked by Kayla on May 1, 2017
  99. physics

    A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m. block is slowly displaced horizontally by .10m. find total work done to displace block vertically and horizontally. Then find total work to lift block and move it

    asked by Ray on February 16, 2014
  100. Calculus

    For the function below, determine the intervals of concavity: f(x)=xlnx I tried doing it but the second derivative would always be f''(x)=1/x, so it would be concave up at x>0 and concave down at x

    asked by Isabella on January 10, 2016

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