1. Calculus

    Let f be the function given by f(x)=(x^3)/4 - (x^2)/3 - x/2 + 3cosx. Let R be the shaded region in the second quadrant bounded by the graph of f, and let S be the shaded region bounded by the graph of f and line l, the line tangent to the graph of f at

    asked by Jessy152 on February 27, 2013
  2. chemistry

    Water can be decomposed to hydrogen and oxygen. How many grams of water must decompose to yield 24.0L og gases at 1.00atm and 25 degrees C? I used n=PV/RT to find 0.981 moles of gases. I then took the ratio of O2 to H2 to find the moles of oxygen compared

    asked by TJ on December 8, 2011
  3. Calculus

    A particle moves along the x-axis with velocity v(t) = -(t-3)² + 5 for [0,6]. a) Find the average velocity of this particle during the interval [0,6]. b) Find a time t* ∈ [0,6] such that the velocity at time t* is equal to the average velocity during

    asked by Erica on October 10, 2011
  4. Math

    Can someone steer me in the right direction? Here's the question. 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

    asked by Cathy on October 20, 2009
  5. math

    if two polygons are similar,how can you find the scale factor from one polygon to the other?show specific examples.describe how you find the scale factor from the smaller figure to the enlarged figure.then,describe how you find the scale factor from the

    asked by chemiii on November 15, 2006
  6. Math

    The line has equation y=2x+c and a curve has equation y=8-2x-x^2. 1) for the case where the line is a tangent to the curve, find the value of the constant c. 2) For the case where c = 11, find the x-coordinates of the points of intersection of the line and

    asked by Confused by Math on September 20, 2016
  7. CJS/240

    Will someone please help me find a website to find the answers to the following? Write a 350- to 700-word paper comparing and contrasting the role of the defense counsel with that of the prosecutor. Include an explanation of prosecutorial discretion and

    asked by Meka S on September 4, 2012
  8. Pre Calculus 12

    Graphing trigonometric functions A sinusoidal function has a maximum at (2,10) and its next minimum (5,-2) find an equation that represents this situation A sinuosoidal function has a zero at (5,0) and its next minimum is (7,-4). find an equation that

    asked by Shreya on January 23, 2013
  9. Math

    Hi, I wanted to know how wanted to know if i was doing this step right for my homework. the question is Given rt=

    asked by Sukhpreet on June 27, 2006
  10. Math

    Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged $1,000 to a credit card that has a minimum payment each month equal to the interest

    asked by Anonymous on October 24, 2014
  11. Math please check

    L1=P1(1,3,5) and P2(4,5,2) L2=P4(-1,6,-3) and P3(points not given) a. Find the equations of lines L1 and L2. P3 is the midpoint of L1, that is, u=0.5 at P3. P(u)=P1 + u((P2-P1) 0 which is less than or equal to (u)which is less than or equal to 1. L1= P(u)=

    asked by Mary on October 1, 2008
  12. calculus

    1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a

    asked by Yuri on March 25, 2012
  13. Math repost (please check)

    L1=P1(1,3,5) and P2(4,5,2) L2=P4(-1,6,-3) and P3(points not given) a. Find the equations of lines L1 and L2. P3 is the midpoint of L1, that is, u=0.5 at P3. P(u)=P1 + u((P2-P1) 0 which is less than or equal to (u)which is less than or equal to 1. L1= P(u)=

    asked by Mary on October 1, 2008
  14. Calculus

    1. a) For the Function and point below , Find f’(a). b) Determine the equation of the line tangent to the graph of f at (a,f(a)) for the given value of f(x) = 4x2+2x, a =1 F’(a) = y = 2. For the function find f’ using the definition f’(x) =

    asked by Tired on February 11, 2012
  15. Math

    L1=P1(1,3,5) and P2(4,5,2) L2=P4(-1,6,-3) and P3(points not given) a. Find the equations of lines L1 and L2. P3 is the midpoint of L1, that is, u=0.5 at P3. P(u)=P1 + u((P2-P1) 0 which is less than or equal to (u)which is less than or equal to 1. L1= P(u)=

    asked by Mary on October 2, 2008
  16. Calculus

    1. a) For the Function and point below , Find f’(a). b) Determine the equation of the line tangent to the graph of f at (a,f(a)) for the given value of f(x) = 4x2+2x, a =1 F’(a) = y = 2. For the function find f’ using the definition f’(x) =

    asked by Tired on February 11, 2012
  17. calculus

    1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a

    asked by Yuri on March 25, 2012
  18. physics

    A 6.25-gram bullet travels at 365 m/s. It hits and enters a 4.50-kg crate. The crates slides 0.15m along a floor until it comes to rest. Find the friction force between the crate and the floor I used p=mv to get momentum and got 2.28125 N•s I calculated

    asked by Anonymous on October 15, 2017
  19. math

    2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

    asked by Olive on March 22, 2016
  20. math

    2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

    asked by Olive on March 22, 2016
  21. finance concepts

    Sue and Tom Wright are assistant professors at the local university. They each take home about $40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 13 and 11. Were either one to die, they estimate

    asked by Anonymous on April 12, 2008
  22. physics

    A ring fixed to a support at the top is hanging vertically. A bead of mass m slides through the ring and is connected to the support through a spring of stiffness k as shown in the figure-1. The length of the unstretched spring is almost negligible. Note

    asked by nain abbas on December 30, 2011
  23. chemistry

    Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) -> NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the

    asked by Sara on April 15, 2011
  24. physics

    A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the horizontal. The block is displaced 37.8m. The coefficient of kinetic friction is .171. Acceleration is 9.8 m/s^2. Find the work

    asked by jay on February 5, 2018
  25. physics

    A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the horizontal. The block is displaced 37.8m. The coefficient of kinetic friction is .171. Acceleration is 9.8 m/s^2. Find the work

    asked by jay on February 4, 2018
  26. Physics

    A perforated bead of mass 37g moves on a frictionless horizontal circular track of radius R=0.65m. The track runs through the bead. When the bead is at rest in the horizontal position, it is tied to a spring at the centre of the track. The unstretched

    asked by Anonymous on October 20, 2013
  27. Calculus

    If a ball is thrown in the air with a velocity 44 ft/s, its height in feet t seconds later is given by y = 44t - 16t2. (Round your answers to one decimal place.) (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second.

    asked by Ethan on January 17, 2011
  28. Calculus

    Consider a hemispherical bowl with a radius of 12 cm. The bowl contains water to a depth of 9 cm. The density of the water at any point x cm below the surface of the water is given by 2e^(0.15x) g/cm^3. A. Find the volume of the water in the bowl. B. Find

    asked by Roy on May 15, 2018
  29. Math

    Can someone walk me through these becuase I'm just not getting it.... Let f(x)= 3 x 4^x. A.) 16f(x)= f(x+2) B.) f(x)= f(x-1) The quickest way to answer this question is to try different test values for x. My favorite was the number 13. Set x to 13, and see

    asked by Nicole on August 29, 2006
  30. BIOLOGY

    Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5’ You also

    asked by Bidex on November 8, 2013
  31. biology

    Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5’ You also

    asked by Anonymous on May 2, 2013
  32. Math

    Formula given: The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the power of 12) where I is the intensity of sound in watts per square metre. a) Find the number of decibels of sound produced by a jet

    asked by Donna on February 16, 2014
  33. statistics

    1.a person selects a card from a deck .it is a red card ,he wns 1$.if it is black face card between or including 2 and 10,he wins $5.if it is black face card,he wins $10 and if it is black ace,he wins $100.find the expectation of the game is to be fair?

    asked by Maro on December 3, 2011
  34. physics

    Erica throws a ball out of a window with a horizontal speed of 3.8m/s. If the ball hits the ground 15m away, how high up is the window? My work: X-direction v1x=3.8m/s v2x=3.8m/s a=0m/s2 d=15m y-direction I don't know how to find the initial and final

    asked by anisa on November 3, 2014
  35. Technology

    1. What is the term for the various items that you save on your computer, such as documents, spreadsheets, images, or videos? A.extensions B.files (my answer) C.folders D.conventions 2. What does a file extension tell you? A. what the file is about B.

    asked by 0~0 on January 14, 2019
  36. accounting

    Did I do any of this right and how do I figure Retain earnings (where does net income and dividends come from? Cash .05($1,150,000) = $57,500 Accounts Receivable .15($1,150,000) = $172,500 Inventory .25($1,150,000) = $287,500 Fixed Assets .40($1,150,000) =

    asked by A.W. on June 10, 2009
  37. Geography

    #49. It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. I'm not sure if I've posted this up already, but here's what

    asked by y912f on February 22, 2010
  38. axia crt/205

    can someone help me to identify the fallacies and rhetorical devices in this article? While the U.S. government's 2008 bailout of failing banks flies in the face of the nation's capitalist principles, it is a necessary evil. Without shoring up these

    asked by joe on October 30, 2010
  39. Consumer Math

    The math lesson I am currently working on is "Income Tax Return 1040EZ" I need a certain table to figure out the problems, that table is not given. In the lesson it says to "Use the current Tax Table supplied by your local IRS to find the tax liability". I

    asked by Josh on February 28, 2011
  40. Government

    Im supposed to find an article from this summer (June- August 30) on how the Democratic or Republican party is trying to influence or control the governmental action then write about it. Please help me find an article. ( I've already did 9 on different

    asked by Sarah on September 6, 2010
  41. Physics

    Cosmic microwave background radiation fills all space with an average energy density of 4 x 10^-14 j/m^3.(a) Find the rms value of electric field associated with this radiation.(b) How far from a 7.5 kW radio transmitter emitting uniformly in all direction

    asked by Sandhya on April 17, 2009
  42. trig

    A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 4 mi apart, to be x = 27° and y = 53°, as shown in the figure. (Round your answers to two decimal places.) (a) Find the distance of the plane from point

    asked by stellar on September 30, 2011
  43. algebra

    Find the coordinates of the points of intersection of the graph of y=13−x with the axes and compute the area of the right triangle formed by this line and coordinate axes. can u guys plz find answer + explain this problem is really hard and confusing 2

    asked by allie on October 12, 2016
  44. Technology Education

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum

    asked by Estephania on January 18, 2016
  45. Technology

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum

    asked by Estephania on January 18, 2016
  46. math trigono

    1. If tanθ = –√3 , what is the value of cot ? 2. Find the value of 3sec2.4. (Round to the nearest tenth.) 7. if θ is a standard position angle and cotθ = 1.85, in which quadrant(s) could θ lie? 14.if sinθ = -4/5 and tanθ = -4/3, what is

    asked by Stan on December 12, 2012
  47. math

    . Cimarron Homes Inc. purchased a snow plow for $57,000 and financed the full amount for 5 years at an annual simple interest rate of 9%. a. Find the interest due on the loan. b. Find the monthly payment

    asked by danielle on November 7, 2013
  48. math

    I was wondering if someone could help guide me with this problem.. math is my worst subject... I would appreciate it definately, thank you.. 3 1/5 divided by 7/8 x 2/3= I think I am making it too hard on myself... my first step would be to change the mixed

    asked by Anonymous on August 7, 2009
  49. 2nd Order linear ODEs

    I'm having trouble solving this problem: For the equation x^(2)y′′ - xy′ = 0 , find two solutions, show that they are linearly independent and find the general solution. Hint: Try y = x^(r). I divided the equation by x^(2) first to simplify it, and

    asked by Student on January 30, 2014
  50. Math

    Richard brought a new car for $39905. He made a down payment of $15000 and payments are $614 monthly for 4 years. At the end of 30 months he was able to payoff the loan using the Rule 78 a. Find he unearned interest b. Find the payoff

    asked by Petra on April 17, 2016
  51. calculus - what is the derivative?

    Let f(x) = 2x^2 + 1 a. Find the derivative f' of f. b. Find an equation ofthe tangent line to the curve at the point (1,3). c. Sketch the graph of f. *Can someone please help me? I have been trying to do my homework for some time now and I am stuck on this

    asked by B :) on September 21, 2008
  52. science

    What is a chaparral?Where can you find them? It's a biome of drought-tolerant shrubs. You find it in semi-arid deserts, particularly in California and Mediterranean regions. It is much of what burns when you see southern CA fires on TV. See

    asked by Brittany on October 22, 2006
  53. Geometry

    Help please I'm stuck in this 3 problems. 1.Find the center and radius of the circle (x - 1)2 + y2 = 36 2.Find the distance between the two points. Round an approximate result to the nearest hundredth(8, 0) and (0, 6) 3.Give the equation of the line that

    asked by Lisa on September 6, 2009
  54. MATH

    1. Find the decimal equivalent of the mixed number.11 1/4 A~ 11.25? 2. Divide by moving the decimal point. 8.9 / 10 TO THE POWER OF 2 A~0.089? 3.A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent.

    asked by A~ on September 20, 2009
  55. MATH

    1. Find the decimal equivalent of the mixed number.11 1/4 A~ 11.25? 2. Divide by moving the decimal point. 8.9 / 10 TO THE POWER OF 2 A~0.089? 3.A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent.

    asked by A~ on September 20, 2009
  56. GEOMETRY

    A. A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. B . Find a relationship between the areas of triangle ADC and parallelogram ABCD this is our assignment for tomorrow . . its geeting late please help

    asked by Barbie Lee on October 22, 2013
  57. Physics

    A roller coaster cart travelling due north at 20m/s that turns left during an interval of 4.0s without changing speed. Find the average acceleration. I understand the mathematics behind it (using pythagoras's theorem to find velocity and the formula

    asked by Annie on March 17, 2013
  58. English

    Can you help me check this letter, please? 1) teach German in a high school with an emphasis on applied sciences. Our students are between 13 and 18 years old and are all motivated to learn. 2) They will therefore go to university at the end of 3) The

    asked by Henry2 on September 30, 2011
  59. Challenge and Change

    I'm trying to find an answer to this question.. Search and find three other contributors to the field of Marxist or neo-Marxist (new Marxist) research... I've been searching for hours with no luck!! Someone please help!

    asked by Kyle on February 17, 2008
  60. literature

    My assignment is to find two stories from the 19th century. But the stories have to be good enough to into a musical that my class will actually perform for my highschool. I was looking for some of the darker stories, but I don’t know were to find them.

    asked by lizi on February 27, 2008
  61. ITT

    use the eight step strategy to graph f(x)=-3x2-12x-5 find the vertex find x and y intercepts determine the number of points to graph graph the parabola

    asked by shan on March 4, 2015
  62. calculus help

    Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta - cos deta) Y= r(1- sin deta)

    asked by stan on August 26, 2010
  63. college allgebra

    f(x)=x^6+4x^5+4x^4+3x^3-x^2-5x+4 Find the maximum number of real zeros, and Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.

    asked by julez on October 29, 2011
  64. Calculus-HELP!!!

    Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1)

    asked by Sara on July 8, 2013
  65. Differential equations,Calculus

    So I have the following differential equation. The general solution I have is: t=k(-1/r)+c I now need to find the particular solution when t=0 and the radius (r) = 1cm. So k is a constant which is approx 3.9 (5/4pi) So for the particular solution im really

    asked by Anon on February 22, 2017
  66. algebra

    Abbi invested $1,200 in a certificate of deposit with a simple interest rate of 2%. Find the interest earned in 9 years. Then find the total of principal plus interest.

    asked by breanna on May 27, 2011
  67. Algebra 2

    Okay so I need help with basically how to find the domain, range, and how to solve if it says Find the value of f(3). Let the f function be defined by f(x) = the square root of x + 1 for -1 is less than or equal to x less than or equal to 3. And 4 - x for

    asked by Kendra on March 18, 2012
  68. Math

    . Given that x²cos y_sin y=0,(0,π). A. Verify that the given points on the curve. B.use implicit differention to find the slope of the above curve at the given point. C.find the equation of tangent and normal to the curve at that.

    asked by Abdullah11 on March 24, 2017
  69. trigonometry

    i am homeschooled so i don't really have a teacher teaching me one on one. so most of my help comes from here.thnks..can anyone help me on this. use identities to find the indicated function value. secA=5/4 and A in quadrant IV. Find tan A. A. -sqrt9/5 B.

    asked by mysterychicken on January 15, 2009
  70. Chemistry

    What is the activity coefficient of H^+ in a solution containing 0.073 M HCl and 0.0090 M Ca(ClO4)2? What is the pH of the solution? I believe I have to find the ionic strength of the solution first, but I don't know how to find it when 2 solutions are

    asked by Sam on February 4, 2013
  71. Christmas Island

    I need to know more about christmas island. I have research and i not getting any info on education and interesting fact in case want to live there permanent. I know about the crabs but cant find info if they bite. please help me find info, thanks.

    asked by #####rena on October 11, 2012
  72. STEVE or REINY-plz help!

    Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1) Thank you in advance for your help! =)

    asked by Elyse on July 8, 2013
  73. geomtry

    A diameter of a circle has endpoints P(-10,2) and Q(4,6) a. find the center of the circle. b. find the radius of your answer is not an interger express in radical form c. write an equation for the circle

    asked by gavin on May 22, 2015
  74. math

    Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.

    asked by new on February 12, 2018
  75. math

    Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 3%. Find the interest earned in 6 years. Then find the total of principal plus interest.

    asked by urgent on March 11, 2018
  76. GEOMETRY

    The diameter of a circle has endpoints P(–10, –2) and Q(4, 6). a.Find the center of the circle. b.Find the radius. If your answer is not an integer, express it in radical form. c.Write an equation for the circle.

    asked by HELP PLEASE! on May 30, 2012
  77. Algebra

    Abbi invested $1,500 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 6 years. Then find the total of principal plus interest.

    asked by Yaz on March 2, 2015
  78. Calculus 2

    find an equation to the curve at the point corresponding to the given value of the parameter. x = tcost y = tsint when t = π i know I am supposed to find dy and dx which is: dy = (product form) t*-sint + 1*cost simplifying = -tsint+cost dx = tcost+sint

    asked by Hanky on March 9, 2015
  79. physics

    A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal surface of length ℓ = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.357 and he exerts a

    asked by Ange on March 9, 2015
  80. AP Physics

    6. a)A 1260 kg car accelerates uniformly from rest to 4.65 m/s in 2.6 s. Find the work done on the car in this time.Answer in units of J. b)Find the average power delivered by the engine in the first 1.768 s. Answer in units of W. c)Find the instantaneous

    asked by jeff on February 26, 2011
  81. MATH-Stuck

    For each of the following, the Surface Area is given. Calculate the missing dimension. This is a rectangular prism with the width missing. The height seems to be 20 cm. The length I guess is 34 cm, and the Surface Area is 6020cm square. How do I find the

    asked by Anonymous on September 23, 2010
  82. English

    Can you please tell me if the following sentences regarding school rules are possible? Thank you. 1.You are not allowed to enter the school building after ten o’clock. 2.School starts at five to eight. Remember to arrive to school five minutes before

    asked by Franco on September 11, 2010
  83. Math

    How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to

    asked by Andrew on February 12, 2016
  84. English

    I'm posting you the sentences again. Thank you for your corrections. 1) I teach German in a high school with an emphasis on applied sciences. Our students are between 13 and 18 years old and are all motivated to learn. 2) They will therefore go to

    asked by Henry2 on September 30, 2011
  85. personal finance

    Sue and Tom Wright are assistant professors at the local university. They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that

    asked by andy on June 27, 2010
  86. Algebra, math

    how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x Cross multiply to find x. Here's the first one; perhaps you can try the second one on your own. 12/16 = x/20 16x = 240 Divide both sides by 16 to

    asked by Joe on April 9, 2007
  87. Probability

    Let X and Y be independent random variables, each uniformly distributed on the interval [0,2]. Find the mean and variance of XY. E[XY]= - unanswered   var[XY]= - unanswered Find the probability that XY≥1. Enter a numerical answer. P(XY≥1)= -

    asked by qwerty on May 26, 2015
  88. Geometry

    A diameter of a circle has endpoints P(-10, -2) and Q(4, 6). a. Find the center of the circle. b. Find the radius. If your answer is not an integer, express it in radical form. c. Write an equation for the circle. Can someone explain how to do this?

    asked by Ember Lovet on May 16, 2018
  89. analytic geometry/graphing problem

    The vertices of a triangle are the points of intersection of the line y=-x-1, x=2 and y = 1/5x + 13/5. Find an equation of the circle passing through all three vertices. I don't understand how to solve this: should I set them all equal to find the

    asked by Knights on March 19, 2013
  90. geometry

    This one is confusing me. please help The diameter of a circle has endpoints P(–10, –2) and Q(4, 6).Find the center of the circle.Find the radius. If your answer is not an integer, express it in radical form. Write an equation for the circle. Thanks

    asked by ryan on January 12, 2012
  91. maths

    The position vector of the point A(3,4) relative to an origin O is a. (a) Express vector a or (OA) in terms of i and j. (b) Find the magnitude of a. (c) Find the unit vector in the direction of a.

    asked by Shane on June 18, 2013
  92. Maths

    Find the sum of the following series: 1024 - 512 + 256 - 128 +...+ 1 So a = 1024, r = -0.5, but I need to know what n is in order to use the formula. So I tried ar^(n-1) which is: 1024(-0.5)^n-1 = 1 but I don't know how to find n from there. Thanks in

    asked by Rebecca on April 7, 2016
  93. Math homework help

    Use half angle identities to find exact value. Given tan theta = -sqrt 2 / 2 and theta lies in quadrant IV, find cos theta / 2.

    asked by Anonymous on May 7, 2014
  94. trig

    If (-2,5) is a point on the terminal side of an angle theta, find the exact value of the six trigonometric functions of theta. Then find the actual measure of theta.

    asked by Matt on May 27, 2010
  95. U.S History

    The federalists claimed that the war was ruining the ........? I can think of a lot of possible answers. Please check your book. I can't find it in my book. If I was able to find it in my book I wouldn't be posting for help obviously.

    asked by Anonymous on October 17, 2006
  96. Calculus

    Find a general solution to each first ¨C degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. dx/dt=¡Ì(x+t+1)

    asked by Elyse on July 6, 2013
  97. math

    1. If AC=60 what is AB ? 2.If AB=9x=17 and BC=4x+27 find the following x=_____ an AC=______ ? 3.If m ∠ABD=20 find the following measurements M∠CBE=____ M∠DBC=_____ M∠ABE=_____ M∠DBE=_______

    asked by joey on June 27, 2016
  98. Math

    A trapezium measures 9.5cm (b1) 17cm (b2) & 6cm (h). Now, divide the trapezium into a rectangle & a triangle to find their areas. Hence, find the area of the trapezium.

    asked by Austin on November 23, 2016
  99. maths

    A curve y has gradient Dy/dx=3x^2-6x+2a)if the curve passes through the origin find it equation b)Find the area of the finite region included between the curve in a)and the x-axis.?

    asked by POPPY on April 7, 2019
  100. Statistics

    find the range, interquartile range and 50th percentile of the following distribution. 20, 28, 10, 20, 19, 30. I got a range of 20, but I had forget find the remaining part of the question. Pls some one help me.

    asked by Sohmay on May 5, 2019

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