1. math

    The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R '(x) is measured in dollars/unit. (a) Find the daily total revenue

    asked by Ashton on November 30, 2012
  2. math

    1. A 120-day simple discount promissory note for $12,000 with a simple discount rate of 9% was signed on July 14. It was discounted on August 30 at 9.5%. Find the proceeds at the time of the sale. 2. 8. A $15,000 T-bill is purchased at a 3.85% discount

    asked by Fellippe on September 6, 2012
  3. Math

    The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following where R '(x) is measured in dollars/unit. R'(x)= -0.1x + 40 (a) Find the

    asked by Vanessa on April 10, 2014
  4. EXCEL 2010 (again)

    I am not allowed to use the AutoSum or AVERAGE functions to work out this problem. I need to find the average of a cell range. C3:C9 contains numbers (one cell contains zeros) the range adds up to 230. To find the average I need to use the information

    asked by Trinity on June 21, 2014
  5. Math

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis on October 7, 2013
  6. math

    The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R'(x) is measured in dollars/unit. R'(x)=-0.1x+40 (a) Find the daily

    asked by britney on December 7, 2012
  7. Physics

    A dock worker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 64 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 46 N is required to keep it

    asked by Bill on March 15, 2011
  8. Math help!! for finals

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis on October 7, 2013
  9. math

    The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R '(x) is measured in dollars/unit. R '(x)=-0.1x-40 (a) Find the

    asked by shannon on December 3, 2012
  10. math

    I'm having issues with understanding exactly how Expected Values work, I understand what they are, just not how to get them in all cases. One of the problems I'm having trouble is involves two teams that play a series of games and ends when one of them has

    asked by manny on August 16, 2007
  11. please help - area of a dodecagon?

    The distance between two opposite vertices of the dodecagon is 2. Find the area of the dodecagon. first, what is the area of a dodecagon and second how to find it with just the distance between two oppositve vertices. i found that a dodecagon can be

    asked by Knights on December 18, 2012
  12. Math

    Hi! Can someone help me with these? Thanks a bunch! :) 1.) Find the dot product. ∙ 2.) Find the dot product of u and v. u = v =

    asked by Heather on February 20, 2015
  13. Algebra

    f(x) = x2 + 2x - 9 find minimum or maximum value then find coordinates of the maximum or minimum value

    asked by Jodi on March 17, 2015
  14. MATHEMATICS

    If x>1 find the sum of infinity of x ^2/(x-1)+x+(x-1).... And also find the value of x for the given series TO HAVE THE SUM OF INFINITY

    asked by CHARLES BRONSON on March 6, 2014
  15. Math

    The following function f is one-to-one; find its domain and range. f(x) = 5 / x+3 Domain = x cannot be -3 Range= I do not know how to find this.

    asked by Hannah on November 4, 2010
  16. polygon

    the angles of pentagon are(3x+5)(x+16)'(2x+9)'(3x-8) and (4x-15) find the value of x? and hence find the measures of all the angles of pentagon?

    asked by Cabdirizak Cabdikarim on March 11, 2013
  17. Matrix, math

    A = 2 x 2 -1 0 0 -1 find n that A^n * B = C B = 2 x 1 0 1 C = 2 x 1 1 0 answer is 6, but I don't know why find A^2014 the answer is 0 1 -1 0 but I don't know why

    asked by Eva on January 16, 2018
  18. Calculus

    Let f(x)=cosxsqrt(1+sinx) A. If F(x)=the integral of f(x)dx and F(0)=5/3, find F(pi/2). B. If G(x)=the integral of f(x)sinx dx and G(0)=1/3, find G(x).

    asked by Anonymous on February 13, 2015
  19. Math Check

    Are my answers right? 1.) Find the remainder (x^3+2x^2+3x+4)/(x+2) My answer: 2 2.) Find the remainder (x-1)/(x^4-3x^2+2x-1) My answer: -1

    asked by Sofia on October 14, 2014
  20. calculus

    a)find the first partial derivatives of f(x y)= x √1+y^2 b)find the first partial derivatives of f(x,y)= e^x ln y at the point (0,e)

    asked by maria on March 11, 2012
  21. Math PLEASE PLEASE HELP ME

    1.Find the derivative of the function. f(t) = (1+squrt t)(8t^2-7) 2. Find the derivative of the function. f(x) = (x^3 - 4)/(x^2 + 4)

    asked by Anonymous on February 16, 2011
  22. Unit circle- finding terminal points

    Give t (3/5 , 4/5) How do I find the terminal points for pi-t Thanks Given t (3/5 , 4/5) How do I find the terminal points for pi-t Thanks

    asked by Jen on March 14, 2007
  23. Math

    Hi! Can someone help me with these? Thanks a bunch! :) 1.) Find the dot product. ∙ 2.) Find the dot product of u and v. u = v =

    asked by Heather on February 19, 2015
  24. science

    A 100 kg crate is pushed at constant speed up the frictionless 30 degree ramp by a horizontal force vector F. What are the magnitudes of a) vector F and b) the force on the crate from the ramp? I am not sure how to find part a. What would I need to do to

    asked by Chris on November 12, 2006
  25. Algebra Quadratic Functions

    HOW DO YOU DO PART TWO? The performer stands on a tightrope 3m above ground and theows a diabolo upwards. In each throw , the height (ym) of the diabolo above the ground after s seconds is given by y=-s^2+3s+4 1) Find maximum height that the diabolo can

    asked by Rose on August 8, 2016
  26. AP CHEM

    For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate

    asked by Gabe on February 25, 2008
  27. CHEMISTRY PLEASE HELP

    For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate

    asked by Gabe on February 25, 2008
  28. Calculus

    Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid. The diagonal

    asked by Mary on January 19, 2013
  29. Calculus

    SOS...help!!! please email me at 969e221 at g mail. com here is the question: Find the trapezoid of largest area that can be inscribed in the upper half of the ellipse x2/9 + y2/4 = 1 where the lower base of the trapezoid is on the x-axis and is 6 units

    asked by Buster on May 7, 2014
  30. Physics

    0.17 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 mass

    asked by Derek on November 3, 2010
  31. Computers

    1. What does the term "fair-use exception" mean? (1 point) to use only material that has never been published the ability to use material made by others for educational purposes an exception to copyright restrictions for images only Educational material is

    asked by Andre on February 3, 2015
  32. Chemistry, PPPLLEASE Help!

    Hello, I'm confused on what these problems are telling me. Is questions a) and b) the same? I don't know, please help me I don't know what to do... The inteconversion of DHAP and G3P is a part of both the glycotic pathway and the Calvin cycle for

    asked by Krissy on September 25, 2006
  33. Physics

    If the time (up and down) the ball remains in the air is 2.14 s, find its speed when it caught. The acceleration of gravity is 9.8 m/s^2 . Neglect air resistance. Answer in units of m/s If the time the ball remains in the air is 2.27 s, find the maximum

    asked by Naomi on June 28, 2015
  34. statistics

    A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $100. Assume that the variable is normally distributed. 5. Identify the population mean. 6. Identify the population standard deviation. 7. Find the

    asked by Cam on April 19, 2013
  35. history

    Hi, I wanted to now if anybody knows a website that has maps of Europe during World War because I looked on Google, and it did not have a map that I wanted. (Broken Link Removed) This is about as complete as I can find. I hope you find a map you can use in

    asked by Sarah on January 1, 2007
  36. calculus 1

    The point P(2,-1) lies on the curve y=1/(1-x) If Q is the point (x, 1/(1-x) find slope of secant line. these are the points 2, -1 1.5,2 1.9,1.111111 1.99,1.010101 1.999,001001 2.5,0.666667 2.1,0.909091 2.01,0.990099 2.001,0.999001 using the results from

    asked by feather on January 16, 2016
  37. Physics

    I have a graph where the horizontal numbers are 0-9 which represents time (s) and the vertical numbers are 0 to -4, -2, 0, 2, 4, 6, 8 which represents position(m). The question is: the position versus time for a certain object moving along the x-axis The

    asked by Deawn on September 4, 2013
  38. math

    Which of the following results in a sum or a product that is rational choose all that apply 3.12 x 1.4 √9 x √25 √2 x √3 4 + 5 n x 3 Molli purchased 9 apples for $3.96 molli divided $3.97 by 9 why my molli perform this calculation in order to find

    asked by jacob on September 5, 2018
  39. Statistics

    you roll two fair dice, a green one and a red one? (a) are the outcomes on the dice independent? (b)Find P(1 on green die and 2 on red die) (c)Find P(2 on green die and 1 on red die) (d)Find P(1 on green die and 2 on red die) or (2 on green die and 1 on

    asked by John on October 30, 2016
  40. Math

    Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.

    asked by Kasia Neil on September 30, 2010
  41. physics

    A +5.0-uC charge experiences a 0.48-N force in the positive y direction. If this charge is replaced with a -2.7-uC charge, find the magnitude of the force in this case Find the direction of the force in this case. help please i am confused

    asked by Cassie on January 13, 2011
  42. Math

    Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.

    asked by Kasia Neil on September 30, 2010
  43. Calculus AB

    A particle is moving along the x-axis so that at time t its acceleration is a(t)=ðcos(ðt) At time t=1/2, the velocity v of the particle is 1/2. Find the velocity of the particle at any time t. I think I got that right, as sinðt + C. Now it wants the

    asked by Savannah on January 20, 2012
  44. physics

    Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of

    asked by Kayla on July 24, 2011
  45. calculus

    No idea where to start The cost in dollars of producing x units of a particular camera is C(x) = x2 - 10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in

    asked by John on December 16, 2014
  46. algebra

    Researchers use formula f(t) = Pe^rt to model the population of fruit flies growing exponentially after t days. Measurements show that f(0) = 30 and f(5) = 1620 a) Find a function of the form f(t) = Pe^rt that models the fruit fly population after t days.

    asked by Anamaria on October 31, 2011
  47. physics

    A 2.20-kg ball, moving to the right at a velocity of +1.27 m/s on a frictionless table, collides head-on with a stationary 7.20-kg ball. Find the final velocities of (a) the 2.20-kg ball and of (b) the 7.20-kg ball if the collision is elastic. (c) Find the

    asked by S on October 12, 2014
  48. physics

    On a perfect fall day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward nor downward. The total weight of the balloon, including its load and the hot air in it, is 24000 N. Find the weight of the displaced air. I got the

    asked by Kristie on April 1, 2012
  49. physics

    On a perfect fall day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward nor downward. The total weight of the balloon, including its load and the hot air in it, is 24000 N. Find the weight of the displaced air. I got the

    asked by Kristie on March 31, 2012
  50. Trig

    Find cos(s+t) if cos s= -1/2 and sin t= 3/5, s and t are in quadrant II. I got the answer to be -4/10 plus -3sqrt(3)/10. Is that right? Then a second problem was find sin (s+t) if sin s=2/3 and sin t=-1/3, sin is in quadrant II and t in quadrant IV. I got

    asked by Anonymous on May 3, 2010
  51. math

    Find the mystery number im a number between 300 and 400 im divisible by 3 and 4 . but not 9 my tens digit is a square number the sum of the hundreds digit and the tens digit is a prime number. find the mystery number

    asked by tyler on November 8, 2011
  52. algebra based physics

    Two identical 20g particles each carry 4.0μC of charge. One is held fixed, and the other is placed 1.0 mm away and released. Find the speed of the moving charge when it's 1.0 cm from the fixed charge. Find the speed of the moving charge when it's 1.0 km

    asked by jrfannin on February 10, 2014
  53. physics

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 4.6 m/s. (a) In

    asked by Anonymous on November 3, 2008
  54. College Accounting

    A company had stock outstanding as follows during each of its first three years of operations: 2,500 shares of 10 %, $100 par, preferred stock and 50,000 shares of $10 par common stock. The amounts distributed as dividends are presented below. Determine

    asked by anonymous on February 22, 2010
  55. physics EM

    A 59.0 -turn, 4.10-cm-diameter coil with R = 0.530 {\Omega} surrounds a 1.70-cm-diameter solenoid. The solenoid is 21.0 cm long and has 170 turns. The 60 Hz current through the solenoid is I_sol = (.470A)*sin(2*pi*f*t). I guess f is the frequency. Find the

    asked by Spencer on April 7, 2008
  56. physics

    A block of a mass of 1 kg rests on the inclined surface of a wedge of a mass of 2.2 kg. The wedge is acted upon by a horizontal force F and slides on a frictionless surface. The acceleration of gravity is 9.81 m/s^2. If the coefficient of static friction

    asked by alexa on July 12, 2011
  57. Physics

    A uniform electric field exists in the region between two oppositely charged plane parallel plates. an electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 3.20 cm distant from the

    asked by Sarah on July 8, 2009
  58. physics

    How can I find kinetic friction (Fk) without mu? I know the normal force which is 201N. The mass of the object is 30kg. This is the full questions of it helps. I just don't understand how to find kinetic friction 1. If a 30kg object experiences a normal

    asked by Tina on June 22, 2011
  59. Math (Word Problems)

    Hello and I’m sorry, I was wondering how to solve this problem, it looked easy at first but it was really difficult to find the answer. Here’s the question: A recipe for 6 quarts of punch calls for 3/4 cups of sugar. How much sugar is needed for 9

    asked by Matthew on February 20, 2018
  60. physics

    Two forces, 422 N at 24 and 278 N at 29 are applied to a car in an effort to accelerate it. mass of the car is 3000kg Find the resultant of these two forces. Answer in units of N Find the direction of the resultant force (in relation to forward, with

    asked by Peter on November 12, 2011
  61. math ,correction

    Problem#1 Directions: Find the distance between each pair of points. (-3,0) and (4,0) My answer: d = 7 Problem #2 Directions:Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth. Points

    asked by jas20 on March 24, 2007
  62. Child Psychology

    I need help, could someone please check my answers to these five questions below. If I answered any that were wrong, please help me to identify the right answer. Thank you. 3. Even though her mother-in-law insists she is wrong, Danielle knows that which of

    asked by Sharon on July 20, 2011
  63. Physics

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 69.3-kg man just before contact with the ground has a speed of 6.94 m/s. (a)

    asked by john on October 28, 2015
  64. physics

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 68.5-kg man just before contact with the ground has a speed of 5.59 m/s. (a)

    asked by ben on October 23, 2012
  65. physics 1

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 88.1-kg man just before contact with the ground has a speed of 3.53 m/s. (a)

    asked by Anonymous on March 25, 2014
  66. Physics

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 60.8-kg man just before contact with the ground has a speed of 5.31 m/s. (a)

    asked by Drue on November 26, 2012
  67. Physics

    To move a large crate across a rough floor, you push on it with a force (F) at an angle of 21 degrees below the horizontal. Find the force necessary to start the crate moving, given the mass of the crate is 32 kg and the coefficient of static friction

    asked by blahblah on October 30, 2014
  68. chemistry

    Nitroglycerine decomposes according the the equation: 4C3H5(NO3)3 -> 12 CO2 + 10 H2O +6N2 + O2. 15.0 g of nitroglycerine is placed in a 500 ml flask at 25.0 C. The vapor pressure of water at this temperature is 23.8 mmhg. Find the total pressure in the

    asked by Ben on March 15, 2010
  69. Computer science C++

    3. After following statements have executed, find the value of the variable a. int a=5; while (a

    asked by Sara on February 13, 2018
  70. STATS

    Police records in the town of Saratoga show that 18 percent of the drivers stopped for speeding have invalid licenses. If 16 drivers are stopped for speeding (a) Find the probability that none will have an invalid license. (Round your answer to 4 decimal

    asked by Helen on October 30, 2010
  71. Math (Calculus II)

    Rate of change proportional to size: P(t)= P(i)e^kt, where P is population, t is time, k is a constant and P(i) is the initial p or "p naught"; sorry, I don't know the typed notation for subscript. By the way, p(i) is given as 100. The problems are a.)

    asked by John on September 4, 2010
  72. Math (Calculus II)

    Rate of change proportional to size: P(t)= P(i)e^kt, where P is population, t is time, k is a constant and P(i) is the initial p or "p naught"; sorry, I don't know the typed notation for subscript. By the way, p(i) is given as 100. The problems are a.)

    asked by John on September 5, 2010
  73. physics

    A point charge of 2.4 μC is located at the center of a spherical shell of radius 17 cm, which has a charge −2.4 μC uniformly distributed on its surface. Given: ke = 8.98755 × 109 Nm2/C2 . a)Find the electric field for all points outside the spherical

    asked by alex on September 19, 2011
  74. physics

    A car weighing 1.07 x 10^4 N is at rest on a 32.5° incline. Each wheel bears an equal part of the car's weight. Thus the axles apply a vertical downward force of 2.68 x 10^3 N to the center of each wheel. (a) Find the frictional force exerted by the road

    asked by Michael on April 27, 2010
  75. Applied Math- Gr.11

    A farmer wants to enclose three sides of a rectangular pasture unsing 1000 yards of fencing. The fourth side does not require fencing because it borders a river. What dimensions (length and width) should the farmer choose in order to enclose the greatest

    asked by Greg on May 1, 2008
  76. Algebra 2

    A sound wave is modeled with the equation . y=1/4cos 2pi/3treta a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? A- The period can not be found because

    asked by Ciaria on March 31, 2015
  77. Math

    A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the garden is sectioned off into six congruent rectangles. width-4yd

    asked by Matty on April 20, 2011
  78. maths

    A satellite travels around the earth in a circulsr orbit 700 kilometres above the earth's surface. Find the radius of the satellite's orbit if the radius of the earth is 6400 kilometres. Also find the distance traveled by the satellite in one orbit of da

    asked by Bendang on March 8, 2016
  79. Calculus

    A particle moves on a vertical line so that its coordinate at time t is 3 y = t − 12t+ 3, t≥ 0 . When is the particle moving upward and when is it moving downward? Find the distance that the particle travels in the first 3 seconds. I got that t=2 and

    asked by John on July 5, 2015
  80. calculus

    Consider the function f(x) = 1/x on the interval [ 4 , 11 ]. (A) Find the average or mean slope of the function on this interval. Average Slope =_______ (B) By the Mean Value Theorem, we know there exists a c in the open interval ( 4 , 11 ) such that f'(

    asked by sze on January 26, 2018
  81. math

    I've finished studying a full textbook on linear algebra and another on statistics. I've done most of the practice problems and I understand everything covered in these books very well. But I need to know more. Specifically, I'd like to understand more

    asked by mathstudent on April 25, 2008
  82. mATH ANSWERS

    1) If the odds in favor of an event A are 3 to 1, what is the probability associated with event A occurring? A) B) C) 4 D) Determine whether the situation calls for a discrete or continuous random variable. 2) The height of a randomly selected student. A)

    asked by KEL on June 10, 2011
  83. chocolate

    Does anybody know where I can find Willy Wonka Chocolate Bars? I've never seen it in any of the local grocery stores, I've only seen willy wonka nerds and other fruit candies. Never chocolate. I thought maybe I should look in the mall, But I looked in the

    asked by y912f on November 22, 2009
  84. Math

    In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ is not assumed to be a

    asked by John on November 30, 2016
  85. math/Finance

    I want to know the formula to use 1. A 120-day simple discount promissory note for $12,000 with a simple discount rate of 9% was signed on July 14. It was discounted on August 30 at 9.5%. Find the proceeds at the time of the sale. 2. 8. A $15,000 T-bill is

    asked by Janine on September 6, 2012
  86. English

    10. How does Algernon find out where Jack’s house in the country is located? He eavesdrops on Jack.--Is this correct? He has Lane find out. He steals Jack’s mail. Jack tells him. 11. What is Bunburying? Making up a fake identity to avoid debt

    asked by Ashley on January 22, 2013
  87. Math

    In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ is not assumed to be a

    asked by John on December 1, 2016
  88. Math

    Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose coordinates involve the unknown a . I got that which is x=2/(2a+1), y=(1+2a)/(2a+1)

    asked by SC on October 9, 2009
  89. Calculus

    the curve: (x)(y^2)-(x^3)(y)=6 (dy/dx)=(3(x^2)y-(y^2))/(2xy-(x^3)) a) find all points on the curve whose x-coordinate is 1 and write an equation for the tangent line of each of these points b)find the x-coordinate of each point on the curve where the

    asked by Stephanie on November 2, 2008
  90. calculus

    find the distance d (P_1 & P_2) between points P_1 and P_1. P_1=(-3,3) P_2=(1,5) Find the midpoint of the line segment joining the points P_1 and P_2. P_1=(1,1) P_2=(-3,3) Please show all work

    asked by spazed out on December 4, 2012
  91. math

    12 1/3 + 7 7/15 switch fractions to improper fractions then find a common denominator to find improper fraction of 12 1/3 multiply whole number (12) by the denominator of the fraction (3) then add the numerator of the fraction (1) therefore improper

    asked by Freddie on April 25, 2007
  92. physics

    Suppose a charge of -2.30 µC is at the origin and a charge of 2.90 µC is at the point (0, 3.00) m. (a) Find the electric potential at (4.00, 0) m, assuming the electric potential is zero at infinity. (b) Find the work necessary to bring a 4.40 µC charge

    asked by alysse on July 9, 2010
  93. Statistics

    Standard Normanl Drill: A. Find the number z such that the proportion of observations that are less than z in a standard Normal distribution is 0.8. B. Find the number z such that 35% of all observations from a standard Normal distribution are greater than

    asked by Devon on September 10, 2007
  94. chemistry science

    substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

    asked by greg on October 1, 2013
  95. biochemistry

    substrate concentration= 3.5mM (c2) buffer=0.4 ml 10mM PNPP stock= ?ml (V1) water=?ml enzyme= 0.2ml total volume =1ml (V2) I need help with a dilution, I understand that you would be using c1v1=c2v2 but im confused as to what we need to find the amount of

    asked by greg on October 1, 2013
  96. statistics

    Suppose that the percentage returns for a given year for all stocks listed on the New York Stock Exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n= 5

    asked by Amy on August 31, 2009
  97. Physics

    When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 6.1 m/s. (a) In

    asked by Alexis on January 12, 2012
  98. Precalculus

    Q: A ship leaves the port of LA and travels 120 miles on a bearing of S47ºW and then 110 miles on a bearing of N80ºW. Find the total distance traveled South and West and also its bearing from the port of LA. I have found the distance traveled South and

    asked by Maddie on October 26, 2015
  99. physics

    (1) If an electromagnetic wave has a period of 4.8 μs, what is the frequency and wavelength? I know how to find the frequency but for the wavelength how can we find it without the velocity being given???? (2) The beam of a helium-neon laser (λ = 632.8

    asked by april on May 30, 2012
  100. Algebra

    Find the area of the irregular shape. Round to the nearest tenth. There's a semi-circle on top of a rectangle with 8 as the base and 5 as the height. A. 90.2 sq cm B. 241 sq cm C. 65.1 sq cm D. 72.3 sq cm Find the area of blue portion of the irregular

    asked by Baby_Banana on January 8, 2018

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