1. math help

    1. A bag contains red, blue, green, and yellow marbles. Seth takes a marble from the bag without looking, records the color of the marble, and then puts the marble back in the bag. He repeats the process until he has recorded the colors of 35 marbles. The

    asked by may ann on June 6, 2014
  2. physics

    A block of mass m = 5 kg is attached to a spring (k = 35 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 4 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

    asked by Anonymous on April 3, 2011
  3. physics

    A block of mass m = 5 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 = 3 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

    asked by Anonymous on March 25, 2011
  4. physics

    A 1400-N uniform boom at ϕ = 70.0° to the horizontal is supported by a cable at an angle θ = 20.0° to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight w = 2250 N hangs from its top. (a) Find the

    asked by mark on April 5, 2016
  5. physics/ torques

    A block of mass m = 5 kg is attached to a spring (k = 35 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 4 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

    asked by HELP!!!! on April 3, 2011
  6. chemistry

    Hi i'm supposed to find a hydrocarbon with a molecular mas greater than 100g/mol, and i have no clue by using this properties what it is. Please help me:0 There must be a million hydrocarbons with a molar mass > 100. Knowing carbon is 12, C9 something

    asked by claudia on January 29, 2007
  7. english

    Question: Post your response to the following: Select one of the essays from the Examples of Effective Conclusions section in Effective Introductions and Conclusions. Which article did you choose? What kind of conclusion does the writer use? What is the

    asked by rose on March 20, 2008
  8. eng

    hows my outline look? Outline: 1)Post secondary education is unaffordable A)Poor students can’t afford tuition (Stat) tuition has increased by Fifty-percent B) The Government has implemented grants, scholarships and student loans to help. Thesis: I’m

    asked by ben on November 3, 2008
  9. Probability

    Let X be a random variable, and let ck=E[Xk]. We assume that X is such that ck exists (and is finite) for all k∈{0,1,2,⋯}. Define Yk=Xk. Please express your answers in terms of X,c1,c2,…,ck,… (for c1,c2,... please enter c1,c2,..., for ck please

    asked by Anonymous on May 8, 2018
  10. Math

    The planning committee for the upcoming school play “Miss-terious” at LMSA asked the mathematics classes to give them some estimates about income that could be expected at different ticket price levels. The class did some market research to see what

    asked by James on February 24, 2016
  11. Math 2

    The rectangle below has an area of 30k^3+6k^2 The width of the rectangle (in meters) is equal to the greatest common monomial factor of 30k^3 and 6k^2 What is the width and length of the rectangle? Width:6k^2 Length: I couldn't find the length I need to be

    asked by Ed on September 10, 2017
  12. Early Child Ed.

    Would you please check these questions and my answers to be sure that I have chosen the most appropriate answer? 1.Which one of the following does NOT agree with the developmental approach? A. Development is influenced only by maturation. B. Development is

    asked by Tamera on July 20, 2007
  13. biology check answers please

    The Hershey-Chase experiment proved that DNA was the hereditary material because. a) radioactive phosphorus in viral proteins was shown not to enter bacterial cells b) radioactive phosphorus in viral DNA was shown to enter bacterial cells **** (my choice)

    asked by sammy on December 3, 2015
  14. chem

    I need major help im not understanding this at all: Complete and balance each of the following equations for acid-base reactions. (Type your answer using the format CO2 for CO2 and Al(OH)3 for Al(OH)3. Use the lowest possible coefficients.) HBr(aq) +

    asked by hannah on November 23, 2010
  15. Trig

    Jessica attains a height of 4.7 feet above the launch and landing ramps after 1 second. Her initial velocity is 25 feet per second. To find the angle of her launch, which equation can you use with the given information to solve for θ? (Answer: 1 or 2).

    asked by Jessica on June 21, 2012
  16. AED 201

    Search the Internet for three time management tips for teachers. List the tips, in a separate document and answer this question: How do you think these tips will affect your daily schedule as an educator? Provide a comment on how each one serves to improve

    asked by Rayna on March 31, 2010
  17. physics

    A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.600m^3 and the tension in the cord is 840N . What is the mass of the sphere? is this how i would find the

    asked by Amanda on February 15, 2009
  18. math

    Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for π and round to the nearest whole number. 439 ft2 324 ft2 572 ft2 286 ft2*** Find the volume of a square pyramid with a base length of 9 cm and a height of 4

    asked by Princess Anna on March 15, 2014
  19. Math: Pre-calculus

    A rancher wants to build a rectangular pen with an area of 180 . Let W be the width of the pen and L be the length of the pen. a) Find an equation for the perimeter P in terms of W and L . b) Use the given area to write an equation that relates W and L .

    asked by Sarah on October 6, 2013
  20. math

    A manufacturing company manufactures a cardboard box with a square base and a height of 15 inches. Suppose the equation 2 x x 60 7,200 0 can be used to find the length and width of the base of the box, each measuring x inches. Use the zero product property

    asked by crissy on April 7, 2016
  21. physics

    A 3.60 kg object is attached to a vertical rod by two strings as in the figure below. The object rotates in a horizontal circle at constant speed 7.15 m/s. (a) Find the tension in the upper string. 139 . Your response is within 10% of the correct value.

    asked by carlton on October 25, 2011
  22. physics

    A 3.60 kg object is attached to a vertical rod by two strings as in the figure below. The object rotates in a horizontal circle at constant speed 7.15 m/s. (a) Find the tension in the upper string. 139 . Your response is within 10% of the correct value.

    asked by carlton on October 25, 2011
  23. Math

    Identify the rate, base, and amount 23% of 400 is 92 Complete the statement: 8 ft = _____ in Complete the statement. (Round to the nearest hundredth.) 250 km = _________ mi 3.Find the rate: 69 feet and 3 seconds Find the rate: 57ounces and 3 cans Solve the

    asked by Gertrude Sanders on October 26, 2008
  24. accounting

    The Board of Aldermen of Finchville approved the appropriations budget for its General Fund for the year ending December 31 as shown below. General government.............................................. $ 600,000 Public

    asked by tamara on June 10, 2008
  25. chemistry

    The power of the equation ΔG° = –RT ln(K) is that K can be determined from tabulated values of ΔG°f. Use the tabulated values of the Gibb's energy to determine K for the reaction, 2AB(l) ↔ 2A(g) + B2(g), at 298K. (R=8.314 J/K mol or R=0.008314 kJ/K

    asked by Carl on March 15, 2015
  26. chemistry

    how would you find the theoretical yield of a reaction where all reactants and products are in 1:1 ratio, and there are two products formed which have the same MW. (products are collected as one..not separated) After finding the number of moles, I just

    asked by hilary on January 14, 2010
  27. physics

    1.)A rock at the blank of a coast is struck by water waves.find the frequency of the waves striking the rock,if the distance between two consecutive crests or troughs is 100m.velocity of water wave is 150m/sec. 2.)the timeperiod of a vibrating body is

    asked by srikar on May 18, 2012
  28. PHySics

    A 1.63 nF parallel-plate capacitor is charged to an initial potential difference ΔVi = 100 V and then isolated. The dielectric material between the plates is mica, with a dielectric constant of 5.00. (a) How much work is required to withdraw the mica

    asked by Physics on May 12, 2010
  29. MATH hellllp!!!!!!!

    1. You mix the letters: S E M I T R O P I C A and L thoroughly. Without looking you draw one letter. Find the probability that you select a vowel. From a fraction to simplest form. 12/5***** 5/12 1/3 7/12 2. You roll a standard cube once. Fine P(0) 7/6 1

    asked by Cj So Cool on May 9, 2017
  30. math

    1. You mix the letters: S E M I T R O P I C A and L thoroughly. Without looking you draw one letter. Find the probability that you select a vowel. From a fraction to simplest form. 12/5 5/12 1/3 7/12 2. You roll a standard cube once. Fine P(0) 7/6 1 1/2 0

    asked by jjiiddss on February 23, 2016
  31. History

    The need to find new routes to the spice markets of Asia was a major determining factor in many early voyages during the Age of Discovery (1). However, it was more than the quest for spices that inspired these voyages (2). As new continents and islands

    asked by malia on October 18, 2017
  32. Social Studies - Geography

    I'm having some trouble with the worksheet I'm doing for geography class.It's on East Asia,and the thing that's messing me up the most is the spelling of the cities/bodies of water/physical features, like Mongolia's capital, Ulaan Baatar, which has

    asked by Nikki on April 24, 2007
  33. Physics

    Find the magnitude of the acceleration (in m/s2) for an electron in a uniform electric field with a magnitude of 100 N/C. and Find the time it takes (in sec) for an electron initially at rest in a uniform electric field of 110 N/C to reach a speed of 0.01c

    asked by Katie on September 19, 2012
  34. college

    For each set of parameter values: - Calculate the optimal time to extract the resource - How do you find switchpoint/ transition point? - Calculate the Extraction path (Q0, Q1, etc.) - Calculate the MUC in each period - HOW DO U FIND MUC? - Calculate the

    asked by Kimberly on October 27, 2008
  35. Math 3 grd

    How do I find the area and the volume of a prism using base-10 blocks? well, the area is found by multiplying length x width. so it would be 10 x 10, which equals 100. The volume, however, isn't much more work to find the answer. Volume=length x width x

    asked by Miquela on May 2, 2007
  36. algebra

    find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds show the average weight. How do I show the calculations necessary

    asked by Rick on December 1, 2007
  37. statistics

    Could someone work a problem like this one, for an example. Complete the hypothesis test with alternative hypothesis ìd < 0 based on the paired data that follow and d = M - N. Use á = 0.02. Assume normality. M 49 67 45 57 57 48 N 57 68 47 60 64 55 (a)

    asked by tracy10 on June 24, 2013
  38. Physics

    An RLC series circuit has a 2.60 Ω resistor, a 110 µH inductor, and a 70.0 µF capacitor. (a) Find the circuit's impedance (in Ω) at 120 Hz. (b) Find the circuit's impedance (in Ω) at 5.00 kHz. (c) If the voltage source has Vrms = 5.60 V, what is

    asked by EMG on April 5, 2018
  39. Physics

    I'm given two cars A and B Car A is 1100 kg and traveling at 11 m/s Car B is 1400 kg and traveling at 15 m/s and I'm asked to fidn the velocity of both is just the net velocity 4 m/s ??? I'm also to find the impulse and how would I do that??? impulse is

    asked by Physics on June 17, 2009
  40. MoRe HeLp PlEaSe!! (calc)

    Also can I get some help with this LONG, TIRESOME PROBLEM? Find the derivative using the chain rule. f(x)= ((3x-7)/(6x+3))^4 Thanks a lot! (68/(12x^2+12x+3))*[(3x-7)/(6x+3)]^3 you should double check the answer multiply 4((3x-7)/(6x+3))^3 by the derivative

    asked by Confused on February 21, 2007
  41. Math Helppp

    Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of 112. (a) If 1 man is randomly selected, find the probability that his score is at least 579. (b) If 13 men are randomly selected,

    asked by TJ on June 2, 2014
  42. MATH PRECAL HELP

    Business. The profit, in thousands of dollars, for a product is p(X)=-x^2+140x-4700 where x is the production level in hundreds of units. Find the production level that maximizes the profit. Find the maximum profit. The maximum profit of $ _____ is

    asked by student in need on November 3, 2017
  43. college algebra

    1. solve the following logarithmic equation log_8(x+8)+log_8(x+7)=2 what is the exact solution 2.se the rational theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers. f(x)=4x^4+5x^3+9x^2+10x+2

    asked by Ladybug-two questions- Reiny please help on December 1, 2012
  44. Physics

    Find the magnitude of the acceleration (in m/s2) for an electron in a uniform electric field with a magnitude of 100 N/C. and Find the time it takes (in sec) for an electron initially at rest in a uniform electric field of 110 N/C to reach a speed of 0.01c

    asked by Katie on September 19, 2012
  45. Finite math

    Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of 112. (a) If 1 man is randomly selected, find the probability that his score is at least 579. (b) If 13 men are randomly selected,

    asked by Preet on June 2, 2014
  46. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by Alexis on November 1, 2011
  47. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by Alexis on November 1, 2011
  48. Diff Calculus

    Find the interval(s) where the function is increasing of decreasing. find the: a) critical value(s) b) critical point(s) c) max. value + max. point d) min.value and min. point e)point on inflection if there is: 1) y=x^4-3x^3+22x^2-24x+12 thanks:)

    asked by unknown on October 2, 2011
  49. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by alexis on November 1, 2011
  50. Statistics/Probability

    Assume that women’s heights are normally distributed with a mean given by μ = 63.4 in, and a standard deviation given by σ = 2.3 in. (a) If 1 woman is randomly selected, find the probability that her height is less than 64 in. (b) If 43 women are

    asked by slomomo on March 4, 2015
  51. Calculus Assignment

    Hey there. Okay well I just started first year university and we got an assignment to sorta brush up our rememberance of everything and well...I'm not remebering to well. If anyone can help me with this question that would be great. Thanks. The secant

    asked by Tracy on September 12, 2006
  52. Lab/Chemistry

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked by Tricia on February 26, 2014
  53. Chemistry please help

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked by Tricia on February 26, 2014
  54. Quadratic Equations and Functions

    I started having trouble on part (c), and I need to know this before I can go onto the other problems. Plz help! The parabola shown at the right (no picture, sorry) is of the form y=x^2+bx+c. The graph's y-intercept is (0,2), the axis of symmetry is -2.5

    asked by Emily on February 4, 2007
  55. Physics

    The wheels of a skateboard roll without slipping as it accelerates at 0.45 m/s2 down an 75-m-long hill. If the skateboarder travels at 1.8 m/s at the top of the hill, what is the average angular speed of the 2.6-cm-radius whe els during the entire trip

    asked by Anonymous on October 29, 2016
  56. English

    Tomorrow I have to write an in-pclass essay, and I'm having trouble coming up with a thorough idea for my paper. Here is the question: "Write a composition based on literature you have studied this term in which the author examines characters and

    asked by Sam on January 13, 2010
  57. physics

    The atoms in gas ( gas constant R=8.31 J/mol K) can be treated as classical particles if their de Broglie wavelength L is much smaller than the average separation between the particles d. Consider monatomic helium gas (mHec^2 = 3727 MeV, molar mass 4g/mol)

    asked by Bun on December 7, 2009
  58. geometry

    1. the opposite angles of a parallelogram measure(x=30) and (2x-50).Find the measure of each angle of the parallelogram. 2. the ratio of two consecutive angles of a parallelogram is 2:3. find the measurement of the angles of a parallelogram. 3.the

    asked by marycon on November 7, 2010
  59. Pre-Algebra

    1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,256 ft2 b. 4,189 ft2 c. 1,089 ft2 d. 1,568 ft2 2) Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,257 ft3

    asked by Destiny on March 12, 2013
  60. Probability Statistics

    a manufacturing plant uses 3000 light bulbs whose lifetimes are independently normally distributed with mean 500 hrs, and standard deviation 50 hrs. to minimize the number of bulbs that burn out during production hours, all bulbs are replaced after given

    asked by Liza on December 7, 2012
  61. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

    asked by Timmy on May 19, 2014
  62. physics

    A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x

    asked by donut on May 10, 2012
  63. math

    rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the

    asked by arini sofia on May 22, 2016
  64. math

    rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the

    asked by arini sofia on May 22, 2016
  65. physics

    A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x

    asked by donut on May 10, 2012
  66. physics

    to find the depth of the water surface in a well, a person drops a stone from the top of the well and simultaneously starts a stopwatch. The watch is stopped when the splash is heard, giving a reading of 3.65 s. The speed of sound is 340 m/s. Find the

    asked by raj on September 12, 2012
  67. world geography

    explain how the Catholic Church provides the link between the ancient world and the medieval world. The Roman Emperor Constantine is the link you're looking for. Research (both online and in your nearest library) him and the early Christian church to find

    asked by danielle on November 25, 2006
  68. pre calculus

    a satellite is launched to take pictures during its orbit. its low and high points over the surface of the earth are 119 and 122800 miles. Find the polar equation if the center of the earth is the focus. assume that the earth has a radius of 4000 miles.

    asked by Anonymous on November 5, 2007
  69. Algebra

    A salesperson has found that the number x of televisions she can sell at a certain price p is related to the equation x=-1/5p + 90 A) Find the number of TVs she will sell if the price is $375 B) WRite a formula for the revenue when x TVs are sold C)Find

    asked by Katie on October 25, 2006
  70. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

    asked by Jim on May 18, 2014
  71. Algebra

    I can not figure these out for the life of me. Any help is appreciated. 1. Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for 8 years. I used interest formula and came up with $1,769.08. And

    asked by Lyn on June 23, 2011
  72. Calculus

    An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is ρ = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

    asked by John on May 20, 2014
  73. physics

    Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

    asked by mattheaus on May 8, 2013
  74. physics

    Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

    asked by mattheaus on May 8, 2013
  75. The Settlers

    Describe the conflict between the settlers and the Nor’Westers and the Métis. Include reasons for the conflict, details of the battle at seven oaks and the result. The conflict between the settlers and the Métis is caused because of shortage of food.

    asked by Emma on May 10, 2011
  76. sat essay

    Is it necessary for us to find new solutions to problems? Many people may argue that we don¡¯t need to since we are already able to solve the problems. As far as I am concerned, we should always try to find new solutions to problems. New solutions enable

    asked by Mercedes on December 2, 2009
  77. Science

    1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the second, the ice cubes are on the bottom of the beaker. Write a hypothesis to explain the difference in your observations about the two

    asked by Lyric on September 17, 2012
  78. Chemistry(Please check, thank you)

    For an experiment on the effect of a buffer solution, I need to calculate the expected pH of the buffer. I know that I have to make an amounts table and use the Hasselbalch equation to find the pH. For the first part, 0.10M HCl was added to a buffer. The

    asked by Hannah on March 29, 2012
  79. precalculus

    How do I find the vertical/horizontal compression/stretch? For the graph, determine the equation of the function in the form y=a(x-h)^2+k. Then describe the transformations that were applied to y=x^2 to obtain the graph. Here is the graph: imgur dot

    asked by Melinda on December 10, 2011
  80. physics

    Rocket-powered sleds are been used to test the responses of humans to acceleration. Start- ing from rest, one sled can reach a speed of 510 m/s in 2.37 s and can be brought to a stop again in 3.15 s. Find the acceleration of the sled while ac- celerating.

    asked by help on November 4, 2014
  81. Calculus

    Hi there i am having some problems trying to do my calculus homework and i really need help on how to show the step to proof the volume of a sphere which is V= 4/3pirsquare. But I have to use triple integral to proof the volume of a sphere. Please help me

    asked by shylo on November 25, 2009
  82. Algebra

    An engineer designs a satellite dish with a parabolic cross section. The dish is 14 ft wide at the​ opening, and the focus is placed 4 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

    asked by Jason on November 16, 2016
  83. Algebra

    An engineer designs a satellite dish with a parabolic cross section. The dish is 10 ft wide at the​ opening, and the focus is placed 8 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

    asked by Lacey on November 16, 2016
  84. maths

    A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

    asked by hayley on March 2, 2013
  85. maths and physics

    A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

    asked by tom on March 3, 2013
  86. Calculus

    Can anybody help me with this? Consider the surface xyz = 20. A. Find the unit normal vector to the surface at the point (1, 4, 5) with positive first coordinate. (___,___,___) B. Find the equation of the tangent plane to the surface at the given point.

    asked by Mike on October 15, 2007
  87. physics

    How do i find this? A shooting star is a meteor that burns up when it reaches Earth's atmosphere. Many of these meteoroids are quite small. Calculate the kinetic energy of a meteoroid of mass 6.0 g moving at a speed of 45 km/s and compare it to the kinetic

    asked by raina on April 4, 2010
  88. pysics

    A projectile of mass 0.777 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having a horizontal component of 7.8m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

    asked by steve on October 4, 2011
  89. math

    While investigating the properties of parallelograms using a dynamic geometry software program, a student notices that the diagonals of a parallelogram seem to bisect each other. The student conjectures that this statement is true for all parallelograms.

    asked by michele on March 2, 2011
  90. Just 2 sentences.

    The problems of conflicting expectations. The importance of not selling out. Can anyone make that sentences more simple? cuz I don't get what those means... I don't see a verb in either. Are these sentences, or sentence fragments? If these had verbs and

    asked by Justin on January 4, 2007
  91. Physics

    A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, as shown in the figure, with an initial velocity vi having a horizontal component of 7.1m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

    asked by yolanda on September 26, 2011
  92. Physics

    A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, as shown in the figure, with an initial velocity vi having a horizontal component of 7.1m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

    asked by yolanda on September 26, 2011
  93. Physics

    A projectile of mass 0.46 kg is shot from a cannon, at height 6.8 m, as shown in the figure, with an initial velocity vi having a horizontal component of 7.1m/s. The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and

    asked by yolanda on September 26, 2011
  94. Statistics

    As reported in Runner's World magazine, the times of the finishers in the new york 10 km run are normally distrubted with a mean of 1.02 hours and a standard deviation of 9 minutes. Let X denote finishing time for the finishers. Then, A. Find the

    asked by Anonymous on March 14, 2013
  95. Physics

    The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and the electric field points in the positive x direction with a magnitude of 16.0 N/C . Assume this electric field is

    asked by Cooper on January 23, 2012
  96. Accounting

    Aunt Rhea Corporation Income Statement For the Year Ended December 31, 2015 Service Revenue $ 900,000 Operating Expenses 700,000 Net Income before Income Tax $ 200,000 Gain on Investment Sale 10,000 Net income Before Income Taxes $ 210,000 Income Tax

    asked by Daniel on May 2, 2016
  97. Physics

    3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision

    asked by Pat on February 28, 2012
  98. physics

    The force required to stretch a Hooke’s-law spring varies from 0 N to 62.4 N as we stretch the spring by moving one end 17.2 cm from its unstressed position. a) Find the force constant of the spring. Answer in units of N/m b) Find the work done in

    asked by phys101! on October 12, 2011
  99. human resources

    Help please. I need to find information on how peers influence a sweet 16 party for a female. I can find information on how the media influences this, but I need solid information on how peers can influence a sweet 16 party. I am doing the rites of passage

    asked by Patiance on February 5, 2011
  100. math

    find the exponential function of the form y=ab^x whose graph passes through the points (4,6) and (7,10) i got a=3.04 and b= 1.185 so my equation is y=3.04(1.185)^4 is this correct? one more problem. find a power function of the form y=ax^b whose graph

    asked by greeny on February 7, 2012

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