1. maths

    The scale of a map is 1:25000.Find the actual length of a road,in cm,which is measured 7.8 cm on the map.Express the answer in standard form.

    asked by ashley on January 12, 2014
  2. Math

    find the parralel of latitude along which a journey of 166km makes a change of 4 degree in longitude give answer to the nearest degree

    asked by flexy on October 19, 2012
  3. Cal 1

    Use Newton's method with the specified initial approximation x1 to find x3, the third approximation to the root of the given equation. (Round your answer to four decimal places.) 1/3x^3 + 1/2x^2 + 1 = 0, x_1 = −3

    asked by Dee on March 7, 2013
  4. Math

    A lorry travels at 50 km/h. Given that the diameter of its wheel is 88 cm,find how many revolutions per minute the wheel is turning. GIve your answer to the nearest whole number.

    asked by Bushra on November 7, 2015
  5. physical

    Find the magnitude of the resultant of the following two vectors: i) 50 units due east and ii) 100 units 30° north of west. the answer is 62 unit but how it come ?

    asked by meera on October 25, 2010
  6. CALC

    Find the volume of the solid obtained by revolving the region bounded by y=(19/3)x-(19/3)x^2 and the x-axis around the x-axis. Keep answer in terms of pi PLease explain each step

    asked by SARAH on June 29, 2016
  7. math

    Find the surface area of the right rectangular prism. The height is 2 in, the length is 10 in, and the width is 4 in. I think the answer is 136. I made a formula, 2(8 + 20 + 40) and I got 136. Is this right?

    asked by keisha on November 12, 2007
  8. Science

    Science project: how does the type of liquid affect weathering. Where do I find info on this subject? I am not sure what questions to ask/answer to start this project

    asked by Lee on January 13, 2008
  9. Physics

    A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 10 Ω and L = 4.2 mH, find the frequency at which the current is one-half its value at zero frequency? Answer in Hz

    asked by Elizabeth on March 21, 2013
  10. Calculus

    Solve : sec^2(x)= ã3*tanx + 1 on [0,radian-180 degrees) - couldn't find the symbol for radian on computer please try and explain how you got your answer best as yu can thanks so much :)

    asked by Jack on September 12, 2010
  11. Economics

    I have a question, and I can't find the answer in the book. Can someone help me? "The domestic demand for many Agricultural products is inelastic. How does this contribute to the price volatility of Ag products?"

    asked by Katie on December 3, 2007
  12. calculus

    Find the average rate of change of the function over the given interval. You must reduce and simplify your answer, if possible. a. f(x)=cot x, [pi/6, pi/2] b. f(theta)= -2 + cos (theta), [-pi, 0]

    asked by Taylor on June 5, 2011
  13. Algebra

    The perimeter of the rectangle below is 74 units. Find the length of side AB . Write your answer without variables. DC (top) 4z-1 CB (right side) 3z+3 AB (bottom) unknown

    asked by Caleb on December 9, 2015
  14. Math

    Fiona earns $15 for each lawn she mows. What is the inequality to find out how many lawns she must mow to earn at least $135. My answer 15m

    asked by CC on January 14, 2015
  15. geometry

    a piece of ribbon is x inches long. find the total length of 7 equal pieces of ribbon. express the answer in terms of x.

    asked by Anonymous on September 8, 2011
  16. 11th grade

    An automobile with an initial speed of 4.56m/s accelerates uniformly at the rate of 2.4m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s.

    asked by Taylor on September 21, 2010
  17. Calculus

    Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(p) = (p − 2)/(p^2 + 9)

    asked by Kris on December 6, 2011
  18. statistics

    Can you step by srep dumb this down so that I can understand how to get the answer please? A set of 50 data values has a mean of 15 and a variance of 36. Find the standard score of a data value = 21

    asked by MissPatte on October 31, 2014
  19. trigonometry

    the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65 degree and 40 degree respectively find the two legs. Answer using law of sines pls

    asked by joe on February 10, 2012
  20. Statistics

    A student takes true or false test consisting of 10 questions by just guessing at each answer. Find the probability that the student's score will be 80% or more?

    asked by Reid on May 9, 2017
  21. Algebra

    Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth. 10.5 18.7 20.9 9.4

    asked by Leozap on May 1, 2015
  22. Math

    Suppose you are comparing two numbers that are greater than 1,000. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain.

    asked by Felix on September 5, 2013
  23. algebra 1

    I need to find the slope of a line that is parallel to the x-axis, completely perpendicular. The answer choices are A. 0 B. 1 C. undefined D. infinity I'm thinking undefined?

    asked by sydney on December 3, 2017
  24. college algebra 2

    Use the equation W = -0.0014x2 - 0.076x + 50 to find W for each x-value in the table. Use this equation to estimate the number of worms on 60 and on day 180. Which answer is the most accurate?

    asked by Judith on December 12, 2011
  25. college algebra 2

    Use the equation W = -0.0014x2 - 0.076x + 50 to find W for each x-value in the table. Use this equation to estimate the number of worms on 60 and on day 180. Which answer is the most accurate?

    asked by Judith on December 12, 2011
  26. trig

    ABC is rightangled triangle. AD is the bisector of angle BAC. Angle DAC=15 degrees. X=CD. Find X. I know the answer is 7.1 but do not know how to do the actual sum. Can you please help AB = 23 CM

    asked by jane on May 5, 2011
  27. calculus 2

    Consider the solid obtained by rotating the region bounded by the given curves about the line x = -3. y = x^2 , x = y^2 Find the volume V of this solid. I keep finding the wrong answer.

    asked by angel on February 17, 2010
  28. trig

    ABC is rightangled triangle. AD is the bisector of angle BAC. Angle DAC=15 degrees. X=CD. Find X. I know the answer is 7.1 but do not know how to do the actual sum. Can you please help.

    asked by jane on May 5, 2011
  29. Chemistry

    Please check my workings to see if i'm correct, thanks! Find the percentage of nitrogen by mass in Ammonium nitrate, NH4NO3. (28/80)x 100% = 35% Is my answer correct?

    asked by Marrion on October 20, 2009
  30. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Maria on May 21, 2012
  31. Algebra

    The diameter of the moon is 2155 miles. Find volume of the moon. Round answers to the nearest whole number and leave in the answer

    asked by Anonymous on June 1, 2012
  32. Physics

    Consider a force F = 815 N pulling 3 blocks of masses m1 = 7.94 kg, m2 = 15.3 kg, and m3 = 32.4 kg along a frictionless horizontal surface. Find the acceleration a of the blocks. Answer in units of m/s2.

    asked by Priscilla on October 10, 2012
  33. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Bob on May 21, 2012
  34. Math

    I really need help with a quadratic question. So the problem is kx^2+[k+2]x-3=0 has roots which are real and positive. Find the possible values that k may have. The answer is -8+ √60

    asked by Barbra on September 17, 2016
  35. physics

    A physics professor lifts her 8.2-kg briefcase at constant speed with an upward force. Find the magnitude of her force. answer in newtons.

    asked by khan on February 21, 2011
  36. Physics

    A block is at rest on an inclined plane. The mass is 44 kg. µs = 0.54 Find the critical angle, θc, at which the block just begins to slide. Answer in units of ◦

    asked by Maya on December 8, 2014
  37. Chemistry

    I have a bag of m&m's with 52 in it and on the pkg it states it weighs 47.9g. If I divide by 52 it gives me .92g per m&m. To find out what the mass is of a mole of m&m's do I Multiply 6.02 x 10 to the 23 power x .92g for my answer?

    asked by Becky on November 9, 2007
  38. physics

    A proton moves at right angles to a magnetic field of 0.0609 T with a speed of 8.16×10 6 m/s. Find the magnitude of the acceleration of the proton. Answer in units of m/s 2

    asked by Anonymous on March 4, 2011
  39. Math

    A pond 100 ft in diameter is surrounded by a circular grass walk 2 feet wide. Find the are of the walk. Answer in terms of π. Please help me! TY

    asked by Kelly on May 6, 2011
  40. Math

    I made a mistake when I simplified. Find and explain my mistake. Then complete the problem correctly. Simplify:(3m^7k^-5)^-3 Solution: 3^-3 m^4 k^-8 m^4/3^3k^8 Answer:m^4/27k^8

    asked by James on November 4, 2009
  41. Calculus 1

    Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = x^(5)e^(-6x)

    asked by TayB on October 21, 2015
  42. Calculus 1

    Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) F(x) = x^4/5(x − 1)^2

    asked by TayB on October 21, 2015
  43. Calculus 1

    Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(t) = t^(3/4) − 3t^(1/4)

    asked by TayB on October 21, 2015
  44. business

    Would it be fair to pay U.S. employees that are relocated overseas a different wage than local employees? Can you please help me find resources in which I could answer this question fairly. thanks

    asked by Adam on January 17, 2010
  45. Math

    The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x3 - 2x2 + x, [0, 1] Round your answer to two decimal places.

    asked by Bri on November 1, 2016
  46. Math

    F(x) = -x^2 - x +2 graph function identify the vertex and axis of symmerty. Can some one explain the steps to get answer? I know I need to find the points on a graph just so confused

    asked by Sam on March 11, 2017
  47. History

    Can someone please help me with this history question? I looked for the answer but couldn't find it in my lessons or through the internet... Question~ What is a modern day example of judicial review

    asked by Abby on October 21, 2015
  48. Maths

    Thanks steve for a brilliant answer! Got one last one which is gobbledegook to me. Two functions f and g are defined by f:x(arrow)x^2 + 3 g:x(arrow)2x + 1 find: a) the function fg b)solve the equation f(x) = 12g^-1(x) Many Thanks!!!!

    asked by Saud on November 21, 2012
  49. Chemistry

    what volume of 0.120 M NaOH must be added to 100 ml of 0.100 M NaHC2O4 to reach ph of 4.70? The answer is 60 ml but I don't know how to find it. Can you please show me the steps and how to do it please

    asked by Steve on February 19, 2016
  50. Calculus

    The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x3 - 2x2 + x, [0, 1] Round your answer to two decimal places.

    asked by olga on October 17, 2015
  51. Chemistry

    1) For a freezing point depression experiment we had to create an ice bath and add salt to the ice. I have to answer the question, why was salting the ice necessary in order to complete the experiment and how does this apply to the principles/concepts

    asked by Hannah on February 21, 2012
  52. Biochemistry

    I'm desperate and I cannot find the answer to this question.... As the name implies, globular proteiens tend to have a roundish, globular shape. What types of side chains might you expect to find on the amino acid residues that face the outside of a

    asked by Sam on May 8, 2007
  53. math.can someone check my answers?

    can someone check my math answers its only 5 questions thanks. please check my answers ! 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for

    asked by Matt on February 12, 2014
  54. Calc Help :(((((

    find the derivative of: (1/3)^(x^2) i got ln(1/3)*(1/3)^(x^2)*(2x) but the answer is supposed to be the negative of that.. where does the negative come in?

    asked by Amanda on March 24, 2014
  55. Calculus

    Find the value of the derivative (if it exists) of f(x) = (x+3)^(4/3) at x=-3. So I got (4*(x+3)^(1/3))/3 for the derivative and 0 for the final answer.

    asked by Anonymous on November 16, 2016
  56. Calculus 1

    Find the derivative dy/dx for the following. Simplify your answer. y=(ln(x^2))/(x^3) I got (2/x x^3-3x^2 ln(x^2))/((x^3)^2) for the derivative is that correct? Or no?

    asked by TayB on October 20, 2015
  57. Calculus

    find y' of 4(cos(x^3))^2 when x = 1. I got -24(1)(cos(1)(sin(1) = -0.4187 but the answer is -10.9.

    asked by Dave on October 19, 2014
  58. Algebra

    Given f(x)=2x^2 + 9x − 7and g(x)=2x −6, find the following. (If an answer is undefined, enter UNDEFINED.) f(−2) − g(−2)

    asked by Tanya on May 1, 2013
  59. math

    How did you find the answer for number of goldfish and number of koi

    asked by tomeisha on August 26, 2015
  60. math

    given that y-1/x +2=1/3 and y+3/3x-1 =5/2 find x and y.am not getting the right answer it should be 1,2. (y-1)/(x +2) = 1/3. Change to y - 1 = x/3 + 2/3 (y + 3)/(3x -1) = 5/2 Change to y + 3 = 15x/2 -5/2 4 = 45 x/6 - 2x/6 -15/6 -4/6 43x/6 = 43/6 x = 1 y -1

    asked by katrina on June 20, 2007
  61. Geometric progression

    If the fifth term of a G.P. Is 81 and second term is 24, find the g.p. Sir this question answer 16,24,36,54 please help

    asked by Rahul on October 14, 2016
  62. math

    The following table of values represents a line. x | y -10 | 19 0 | -1 10 | -21 50 | -101 Identify the equation of the line. Write the equation in slope-intercept form. My answer: −2x+(−1) The answer came out incorrect, and the correct answer was

    asked by John Doswell on February 29, 2016
  63. Math

    The following table of values represents a line. x | y -10 | 19 0 | -1 10 | -21 50 | -101 Identify the equation of the line. Write the equation in slope-intercept form. My answer: −2x+(−1) The answer came out incorrect, and the correct answer was

    asked by John Doswell on February 29, 2016
  64. World History

    How did changes in American society during the 1970s affect religion in the nation? How did this change in religion affect politics? Can you help me answer this? I'm having a brain fart. I understand the question I just need something to put for the

    asked by Anonymous on June 9, 2015
  65. Language Arts

    Think about the role that the story the little mermaid plays in ribbons. In an essay explain what happens when Stacy reads the little mermaid to grandmother. What effect does the story have on their relationship? PLEASE WRITE MORE THEN 1 SENTENCE ANSWER. I

    asked by HorseCrazy12 on October 27, 2018
  66. i need help!!!

    probability and statistics a z score is z = x - xbar divided by s which is standard deviation s = 6.36 x = ? xbar = 54.8 the x is all the data sub. from 54.8 individually which i came up with 1.2 and divided it by 6.36 and the number is .1886.....and the

    asked by emily on September 10, 2008
  67. Physics

    Two tugboats are pulling a freighter. Find the net force and direction of the acceleration for the following cases. Assume that each tugboat pulls with a force of 1.2 x 10^5 N. Assume no resistive force at this time. a) Tugboat 1 pulls in a direction given

    asked by Emily on April 3, 2011
  68. physics- density

    An air mattress is 2.1 m long, 0.55 m wide, and 13 cm deep. If the air mattress itself has a mass of 0.22 kg, what is the maximum mass it can support in fresh water? I know that I can find the volume and area, and the density of water. But I cannot find an

    asked by Andrew on June 19, 2007
  69. French

    Could you please check these and help me with #s 10, 14, 15, 17, and 18. I'm sorry but I just don't understand these. I read the textbook but still nothing. Thanks for all the help:))) Directions: Use the clues to help you figure out the missing word. 1.

    asked by Lisa on August 31, 2009
  70. physics

    A ball player hits a home run, and the baseball just clears a wall 17.6 m high located 122.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.1 m above the

    asked by JAck on November 25, 2014
  71. Math! Please Check My Awnser!

    Hello! I need some help with math! I have tried to do this but I am unsure about my answers. My I will identify my answers with a "

    asked by Electro on January 14, 2014
  72. Physics- check answer please

    1. A 15 kg boy falls out of his bed at a height of 0.50 m. What is the amount of gravitational potential energy lost by the boy? my answer: 74 J 2. What is the speed of a 0.25 kg ball if its kinetic energy is 15 J? my answer: 11 m/s 3. if the speed of an

    asked by Liz on July 5, 2014
  73. math

    There are 45 questions in a Mathematics quizbee. For every correct answer, 5 marks are awarded and 3 marks for every wrong answer. If sofia scored 185 points, how many questions did she answer wrongly.

    asked by thania on April 23, 2015
  74. Math

    Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3 - (This is my answer.) D. √6 I am not sure on my

    asked by Brady on April 8, 2014
  75. Chemistry

    I think I have the answer to this question but need some help! Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 10-24 x 2.222090001 x 10-30

    asked by Susan on February 22, 2012
  76. physics

    A superhero flies 310 m from the top of a tall building at an angle of 30 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m Your

    asked by Anonymous on September 30, 2012
  77. physics

    A superhero flies 310 m from the top of a tall building at an angle of 15 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m Your

    asked by Brandom on September 24, 2013
  78. Physics

    A superhero flies 185 m from the top of a tall building at an angle of 15◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m. Your

    asked by Sophia on October 16, 2016
  79. Physics

    A superhero flies 235 m from the top of a tall building at an angle of 25  below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m Your

    asked by Crystal on October 1, 2012
  80. math

    Double check please Write each of the following as a common fraction or mixed number. Write your answer in lowest term 28. 15.35 Answer: 1535 / 100 = 307/20 = 15 35/100 is 15 7/20 Complete each of the following statement, using the symbol < or > 5/16

    asked by DJ on February 21, 2008
  81. physics

    A superhero flies 285 m from the top of a tall building at an angle of 15 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Draw the vectors to scale on a graph to determine the answer. Answer in units of m Your

    asked by emily on September 30, 2013
  82. trig

    If a triangle has an area of 50 square units and has angles that measure 15, 65, and 100 degress, find the length of the shortest side to the nearest tenth. Do not round till the final answer.

    asked by A on April 4, 2011
  83. physics

    A robot probe drops a camera off the rim of a 437 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s 2 . Find the velocity with which it hits the ground. Answer in units of m/s

    asked by Anonymous on September 26, 2012
  84. Algebra

    A manufacturer of tin cans wishes to construct a right circular cylindrical can of height 20 centimeters and capacity 2600 cm^3 (see the figure). Find the inner radius r of the can. (Round your answer to one decimal place.) r = cm

    asked by Emsley on September 15, 2014
  85. trig

    If a triangle has an area of 50 square units and has angles that measure 15, 65, and 100 degress, find the length of the shortest side to the nearest tenth. Do not round till the final answer.

    asked by A on April 4, 2011
  86. Trigonometry

    Round answer to two significant digits. A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.

    asked by Karen on October 22, 2014
  87. Trigonometry

    Round answer to two significant digits A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.

    asked by Karen on November 8, 2014
  88. Algebra

    A manufacturer of tin cans wishes to construct a right circular cylindrical can of height 20 centimeters and capacity 2600 cm^3 (see the figure). Find the inner radius r of the can. (Round your answer to one decimal place.) r = cm

    asked by Ems on September 16, 2014
  89. physics

    A robot probe drops a camera off the rim of a 455 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2.Find the velocity with which it hits the ground. Answer in units of m/s

    asked by Anne on November 11, 2012
  90. Vectors

    In triangle OAB, OA = 3i + 4k and OB = i + 2j - 2k. Find OP, where P is the point where the bisector of Angle AOB intersects AB. Answer is 7i/4 + 5j/4 + k/4 Don't use the matrix method as I haven't learnt it yet and please show working. Thx a lot.

    asked by C on January 11, 2017
  91. phyics

    A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration. If you wish to find the distance traveled using the equation d=1/2at2, what value should you use for a? Please help on this i don't know what i should put i think m/s squared but i

    asked by rachel on September 20, 2015
  92. lambton

    A rotating flywheel of diameter 48.0 cm uniformly accelerates from rest to 240 rad/s in 15.0 s. Find the linear velocity of a point on the rim of the wheel after 15.0 s. Round answer to one decimal place.

    asked by joy on April 22, 2016
  93. physics

    A robot probe drops a camera off the rim of a 323 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s.

    asked by Anonymous on September 25, 2015
  94. us history

    Evaluate the extent to which the Articles of Confederation were effetive in solving the problems that confronted the new nation. Does anywone know where I can find the answer to this? I have to type a whole page on it so I need a lot of information...

    asked by Andrea on September 26, 2012
  95. physics

    A tandem bicycle team must overcome a force of 165 N to maintain a speed of 9.00m/s. Find the power required per rider, assuming that each contributes equally. Answer in watts.

    asked by steve on October 21, 2009
  96. Math I have tried it and tried it

    I have tried several times to find the vertex, line of symmetry, max/min value of the quadratic function. f(x)=-2x+2x+8 I know I have to do completing the square to answer this but everytime i try to follow the steps I stumble hard! a(x-h)^2+k x= -b/2a

    asked by Sabrina on September 25, 2010
  97. math

    Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your answers to two decimal places. If an answer does not exist, enter DNE.) g(x) = (x^2 − 4)^2/3, [−5, 3]

    asked by akash on March 31, 2013
  98. Math

    An unknown distribution has a mean of 80 and a standard deviation of 12. A sample size of 95 is drawn randomly from the population. Find the probability that the sum of the 95 values is less than 7,300. (Round your answer to four decimal places.)

    asked by alex on April 17, 2018
  99. English

    IN O'connors A good man is hard to find, for the question which person seems excited about having an accident? is the answer Bailey. Thanks These sites may be of help to you. http://www.exampleessays.com/essay_search/A_Good_Man_is_Hard_to_Find.html

    asked by casey on April 15, 2007
  100. physics

    A robot probe drops a camera off the rim of a 387 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s

    asked by Anonymous on September 26, 2014