1. Math please check

    Find the unknown value in the percent proportion. 5/ = 4/100 My asnwear please check am I right? 5/x = 4/100 500=4x the unkown value is 125 So 5/125 = 4/100

    asked by Bryan on July 24, 2008
  2. math

    a man walked for some distance at 8km/h, and for an equal distance at 5km/h. the total time he took was 3 1/4 hours. find the distance he walked

    asked by Anonymous on November 8, 2011
  3. maths

    The ration of prices of two horses was 16:23.Two years later when the price of the first has risen by 10% and that of the second by rs.477, the ratio of their prices becomes 11:20. Find the original prices of the two horses.

    asked by Asha on September 16, 2016
  4. MATHS

    TWO ANGLES ARE ADJACENT AND FORM AND ANGLE OF 150.THE LARGER ANGLE IS 30 MORE THAN TWICE THE SMALLER.FIND THE ANGLES. CHAPTER- LINES AND ANGLES

    asked by ARNAV on June 3, 2017
  5. Math

    Please help! How do I find the mean weight of 2 groups of 100 kids... 1st grp mean weight is 55.7lbs and 2nd grp mean weight is 42.6lbs.

    asked by Damon on December 5, 2012
  6. math

    a cold front moves in at noon and in 5 hours, the temperature had dropped 23%. the temperature at 5:00 p.m. was 14%. let x be the temperature at noon. write an equation to find x.

    asked by anne on November 30, 2010
  7. calc

    need to find: lim as x -> 0 of 4(e^2x - 1) / (e^x -1) Try splitting the limit for the numerator and denominator lim lim x->0 4(e^2x-1) (4)x->0 (e^2x-1) ______________ = ________________ lim lim x->0 e^X-1 x->0 e^x-1 Next solve for lim x->0 and simplify

    asked by brian on September 26, 2006
  8. Maths

    The sum of a two digit number is 8 .The digit in the units palce is1 more than six times the digit in tens place .Find the number

    asked by Anonymous on July 9, 2016
  9. math

    the curve y=x^2 - 3x - 4 cross the x-axis at P and Q. the tangent to the curve at P and Q meet at R. the normals to the curve at P and Q meet at S Find the distance RS?? please help i have honestly tried and have had no luck :)

    asked by Jack on November 8, 2010
  10. phyics

    A system does 3.7 × 104 J of work, and 8.5 × 104 J of heat flows into the system during the process. Find the change in the internal energy of the system.

    asked by minka on March 30, 2014
  11. Calculus

    Consider the function f(x) = (4x + 4)/(2x^2+4x) and the function g(x)=(2x+2)/(x^2+2x) Clearly, f(x) = g(x) for any value of x and thus f and g should be thought of as merely different notation for the same function. Now find the integral of f(x)dx and the

    asked by Malden Brown on February 11, 2016
  12. ocean view

    a bicycle tire rim has a diameter of24.5 inches, and the tire is 2.25 inches thick. find the circumference ofthe outside of the tire.

    asked by christopher on May 26, 2011
  13. math

    For questions 5–7, find the solution to the system of equations by using either graphing or substitution 5. y = 6 – x and y = x – 2 (1 point) (2, 4)*** (–4, 2) (4, 2) no solutions 6. y = 2x – 1 and y = x + 3 (1 point) (4, 7) (7, 4) (–7,

    asked by Linda on March 24, 2015
  14. Geometry

    Please help, I’m stuck and need help with these! 1. The point (1, 1) is the image under the translation (x, y) --> (x + 3, y - 3). what is the preimage of this point? 2. A dilation has center (0, 0, 0). find the image point of (-1, -2, 0) for the scale

    asked by Ollie on September 28, 2018
  15. algebra

    art's age is two thirds cal's age, and bob is three years older than art. the sum of their three ages is 45. find the age of each one

    asked by sara on September 8, 2012
  16. Word Problem

    Given a normally distributed population, find a 95% confidence interval for the population mean; sample mean is 119; sample std deviation is 14; sample size is 28

    asked by Marilyn on September 6, 2008
  17. Math

    7) A population of ants is growing at a rate of 8% a year. If there are 160 ants in the initial population, find the number of ants after 6 years.

    asked by Sherhaida malali on July 13, 2017
  18. math

    A rope goes from one building to another. The distance between the buildings is 12m, and the rope is tied at each building at a point 8m and 3m from the ground. Find the length of the rope.

    asked by Anonymous on December 17, 2017
  19. math

    Find the perimeter of the given triangle. Round your answer to the nearest tenth if necessary. ∆ADF, if ∆ADF ∼ ∆BCE, given BC = 17, BE = 9, CE = 12, and DF = 15. ∆BCE is inside of ∆ADF

    asked by Devin on December 9, 2017
  20. Statistics and Probability

    A batch consists of 2 defective coils and 48 good ones. Find the probability of getting no defective coils when three coils are randomly selected without replacement

    asked by Kay on November 28, 2018
  21. Algebra

    Let A(4,3) B(5,8) and C(3,10) be three points in a coordinate plane. Find the coordinates of a point D such that the points ABC and D form a parallelogram with (a)AB as one of the diagonals (b)AC as one of the diagonals (c)BC as one of the diagonals

    asked by Amanda on September 18, 2011
  22. math

    Ramesh bought 150 share at the rate of rs. 10 per share. company give 15% profit and he get 10% on his investment.find the rate of share.

    asked by ajit kumar on March 3, 2014
  23. math

    Let AB and CD be two lines intersecting at point O. Let OP be the bisector of ]AOC, OT the bisector of ]POB, and OR the bisector of ]TOD. If ]POR = 25, find ]AOC and ]AOD.

    asked by Suzy on November 28, 2010
  24. geomtry

    The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number. The area of the smaller trapezoid is 771 m

    asked by Anonymous on April 19, 2016
  25. physics

    We have a charge q = -0.6 x 10^-6 C at origin. And a vector r = (0 m, -5 m, 0 m). Find the electric field E(r) as a vector expressed in terms of i j and k. Ok so far I got E(r) = k (0.6e-6)/(5)^2 = 216 N/C. But this is not a vector, how do I express this

    asked by Stephanie on September 26, 2016
  26. Tests

    Does anyone know where I can find free online practice tests for Cognitive Abilities and Achievements Tests. I was looking for grade 8-9 tests, and hopefully free. Thanks, TollingBellz

    asked by TollingBellz on December 28, 2018
  27. math

    Find the z-score for the given raw score, mean, and standard deviation. Assume a normal probability distribution. Raw score = 124, μ = 98, and o = 17 A) 0.65 B) -1.53 C) -0.65 D) 1.53

    asked by JEN on November 18, 2009
  28. math

    find the smallest rectangular area of wrapping paper that can be used to wrap a present that is 22 inches by 20 inches by 10 inches. The paper cannot be cut.

    asked by Anonymous on February 6, 2012
  29. Science

    Distance 55 m time 10.30 am and distance 255 m time 10.32 am. Find the avg. Speed. Plz advice how total time is being calculated.

    asked by Deepak on March 7, 2018
  30. Math

    Consider the function f(x) = (4x + 4)/(2x^2+4x) and the function g(x)=(2x+2)/(x^2+2x) Clearly, f(x) = g(x) for any value of x and thus f and g should be thought of as merely different notation for the same function. Now find the integral of f(x)dx and the

    asked by Math guy17 on February 9, 2016
  31. Algebra

    The plan of a terrace is 5in:2in.The scale is 2in:6ft.What are the length and the width of the terrace?Find the terrace's area. 5 in 2 in ---- = ----- 2 in 6 in

    asked by Beautyfam on January 25, 2016
  32. physics

    In a 25 degree C room, hot coffee in a vacuum flask cools from 72 degree C to 54 degree in 8 hours.Find its temperature after another 8 hours.

    asked by Kristie on March 31, 2012
  33. chemistry

    I'm having a little trouble doing a worksheet. 1.25 moles of KBr contains how many Br atoms? How do I find the number of atoms for one of them? Also, I'm not sure how to solve: Calculate the number of atoms in CO2. Thanks.

    asked by Jan on January 19, 2010
  34. Physic II

    A proton is located at x = 1.0 nm, y=0.0nm. and an electron is located at x=0.0nm y=3.0nm. Find the attractive Coulombic force between them. (The value of k is 9.0 * 10^9 N*m^2/C^2) I found 2.3 x 10^-11 N am I correct?

    asked by Jennifer on January 26, 2014
  35. Math

    A square and a parallelogram have the same area. If a side of the square is 40m and the height of the parallelogram is 20m, find the length of the corresponding base of the parallelogram.

    asked by Radiya on January 29, 2016
  36. Math

    An equation can be used to find the height of a child. Equation is h=2c. The child is 36 inches at 18 months. (12in=1ft) How tall will the child be when he is 5 years old?

    asked by Jade on April 6, 2015
  37. Pre-Calculus

    Find a numerical value of one trigonometric function of x if tanx/cotx - secx/cosx = 2/cscx a) cscx=1 b) sinx=-1/2 c)cscx=-1 d)sinx=1/2

    asked by Lucy on August 30, 2008
  38. confused calc

    dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? (you already posted this, but i still don't get it) dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C c=-1/3 so the equation is y=(2y^3)/3-1/3 then i have to find what y

    asked by david on December 12, 2006
  39. Geometry

    The angle of elevation of a ladder leaning against a wall is 45°. If the distance from the base of the ladder to the wall is 15 feet, find the length of the ladder.

    asked by Patrick on October 22, 2012
  40. Pre-Cal

    The diagonal and the longer side of a rectangle make an angle of 43.2. If the longer side is 12.6cm, find the length of the shorter side.

    asked by Daisy on January 29, 2008
  41. Math

    One side of the triangle is 2cm longer than the second side. The third is 3/5 as long as the first side. If the perimeter of the triangle is 24cm, Find the lengths of the three sides.

    asked by Roland Lewis Santos on September 12, 2011
  42. Math

    Find the value of x if line QS bisects angle PQR and measure of angle PQR equals 82 degrees. angle PQS=10x+1

    asked by Lindsay on October 30, 2016
  43. physics

    A 5 kg box is sitting on a table. Bob's hand is pushing down on the box with a 12 N force. Find the normal force on the box. (draw this)

    asked by Beverly on October 14, 2015
  44. math

    the base edge of a triangular pyramid is 3 meters and its altitude is 10 meters. find the area of a section parallel to the base and 6 meters from it.

    asked by acshikari on September 20, 2011
  45. Algebra

    Solve. x-3/15=1/3 I get 8 as an answer. Is this correct? If you substitute 8 for x, you'll find that 8 is not the correct answer. x - 3/15 = 1/3 x = 3/15 + 1/3 x = 3/15 + 5/15 x = ______ Please post your answer and a teacher will be glad to check it. Does

    asked by Linda on July 12, 2007
  46. Chemistry

    10.0g of sodium chloride is dissoved in 300ml of 0.75mol/L magnesium chloride solution. Find the new concentration of chloride ions f the solution.

    asked by Emilee on December 13, 2012
  47. math

    Ismael bought a new phone. After the first 5 hours of use, the average remaining lifetime of the battery is 7 hours. Find the probability that the battery will last between 11 and 15 hours.

    asked by ISMAEL on October 9, 2015
  48. geometry easy

    The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO

    asked by nicole on October 22, 2013
  49. math

    find the weight of lead pipe 3.5 m long the ext . diameter of the pipe is 2.4 cm and thickness of the pipe is 2 mm given 1 cm of lead weighs 10g

    asked by Ayushi on March 9, 2015
  50. physics

    person weighs 526 N on Earth. Another planet has twice the mass of Earth and Twice the radius of Earth. Find the weight on the other planet. I need help with a formula too.

    asked by Sejul on January 25, 2011
  51. chemistry

    I need to find how many grams phosphorus (P) are in 0.8645 g sample of MgNH4PO4 x 6H2O How many grams P2O5 can be calculated with this many grams of P What is the percent P (as P2O5) in this

    asked by Jamie on June 14, 2010
  52. geometry easy

    The perimeter of equilateral triangle TRY is 9y+45 and TY = 2y+25 . find the perimeter of triagle TRY. The perimeter of a parallelogram ABCD is 66 cm, and DC is twice as long as BC . how long is AB ? 2 QUESTIONS .. ANSWERS PLEASE TELL ME WHAT TO DO

    asked by nicole on October 22, 2013
  53. Algebra

    The length of shadow of a building is 28m. The distance from the top of the building to the tip of the shadow is 36m. Find the height of the building

    asked by Jacqueline a Sanders on January 16, 2017
  54. Algebra HELP!

    I cannot find an example and am confused about what to do with this problem. Can someone tell me what they want? Do they want me to graph the function and determine x&f? I am just not sure what why my answer is suppose to be. Compare the graph of the given

    asked by Bradley on March 27, 2008
  55. Math

    A children's play area is triangular. The sides of the play area measure 100 m 250 m and 275 m respectively. Find the area

    asked by Giuseppe on December 11, 2015
  56. math

    A rope goes from one building to another. The distance between the buildings is 10m, and the rope is tied at each building at a point 8m and 4m from the ground. Find the length of the rope.

    asked by maria on February 11, 2017
  57. geometry

    the base of a right prism is a rhombus whose diagonals are 6 in and 8 in. The altitude of the prism measures 10 in. Find the lateral area and the total area of the prism.

    asked by Nico on March 13, 2010
  58. Uos

    Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +2.6 N and the mass

    asked by Mariam on April 11, 2014
  59. Calculus

    Two horizontal forces,  and , are acting on a box, but only  is shown in the drawing.  can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that  = +4.2 N

    asked by Xavier on January 4, 2017
  60. Physics

    A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction

    asked by K on November 26, 2012
  61. Physics

    A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction

    asked by K on November 26, 2012
  62. PHYSICS - PLEASE HELP

    A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction

    asked by Anonymous on November 26, 2012
  63. Physics =/

    Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +5.6 N and the mass

    asked by Sanz on September 26, 2014
  64. Physics

    Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that

    asked by Randy on February 13, 2013
  65. physics

    Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +8.3 N and the mass

    asked by bill on February 19, 2015
  66. trigonometry

    A carpenter is building a house. He is constructing the roof. The roof has an angle of elevation of 40° from the horizontal. The height he wants to make the roof is 18 feet. How far is it from the bottom edge of the roof to the top of the roof? (Find the

    asked by rose on October 18, 2012
  67. Physics

    A 8.5 dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.47 , relative to the water, and the canoe simultaneously moves in the opposite direction at

    asked by Coco on November 22, 2012
  68. medical

    this is not homeowrk for school it is homeowrk for me. I am having my gallbladder out friday and i also have IBS where can i find information on a diet to follow after surgery so i do not have to deal with bad IBS for the rest of my life.i know i can not

    asked by alley on October 10, 2007
  69. SQL PROGRAMMING INFORMATION SYSTEMS

    In the following SQL query why do they have an independent letter then period then the table name? I seemed to have missed something in the reading and cannot find it for the life of me SELECT D.DNAME, E.ENAME FROM DEPT D LEFT OUTER JOIN EMP E ON D.DEPTNO

    asked by Phil on November 18, 2015
  70. Physics equation?

    can anybody tell me an equation that can be used to find the number of electrons flowing through an LED every second? and also refer or give me any information that could explain another mechanism (apart from the fact that they denote energy to a single

    asked by AllyKat on February 11, 2008
  71. math

    1. determine which order pair is a solution of y = -5x + 10 A. (-15,5) **** B. (2,0) C. ( -1 , -5 ) D. (3, 25 ) 2.on which of the following lines does the point ( 7,1 ) lie? A. y-5x = 4 B. y=x -10 C. y = -4x +3 *** D. y + -x +8 3.find the slope of the line

    asked by andrew on December 1, 2016
  72. Physics

    The man pushes/pulls with a force of 200N. The child and the slide combo has a mass of 30 kg and coefficient of friction is 0.15. The angle between the slide and the ground is 30 degrees. Find the acceleration of the child and what is the frictional forces

    asked by Thokozanitausi on January 10, 2017
  73. plz explain or translate this question!!!

    How were things resolved? what does this sentence mean? how do you write your answer for this Q? The sentence means there were two or more differing opinions, measurements or explanations about something. You are supposed to find out which is correct, or

    asked by ashlee on December 7, 2006
  74. math-IS MY ANSWER RIGHT?

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the

    asked by Anon on November 23, 2016
  75. College Algebra

    An object is projected vertically upward from the top of a building with an initial velocity of 112 ft/sec. Its distance s(t) in feet above the ground after t seconds is given by the equation s(t) = −16t^2 + 112t + 100. (a) Find its maximum distance

    asked by Kyle on November 12, 2014
  76. Business Math Please Help me

    A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.) Thank

    asked by Scarlett on April 26, 2015
  77. Fisher projections

    Is there a good tutorial that you know of on Fisher projections? My book isn't helpful. Thanks from Sheryl http://www.bluffton.edu/~bergerd/Models/chiral6.html I don't have the right plug-in for this lesson and I can't find it. Is there another tutorial

    asked by Sheryl on November 1, 2006
  78. maths - geometry -yr11

    HI guys. find the equations of the lines represented by 4x^2 - 5xy - 6y^2 + 11x + 11y - 3 = 0 I am lost. What two lines are they asking for? And is there a general formula/appraoch to simplifying the duel equation with powers to 2? I tried turning the x^2

    asked by mike on June 19, 2008
  79. Hydraulics and hydrology

    Please i need help. QUESTION=Water flows through a pipe of diameter 300mm with a velocity of 5m/s.If the coefficient of friction is given by f=(0.015/1) + (0.08/RE^0.3). Where Re is the Reynoid number. Take kinematic viscosity of water as 0.01stoke. *Find

    asked by Ekingdeft Omamode on February 5, 2016
  80. Math

    A monopoly has a total cost function C = 1000 + 108x + 12x^2 for its product, which has demand function p = 324 − 3x − 2x^2. Find the consumer's surplus at the point where the monopoly has maximum profit. (Round your answer to the nearest cent.)

    asked by Tom on April 22, 2015
  81. Math

    URGENT! an artist intends to paint a 60-square-foot mural on a large wall that is 18 ft wide and 11 ft tall. find the dimensions of the mural if the artist leaves a border of uniform width around it. Pls show me how'd you get your answer

    asked by Laveeh on April 26, 2016
  82. physics

    A satellite is orbiting around a planet. its velocity is found to depend upon a.)Radius of orbit b.)mass of planet c.)universal gravitational constant(G) Using dimensional analysis find an expression relating orbital velocity to the above physical

    asked by sahstra kishore on April 25, 2016
  83. Chemistry

    I'm trying to do a lab, and I need to find the concentration of FeSCN+2 in five solutions based the calibration curve and the absorption. I have a calibration curve, the number of mLs and initial moles of Fe+3 and SCN-, the transmittances, the

    asked by Felliax on February 11, 2008
  84. Calculus AB

    So the problem is "For x>0, d(lnx)/dx = 1/x and lne=1. A) find the tangent line approximation for ln 3 B) calculate the %error in approximation in part A. My teacher said the answer for part A is that 1/e, and I'm pretty confused. So far I the given info

    asked by Annie on January 30, 2017
  85. Calculus

    Determine if the Mean Value Theorem for Integrals applies to the function f(x) = x^3 − 16x on the interval [−1, 1]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem. f(a)=15 f(b)=-15 f'(x)=3x^2-16 f'(c)=-15 I am now lost

    asked by Louis on April 3, 2017
  86. Inventor

    Does anybody know a VERY imformative sight about James T. Russell? Search his name on google and you can find some websites. I think the first one is kinda good. I was searching for a specific site. web.mit.edu/invent/iow/russell.html This seems to be a

    asked by kaylmur on October 22, 2006
  87. Math

    Determine whether each event is impossible, unlikely, as likely as not, likely or certain. Then tell whether the probability is 0, close to 0, 1/2, close to 1, or 1. Spinning a spinner that has 5 equal sections marked 1 through 5 and landing on an even

    asked by Patrick on March 27, 2018
  88. physicssss

    a uniquw type of baskettball is played on the planet zarth. During the game a plyer flies above the basket and drops the ball in from a height of 10m. IF the ball takes 5.0 s to fall find the acceleration due to gravity on zarth.

    asked by confusedd!HELPP!!! on September 17, 2007
  89. Math

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the

    asked by Anon on November 23, 2016
  90. Calc 3

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the

    asked by Anon on November 23, 2016
  91. Physics

    A bird lands on a bare copper wire carrying a current of 27 A. The wire is 8 gauge, which means that its cross-sectional area is 0.13 cm2. (a) Find the difference in potential between the bird's feet, assuming they are separated by a distance of 7.2 cm.

    asked by Summer on May 21, 2014
  92. Math

    Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the measure of x in the triangle. Show all your work. This is for the connexus test Essential Tools of Geometry Unit Test Part 2

    asked by Bella on May 3, 2019
  93. Chemistry

    How much carbon dioxide is produced upon the complete combustion of 17.3L of propane (approximately content of one 5-gal tank)? Assume that the density of the liquid propane in the tank is 0.621 g/mL. Can you please list the steps! I am really confused! I

    asked by Maira on November 2, 2015
  94. earth science

    i need to know where i can find the brief mythology of the constallation capracornus([[[capricorn]]]) and the constellations inside the capricornus and the type of star they are and the distance from earth and the magnitude(absolute) and the color and

    asked by theresa on October 3, 2007
  95. hello reiny damon steve can you help me physics

    Find the Gravitational potential at a point on the earth's surface. Take mass of earth as 5.98*10^24kg, it's radius as 6.38*10^6m and G=6.67*10^-11Nm^2kg^-2. Plz i need sir damon and steve including reiny to show me step and solution plz

    asked by danu on May 8, 2017
  96. physics

    A uniform ladder of length L rests against a smooth, vertical wall as shown in the figure below. If the mass of the ladder is m and the coefficient of static friction between the ladder and the ground is muks=0.4, find the minimum angle theta at which the

    asked by joy on April 22, 2018
  97. chemistry repost

    help, i'd like to know how to do this titration question: for example: a 1g sample of naoh contaminated with na2co3 is titrated with 0.500MHCl, and it is found that 46.5mL of HCl are required for neutralization. Find the percentage by mass Na2Co3. ( i did

    asked by alex on April 21, 2008
  98. History

    Hi i am doing a movie review on the film documentary "The Last Days" by James Moll. Could you help me find any footage from the film? or useful info. Also, could you give me some feedback on the following; "Why is it important for history students to learn

    asked by Carol M on April 6, 2008
  99. Physics

    Please help me with this its very hard to visualize the problem. The analytical method of adding vectors expressed in terms of their components may be applied to vectors in three dimensions, for which graphical work is inconvenient. Find the magnitude of

    asked by Donna on September 26, 2016
  100. Physics

    A bullet is fired vertically upward with an initial velocity of 98m/s from the top of a building 100m high, find a) the maximum height reached above the ground b) the total time before reaching the ground. C) the velocity on landing.

    asked by Clement on December 22, 2014

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