1. Physics

    A skier skis from rest from a vertical height h1 = 19.1 m over two successively lower hills of vertical heights h2 = 15 m and h3 = 5.2 m. (Fig. 7-30). The summit of the third hill fits a circle of radius h3 centered at height 0 m. Friction with the snow

    asked by please please please on October 21, 2013
  2. STATISTIC

    You want to rent an unfurnished one-bedroom apartment in Dallas next year. The mean monthly rent for a random sample of 11 apartments advertised in the local newspaper is $1050. Assume the monthly rents in Dallas follow a Normal distribution with a

    asked by YOMO on May 27, 2017
  3. Physics

    A skier skis from rest from a vertical height h1 = 19.1 m over two successively lower hills of vertical heights h2 = 15 m and h3 = 5.2 m. (Fig. 7-30). The summit of the third hill fits a circle of radius h3 centered at height 0 m. Friction with the snow

    asked by webassign on October 20, 2013
  4. Chemistry

    A mixture of BaCl2.2H2O (FM244.26) and K2SO4 (FM 174.26) is heated at 160C for an hour, causing the water molecules to leave. A sample originally weighing 2.0027 g weighed 1.9021 g after heating. Calculate the mass percent K2SO4 in the sample. In a

    asked by Asuna on September 28, 2011
  5. physics

    During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 0.144-kg baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 14.9 m / s, shatters the glass as it passes

    asked by nic on November 4, 2014
  6. chem!

    Calculate the heat of reaction for the incomplete combustion of 67.0g propane producing carbon monoxide gas and water vapour. how would I go about and do this question? What are you studying? Do you know how to use the thermodynamic tables (delta Ho, etc).

    asked by Chem on May 14, 2007
  7. math

    On a rectangular piece of cardboard with perimeter inches, three parallel and equally spaced creases are made (see Figure 1). The cardboard is then folded along the creases to make a rectangular box with open ends (see Figure 2). Letting represent the

    asked by Anonymous on April 5, 2014
  8. probablity

    We are given a biased coin , where the probability of heads is q. he bias q is itself the realization of a random variable Q which is uniformly distributed on the interval [0,1]. We want to estimate the bias of the coin. We flip it 5 times, and define

    asked by Anonymous on December 23, 2018
  9. Ochem

    What would be a newer more efficient method to do the qualitative analysis of an unknown. I am trying to find a good method and asses its greenness (Green chemistry) and say why it better than the common method used. please help as soon as possible. This

    asked by Jamshid on June 20, 2006
  10. Physics

    During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 148-g baseball crashing through the pane of a second-floor window in a nearby building. The ball strikes the glass at 10.1 m/s, shatters the glass as it passes through,

    asked by Kyle on November 19, 2012
  11. Math

    Arrange these in order from least to greatest: arctan(-sqrt3), arctan 0, arctan(1/2) So far I got the first two values, arctan(-sqrt3), and that's 150 degrees. Arctan 0 would be zero degrees. I'll use just one answer for now, but I know there's more than

    asked by Anonymous on August 13, 2009
  12. physics

    Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.14g and a charge of magnitude q. the balls are attracted to each other. When in equilibrium, the balls are separated by a distance of 2.05cm and the threads attached to

    asked by stoic-rider77 on January 18, 2013
  13. marketing

    I am doing a marketing assignment on the website for Kraft. I am supposed to find out their product mix width, length, depth and consistency. I am a bit confused though. As far as the company's width I think it is: health and wellness; quick meals; snacks;

    asked by Jen on March 18, 2008
  14. Estimating Quotents

    How do you estimate quotents and find a overestimate or a underestimate? If you know please please let me know! I searched Google under the key words "estimate quotients" to get these possible sources:

    asked by Jordan on January 4, 2007
  15. Communication

    what are the basics for doing a powerpoint presentation All Microsoft Office programs have very good "Help" sites, and if you have Office 2003 or later, you'll be able to get help online, too. In addition, if you click on File and then on New, you will

    asked by Anonymous on February 22, 2007
  16. mangement

    How might an automobile company use a management information system to reduce its costs and better serve its customers? Explain the various types of input data the system might use, and describe what types of output reports managers would find useful. Wow.

    asked by stacy on April 10, 2007
  17. math

    How did they get to this answer can someone explain the steps. Directions: Find the future value of each ordinary annuity, if payments are made and interest is compounded as given. R = 15,000; 12.1% interest compounded quarterly for 6 yrs. answer:

    asked by student on June 19, 2007
  18. Science Fair

    I'm doing my AMAZING (my teacher is hovering over me right now, I don't think that) project over dissolving sugar into different liquids in different temps. It's super boring, but I'm forced to do it anyway. Does anyone here know of some science fair

    asked by Kirby on April 11, 2007
  19. Physics

    The Leyden jar, invented by chance in 1746, was one of the earliest types of capacitors (see the figure below), made by covering the inner and outer surfaces of a glass jar with conducting layers (for example, aluminum foil). It is a good approximation to

    asked by Brandi on July 2, 2014
  20. English

    1) Writeacher, I need the help of a science teacher to find a theme high-school students (aged 16 and 17) can investigate with their German and French partners. Our students study biology (also bilotechnologies) , chemistry, and earth science. 2) Can you

    asked by Henry2 on October 29, 2011
  21. physics

    I have no idea. Please help. Thank you. The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the drawing, find

    asked by Lola on June 25, 2015
  22. Statistics

    A department store is running a promo one Saturday by giving out coupons for $10 of free merchandise. However, one-third of customers spend $40, and one-third spend$75. The remainder of customers who come in the store do not take advantage of the promo at

    asked by Leslie on June 30, 2013
  23. College Physics

    A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of

    asked by Lelia on November 27, 2012
  24. Physics: Lenses

    1) A convex lens with a focal lenght of 4.0cm is placed 20.0cm from a concave lens with a focal lenght of 5.0cm. Find the position of the image when the object is placed 12.0c, in front of the convex lens. 2) A double concave lens has a refractive index of

    asked by Anonymous on March 23, 2009
  25. Chemistry

    Rate = k’[CV], where k’ = k[NaOH]y Look at the graphs for Run 1 and Run 2 that pertain to the order of the reaction with respect to [CV]. The slope of the graphs is equal to k’, which is itself equal to k[NaOH]^y. In the first run, [NaOH] = 0.010 M

    asked by ryancon on September 11, 2018
  26. Geometry

    I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other

    asked by Josh on July 9, 2013
  27. math

    Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the fixed cost incurred by the firm, and x the level of production

    asked by Dee on May 7, 2011
  28. Math

    A number cube is shown is rolled and a spinner is spun. Find P(an odd number and yellow) The cube numbers are 1,5,3 that are being shown. The spinners colors are yellow in the top left corner, blue in the left bottom color, green in the top right color,

    asked by Sonali on April 8, 2015
  29. statistics

    Expected relative frequency probability represents a calculated probability based on large numbers of trials. In an example of a deck of 52 cards, where you randomly pull cards from the deck and record what they are, you find that over 1000 random draws,

    asked by carlos on July 28, 2012
  30. Math

    Use the display of data to find the standard deviation. A bar graph titled Score with a horizontal axis labeled from 5 to 11 in increments of 1 and a vertical axis labeled Frequency from 0 to 12 in increments of 2 contains three vertical bars with labels

    asked by Jessica on April 1, 2017
  31. physics

    A long, straight wire has a 12.1 A current flowing in the positive x-direction, as shown in the figure. Close to the wire is a square loop of copper wire that carries a 2.23 A current in the direction shown. The near side of the loop is d = 57.1 cm away

    asked by Anonymous on December 10, 2012
  32. Chemistry

    What atomic mass is equivalent to seven helium nuclei? What atomic number is equivalent to seven helium nuclei? Now subtract that from the atomic mass and number of ununhexium suppose the isotope of ununhexium ( find the symbol for this as well) undergoes

    asked by bobpursley on February 21, 2007
  33. Physics

    A person on horseback moves according to the velocity-versus-time graph shown in Figure 2-32. (The vertical axis is marked in increments of 1 m/s and the horizontal axis is marked in increments of 7 s.) Find the displacement of the person for each of the

    asked by Robert C on October 12, 2009
  34. Physics

    A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of

    asked by Lelia on November 27, 2012
  35. physic

    After pushing a 22.2 kg kid and tricycle over 10.3 m of smooth, level sidewalk from rest, the "combo" is moving at 3.0 m/s. Find the combo's kinetic energy. (the answer is 99.9j) what net force must have been delivered to the combo?Now you stop pushing and

    asked by sorry on October 21, 2014
  36. College Physics

    A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of

    asked by Lelia on November 27, 2012
  37. economics

    You have the following data. A monopolist produces 1000 units of output per month, and sells it at the price of 10 each. You know that the monopolist does not do any price discrimination, and you also know that the price-cost margin of this firm (P-MC)/P

    asked by joe on January 13, 2011
  38. stat

    Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. A researcher wishes to estimate the mean amount of money spent per month on food by households in a certain neighborhood. She desires a

    asked by jim on April 26, 2015
  39. Physics

    Two children pull a third child on a snow saucer sled exerting forces F1 and F2 as shown from above in Figure 4.36. Find the acceleration of the 49.00-kg sled and child system. Note that the direction of the frictional force is unspecified; it will be in

    asked by Mohanad on March 4, 2014
  40. Physics-Totally lost

    I'm totally lost on this one- the earth is surrounded by an electric field with a strenth of 100 N/C at the surface. Its electric properties are the same as a point charge located at its center. How would the gravatational force and electrical force

    asked by Rafaela on April 7, 2011
  41. Stats

    The manager of Lone Star Restaurant believes that the average wait time of the Saturday evening meal is 30 minutes. To test this belief, the manager selects 50 customers at random and computes the average wait time to be 34 minutes. Assume a population

    asked by Lucy on November 9, 2015
  42. Math ASAP ASAP!!!!!

    Earl earns a weekly salary of $150 plus 20% of amount of his sales for the week. Last week he earned $230. The equation below can be used to find "s" the amount of his sales in dollars last week 230=150+0.2s What was the amount of Earl's sales last week?

    asked by Courtney on January 15, 2016
  43. chemical and ionic equlibrium

    1. calculate H+ ion concentrates in 0.10 m acetic acid solutions. Given that dissociation constant of acetic acid in water is 1.8 * 10^-5 ? 2. Calculate the concentration of H+ and OH- in a 0.05 m HNO3 solutions at 25^0c ? 3. The degree of dissociation of

    asked by pramod on March 31, 2010
  44. Algebra

    Part 1: A rectangular garden has a walk around it of a width x. The garden is 20 ft by 15 ft. Write a function representing the combined area, A(x), of the garden walk. Write as a polynomial in standard form. Part 2: Use the function you came up with in

    asked by Jen on January 23, 2019
  45. Algebra II

    Please check answers: Use the equation of the exponential function whose graph passes through the points (0,-2) and (2,-50) to find the value of y when x= -2. My answer: -2/25 Solve 64^x/=5/2 Thanks.

    asked by Lucy on March 29, 2008
  46. Calculus

    A spherical balloon is inflated at a rate of 10 cubic feet per minute. How fast is the radius of the balloon changing at the instant the radius is 4 feet? And The radius of a circle is decreasing at a rate of 2 ft/minute. Find the rate at which the area is

    asked by Branden on August 26, 2011
  47. Physics

    Find the heat necessary to change 2.5kg of water (ice) at -2 degrees C to steam at 105 degrees C. specific heat ice= 2060 specific heat water= 4180 specific heat steam= 2020 heat of fusion= 3.34X10^5 heat of vaporization= 2.26X10^6

    asked by Brittany on November 18, 2010
  48. Chemistry

    HELP£¡ can someone find identify one chemical reaction that C4H4O4 is involved in. Or the synthesis of the compound? C4H4O4 is a formula that applies to both maleic and fumaric acid. A synthesis reaction of reaction of maleic acid is: Maleic acid

    asked by Qing on December 18, 2006
  49. Algebra

    Two investments in high- technology companies total $1,100. If one investment earns 10% annual interest and the other earns 10%, find the amount of each investment of the total interest earned is $140 for the year. The value of the investment which earns

    asked by Lauren Tiku on September 26, 2016
  50. Algebra 2

    It takes You, riding a motorcycle, 2 hours less time to travel 60 miles than it takes Marley to travel 50 miles riding a horse. You travel 10 miles per hour faster than Marley on a horse. Find yours and Marley’s times and rates of travel. Hint: Set up a

    asked by Nicole on February 13, 2015
  51. Physics

    This is a projectile motion problem where I need to find the velocity and angle I launch a ball at to hit a ship. The ball is on a cliff 400 m high, and the ship is 250 m away from the cliff. The ship is moving away at a velocity of 40 m/s. What velocity

    asked by Kristina on December 18, 2008
  52. Contract Law

    Hello, I have a question. Does Electronic Commerce Act, 2000 require companies to do business through electronic means? And it says provide statutory( which means legal) reference. I think that it doesn't require the companies to do business through

    asked by Yana on November 16, 2009
  53. Statistics

    The serum cholesterol levels in men aged 18 to 24 are normally distributed with a mean of 178.1 and a standard deviation of 40.7. A group of 9 men aged 18 to 24 randomly selected. 1. Find the probability that there are at least 2 men in the group whose

    asked by Kim on May 3, 2012
  54. physics

    (a) Find the magnitude of the total force of the traction apparatus applied to the leg, assuming è = 31°, the weight of the leg is 21 N and the weight hanging from the traction apparatus, m, is also 21 N. 1 N (b) What is the horizontal component of the

    asked by Anonymous on June 6, 2011
  55. physics

    Peggy drives from Cornwall to Atkins Glen in 46 min. Cornwall is 73 km from Illium in a direction 29° west of south. Atkins Glen is 26.3 km from Illium in a direction 20° south of west. Use Illium as your origin. Find the displacement during the trip in

    asked by Sandhya on January 21, 2010
  56. statistics

    using the 68- 95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard diviation of 20. Use the 68-95-99.7 rult to find the following quantities: percentage of scores less than 100 relative frequency of

    asked by margaret on August 19, 2010
  57. Algebra - polynomial

    If a manufacturer charges p dollars each for rugby shirts, then he expects to sell 2000 – 100p shirts per week, What polynomial represents the total revenue expected for a week? How many shirts will be sold if the manufacturer charges $200 each for the

    asked by Don on July 14, 2008
  58. math

    Find the product 1. (2x)(10x) (1 point) 20x 12x 20x^2 5x 2. –3m(m + 8) (1 point) –3m2 + 24 –3m2 – 24m –24m^2 –4m + 5 3. 4d(2d – 9) (1 point) 8d – 36d –d –28d^2 8d^2 – 36d 4. (3x + 4)(x – 2) (1 point) 3x^2 – 2x – 8 x – 8 3x –

    asked by zumai on May 21, 2014
  59. Geography

    which of the following was a belief of the quakers that set them apart from ither religious groups that settled in the american colonies? A. Quakers believed that all people are equal in God's eyes B. Quakers believed in freedom of religion C. Quakers

    asked by Please help on October 4, 2016
  60. Trig

    The problem is: an airplane is flying in the direction 120 degrees with an airspeed of 320 mph, and a 35 mph wind is blowing in the direction 60 degrees. The question ask to find the true course and the ground speed. To solve the problem I have done this:

    asked by Morgan on June 2, 2014
  61. Advanced Production

    The data in the following table represent time-study observations on a new operation with three work elements. On the basis of these observations, find the standard time for the process. Assume an 8% allowance factor. Element-1,2,3. Performance

    asked by D.Martin on April 26, 2007
  62. Physics

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 19, 2013
  63. Physics

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 19, 2013
  64. Chem

    I did this experiment where I filled a graduated cylinder with water. The I put a stopper on it and put it under water and removed the stopper. The with a modified lighter (that wouldn't release sparks) I added butane gas. I got the following results: mass

    asked by Lena on December 11, 2008
  65. maths

    3. Suppose that a particle moves in a plane with trajectory given by the polar equation r=2bsintheta for some constant b > 0.Show that this can be written in Cartesian coordinates as,x^2 + (y-b)^2 = b^2;This is the equation for a circle of centre (0; b)

    asked by gemma on February 20, 2013
  66. SIMONSAY, PLEASE HELP

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 18, 2013
  67. Physics, help with a similar problem I just posted

    I posted a the same problem with different numbers a minute ago. The answer to the problem below (same as the other with different numbers) is 28 degrees. Maybe this will help to solve it? Thanks! A block is hung by a string from the inside roof of a van.

    asked by Dan on October 19, 2011
  68. Mechanics AS (Vectors)

    When Studying Vectors, How Would I Go About Answering This Question? In Each of the following Cases, find the magnitude and direction of the resultant vectors of the two given vectors: a) a displacement of magnitude 26km on a bearing of 175 degrees and a

    asked by Jat on February 21, 2012
  69. MATLAB

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 19, 2013
  70. PLEASE REPLY

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 17, 2013
  71. MIT LAB PLEASE HELP

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 17, 2013
  72. Mechanics

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 19, 2013
  73. Mechanical Engineering

    A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free"

    asked by AMK on May 19, 2013
  74. Math

    Jane lives in Middleton, where the tax rate is 2.9%. Her property is assessed at $89,000. What is her tax? Find the total tax deductions for each of the following weekly paychecks. weekly pay $98.00 $240.00 $150.00 FICA (7.65) ? ? ? Which item is more

    asked by Dev on January 12, 2010
  75. Math

    I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)? Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from

    asked by Matt on January 24, 2016
  76. Chemistry

    What is the solubility of CuCl when it is in a solution of 0.35 M NaCl?(CuCl has Ksp=1.9 x 10^-7) The Ksp is given by Ksp=[Cu+][Cl-] if x=[Cu+] then in our mixture we have x moles l^-1 [Cu+] x moles l^-1 [Cl-] 0.35 moles l^-1 [Cl-] from the NaCl (there is

    asked by Chrissy on April 10, 2007
  77. PLEASE HELP

    An employee who produces x units per hour earns an hourly wage of y = 0.40x + 9 (in dollars). Find the hourly wage for an employee who produces 3 units per hour. Wouldn't it be wage=.4*3 + 9

    asked by carol on June 11, 2007
  78. English

    correct the following sentence: elvis our cat play with his toy and then he played on the scratching post There are 6 errors but I could only find 5. Elvis, our cat played with his toy, and then he played on the scratching post.

    asked by Jess on February 25, 2014
  79. math

    A rectangular photograph is mounted on a rectangular card. There is a border ofequal width around the photograph. The perimeter of the card is 40 centimeters longer than that of the photograph. Find the width of the border in centimeters.

    asked by shannon on March 5, 2013
  80. math 214

    Answer each of the following: a. Draw a line l’ and any two points A and B so that AB is parallel to the line. Find the image of l under a translation from A to B. b. Draw a line l and any two points A and B so that AB is not parallel to l. Construct

    asked by brina on December 21, 2009
  81. Algebra

    Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same distance in 8 hrs. Find the still air speed and wind speed.

    asked by Christian on November 7, 2011
  82. Math

    Mandy scores b points in a basketball game. Jay scores 3 points less than Mandy. Kareem scores 2 times as many points as Mandy. Find the number of points that Jay scores in terms of b.

    asked by Sam on February 20, 2014
  83. science

    You are given three displacement vectors: with magnitude 5.0 m in the direction of 60o below the negative x-axis, vector, has an x-component of +2.5 m and a y-component of +6.0 m and vector has magnitude of 2.5 m in the negative y-axis. Find the vector so

    asked by miezi on July 22, 2013
  84. Geometry

    Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.

    asked by Jonathan on April 21, 2016
  85. Algebra 1

    In 1991, the federal minimum wage rate was $4.25 per hour. In 1997, it was increased to $5.15. Find the annual rate of change in the federal minimum wage rate from 1991 to 1997.

    asked by Grace on February 7, 2013
  86. Geometry

    Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.

    asked by Stephen on April 21, 2016
  87. Calculus

    4. At time t, t>0, the volume of a sphere is increasing at a rate proportional to the reciprocal of its radius. At t = 0, the radius of the sphere is 1 and at t = 15 the radius is 2. a. Find the radius of the sphere as a function of t. b. At what time t

    asked by Anonymous on February 14, 2012
  88. Math

    ΔABC and ΔDEF are similar. Find the values of x and y. Triangle ABC is shown with side AB labeled y, side BC labeled 12, and side CA labeled 21. Triangle DEF is shown with side DE labeled 6, EF labeled 4, and FD labeled x. A. x = 7, y = 12 B. x = 21, y =

    asked by Anonymous on October 28, 2018
  89. math

    a number with missing digits is given below.study the given clues and find out this number: 6_ _ _6 clues: a). the tens digit is 2 more than thee ones digit. b).the hundreds digit is 5 less than the tens digit. c).the thousands digit is 3 less than the

    asked by aya corneto on June 15, 2016
  90. math

    23.Suppose you choose a marble from a bag containing 6 red marbles, 3 white marbles, and 4 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue). a. 10/13 b. 9/13 c. 24/169 d. 24/13

    asked by Anonymous on May 29, 2012
  91. calculus

    Suppose the area of a square is increasing with time.At the time when the side of the square is 4 meters and the change in area is 2 sq meters per min, find the change in the length of the side of the square.

    asked by lee on November 6, 2011
  92. Alg/Trig

    The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.

    asked by Anonymous on February 26, 2014
  93. geometry

    ABCD IS A PARALLELOGRAM.P IS A POINT ON SIDE CD.AREA OF TRIANGLE ADP=48 SQUARE CENTIMETRE AND AREA OF TRIANGLE BCP=30 SQUARE CENTIMETRE FIND AREA OF PARALLELOGRAM ABCD

    asked by DEEPI on February 9, 2018
  94. Math

    Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.

    asked by Janice on April 21, 2016
  95. Math- I'd really appreciate it if you could help!!

    Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.

    asked by Jenna on April 21, 2016
  96. math

    Judd paid 182 dollars for a thermos, a blender, and a microwave. The blender cost 35 more dollars than the thermos. the microwave cost 65.50 more than a blender. Find the cost of the blender? please show your work.

    asked by lidia on November 3, 2012
  97. Geometry 10th grade

    Find the perimeter or given triangle. KLM if JHG~KLM, KM=6, HJ=3, JG= 4, and GH=6. The biggest triangle is FHL. KLM is part of right corner of the big triangle and JHG is the left corner of the big triangle.

    asked by T on June 7, 2010
  98. Math

    Each letter in this addition problem stands for a different digit, but every letter stands for the same digit everywhere it appears. For example, all of the C's stand for the same digit. Reconstruct the problem to find the value of SCENE. CUTS +CUTS ------

    asked by Samantha on October 1, 2014
  99. Intro Chemistry

    Given: C2H2(g) +2HF(g) -> C2H4F2(g) Find: pressure in a 10.0L flask when the reaction is complete When 1.0 mol of C2H2 and 5.0 mol pf HF are reacted in a 10.0 L flask, what will be the pressure in the flask at 0 degrees C when the reaction is complete?

    asked by Laichun on May 5, 2013
  100. calculus

    Find the points at which y = f(x) = 5x−ln(5x) has a global maximum, a global minimum, and a local, non-global maximum on the interval .1 ≤ x ≤ 2. Round your answers to two decimal places. Global Minimum: (x,y) = (,) Global Maximum: (x,y) = (,) Local,

    asked by Erika on November 1, 2010

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