Questions Asked on
November 28, 2011

  1. chem

    Classify as a strong, weak, or non electrolyte. FeCl2, HBr, HCN, CaCO3. I put FeCl2 and HBr as strong, HCN as weak and CaCO3 as non.

    asked by Anonymous
  2. Chemistry

    Consider the following reaction: 2NaCl(aq) + H2O(l) -> Cl2(g) + H2(g) + 2NaOH(aq) A 10.0g sample of sodium chloride was placed in 10.0 g of water. If 3.85 g of Cl2 was obtained, what was the percent yield of Cl2?

    asked by Jenni
  3. World Geography

    What biomes have the highest population density?

    asked by Linda
  4. statistics

    This table shows claims and their probablity for an insurance company. AMOUNT OF CLAIM PROBABILITY $0 0.65 $50,000 0.25 $100,000 0.06 $150,000 0.02 $200,000 0.01 $250,000 0.01 1. Calculate the expected value? 2. How much should the company charge as an

    asked by Anonymous
  5. geometry

    YW bisects angle XYZ. m of angle XYW = (2x + 7)degrees and m of angle XYZ = (6x - 8)degrees. Find the value of 'x'.

    asked by Mekolily
  6. calculus

    find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?

    asked by seth
  7. Geometry

    To reach a campsite, a hiker first walks for 2 mi at a bearing N 40 degree E. Then He walks 3 mi due east. What are the magnitude and direction of his hike from his stating point to the campsite? Round the distance to the nearest tenth of a mile and the

    asked by Jay
  8. chemistry

    10). What is the molarity of an HCl solution if 42.5 mL of a 0.110 M KOH solution is needed to titrate a 25.0-mL sample of the acid? A) 0.187 M HCl B) 0.587 M HCl C) 0.0647 M HCl D) 5.35 M HCl E) 1.70 M HCl

    asked by denis
  9. Chemistry

    Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 X 10^-18J? A) 3 B) 4 C) 2 D) 6 E) 5

    asked by Nancy
  10. Math

    Art Newner wants to know how much he will have to invest today in order to receive an annuity of $8,000 for three years if interest is earned at 10 percent annually. He will make all his withdrawals at end of each year. How much should Art invest? (Using

    asked by Anonymous
  11. Math

    Joe Diamond deposited $9,000 into the Rong Bank that pays 12 percent interest, compounded quarterly. Calculate the amount Joe will have in his account at the end of 4 years. (Using the Calculator)

    asked by Anonymous
  12. chemistry

    5. The industrial production of hydroiodic acid takes place by treatment of iodine with hydrazine (N2H4): 2I2 + N2H4 → 4HI + N2 a.How many grams of I2 are needed to react with 36.7 g of N2H4

    asked by davian
  13. math

    what do the fans sing at university of california football games?

    asked by Anonymous
  14. math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires. Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous
  15. chem

    Classify as a strong, weak, or non electrolyte. FeCl2, HBr, HCN, CaCO3. I put FeCl2 and HBr as strong, HCN as weak and CaCO3 as non.

    asked by Anonymous
  16. chemistry

    9). What is the balanced equation for the acid–base reaction of nitrous acid with lithium hydroxide? LiOH(aq) + HNO3(aq)  H2O(l) + LiNO3(aq) Li(OH)2(aq) + 2 HNO3(aq)  2 H2O(l) + Li(NO3)2(aq) LiOH(aq) + HNO2(aq)  H2O(l) + LiNO2(aq) 2 LiOH(aq) +

    asked by denis
  17. Calculus

    Hello, could someone please help me with this problem? I'm a little stuck with it. Thanks, Isaac A rectangle is to be inscribed with its base on the x-axis and its other two vertices above the x-axis on the parabola y=9-x^2 (a) find the dimensions of the

    asked by Isaac
  18. geometry

    ok what is the value if x (2x+24) degrees on the top of the lines that form a X and on the other side of the angle is 142 Degrees.. I know you have to have 180 degrees but those x's confuse me. I have this figure out and narrowed down to two answers....

    asked by Cindy
  19. Math

    Alice Wolf wants to know how much she will have to invest today in order to receive an annuity of $6,000 for four years if interest is earned at 10 percent annually. She will make all her withdrawals at the end of each year. How much should Alice invest?

    asked by Anonymous
  20. chemistry

    What is the wavelength of a 2500 kg truck traveling at a rate of 70 km/h?

    asked by haley
  21. chemistry

    Potash is composed mainly of potassium carbonate, K2CO3. If 1.000g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the percentage of potassium carbonate in the marble sample? K2CO3 + H2SO4 ==> K2SO4 + H2O + CO2

    asked by Monique
  22. Organic Chemistry

    Look up the density of n-butyl chloride (1-chlorobutane). Assume that this alkyl halide was prepared instead of the bromide. Decide whether the alkyl chloride would appear as the upper or lower phase at each stage of the separation procedure: after the

    asked by Ariel
  23. math

    eight pairs of data yield the regression equation y^1=55.8+2.79x. What is the value of y for x=5.6?

    asked by destiny
  24. Math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires? Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous
  25. Math

    Jim Hunter decided to retire to Florida in 10 years. What amount should Jim invest today so that he will be able to withdraw $25,000 at the end of each year for 30 years after he retires. Assume he can invest money at 9% interest compounded annually.

    asked by Anonymous
  26. Math

    At the beginning of each period for 9 years, Scott Sullivan invested $900 quarterly at 4% interest compounded quarterly. What is the present value of this annuity due? (Using the Calculator)

    asked by Anonymous
  27. chemistry

    if u place 10 L of propanol (C3H8O)in a sealed room that is 7.5 m long , 3 m wide and 3 m high, will all the propanol eveporate?if some liquid remains, how much will there be?the vaopr pressure of propanol is 10.7 torr at 25 C, and the density if the

    asked by ian
  28. chemistry

    6). Which solution has the lowest pH? A) 1.3 X10–8 M –OH B) 1.0 X 10–7 M –OH C) 5.1 X10–5 M –OH D) 3.9 X 10–8 M –OH E) 2.3 X 10–3 M –OH

    asked by denis
  29. Physics

    Four particles in the xy plane have the following masses and coordinates: 1 kg at (3 m, 3 m), 2 kg at (-2 m, 4 m), 3 kg at (3 m, -2 m) and 4 kg at (-3 m, -4 m). Find the total moment of inertia about: x-axis? y-axis? z-axis?

    asked by Bob
  30. business

    how to do Legal Research for this Issue Employment Discrimination 2. Textbook reference: Chapters 5, 35 3. Possible search terms: ethics, employment discrimination, Title VII, past discrimination 4. Here is the situation: ABC Corporation decides to respond

    asked by bb
  31. Geometry

    The piolet of a single-engine airplane flies at a constant speed of 200 km/h at a bearing of N 25 degree E. There is a 40 km/h crosswind blowing southeast (S 45 degress E). What are the plane's actual speed and direction? Round the speed to the nearest

    asked by Jay
  32. physics

    A propeller spins at 1850 rev/min. (a) What is the angular velocity in rad/s? (b) What is the angular displacement of the propeller in 4.10 s?

    asked by Becca
  33. math

    One box holds 16 crayons another box holds 24. Write a sentence using words that compares the crayons in the two boxes.

    asked by kamari
  34. Physics

    Zinc has a work function of 4.30 ev . A 4.50eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron?

    asked by paige
  35. math

    The of population Oak Forest is increasing at a rate of 2% a year. If the population is 64,242 today, what will it be in 3 years?

    asked by issa
  36. Calculus AB/AP

    A tank with a rectangular base and rectangular sides is to be open at the top. It is to be constructed so that its width is 4 meters and its volume is 36 cubic meters. If building the tank costs $8 per square meter for the base and $4 per square meter for

    asked by Julie
  37. physics

    (a) What linear speed must an Earth satellite have to be in a circular orbit at an altitude of 129 km above Earth's surface? (b) What is the period of revolution? All right, I swear I have done everything and cannot figure this out!

    asked by Kylee
  38. Chemistry

    how do you expect the following series of compounds to compare in behavior in the two tests? The two tests performed were... A. Sodium Iodide in Acetone (SN2) B. Silver Nitrate in Ethanol (SN1) 1. CH3-CH=CH-CH2-Br 2. CH3-C=CH-CH3 3. CH3-CH2-CH2-CH2-Br I Br

    asked by Scarlet
  39. Fitness and Safety

    Are these right ? 7. Which major muscles are used in your arm when you pick up a bowling ball and throw it down a bowling lane? Name 4. 1. Pectoralis 2. Trapezius 3. Deltoid muscle 4. Triceps 8. Which muscles in the legs are used to do a jumping jack

    asked by Anu
  40. chemistry

    complete combustion of a 0.0100mol sample of hydrocarbon, CxHy, gives 1.344 L of CO2 at STP and 0.720 g of H2O. a. what is the molecular formula of hydrocarbon? b. what is the empirical formula of hydrocarbon?..

    asked by SHY
  41. physics

    the roof on a house rises 1 .00 m over a horizontal distance of 3.5 m. a 71 kg roofer stands on the roof. is the frictional force that keeps the roofer from slipping equal in magnitude to fparallel or fperpendicular? what is the magnitude of this force?

    asked by inclined plane
  42. Mechanics

    At t = 0 s a flywheel is rotating at 30 rpm. A motor gives it a constant acceleration of 0.9 rad/s^2 until it reaches 70 rpm. The motor is then disconnected. How many revolutions are completed at t = 20 s?

    asked by Joe
  43. physics

    For no apparent reason, a poodle is running counter-clockwise at a constant speed of 5.40 m/s in a circle with radius 2.3 m. Let v_1 be the velocity vector at time t_1, and let v_2 be the velocity vector at time t_2. Consider change in v = v_2- v_1 and

    asked by jimmy
  44. business math

    Vail Ski Shop received a $1,201 invoice dated July 8th wiht 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. What credit should Vail receive? What is Vail's outstanding balance?

    asked by andrea
  45. physics

    A 68 student consumes 2500 Cal each day and stays the same weight. One day, he eats 3500 Cal and, wanting to keep from gaining weight, decides to "work off" the excess by jumping up and down. With each jump, he accelerates to a speed of 3.4 before leaving

    asked by ekaterina
  46. Calculus

    Given f"(x)=-25sin(5x)and f'(0)=0 and f(0)=4. Find f(pi/2)

    asked by Kelsey
  47. math

    Test these conjectures. Give three examples. Explain if the conjecture is correct or incorrect. 1. If a number is divisible by 4, it is always an even number._________________________________ 2. All multiples of 5 have a 5 in the ones

    asked by lizzy
  48. geometry

    what is the measure of the sum of the exterior angles of an n-gon?

    asked by scp
  49. Physics

    A person pushes a 11.0 kg lawn mower at constant speed with a force of 76.0 N directed along the handle, which is at an angle of è = 41.0° to the horizontal. Calculate the normal force exerted vertically upward on the mower by the ground. Calculate the

    asked by Leah
  50. chemistry

    7). The pH of a solution is 2.89. What is the [H3O+]? A) 1.3 X10–3 M H3O+ B) 1.3 X 1012 M H3O+ C) 7.9 X101 M H3O+ D) 7.9 X 10–13 M H3O+ E) 1.9 M H3O+

    asked by denis
  51. Chemistry

    It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=infinity. I don't know how to solve this

    asked by A.J. Cooper
  52. Calculus

    Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted come whose diameter and height are always the same. (a) Find the rate of increase of the height when the pile is 10ft high. This is a 2 part

    asked by Nathaniel
  53. chemistry

    Consider the following entities: Ar, SiH3F, Xe and CClF3. which one will diffuse the fastest?what is rms speed (m/s) of the slowest moving atom at 25 C..?

    asked by amanda
  54. algebra

    if $192 increased to $363 in 2 years. what is the interest rate

    asked by joetta
  55. Calculus

    Hello, I posted a question earlier but now I'm stuck on the second part of the question. Please help me. Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted cone whose diameter and height are always

    asked by Nathaniel
  56. American Government

    Please explain what conditions cause new democracies to survive and thrive or to fail ?

    asked by Anu
  57. Math

    Abe Frill wants to attend AVP Tech. He will need to have $15,000, 7 years from today. How much should Abe put in the bank today (12 percent quarterly) to reach his goal in the future? (Using the Calculator)

    asked by Anonymous
  58. Physics

    In the experiment, a meter is hooked up to a speaker to monitor the amplitude of the received sound. Suppose the background signal level is 15 mV, the signal is 90 mV with no attenuator and is 30 mV with an attenuator in place. Calculate pt/pi including

    asked by Michael
  59. calculus

    A force of 1300 lb compresses a spring from its natural length of 16 in to a length of 10 in. How much work is done in compressing it from 10 in to 6 in?

    asked by seth
  60. Question (PLZ ANSWER)

    If I get a scholastic art and writing award (winner earns a scholoship) every year will that help me to get to yale. This is a curious question becuase I'm doing this this years and every year till my senior year.

    asked by Laruen
  61. physics

    A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, measured from the vertical. If the index of refraction of water is 1.33, what is the angle è (which is the critical angle of total

    asked by Kristen
  62. Physics

    Two particles with masses 3.1 kg and 6.6 kg are connected by a light rod of length 4 m. Find the moment of inertia of the system about an axis perpendicular to the rod and passing through: a) the midpoint of the rod; b) the center of mass of the system of

    asked by kole
  63. Physics

    At t = 0 s a flywheel is rotating at 30 rpm. A motor gives it a constant acceleration of 0.9 rad/s^2 until it reaches 70 rpm. The motor is then disconnected. How many revolutions are completed at t = 20 s? number of revolutions?

    asked by John
  64. physics

    For no apparent reason, a poodle is running counter-clockwise at a constant speed of 3.40 {\rm m/s} in a circle with radius 2.2 {\rm m}. Let \vec v_1 be the velocity vector at time t_1, and let \vec v_2 be the velocity vector at time t_2. Consider \Delta

    asked by toshi
  65. Calculus

    Find the RMS value of the function i=15[1-e^(-1/2t)] from t=0 to t=4 A. 7.5[sqrt(1+4e^-2 -e^-4)] B. 7.5[sqrt(4-2e^-2 +e^-4)] C. 7.5[sqrt(4+4e^-2 -e^-4)] D. 7.5[sqrt(5-2e^-2 +e^-4)]

    asked by Summer
  66. Statistics

    I have the answer to this question,, but i'd like to know how to do it. I need help finding z. Any help would be great. Thanks. Children and McDonaldfs In a Sports Illustrated for Kids survey of 603 children, 43% preferred McDonaldfs for fast food. The

    asked by JAY
  67. math

    Three men (Tom, peter, and jack)and three women (Eliza, Anne, and Karen) are spending a few months at a hillside. They are to stay in a row of nine cottages, each one living in his or her owm cottage. There are no others staying in the same row of hoses.In

    asked by Dell
  68. math

    Fresh Grapes contain 80 percent water by weight and 20 percent juice, whereas dried grapes contain 15 percent water by weight with the rest juice. How many punds of dried grapes are needed to yield the same amount of juice as 34 pounds of fresh grapes?

    asked by Dell
  69. spanish

    how would u responed too Adonde vas os lunes a las 8:30 de la manana?

    asked by kiara
  70. Physics

    A block of mass 3.1 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 14 cm. Treat the pulley as a disk. Find: a) the acceleration of the block; b) the tension in the rope; c) the speed of the block after it has fallen 55 cm,

    asked by warrren
  71. Algebra

    I have19 coins that are worth a total of $1.10.If they consist only of dimes and nickels, then how many nickels do I have?

    asked by Diego
  72. business math

    Vail Ski Shop received a $1,201 invoice dated July 8th wiht 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. What credit should Vail receive? What is Vail's outstanding balance?

    asked by andrea
  73. social studies

    how did turnpikes,canals,and railroads affect the way that people in different states interacted

    asked by jordan
  74. physics

    A 65.0-kg skier coasts up a snow-covered hill that makes an angle of 27.4° with the horizontal. The initial speed of the skier is 6.37 m/s. After coasting 2.07 m up the slope, the skier has a speed of 4.06 m/s. Calculate the work done by the kinetic

    asked by Yuli
  75. math

    a carpenter was putting up a shelf. the shelf needed to be 87 centimeters long but the piece of wood she had was 1 meter and 28 centimeters long. her saw was 46 cm long. how much did she have to cut off the piece of wood?

    asked by princess
  76. math discrete

    (a)Sarah wants to make a bracelet. She needs some beads and goes to a shop where they sell beads in exactly 100 different colours. i. How many ways can she pick 25 beads, each of a different colour? ii. How many ways can she pick any 25 beads? (b) Suppose

    asked by MATH
  77. E-COMMERCE

    Imagine that you own a small, local clothing store along the Jersey Shore boardwalk and decide that you want to engage in e-Commerce. Write a 4-5 page paper on the following: 1. Imagine that someone has offered you $1,000 to buy your domain name shortly

    asked by Daniel
  78. physics

    A room has the dimensions 3.0 m by 4.0 m by 4.0 m . The air in the room is 79% N2( MW= 28) and 21% O2 (MW = 32). At a temperature of 20 degrees Celsius and pressure of 115 kPa , what is the mass of the air in the room in kilograms?

    asked by ED
  79. physics

    A box is pushed a distance d along a ramp at a constant speed by a horizontal force, Fa. The mass of the box is m. The ramp is inclined at an angle of  above the horizontal and the coecient of kinetic friction between the box and the ramp is k.

    asked by Anonymous
  80. Phsyics

    A 40.6-kg crate rests on a horizontal floor, and a 69.1-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

    asked by darren
  81. Stats

    A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99% confident that the sample standard deviation s is within 5% of the standard deviation. Is such a sample size practical in most

    asked by Lindsey
  82. trig

    Write cot(t) in terms of sin(t) if the terminal point determined by t is in the first quadrant. Do not leave a fraction inside a radical or use absolute value.

    asked by Jamie
  83. calculus

    w=4e^sqrt(s) Find the derivative of the function.

    asked by kim
  84. Geometry

    The figure is formed from tectangles. Find the total area 8Ft 5ft 3ft 3ft I just can't figure this out. or I am having a blond moment

    asked by Cindy
  85. Calculus Help Please

    Ship A is traveling west at 40kkm/h and ship B is traveling north at 30mk/h. Both are headed for the Los Angeles Harbor. (a) At what rate are the boats approaching each other when ship A is 3km and ship B is 4km from the dock? (b) At what rate would the

    asked by Jet
  86. Physics

    8. In an ultracentrifuge a solution is rotated with an angular speed of 3000 rev/sec at a radius of 10 cm. How large is the centripetal acceleration of each particle in the solution? Compare the centripetal force needed to hold a particle of mass 10-5 gm

    asked by Pakilina
  87. physics,

    A student presses a book between his hands The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. The book weighs 30.8 N. The coefficient of static friction between his hands and the book is

    asked by darren
  88. Computer(Math)

    Let C { x#y| x,y ∈ {0,1}* and x ≠ y} show that C is a context free Language...

    asked by Tracy
  89. geometry

    The radius of the inscribed circle is equal to twice the area of the triangle divided by the perimeter of the triangle. Prove that this relationship is true for the inscribed circle in any right triangle.

    asked by elisabeth
  90. geometry

    AB intersects CD at E. If m

    asked by scp
  91. chemistry

    valerie placed 1.0g of salt into one beaker, 1.0g of soil into a second beaker, and 2.0g of sugar in a third beaker. She then added 200mL of water to each beaker and stirred the contents for 3 mintues. How many compounds and how many mixtures did Valerie

    asked by callie
  92. Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the total amount of interest paid to the bank?

    asked by Anonymous
  93. Fitness and Safety

    3. How does it benefit your muscles to do different types of strength training activities? 4. What are some of the challenges or disadvantages of using weight machines? 5. What's the difference between dumbbells and barbells?

    asked by Anu
  94. Physics

    A great white shark with a mass of 3000 kg swimming at 3.00 m/s swallows a 250 kg fish at rest. What is the speed of the great white shark right after swallowing the fish?

    asked by Katie
  95. statistics

    Composite ACT Scores Non-Athletes Athletes 25 21 22 22 27 21 19 29 24 25 26 27 24 30 19 25 27 23 24 26 17 23 23 a. Test an appropriate hypothesis and state your conclusion. Use alpha = .05 for your test. Show the null and alternative hypothesis, the

    asked by jabrony
  96. geometry

    the angles in a hexagon are 135, 62, 151, 140, x and x +6. find the measure of the missing angles.

    asked by brittany
  97. calculus

    Consider the function whose second derivative is f''(x)=7x+6sin(x). If f(0)=2 and f'(0)=3 , find f(x) .

    asked by Katie
  98. Operations Management

    You are managing a breakfast and lunch only restaurant that sells all-inclusive plated meals (i.e. all lunches include any protein or hot foods as well as salads and sides on a single plate). You’ve decided to try and apply “drum-buffer-rope”. You

    asked by Zack
  99. physics

    In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 90.4 kg. When he pulls down on a chin-up bar installed over the scale, the reading decreases to 79.5 kg. What is the magnitude of the force

    asked by darren
  100. Social Studies 9

    PLEASE HELP ! :why was hbc successful as a business enterprise right from the start ?

    asked by Stephanie
  101. 6th grade science

    I am pretty confused about mechanical weathering and chemical weathering. what is the easiest way to remember the differences of these 2 things

    asked by Kate
  102. statistics

    If scores are normally distributed with a mean of 3.06 and a standard deviation of 0.84, what percent of the scores is: (a) greater than 3.9? (b) less than 2.22? (c) between 2.22 and 3.9?

    asked by jennifer
  103. Physics

    Two blocks with masses m1 = 3.9 kg and m2 = 6.7 kg are connected by a string that hangs over a pulley of mass M = 2.2 kg and radius R = 0.11 m as shown above. The string does not slip. Assuming the system starts from rest, use energy principle find the

    asked by John
  104. Civics

    Describe the differences between the House of Representatives and the Senate, and explain the historical, practical, and theoretical reasons why the framers created a bicameral Congress. *For all those who read it, you don't have to fully answer the

    asked by Gabby!
  105. gemetry

    If EF = 9x + 14, FG = 56, and EG = 250, find the value of x. so on a straight line marked E then F in the middle and G on the other end. I am so confused

    asked by Ryan
  106. science

    Describe the process by which a fungus feeds. A fungus feeds first by growing hyphae into the food source. Then chemicals ooze from the hyphae into the food source. The chemicals break down food into substances that the hyphae are able to absorb. I used

    asked by Reed
  107. math

    multiply and simplify k^2+10k+16 k^2+6k __________ x _________ k^2+14k+48 k^2+5k+6

    asked by Jenn
  108. calculus

    F(x)=e^(-3x/2) Let R be the region between the graph of f and the x-axis on the interval 0 to 1 . Find the volume V of the solid of revolution generated by revolving R about the x-axis. Give both exact (symbolic) and approximate (numeric) answers.

    asked by Dylan
  109. Physic

    A machine part is made from a uniform solid disk of radius R = 0.161 m and mass M = 7.75 kg. A hole of radius R/2 is drilled into the disk, with the center of the hole at a distance R/2 from the center of the disk (the diameter of the hole spans from the

    asked by jean
  110. PHYSICS

    If the dummy is thrown forward with a force of 130.0 n while simultaneously being hit from side with a force of 4500.0n what force will the seat belt have exert on the dummy to hold in seat

    asked by BRY
  111. math

    julia shoots 40 baskets and makes 30 what percent did she make

    asked by chase
  112. statistics

    Suppose that weights of 5th grade elementary boys are normally distributed with mean µ =90 lbs and variance ó2 = 4 lbs. Find the weight that corresponds to Q3 and interpret this measure of position.

    asked by Kristie
  113. Statistics

    The average hourly wage of employees in a large nationwide industry is $12.96. Assume the variable is normally distributed, with a standard deviation of $4.46. In a randomly selected sample of 10,000 such employees, how many of them (correct to the nearest

    asked by Melissa
  114. Physics

    A torque of 60 N*m acts on a wheel of moment of inertia 30 kg*m^2 for 5 s and then is removed. a) What is the angular acceleration of the wheel? rad/s^2 b) How many revolutions does it make in 15 s if it starts at rest?

    asked by John
  115. physics

    A 62.7-kg person jumps from rest off a 2.98-m-high tower straight down into the water. Neglect air resistance. She comes to rest 1.09 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This

    asked by Yuli
  116. statistics

    Determine the sample size needed in order to be 95 percent confident the p, the sample proportion of HD television sets that last at least five years without a single repair, is within 0.03 of , the true proportion of sets that last at least five years

    asked by Sierra
  117. Chemistry

    How has the equilibrium been modified in Haber Process? what is the heat value for the following exothermic reaction : Hb(aq) + O2(aq) = HbO2(aq) + (Heat ?)

    asked by krish
  118. Geometry

    A circular flower bed is sectioned off. The arc intercepted by the 120 degree central angle is to be bordered with marigolds. The garden has a diameter of 63 inches. Circumference = Pi * diameter, Pi = 22/7. If you plant the marigolds about eight inches

    asked by Tristan
  119. physics

    How much work would be done if a 50 kg block was pulled horizantally at a 30 degree angle to the horizantal for 10 meters. a) With zero friction b) With -100N friction

    asked by Anonymous
  120. math- factoring

    factor completely 1) 8x^3 + 27y^3 2) u^3 + 125v^3

    asked by Alisha
  121. math

    The sum of three numbers is 81 and their ratio is 3:7:17. What is the value of the smallest number?

    asked by Anonymous
  122. science

    How do some fungi help plants grow larger and healthier? Some fungi help plants grow larger and healthier when their hyphae into or on a plant's roots. The hyphae spread out and absorb the water and nutrients the plants needs.

    asked by Reed
  123. ALGEBRA

    A newspaper article discussing whether Social Security could be cut offered the information shown in the figure. Use the information in these graphs to answer the question. How many workers pay into Social Security for each person getting benefits in 2000?

    asked by Daniel
  124. statistics

    Before 33 33 38 33 35 35 40 40 40 31 After 34 28 25 28 35 33 31 28 35 33 Ten different families are tested for the number of gallons of water per day they use before and after viewing a conservation video. Construct a 90% confidence interval for the mean

    asked by jabrony
  125. Health

    26. When someone is choking you need to perform chest compressions. -False? 31. The female reproductive cell is called an egg. -False? 34. If the egg is not fertilized, then conception occurs. -False? 45. The embryo is a blood vessel-rich organ that forms

    asked by mysterychicken
  126. statistics

    Suppose we have a set of blood pressures with a mean of 110 Systolic, and a sample standard deviation of 15 points. If we assume a normal distribution of Systolic blood pressures, then between what two values can we be assured 99.7% of all Systolic blood

    asked by rene
  127. Math

    Three neighbors are sharing a rectangular strip of land for a garden.They divide the landinto equal peices. What fraction of the land does each person get if they share it equally? Write the answer in more than one way.

    asked by Donielle
  128. Getting Work done with Pulleys

    Wats the hidden shortcut to figure the mechanical advantage for a pulley system by not doing calculations? Is that using many pulleys at once? I really don't know. Just guessing.

    asked by Fizzylicous
  129. basic question

    why is it if you guys don't know the answer or if you don't want to answer a question do you guys leave it unanswered. At least you could do is comment back and say you don't know it to at least let people know that you have seen their questions.

    asked by destiny
  130. phiscal science semester 2

    For the reaction C2H6+O2>CO2+H2O what are the coefficient to the chemical substance it goes with for balanced reactions?

    asked by bailey
  131. math

    i need help on arrays and an expanded algorithm please wright as asap please

    asked by jimena
  132. English

    I urgently need you to check these sentences. I have a few doubts on how to vary past perfect tenses (when turning the summary into the present). I included my doubts using question marks. Thank you. 1) After moving the bed aside he takes three

    asked by Henry2
  133. math

    factor quadratic equation x^2-20x-10,925

    asked by luna
  134. calculus

    find the area of the region under y=6 ln(3 x) and above y=8 for 4

    asked by Bella
  135. calculus

    Let f''(x)=5x+5 with f'(2)=1 and f(-2)=2. Find f'(x) and f(3)?

    asked by Katie
  136. Chemistry

    At 20 degrees C ethanol has a density of 0.789 g/ml and H2O has a density of 1.0 g/ml. What is the % by volume of ethanol of a solution made by adding 50g of ethanol with 50g of H2O?

    asked by Shelly
  137. English

    Hello. Please tell me if it's possible (and natural) to say: 1)the city central square; 2)the central city square; 3)the city's central square. The meaning: the central square of the city. Thank you for help.

    asked by Ilma
  138. math- factoring

    factor completely 1) 8x^3 + 27y^3 2) u^3 + 125v^3

    asked by Alisha
  139. Finance

    IBM's common stock has a beta of 0.85. If the expected risk-free return is 4.5% and the market risk premium is 7%. a) Calculate IBM’s required rate of return (10pts) b) Assume IBM’s actual realized return is 15%. Calculate its abnormal return (i.e.

    asked by Anonymous
  140. Operations Management

    6. You manage the Distribution Center shown in the diagram below which, for one particular product, supplies only the two retail locations, A and B. You want to convert from your old Reorder Point-based ordering format to Pull Replenishment. It takes you 2

    asked by Zack
  141. math

    You have used 225 of your 500 sheets of printer paper. What fraction of the paper have you used?

    asked by Dalilah
  142. phsyics

    A 40.6-kg crate rests on a horizontal floor, and a 69.1-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

    asked by darren
  143. math

    Subtract simplify by collecting like radical terms 6square root symbol 75 -7square root symbol 3 I cant figure out how to square 75?

    asked by Allison A
  144. calculus

    Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!

    asked by kim
  145. geometry

    pq and pr are opposite rays. If pq is represented by 4x + 26 and pr is represented by 2x+34, find x

    asked by scp
  146. 8th grade math

    The sum of three numbers is 81 and their ratio is 3:7:17. What is the value of the smallest number?

    asked by Manny
  147. English

    Could you please check these sentences? 1) Your paragraph lacks an introduction as well as a conclusion. You referred to the requested topic only near the end of your paragraph. 2) You wandered off the subject focusing your attention on the description of

    asked by Henry2
  148. Accounting

    how and what do I post from the cash receipts journal to the general journal

    asked by Dee
  149. Science Fair

    Is there any science fair contests that are going on in spring valley????

    asked by Laruen
  150. math-college URGENT**

    in sentence form using one variable and one equation/inequality solve: sue makes $15/hour tutoring and averages $10/hour waitressing. Out of 30 hrs working time, what is the minimum # of hours she should tutor if she is to make at least $475?

    asked by Anne
  151. Finance

    A portfolio consists of three stocks. The weight, expected rate of return and systematic risk for each stock are provided in the following table. Stock Investments Expected return A $7,500 20% B $10,000 15% C $2,500 10% Beta 1.5 1 0.9 a) Calculate the

    asked by Anonymous
  152. Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the interest amount paid on the 5th payment?

    asked by Anonymous
  153. algebra

    find the vertex, line of symmetry,and the maximum or minimum value of f(x). Choose the graph that represents f(x)=1/4(x+9)^2+7

    asked by Carol
  154. American Government

    Share two examples in American history of how the people of America shifted their ideologies from one set of beliefs to another. Why did this happen? What were the political, economic and social conditions that led to this shift?

    asked by Linda
  155. English

    You have already checked these sentences. I just wanted to know if I could use the present simple to narrate it. Thank you. 1)The police appeared (appear OR appears) completely satisfied that nothing criminal had occurred in the house. However, they

    asked by Henry2
  156. Health Care Adminiastration

    Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5%.

    asked by Geraline
  157. Social Studies

    The largest island in the world, locates near Canda is called______. I think it's Greenland

    asked by Lance
  158. calculus

    A party store ordered 50 cases of balloons. The number of cases in stock t months after the order arrives is given by the equation 50e^(-.9t). What is the average number (exact and approximate) of cases in stock over the same 6 months?

    asked by Anonymous
  159. physic

    An infinite uniformly-charged sheet with a = -2 x 10^-10 C/m2 occupies the yz plane. A deuteron1 is created at a point on the +x axis 5 m from the sheet. The deuteron is produced with zero kinetic energy and is free to move. a) What is the location of the

    asked by jamii
  160. math

    Subtract simplify by collecting like radical terms 2square root symbol 50 -2 squareroot symbol 2.

    asked by Allison A
  161. math

    stacy multiplied 5x9 andand said the answer was 44. what two patterns could you use to show that her answer is not correct?

    asked by Catie
  162. Chemistry

    What happens when hydrogen sulfide is heated through an iron sulfide solution?

    asked by Emem Thompson
  163. Physics

    A force of 580 N is needed to be applied on a rope at an angle of 30 to the horizontal in pulling a crate with a constant velocity across a horizontal plank. What is the mass of the crate if the coefficient of kinetic friction is o.25?

    asked by Nimfa
  164. vocabulary

    why the united states is an example of a civilization?

    asked by rupa
  165. accounting

    1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5 percent.

    asked by roland
  166. Math

    I lost the last link.... Triangle DEF has D= 58 degrees, E= 41degrees52', and f(little f)= 0.032 microns. Find d 52/60 (to get the inches gone) 58+41.86(repeating for quite a fe2 digits) 180-99.86666667=80.13333 So my equation is f Sin85/Sin80.1333 How

    asked by Dwayne
  167. Intermediate algebra

    Hello, I am kind stuck on this question In the lab you discover a relationship between the temperature of the air and the speed of sound. You find the speed of sound is never lower than 331 m/s and increases by 60% of the current temperature. a. What is

    asked by Jennifer
  168. chemistry

    Volume of 0.185 mol . L-1 and 0.74 M

    asked by Chris
  169. accounting

    refer to christmas company. how many units are to be tracked for forming?

    asked by Anonymous
  170. Math

    Your search for Determine the number of square meters of vinyl needed to line the inside of a right rectangle swimming pool. The pool is 7m long, 4m wide, and has a uniform depth of 2.5m returned no results.

    asked by Silly
  171. physics

    1- How are transformers made efficient using the key idea of "eddy's current" and "laminate" 2-there is a copper tube thee are 2 waights the same mass, one travels faster down the tube and one travels slower down the tube. why is that. can you please

    asked by Anonymous
  172. geometry

    If the area of a trapezoid is 209 square yards and the bases are 15 yards and 23 yards. What is the height of the trapezoid?

    asked by Angel
  173. Algebra

    Elimination method: x+5y=-13 2x-5y=-19 ( , )

    asked by Mike Barrow
  174. precalculus

    graph the parabola y=2x^2-6x-3. plot point on the parabola A[1,-7] and draw a line through A with an angle of inclination equal to 30 degrees. then find the equation of the line and its second point of intersection B, with the parabola

    asked by jan
  175. Algebra

    To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say

    asked by Frank
  176. Health

    26. When someone is choking you need to perform chest compressions. -False? 31. The female reproductive cell is called an egg. -False? 34. If the egg is not fertilized, then conception occurs. -False? 45. The embryo is a blood vessel-rich organ that forms

    asked by mysterychicken
  177. Physics Help Please

    Issac has to do 1000J of work on a 5kg box, and all the work he did simply went into lifting it above the ground. How high above the ground will the box be when all the work has been done?

    asked by Marissa
  178. SOCIAL STUDIES!!!

    how did slater and lowell contribute to industry in the united states?

    asked by jordan
  179. Math

    ∛(y^13) ∛(16y^14)Multiply and simplify assume all expressions under radicals represent non negative number My friend helped me she said azanswer is 12(y^13)(square root sybol y)

    asked by Allison A
  180. scientist

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by Anonymous
  181. Dymanics

    10tan theta= .5+1/2costheta + 2sintheta How do I simplify the right side of the equation.

    asked by annie
  182. math

    using 100 ft of fence material an dbuilding a regular gexagon garden, what is the area of the garden?

    asked by barb
  183. geography

    Is this correct? 1.The prime meridian passes through both the north and south pole. 2. The Tropic of Cancer is to the Tropic of Capricorn as the Arctic Circle is to the Antarctic Circle?

    asked by sean
  184. statistics

    If scores are normally distributed with a mean of 3.06 and a standard deviation of 0.84, what percent of the scores is: (a) greater than 3.9? (b) less than 2.22? (c) between 2.22 and 3.9?

    asked by jennifer
  185. Math

    Convert to decimal notation 8.46*10^7 does this equal 84,600,000 Is this correct/

    asked by Allison A
  186. Geometry

    Explain whether the following statement is a valid definition: “A 30° angle is an acute angle.” Use the converse, biconditional, and at least one Euler diagram to support your answer.

    asked by Felix
  187. chemistry

    if you combine 2 compounds together will you make a mixture? Such as salt and water.

    asked by freeda
  188. Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the loan's monthly payment amount?

    asked by Anonymous
  189. physics

    In 5.20 h, a balloon drifts 6.5 km north, 2.00 km east, and 2.76 km in upward elevation from its release point on the ground. (a) Find the magnitude of its average velocity. . km/h (b) Find the angle its average velocity makes with the horizontal. . °

    asked by Anonymous
  190. English

    Find the direct object. Chief Joseph wanted equality for his people The direct object would be "wanted" right? Since it technically receives the action of the verb.

    asked by pierre
  191. Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the Remaining Principal Balance after the 9tht payment?

    asked by Anonymous
  192. MATH HELP!

    if f(x)+(x-3)^4(2x-1)^3, find the value(s) of x which solve f'(x)=0

    asked by Katie
  193. math

    a freight train leaves detroit traveling east at a speed of 65mph. one hour later, a passanger train leaves traveling wst a 85mph. how long will it take for the trains to have traveled the sam distance?

    asked by Anonymous
  194. Geometry

    Anyone have the Amsco's geometry textbook and can help me out with some homework?

    asked by Anita
  195. algebra

    What number must be added to each of the numbers 0, 8, and 32 so that they form consecutive terms of a geometric sequence? I don't understand what the question is asking first of all. The answer is 4. Help is much appreciated.

    asked by jason
  196. Fitness and Safety

    5. Is it true that when you lift weights your muscles get bigger from more muscle cells?

    asked by Anu
  197. algebra

    37.051 is 55.3% of what number.

    asked by Angela
  198. 7TH GRADE MATH

    please help solve -5(9K-8) + 2 (8+6K)

    asked by ASIA
  199. MATH

    A bag contains 5 slips of paper. On each slip is written the name of a member of the Avila family--Mr.Avila,Mrs.Avila,their son,or one of their 2 daughters. Find the probability of each outcome if you take a piece of paper out of the bag without looking.

    asked by Lance
  200. English

    Can you please check these sentences for me. It's really urgent. 1) Our science teachers are enthusiastic about your proposal of holding our first meeting in Italy. 2)However, prior to our meeting, the head of our science department would like to discuss

    asked by Henry2
  201. Science

    Does the Earth and moon have large molten core or only 1 of them does? I think the Earth only has large molten core

    asked by Jaycee
  202. phi 200

    Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an

    asked by Anonymous
  203. geometry

    The slope of any line perpendicular to , where A(0, -3) and B(4, 9) are two points on the line, is m =

    asked by Paul
  204. Cars,position,direction,and speed

    How can a car driving on sand Chang it's position,direction,and speed

    asked by Daisha
  205. math

    the favorite foods of a selected group of 5 year olds. A total 5,280 childern were polled. How many children chose pizza? 40% were pizza, pasta 30%, cheese 12%, french fries 14% undecided 4%

    asked by andrea
  206. math

    rodney opens a saving account and deposits 3000 dollars. the saving account earn 5% yearly simple terest. If rodney does not deposit any additional money into the account, how much compound interest did she earn over all 3 years

    asked by Anonymous
  207. Business

    Do you think unskilled labor is just a commodity or input

    asked by Kate
  208. Math

    how do I factor 18w^2+24wt+8t^2

    asked by Allison A
  209. socials

    the three turning points in world war 2 i think that is El Alemein, stalingrad, midway. stalingrad where hitler tried invade ussr but he failed.

    asked by Mohammad
  210. English

    Do you think unskilled labor is just a commodity or input

    asked by Kate
  211. Business

    Can anyone tell how to analyze a committee meeting theoretically as it relate to leadership theory. I am having a difficult time starting.

    asked by R.T.
  212. history

    What was the secret CIA operation to overthrow the Cuban Government called? Operation Seagull The Bay of Pigs operation Operation Mongoose Order 632 I think its operation mongoose?

    asked by Anonymous
  213. Math

    find the following ã(12&(-6))^12

    asked by Allison A
  214. Algebra

    Using Proportionality How do figure out the average heights and weights for sheep and cows? Also. for Bald Eagles and Canada Geese. Dairy Cow 5 to 6 feet tall at the shoulder/weight 500lbs Bighorn Sheep Shoulder Height: 2.5 to 3.5" 280-300 weight Canada

    asked by Frank
  215. math - Please help me to understand

    The average selling price of homes in a certain city is $356,300. Assume the variable is normally distributed with a standard deviation of $64,600. If 396 homes are for sale, how many homes will sell for more than $325,000? (Round up to the next whole

    asked by Jennifer
  216. reading

    what word goes with lunar?

    asked by Anonymous
  217. Physics

    What is the magnitude of the gravitational field at the surface of a neutron star whose mass is 1.64 times the mass of the Sun and whose radius is 9.1 km?

    asked by Kayla
  218. Finance

    If you were general manager of a division, on which three key ratios would you choose tohave your unit's financial performance evaluated?

    asked by Emma
  219. Math

    find the vertex line of symmetry the minimum naximum value of the quadratic function and graph the function f(x)=-2x^2+2x+2.

    asked by Allison A
  220. Algebra (direct variation)

    the value of y varies directly with x, and y=-2 when x=-4 Find y when x=8 -2=k(-4)

    asked by Hannah
  221. statistics

    a test has a mean score 73 with standard deviation of 12.students with scores greater than 85 receive an A. What is the percent of the students would we expect to get an A? assume the normal distribution

    asked by Kathleen
  222. cja/334

    1,050- to 1,750-word paper in which you describe the research process. Include the following: Include new terminology learned from the reading. How will this new terminology and knowledge apply to a career in criminal justice? How can not knowing the

    asked by Anonymous
  223. CJA/334

    1,050- to 1,750-word paper in which you describe the research process. Include the following: Include new terminology learned from the reading. How will this new terminology and knowledge apply to a career in criminal justice? How can not knowing the

    asked by Anonymous
  224. english

    What is the word ball in this sentence? The young boy played ball in the yard. adverb?

    asked by kelly
  225. chemistry

    whcih of the folllowing values is the amount of sodium nitrate that can be dissolved in 100mL of water of 40 degrees celcius? A- 0g B-40g C-100g D-130g

    asked by mikayla
  226. math

    The average selling price of homes in a certain city is $356,300. Assume the variable is normally distributed with a standard deviation of $64,600. If 396 homes are for sale, how many homes will sell for more than $325,000? (Round up to the next whole

    asked by Jennifer
  227. english

    What is it called in a movie when the camera is focused just on one person, to make it look dramatic and emotional?

    asked by jon
  228. chemistry

    which procedure is a chemical change that may be used to break down a compound?

    asked by ivy
  229. ALGEBRA

    Why are there two possible answers to an absolute value equation?

    asked by Pat
  230. geometry

    If the measure, of the three angles of a triangle are represented as

    asked by scp
  231. Comprehensive English

    We have a final exam coming up with a comprehensive essay including use of each of the types of essays (strategies) you studied this semester— o Critique (pp. 19-22) o Research (pp. 378-380) o Comparison (pp. 217-218) o Illustration (pp. 186-187) o

    asked by HM
  232. physics

    if you want to reach a speed of 13 m/s at the top of the loop-the-loop, how much power must you supply to the go-kart?

    asked by Anonymous
  233. science anyone

    I was wondering if someone could look at my answers and let me know if they sound okay. I put them in at 6:48 and 6:54 today. I understand if you can't help!

    asked by Reed
  234. social studies

    I have a few questions regarding the issue of jemaah prayer for women. We know that the prayers made in the masjidil haram is 100,000 times than other places. Yet, for a woman prayer in her house is better. 1. Does this mean that a woman’s prayer at home

    asked by muhammad
  235. physics please help!!

    You are lost in the woods with a friend. He's nearsighted and you're farsighted. You decide to start a fire to attract attention. Thankfully, it's a bright sunny day and you're both wearing your glasses. Whose glasses do you use to focus the sun's light to

    asked by archi
  236. maths

    The equation of the circle is x(squared)+y(squared)-3x -4=0.Find : (i)the coordinates of its center and the radius (ii) the coordinates of the points at which it cuts the x-axis

    asked by chrystabelle
  237. English

    Stupid question but i have two critiques on Robert Frost's "Stopping by Woods on a Snowy Evening", how would i write the critics points without quoting like everything they stated? The critics have made some major points but i don't want to quote

    asked by Lyzz
  238. chemistry

    The [H3O+] in a wine bottle is 3.1  10–2 M. What is the [–OH] in this wine?

    asked by denis
  239. Math

    A bag contains 5 slips of paper. On each slip is written the name of a member of the Avila family--Mr.Avila,Mrs.Avila,their son,or one of their 2 daughters. Find the probability of each outcome if you take a piece of paper out of the bag without looking.

    asked by Lance
  240. chemistry

    8). What is the pH of a fruit with a [–OH] = 3.2  10–9 M –OH? A) 10.5 B) 8.49 C) 3.51 D) 3.5

    asked by denis
  241. Math

    Reduce the fraction to simplest form 2x+2/6x^2+16x+10 (the 6x is squared I think that's how you show it)

    asked by Matt
  242. Math

    Multiply (2ã7-4ã2)(4ã7+8ã2)

    asked by Allison Anderson
  243. geometery

    If X = 2 inches, Y = 4 inches, and Z = 4 inches, what is the surface area of the box?

    asked by Saraphina
  244. vector calculus

    Show that the given line integral is independent of path.Then, evaluate the line integral I by finding a potential function f and applying the Fundamental Theorem of Line Integrals. I=ç_{(0,0)}^{(1,2)}(x+y)dx+(x-y)dy

    asked by Donny
  245. science infectious disease

    i have a project to present on salmonella can you help me find website that is understandable 7th grade i can use

    asked by marko
  246. math

    You teach 40 students. Blue is a favorite color of 22 studetns; 19 own cars; 13 like flowers; blue is the favorite color of 10 students who own cars; blue is the favorite color of 7 students who like flowers' 8 own cars and flowers; and blue is the

    asked by Dell
  247. math

    the favorite foods of a selected group of 5 year olds. A total 5,280 childern were polled. How many children chose pizza? 40% were pizza, pasta 30%, cheese 12%, french fries 14% undecided 4%

    asked by andrea
  248. Physics/Science

    At what point in the swing of a pendulum is the maximum amount of the ball's motion transferred to the object it hits? (I think it's at its lowest swing point but I'm not completely sure.) And what does this "kinetic energy" depend on?

    asked by Cicilia
  249. math

    Factor 18-9t+t^2 I don't think this is factorable help

    asked by Allison A
  250. biology

    divides the new plant cells in telophase

    asked by kay
  251. math

    solve v^2+v-6=0 Would v=2

    asked by Allison A
  252. com 172

    Review the following passage and paraphrase it in the following box. Use the reference to create an appropriate APA-formatted in-text citation. Additionally, include one direct quotation. One of the most valuable skills a student can develop is focus.

    asked by Kimberly
  253. Vision Math

    Explain to me how this is true: Six people are given 1/10 of a veggie pizza and 2/5 of the pizza is left how is that true?

    asked by Kassidy Cook
  254. ALGEBRA

    A newspaper article discussing whether Social Security could be cut offered the information shown in the figure. Use the information in these graphs to answer the question. What is the difference between the amount of money collected from Social Security

    asked by Daniel
  255. math

    the populaaion of oak fores is increasing a a rae of 2% per year. If the populaion is 64,242 today, wha will it be in three years?

    asked by issa
  256. social studies

    why did railroad construction end canal building

    asked by jordan
  257. Finance

    GE issued preferred stock that had a par value of $100. The preferred stock pays a dividend of 6.50%. Investors require 5.7% today on this stock. What is the value of the preferred stock today? Round to the nearest $1. (A) $100 (B) $88 (C) $75 (D) $114

    asked by Anonymous
  258. Science

    Okay, say im doing a science fair project, and I am not really good at coming up with questions, what would be a good question to ask about Newtons First Law of Motion

    asked by Kaitlyn
  259. Pre Algebra

    I am having a problem with slopes and intercepts problems. Write each equation in slope-intercept form. Find slope and y-inercept. 3x - y = 14

    asked by Rosalind
  260. Math

    I need help with an equation problem. Write the equation of the line that passes through each pair of points. (-2, -7) and (3,8)

    asked by Johnnie
  261. English

    Hello. Do you think it is possible to say: "to post photos in the press" or is it "to publish photos in the press"? Thank you for help.

    asked by Ilma
  262. Social Studies 9

    PLEASE i really NEED HELP; and i need this by TOMORROW. -no links please . How and why was Hudson bay company established ?

    asked by Stephanie
  263. business math

    William Bennett earns $12,800 per year. He is paid 12 times per year and claims 1 exemption. His state taxes him at a 3% rate. How much tax is withheld per pay period?

    asked by fred
  264. SOCIAL STUDIES!!!

    what was eli whitneys main contribution to manufacturing

    asked by jordan
  265. com/150

    How could I improve this thesis statement? “Most people do not feel it is their obligation or responsibility; however, there are personal benefits from community service.”

    asked by Rae
  266. Math 110

    finding the standard deviation of 15, 20, 30, 35

    asked by April
  267. BUS 640

    Bridget's choice - theory of consumer behavior

    asked by maggie
  268. math

    how do you find what the percent of a number is? IE 23% of 40.000.00. 23*40.000.00.

    asked by DEEK
  269. MATH HEPL

    solve (+14)(x-17)(x+6)>0 I have a solution for x>17 but the answer on my paper asks for a solution set {xline x } help how do I write this

    asked by Allison A
  270. math

    Find the following 12square root symbol(-6)12 Help

    asked by Allison A
  271. Math

    How does a tally chart help you to display data?

    asked by Mike
  272. math

    both my numerator and denominator are 1 digit numbers. My numerator is the GCF of 24 & 30. Who am I.

    asked by anique
  273. English

    I selected the five I was most doubtful about. Thank you. 1) Your paragraph lacks an introduction as well as a conclusion. You referred to the requested topic only near the end of your paragraph. 2) You wandered off the subject focusing your attention on

    asked by Henry2
  274. geometry

    There is a triangle with angle a (x+10), and angle b is (2x), and angle c is (2x-30). What is the measure in degrees of angle B

    asked by betty
  275. Chemistry! HELP!

    Explain why the shape of a molecule depends on the electron pairs around the central atom.

    asked by Thad
  276. math

    what is 2 times 5

    asked by bob
  277. - Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the principal amount paid on the 6th through 9th payments?

    asked by Anonymous
  278. geometry

    Ø What is the effect on the area of a triangle if the base is doubled and the height is cut in half? What happens to the area, if the base is doubled and the height remains the same?

    asked by al gonzalez
  279. English

    (This homework question has been removed because it was copied directly from a test.)

    asked by Felix
  280. Math

    John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the principal amount paid on the 1st payment?

    asked by Anonymous
  281. computer

    I have a facility that is 200 feet long by 120 feet wide, I have 45 employees all on the same floor. I want to plan a pilot network , what quanity and placment would I need ? What pitfalls should I avoid? what standard would you recommend?

    asked by Steph
  282. basic math problem

    the sum of three numbers is 8. the first number plus the second is 16 less than the third. the second number is 8 more than the third. find the numbers

    asked by Anonymous
  283. Mechanics Of Materials

    How do you determine what distance to use to sum the moment in the loaded portion of a conjugate beam? I think on the shear portions that you use [2/3]*L (center of mass for a constant density triangle), but I have no idea what to use for the... bending

    asked by Conjugate Beam Method
  284. science HElp

    the covalent bond between the monomers of an enzyme macromolecules are peptide ester or phosphodiester bond question2 why urctic forx change coloring from brown in summer and white in winter . My answeers is = fox change phenotype but genotypes does not

    asked by hiba
  285. Biology

    Describe how the location of each part of the cellular respiration is diffrent in bacteria and in more complex cells?

    asked by Keya
  286. math

    solve sin t= .6 on the interval 0

    asked by Scott
  287. bio check plz plz plz

    in human (2n=46) mitosis result 2 cell with 23 chromoses and meosis result in (n=23) 4 cell with 46 chromoses... is this statment true ? please help me ....

    asked by hiba
  288. math

    change the decimal to a mixed number(simplify) 23.56

    asked by lucy
  289. spelling

    writers workshop using commas

    asked by simone
  290. Math

    divisible by 15,27,36,16,28,57,102,268,4518,93

    asked by Frances
  291. English 7

    Is there any infomation that tells how Rosa Parks became a civil rights leader (3 supporting deatils). Thank You!!!

    asked by Laruen
  292. socials

    teacher talk about wolf packs and i not know what that is. i think that submarines used by Germans. what difference between that and u boats?

    asked by Mohammad
  293. socials

    what bring americans in world war 2? I think invasion of pearl harbour bring them in world war 2.

    asked by Mohammad
  294. history/english

    are southerners considered to be immigrants?

    asked by Nicole
  295. Biologu

    Define posterior and anterior

    asked by Kat
  296. SOCIAL STUDIES!!!

    in what ways did whitneys system improve products

    asked by jordan
  297. science

    2 questions. What part of the cell contains chlorophyll? what do plants usually have one large one of and animals may not have any or have several smaller ones?

    asked by karen
  298. Biology

    Can you explain what the quality of the reverse transcriptase in the HIV virus has to do with the problem that there is still no vaccine against the HIV virus?

    asked by Jim
  299. English

    Hello. Please help me with the correct word order: 1)The president says that now / at the moment the government is working on a new plan. 2)The president says the government is now working on a new plan. 3)The president says the government is working on a

    asked by Ilma
  300. math

    just the basic formulas for area, length, and width

    asked by rob
  301. MATH

    Y=30X+.25

    asked by ALEX
  302. math

    Antiderivativeofe.5x-0.1x

    asked by bethel
  303. math

    81,__63,__,45,__

    asked by gghgf