Questions Asked on
October 30, 2011

  1. Calculus

    Find the linearization L(x) of y=e^(7x)ln(x) at a=1. L(x)=

    asked by Reonea
  2. AP Chemistry

    Which of the following electron configurations correspond to an excited state? Identify the atoms and write the ground-state electron configuration where appropriate. If the configuration is a noble gas, enter the noble gas in brackets, for example [Ne]

    asked by Ferdinand
  3. Calculus

    A searchlight rotates at a rate of 2 revolutions per minute. The beam hits a wall located 8 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per hour) is this dot moving when the angle between the beam and

    asked by Reonea
  4. Physics

    At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of F = 84.4 N at an angle of 64degrees. The acceleration of gravity is 9.8 m/s/s. The box of books has a mass of 14 kg and the

    asked by Amanda
  5. accounting

    Express the following comparative income statements in common- size percents and assess whether or not this company’s situation has improved in the most recent year. 5 points) MULAN CORPORATION Comparative Income Statements For Years Ended December 31,

    asked by Renee
  6. geometry

    Looking at formulas, which 2 shapes describe this relationship: the area of the 2 dimensional shape is one-fourth the surface area of the 3-demensional figure? Looking at formulas, which two figures describes this relationship: the volume of the first

    asked by Maria
  7. physics-help please........

    The momentum and the kinetic energy of particle A is eight times and nine times the momentum and the kinetic energy of particle B, respectively. What is the ratio of the mass of particle A to that of particle B?

    asked by lost
  8. Chemistry

    The vapour pressure of pure water at 110 c is 1070 torr.A soln of ethyleneglycol in water has vapour pressure of 1 atm. Assuming that raoult's law is obeyed, what is the mole fraction of ethylene glycol in water?

    asked by Ethio
  9. Chemistry

    Glycine amide hydrochloride (BH+) FM 110.54, pKa 8.20 Glycine amide (B) FM 74.08 b.) How many grams of glycine amide should be added to 1g of glycine amide hydrochloride to give 100ml of solution with pH 8? I tried using the henderson-hasselbalch equation

    asked by Ken
  10. Finance

    Meg's pension plan is an annuity with a guaranteed return of 7% interest per year (compounded monthly). She would like to retire with a pension of $90000 per month for 25 years. If she works 33 years before retiring, how much money must she and her

    asked by Juice
  11. AP calc

    A gas barrel has the shape of a right cylinder with the radius of 5 ft. and the height of 15 ft. If gas is being pumped into the barrel at the rate of 3 ft.3/min, find the rate at which the gas is rising when the gas is 8 ft. deep. any help would be

    asked by Juliet
  12. Chemistry

    It takes 208.4 kJ of energy to remove 1 mole of electrons from 1 mole of atoms on the surface of rubidium metal. How much energy does it take to remove a single electron from an atom on the surface of solid rubidium in Joules? What is the maximum

    asked by franz
  13. Calculus

    A hot air balloon rising vertically is tracked by an observer located 3 miles from the lift-off point. At a certain moment, the angle between the observer's line-of-sight and the horizontal is pi/5 , and it is changing at a rate of 0.1 rad/min. How fast is

    asked by Reonea
  14. Organic chemistry - Nitration

    Why does the amount of dinitration increase at high temperatures?

    asked by Anonymous
  15. Physics

    Jean dangles her watch from a thin piece of string while the jetliner she is in takes off. She notices that the string makes an angle of 22° with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Estimate

    asked by Millie
  16. cemistry

    when 2.13 moles of C3H8 burn in excess oxygen, how many moles of CO2 will be formed? Assume this is a complete combustion

    asked by christopher
  17. calculus

    the curve with equation 2(x^2+y^2)^2=9(x^2-y^2) is called a lemniscate. find the points on the lemniscate where the tangent is horizontal.

    asked by Lee
  18. Physics

    A 0.5 kg wooden block is placed on top of a 1.0 kg wooden block. The coefficient of static friction between the two blocks is 0.35. The coefficient of kinetic friction between the lower block and the level table is 0.2. What is the maximum horizontal force

    asked by Emily
  19. Calculus

    The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function P = 110I I2 + I + 4 where I is the light intensity (measured in thousands of foot-candles). For what light intensity is P a maximum?

    asked by Anonymous
  20. business Math

    On May 12, Scott Rinse accepted an 8000.00, 12%, 90-day note for a time extension of a bill for goods bought by Ron Prentice. On June 12, Scott discounted the note at Able Bank at 10% What proceeds does Scott receive?

    asked by Anonymous
  21. Ap Chemistry

    I'm doing the calculations on the lab "Oxidizing Power of Laundry Bleach," and I'm stuck on one part. This is what I have so far: My average volume of sodium thiosulfate is 6.94 ML. I then converted that into moles and got 6.94X10^-4 moles. That means that

    asked by Hilary
  22. chem

    Metabolism of one mole of glucose, C6H12O6, releases 670 kcal. How much heat is released by the combustion of 0.300 moles of glucose?

    asked by Jessie
  23. homework

    every yellow marble is expensive.one -half the orange marbles are expensive.one -half of all expensive marbles are yellow. there are 40 yellow marbles and 25 expensive marbles that are niether yellow nor orange. how many orange marbles are there?

    asked by phil
  24. chemistry

    According to the following reaction, how many moles of oxygen gas are necessary to form 0.543 moles water? hydrogen sulfide (g) + oxygen (g) water (l) + sulfur dioxide (g)

    asked by bessie
  25. chemistry

    calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration

    asked by denis
  26. calculus

    A searchlight rotates at a rate of 4 revolutions per minute.? The beam hits a wall located 13 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per hour) is this dot moving when the angle between the beam and

    asked by saud
  27. EnglishCheck

    CHECK PLEASE 1. (Points: 2) The bank will not (lend, loan) money for home repairs. b. loan Save Answer 2. (Points: 2) My allergies sometimes cause me to (loose, lose) my voice. b. lose Save Answer 3. (Points: 2) Please leave the report on the desk, and

    asked by HM
  28. Chemistry

    Calculate the freezing point of a solution of 3.46 g of a compound,X,in 160 g of benzene. When separate sample of X was vaporised, its density was found 3.27 g/L at 116 c and 773 torr. The freezing point of pure benzen is 5.45 c, and kf is 5 .12 c/m.

    asked by Ethio
  29. u.s. court system part 1

    answers to penn foster exam-40600900

    asked by jessica
  30. mathematics

    1. In an examination conducted for 80 candidates, those who passed in mathematics were 17 more than those who passed science and 9 failed both subjects.14 candidates passed both subjects. I. Draw a venn diagram to illustrate this information II. How many

    asked by partey
  31. Algebra

    Find the numbers that each letter stands for. EFGHx4=HGFE E= F= G= H=

    asked by Daniel
  32. chemistry

    what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g

    asked by denis
  33. calculus

    the limit represents the derivative of some function f at some number a. state f and a. lim (sin(pai/2 + t)-1)/t t->0

    asked by Lee
  34. math

    Meg's pension plan is an annuity with a guaranteed return of 6% per year (compounded quarterly). She would like to retire with a pension of $50,000 per quarter for 15 years. If she works 31 years before retiring, how much money must she and her employer

    asked by Jesus
  35. modeling

    A squadron of 16 bombers needs to penetrate air defenses to reach its target. They can either fly low and expose themselves to the air defense guns, or fly high and expose themselves to surface-to-air missiles. In either case, the air defense firing

    asked by emmy
  36. physics

    a laser beam with wavelength 632.8nm is incident normal to the plane of a diffraction grating with a slit separation d=2000nm. if the diffraction pattern is viewed on a screen 1m from the grating, find the distance separating the first, second, and third

    asked by rachel
  37. Calculus

    The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function P = 110I I2 + I + 4 where I is the light intensity (measured in thousands of foot-candles). For what light intensity is P a maximum?

    asked by Anonymous
  38. Physics

    Before the force is applied (t < 0 on the graph), the particle moves along the X axis with velocity V1 = -7.6 m/s. Find the velocity V2 of the particle after force stops acting on it. (t > 8s)

    asked by Amy
  39. Chemistry

    How many grams of glycine amide (FM 74.08) should be used with 1.0 gram of glycine amide HCl (FM 110.54, pKa=8.20) to give 100 mL at pH 8.0? The buffer equilibrium reaction is: GlycineAmideHCl GlycineAmide + H+ which has the general form: BH+ B + H+ I'm

    asked by Ken
  40. Math Homework

    A car dealer carries out the following calculations. What is the annual percentage rate? (Round your answer to the nearest tenth.) List price $ 5,368.00 Options $ 1,625.00 Destination charges $ 200.00 Subtotal $ 7,193.00 Tax $ 431.58 Less trade-in $

    asked by randall
  41. business math

    On January 18, 2007, BusinessWeek reported yeilds on Treasury bills. Bruce Martin purchased a 10000.00 13-week Treasury bill at 9881.25 (a) What was the amount of interest? (b) What was the effective rate of interest?

    asked by Anonymous
  42. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin
  43. modeling

    A squadron of 16 bombers needs to penetrate air defenses to reach its target. They can either fly low and expose themselves to the air defense guns, or fly high and expose themselves to surface-to-air missiles. In either case, the air defense firing

    asked by emmy
  44. CHEMISTRY!! NEED IMMEDIATE HELP PLEASE!!!

    a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations: Bond Dissociation Energies: CH3-H (104.8kcal/mol), Cl-Cl(59.0 kcal/mol),

    asked by Natasha
  45. prob and stat

    Ramon has applied to both Princeton and Stanford. He thinks the probability that Princeton will admit him is 0.4, the probability that Stanford will admit him is 0.5, and the probability that both will admit him is 0.2.

    asked by ecey
  46. physics

    In the Earth–Moon system, there is a point where the gravitational forces balance. This point is known as the L1 point where the L stands for Lagrange, a famous French mathematician. Assume that the mass of the Moon is 1/81 that of the Earth. (a) At what

    asked by mymi
  47. pre-calc

    "An open gift box is to be made from a square piece of material by cutting 2 centimeter squares from each corner and turning up the sides. The volume of the finished gift box is to be 200 cubic centimeters. Find the size of the original piece of material."

    asked by kari
  48. Chemistry

    a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations: Bond Dissociation Energies: CH3-H (104.8kcal/mol), Cl-Cl(59.0 kcal/mol),

    asked by Jennifer
  49. Calculus

    Use the Linear Approximation to estimate ∆f=f(3.5)−f(3) for f(x)=2/(1+x^(2))? Δf ≈ Estimate the actual change. (Use decimal notation. Give your answer to five decimal places.) Δf= Compute the error and the percentage error in the Linear

    asked by saud
  50. probability

    A jar is filled with nickels and pennies. The value of the nickels is $S and the value of the pennies is $r. If you picked a hundred coins, what is your expected outcome?

    asked by Ashley
  51. physics

    A 2.6 kg block of ice at a temperature of 0.0C and an initial speed of 5.3 m/s slides across a level floor. If 3.3 × 105 J are required to melt 1.0 kg of ice, how much ice melts, assuming that the initial kinetic energy of the ice block is entirely

    asked by Anonymous
  52. Precalculus

    Complete the following identity secx-1/secx=? I have four multiple choice options and can't seem to work my way to either one. A) secx cscx B)1+cotx C)sinx tanx D)-2tan^2x

    asked by Anne
  53. Physics

    A piece of clay is stuck to the edge of a potter's wheel. Draw a diagram to show the path of the clay if it comes unstuck while the wheel is rotating.

    asked by Hala
  54. calculus

    Estimate 1/(sqrt(82)) using linear approximation and the exact value for 1/(sqrt(81)) Your estimate:

    asked by saud
  55. Physics

    A box, with a weight of mg = 25 N, is placed at the top of a ramp and released from rest. The ramp measures 4.40 meters horizontally and 3.50 meters vertically. The box accelerates down the incline, attaining a kinetic energy at the bottom of the ramp of

    asked by Jeanne
  56. statistics

    A survey is being planned to determine the mean amount of time corporation executives watch television. A pilot survey indicated that the mean time per week is 15 hours, with a standard deviation of 3.5 hours. It is desired to estimate the mean viewing

    asked by Nathalia
  57. Calculus

    Suppose that you follow the size of a population over time. When you plot the size of the population versus time on a semilog plot (i.e., the horizontal axis, representing time, is on a linear scale, whereas the vertical axis, representing the size of the

    asked by Erica
  58. calculus

    rectangle is inscribed between the x-axis and the parabola y=16-x^2 wiht one side along the x-axis as shown below

    asked by khallid
  59. calculus

    A searchlight rotates at a rate of 4 revolutions per minute.? The beam hits a wall located 13 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per hour) is this dot moving when the angle between the beam and

    asked by saud
  60. physics

    An engine pulls a train 1km over a level track.Calculate the work done by a train given that frictional resistance is 5*100000N

    asked by Anonymous
  61. physics

    What acceleration will you give to a 24.2 kg box if you push it horizontally with a net force of 82.0 N?

    asked by kayla
  62. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin
  63. physics

    a(n) 6kg object moving with a speed of 8.3 m/s collides with a(n) 18kg object moving with a velocity of 10 m/s in a direction 23(degrees) from the initial direction of motion of the 6kg object. What is the speed of the two objects after the collision if

    asked by Anonymous
  64. physics

    In the figure below, m1 = 9.5 kg and m2 = 4.0 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is 0.30.

    asked by sandy
  65. physics

    Newton was holding an apple of mass 120 g and thinking about the gravitational forces exerted on the apple by himself and by the Sun. Calculate the magnitude of the gravitational force acting on the apple due to Newton, the Sun, and the Earth, assuming

    asked by mymi
  66. Physics

    A person with a mass of 110 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.4 m/s2 , what does the scale read?

    asked by UD
  67. English

    Can you help me write an essay of 450 words on the topic " Substance Abuse in schools"

    asked by Katlego
  68. Math

    Using the ordinary alphabet and allowing repeated letters, find the number of words of length 8 that begin and end with T.

    asked by Nat
  69. Math: Algebra 2 Linear Programming

    An airline will provide accommodations for a minimum of 2000 first class, 1500 business, and 2400 economy class passengers. Airplane 1 costs $12,000 per mile to operate and can accommodate 40 first class, 40 business, and 120 economy passengers. Airplane 2

    asked by Sean
  70. physics

    Find the amount of work done by a labourer,who carries 'n' number of bricks of mass 'm' kg each to the roof of a house of height 'h'.

    asked by Anonymous
  71. physics

    A ball of mass 1kg is thrown upwards and reaches a maximum height of 4m.Calculate the work done by the force of gravity during vertical displacement.Take g=10m/s

    asked by Anonymous
  72. maths

    write the following numbers in standard form. i.49800000 ii.0.000003

    asked by oliver
  73. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin
  74. algebra

    An artifact was found and tested for its carbon-14 content. If 84% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

    asked by suzie
  75. physics

    A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer

    asked by mymi
  76. Math (logic and problem solving)

    a rubber ball is dropped froma building that is 16 meters high. Each time the ball bounces, it bounces up half as high as the previous bounce. It is caught by Romer, the wonder dog, when it bounces 1 meter high. How many meters did the ball travel before

    asked by sally
  77. math

    what is the bank discount and proceeds on 20000.00 amount due at maturity, Discount rate 6.25% and time of 180 days?

    asked by Anonymous
  78. Chem 2

    What is the molar solubility of copper(II) carbonate at 25 oC in a solution that is 0.055 M in copper(II) chloride? I have done one and I am not sure I am doing it correct. If you can show your work for myself to understand. That would be awesome. Thank

    asked by Maegan G
  79. chemistry

    write the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrochloric acid. Formula equation.............. net equation.............

    asked by denis
  80. geometry

    a perimeter of 15 cm two or more equal sides and each side a whole number of centimeters. Prove that there are only four of these triangles. You do no need to construct the triangles.

    asked by koko
  81. Physics

    You throw a ball with a speed of 30 m/s at an angle of 40.0° above the horizontal directly toward a wall. The wall is 22.0 m from the release point of the ball. (a) How long does the ball take to reach the wall? (b) How far above the release point does

    asked by Alex
  82. accounting

    Selected year- end financial statements of Cadet Corporation follow. ( All sales were on credit; selected balance sheet amounts at December 31, 2008 (prior year – you will need this to calculate certain averages), were inventory, $ 56,900; total assets,

    asked by Renee
  83. Statistics

    During a national debate on changes to health care, a cable news service performs an opinion poll of 570 small-business owners. It shows that 72 percent of small-business owners do not approve of the changes. (a) Develop a 90 percent confidence interval

    asked by Nathalia
  84. Phi103

    Consider an argument you have recently had with a friend, family member,mangager,co-worker,or someone else. Identify the topic of the argument and present that argument in premise-conclusion form, Identifying both the premise and conclusion.

    asked by Mary Smith
  85. Calculus

    Estimate delta f using the Linear Approximation and use a calculator to compute the error. f(x)=sqrt(3+x). a=6. delta x=0.1. delta f= With these calculations, we have determined that the square root of ___________ is approximately _______ The error in

    asked by Reonea
  86. Physics

    In this problem, use g = 9.80 m/s2. Bizarro, located at Six Flags New England, in Agawam, MA, is the name of one of the top-rated roller coasters in the country. The first drop on the roller coaster brings you down 67 meters. There are some resistive

    asked by Jeanne
  87. physics

    An asteroid is discovered to have a tiny moon that orbits it in a circular path at a distance of 122 km and with a period of 43 h. The asteroid is roughly spherical (unusual for such a small body) with a radius of 19 km. (a) Find the acceleration of

    asked by mymi
  88. Physic

    A 23.0 kg block is sitting on the ground. Two ropes are attached to the top of the block. Rope A is pulled upward with a force of 20.0 N and rope B is pulled upwards with a force of 5.0 N. What is the normal force on the block?

    asked by Michelle
  89. Math

    Write and solve a system of equations for each situation. 1.Your school sells tickets for its winter concert. Student tickets are $5 and adult tickets are $10. If your school sells 85 ticket and makes $600, how many of each ticket did they sell? -Could

    asked by Shadow
  90. chemistry

    If you burn 0.200 g of C(graphite) in an excess of O2 to give CO2, the temperature of the calorimeter, which contains 775 g water, increases from 25.00 degrees C to 27.38 degrees C. The heat capacity of the bomb is 893 J/K. What quantity of heat is evolved

    asked by Aubrey
  91. accounting

    Classify each of the following costs incurred in manufacturing bicycles as variable (V), fi xed (F), or mixed (M) cost (using number of units produced as the activity measure). Also indicate whether the cost is direct material (DM), direct labor (DL), or

    asked by Cammie
  92. Business Math

    The Treasury Department auctioned $21 billion in three-month bills in denominations of ten thousand dollars at a discount rate of 4.965%. what would be the effective rate in interest?

    asked by Anonymous
  93. Business Finance

    Immediate help needed for the following two questions: 15-12A. (Break-even point) You are a hard-working analyst in the office of financial operations for a manufacturing firm that produces a single product. You have developed the following cost structure

    asked by GypsyQueen
  94. chemistry

    Consider the last electron in Li: Values n,l,ml,and ms of 1,1,0, +1/2 are not allowable. Why not. I do not understand this question. I am not sure what the values for the last electron would be.

    asked by Hannah
  95. math

    A vendor at a concert sells new and used CDs. The new CDs cost 2.5 times as much as the old CDs. If 4 used CDs and 9 new CDs cost $159, what is the price of each item?

    asked by jazmyn
  96. in-text citations

    If I have an internet article, how would I do an MLA in-text citation of the article. There's no page number. Would I just put the author's last name only in parentheses? I've googled it, but I couldn't find anything,

    asked by jake
  97. physics

    A planet with a mass of (7*10^21) kg is in a circular orbit around a star with a mass of (2*10^30) kg. The planet has an orbital radius of (3*10^10) m. (a) What is the linear orbital velocity of the planet? (b) What is the period of the planet's orbit? (c)

    asked by mymi
  98. Mathematics (Probability, Statistics, etc.)

    I have a Statistics project due tomorrow on Combinatorics. Admittedly, while my math skills aren't too bad (I get 99th percentile on standardized tests and such), it has been a while since I last took a math class after a 2-year lapse in education, so my

    asked by Matt
  99. Probability

    Reformatted so that it's easier to read. I have a Statistics project due tomorrow on Combinatorics. Admittedly, while my math skills aren't too bad (I get 99th percentile on standardized tests and such), it has been a while since I last took a math class

    asked by Matt
  100. geography

    Okay, I have my Mom looking at this with me. From the information on the map it seems the answer is the Prime Meridian at 0 degrees longitude and its twin line of longitude opposite to the Prime Meridian at 80 degrees longitude. However, I told my Mom it

    asked by Reed
  101. physics

    A boy pushes a book by applying a force of 40N.Find the work done by the force ,if the book is displaced by 25cm along the path.

    asked by Anonymous
  102. physics

    The only force acting on a 4.0 kg canister that is moving in an xy plane has a magnitude of 4.4 N. The canister initially has a velocity of 4.4 m/s in the positive x direction, and some time later has a velocity of 5.8 m/s in the positive y direction. How

    asked by Anonymous
  103. physical

    A man swings his child in a circle of radius 0.75 m .If the mass of child is 25 kg and the child makes one revolution in 1.5 s,what are the magnitude and direction of the force that must be exerted by the man on the child?*assume that the child to be a

    asked by dafina
  104. physics

    A man swings his child in a circle of radius 0.75 m .If the mass of child is 25 kg and the child makes one revolution in 1.5 s,what are the magnitude and direction of the force that must be exerted by the man on the child?*assume that the child to be a

    asked by dafina
  105. Physics

    How much force is required to accelerate 7.0 g object at 11000 "g's" in a centrifuge?

    asked by Millie
  106. chemistry

    calcium oxide reacts with water and with nitric acid. State the formula of the calcium compund when: (i) calcium oxide reacts with water (ii) calcium oxide reacts with nitric acid

    asked by anastasia
  107. Calculus

    A 18 ft ladder leans against a wall. The bottom of the ladder is 4 ft from the wall at time t=0 and slides away from the wall at a rate of 3ft/sec. Find the velocity of the top of the ladder at time t=1. The velocity of ladder at time t=1 is __________

    asked by Reonea
  108. microeconomics

    You are given the following information about the costs of a perfectly competitive firm. QuantityTFC TVC 0 45 0 1 45 20 2 45 35 3 45 45 4 45 75 5 45 120 6 45 180 You are hired to determine the profit-maximizing quantity of the firm for different market

    asked by Kathy
  109. chemistry

    A syringe containing 1.50 mL of oxygen gas is cooled from 92.3°C to 0.0°C. What is the final volume of oxygen gas?

    asked by Anonymous
  110. Math

    I have to solve the equation by finding the exact solution. Please Help. 1/4 log(x)-log(10000)=4

    asked by randall
  111. Principles of Color

    How could you use color to achieve a very dramatic effect?

    asked by Patti
  112. physics

    A man of mass 70kg carries a mass of 10kg to the top of a building 100m high.Calculate work done by the man.Take g=10m/s

    asked by Anonymous
  113. Physics

    A city planner is working on the redesign of a hilly portion of a city. An important consideration is how steep the roads can be so that even low-powered cars can get up the hills without slowing down. It is given that a particular small car, with a mass

    asked by Millie
  114. math

    After a discount of 20%, the dress Sharon wanted was $85. What was the original price of the dress?

    asked by maddi jane
  115. PHYSICS

    1. The problem statement, all variables and given/known data A ride in an amusement park consists of a cylindrical chamber that rotates around a vertical axis as shown in the diagram below. When the angular velocity is sufficiently high, a person leaning

    asked by nully
  116. calculus

    find equations of the tangent lines to the curve y=x/(x+5) that pass through the point (2,7).

    asked by Lee
  117. Enlisgh

    You are an upper-level manager in a large metropolitan hotel. One of your assistant managers, Jeff Clarke, has left you a voicemail message requesting emergency leave for the upcoming holiday weekend. Here's what the message stated; I'm calling to request

    asked by Colby
  118. chemistry

    What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula.

    asked by Billy
  119. math

    Of 30 books (15 novels, 10 history books and 5 math books), how many ways can you get a bunch of four books to give to a friend?

    asked by Edgar
  120. physics

    A boy pushes a book by applying a force of 40N.Find the work done by the force ,if the book is displaced by 25cm along the path.

    asked by Anonymous
  121. algebra

    A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.2 102 µm. Find this earthquake's magnitude on the Richter scale.

    asked by suzie
  122. calculus

    find equations of the tangent lines to the curve y=(x-48)/(x+48) that are parallel to the line y=6x+6

    asked by jihang
  123. physics

    Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·10^8 N/m2 physics - bobpursley, Saturday, October 29, 2011 at 10:32am Hookes

    asked by maria
  124. physics

    Batman is standing on top of a 201 m tall building. He kicks off the building with a horizontal velocity of 10 m/s. Joker is driving a car towards the building at 40 m/s. What is batman's velocity at the point of impact (with respect to the ground)? How

    asked by Juliet
  125. statistics

    A sample mean with a z-score value between -1.00 and +1.00 would be considered a fairly typical representative sample. True or False

    asked by Betty
  126. Chemistry(Please check)

    Write the n, l, ml, and ms values for the first two elements, H and He. H: n=1 l=0 ml=0 ms=+1/2 He: n=1 l=0 ml=0 ms=+1/2 for the first electron for the second: n=1 l=0 ml=0 ms=-1/2 Are these correct?

    asked by Hannah
  127. PSYCHOLOGY

    He is never going to change. He is set in his ways," the cliet complained. "Let's think about it. Does this hurt you or him?" the therapist is applying: I put the answer as (a) a cognitive treatment approach. Is this correct?

    asked by Carol
  128. physics

    A car starts from rest and travels for 7.8 s with a uniform acceleration of 3.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.1 m/s2. If the brakes are applied for 2.8 s, how fast is the car going at the end of the

    asked by Ari
  129. Africa

    what is a key technological that began around 500 bce?in the sub saharan africa? a.yam civilization b.iron smelting c.writing d.monumental archetecture please help- playing a world game with my sis!

    asked by danna
  130. calculus

    the equation of motion is given for a particle, where s is in meters and t is in seconds. find the acceleration after 2.5 seconds.

    asked by Lee
  131. physics

    A 5.0 kg block with a speed of 2.8 m/s collides with a 10 kg block that has a speed of 2.0 m/s in the same direction. After the collision, the 10 kg block is observed to be traveling in the original direction with a speed of 2.5 m/s. What is the velocity

    asked by Chelsey
  132. Business

    which statement is false about Globaliztion? Free markets are effective than government rules or national boundries are increasing in importance. I think its A, that free markets are more effective than government rules.

    asked by Bryan
  133. stats

    Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

    asked by lori
  134. Calculator Help

    1. The csc^-1(1.23) I got 1.061 in radian mode 2. Cot^-1(-2.26) I got 0.8240 in radians 3. Cos^-1(-0.84) I got 2.568 Are these correct?

    asked by Ali
  135. early childhood education

    the main goal of effective health education programs for young children is to a)provide children with the knowledge necessary to eat and exercise properly b)promote critical thinking skills behaviors and attitudes c)teach children that authority figures

    asked by Dionne
  136. physics

    A dynamics cart carrying a black 10.0 cm strip accelerates uniformly and passes through two photogates. The time for the strip through the first photogate, time in Gate1, is 0.250 s and through the second photogate, time in Gate2, is 0.180 s. (1) Determine

    asked by Nick
  137. College

    borrowed $42,400 for 5 years interest rate 2.5%

    asked by Cheryl
  138. General Chem lab

    Hi, how do I calculate how many grams of unknown diprotic acid are needed to make 150mL of 0.750N (normal) solution? and to make 125mL of 0.500M (molar) solution? we have 0.5000M of NaOH.. Please help me...

    asked by Ashley
  139. physics

    A boy pushes a book by applying a force of 40N.Find the work done by the force ,if the book is displaced by 25cm along the path.

    asked by Anonymous
  140. Chemistry

    Why are acid added to the water not the water to the acid?

    asked by Ethio
  141. math

    what is the discount period, bank discount, and proceeds on 25000.00 at 9% for 60 days, date of note is June 8 and date note discounted is July 10?

    asked by Anonymous
  142. Honors chemistry

    i am doing a project for school and i was told to research the alloy of 16 carat gold. I have found all the other information that i need, but i cannot find the melting or boiling point of 16 carat gold! please help soon my project is due tomorrow.

    asked by Anonymous
  143. Math

    After 3 years investment of 1200 compounded annually and an interest rate R will yield an amount of 1200 (1+R)Q write this polynomial in standard form

    asked by ASSISTANCE
  144. math

    i am a number between 20 and 30. when u divide me into 6 equal groups, there is an even number in each group and 2 are left over. what number and I

    asked by christian
  145. geometry

    a large square has sides of 24 units, midpoints of its sides are connected to create a smaller square. what is the area of the smaller square

    asked by Derek
  146. Algebraic expressian

    Neil spent 25 minutes on his math and some more time on his history homework

    asked by Alain
  147. geometry

    A fkagpole 24 feet high is 10 feet away from the base of its anchor cable, how long is the anchor cable?

    asked by yvteet
  148. Climate Change

    I missed the movie "An Inconvenient Truth", and now I have to answer questions about it. Does anyone know what is said about the Kyoto Protocol in that movie? Thank y'all very much.

    asked by Cora
  149. Business

    I have presentation on Purchasing candels and i want to make sure what am presenting is right. Please tell me what i have is right or wrong. Thanks! 1) Identify 3 main tasks/responsibilities of purchasing: Personnel and comparing assistance nedded. 1) Get

    asked by Dancer
  150. MATH

    the price f an item in a store is reduced by 50%. what is the total percent change as a result of the 2 discounts

    asked by Alli
  151. Math

    Given a standard normal distribution, determine the following. Show Table Values used in each part. a) P(Z1.32) c) P(Z< -1.32) d) P(-0.30

    asked by Monica
  152. Chemistry

    Electron Configuration: What numerical values of l are possible for n=4. 1,3,5,7 what ae their corresponding letters. s,p,d,f Are these correct?

    asked by Hannah
  153. calculus

    find y' by implicit differentiation: 5cos(x)*sin(y)=13

    asked by Lee
  154. calculus

    find the tangent to the ellipse £¨x^2/4)+(y^2/4£©=1 at the point (1,rad(3)).

    asked by Lee
  155. english

    how can i revise this or what should i look for to revise this: To begin with, I know that the designer for this freelance job would need to consider a dimensional look. As I have a Web design and interactive media associate degree, I do have experience in

    asked by aran
  156. Sociology

    Change in any social institution requires change in the institution of family. a.True b.False I think its true...

    asked by casey
  157. physics

    Eris, the largest dwarf planet known in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. (a) Use these numbers to calculate the escape speed from the surface of Eris. 1360 m/s correct

    asked by mymi
  158. 6th grade math

    write the following number as a percent. 1/200

    asked by Kate
  159. math

    between 1998 and 2004, the number of college freshman who planned to get a professional degree computer science can be reasonably modeled by f(x)=-348.2x^2+1402x+13,679 where x=0 represenjts 1998. based on this model, in what year did the percent of

    asked by Anonymous
  160. calculus

    Find the coordinates of all points on the graph of y=23−x2 at which the tangent line passes through the point (10,26).please show the work i greatly appreciate it :)

    asked by mehak
  161. macroeconomics

    Which of these would NOT constitute investment: a. someone buys 100 shares of Exxon-Mobil b. Exxon-Mobile purchases 20 new oil rigs c. General Motors builds a new assembly plant d. Macy's remodels its stores My answer was going to be d but my textbook

    asked by Nicci
  162. Calculus optimization problem

    A rectangular dog run is to contain 864 ft ^2. a. If the dog's owner must pay for fencing, what should be the dimensions of the run to minimize cost? b. Suppose a neighbor has agreed to let the owner use an already constructed fence for one side of the

    asked by Sam
  163. Chemistry

    What are the n,l,ml,and ms values for the last electron in Be?

    asked by Hannah
  164. Engineering

    -From the following two linear homogeneous algebraic equations:(sqr= square root) (1) B*sin(kl/sqr2) = D*sin(kl) (2) (k/sqr2)*B*cos(kl/sqr2) = (k)*D*cos(kl) -Form matrix of these 2 equations and solving the determinant=0 will lead to:

    asked by Chris
  165. math

    what is the bank discount and proceeds on 14000.00 amount due at maturity, Discount rate 3.75% and time of 280 days?

    asked by Anonymous
  166. algebra

    Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.4 10-6 watts/cm2

    asked by suzie
  167. English

    Is "sinecure" used correctly in this sentence: He studied hard throughout college to get a sinecure job.

    asked by Kevin
  168. pre-algebra

    Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes can she talk on her cell phone in a month and not exceed her budget?

    asked by CC
  169. Math

    Show whole number solution from 0 to 8 for inequality x - 5 > 1

    asked by Shone
  170. Calc

    How do you take the integral of dy/(y^2 + 4)?

    asked by Erica
  171. English

    Could you please check the following verbs concerning the movements or the sounds made by certain animals? 1) A pig grunts/snorts and squeals. 2) A mouse squeaks. 3) The eagle swooped down on its pray. 4) A mouse scurries. 5) I'm able to walk, trot and

    asked by Henry2
  172. physics

    Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·10^8 N/m2 physics - bobpursley, Saturday, October 29, 2011 at 10:32am Hookes

    asked by maria
  173. Math

    completely factor the difference of two squares x^2 - 64

    asked by Help ME
  174. Math - 5th grade

    I have to find the function rule y = ? for the following table. x y -5 15 3 7 6 4 -2 12

    asked by Jacqueline
  175. Homework Notebook

    Is there any sites or info. about making your own homework notebook. I don't like the school's so Im making my own, I have a marble notebook. - Any Ideas on like to make it organzing - Decoriting ideas - Any tools Please :) Thank You

    asked by Laruen
  176. Statistics

    Suppose that a sample of 50 scores has a mean of Y=90 and the standard deviation is 15. Between what two values of Y will at least 90% of the scores fall? What is the maximun number of scores that can lie out of the interval?

    asked by Sara
  177. MATH

    The chess club had 14 members at the beginning of the year and the membership increased by 50% by the end of the year? a: how many members were there at the end of the year? b: By the end of the next year there were only 14 members. What percent decrease

    asked by Callie
  178. math

    A share of stock worth 100 dollars loses 90% of its value. Then, over the next year, the value of the stock increases by 90%. What is the new value of the stock?

    asked by Maddi Jane <3
  179. calculus

    find d/dx (sin^(21)x *cos21x)

    asked by Lee
  180. finance

    IBM issued $1,000 30 year bonds. The bonds sold for $936 and pay interest semi-annually. The required rate of return is 7%. wha tis the semiannual interest payment on the bonds?

    asked by Edward
  181. french

    How do I say I am ok with Wednesday 9th November in French?

    asked by Michael
  182. math

    give the answer to two decimal places: 89 / 43 =

    asked by jennifer
  183. Calculating Chi Squared

    did a biology experiment where I need to analyze the statistical significance of betweeen a data set. My experiment consisted of measuring the effects in photosynthesis and cellular respiration by exposing solutions with leaf discs to different light

    asked by Catherine
  184. MATH

    A set of 50 data values has a mean of 18 and a variance of 4. I. Find the standard score (z) for a data value = 20. II. Find the probability of a data value < 20.

    asked by Jen
  185. English

    Does this sentence use "Reverberate" correctly?: The sound of thunder kept reverberated in his head.

    asked by Kevin
  186. Math Logic

    If there are as many rational numbers as there are irrational numbers then the set of all irrational numbers is infinite

    asked by Bob
  187. ****college algebra****

    Let g(x) be a rational function with a numerator of 6x2 + 12x - 48 and a denominator of 2x2 - 8. Use this information to evaluate g(8).

    asked by Brianna
  188. Math

    the banks contains quarters , dime and nickels. The number of dimes is 1 less than the number of nickels. The number of nickels is 2 more than twice the number of quarters. The coins are worth $5.70. How many nickels are there?

    asked by curtis
  189. Chemistry

    I am 100 mL of a 0.5 M HCl solution,and i want to dilute it to exactly 0.1 M. How much water should i add?

    asked by Ethio
  190. Discrete Math

    What is the probability that a fair coin lands Heads 4 times out of 5 flips? Out of bit strings of length ten, what is the probability that the bit string begins and ends with 0? What if the bit string has more 0s than 1s? and, what if the bit string has

    asked by Tommy
  191. algebra

    b) The sales representative later indicates that there are two and one quarter as many homes available with the first floor plan than the second. Write an equation that illustrates this situation. Use the same variables you used in part a. Express the

    asked by jose
  192. English

    Is "impinge" used correctly in this sentence: Studying Latin every day impinged her grades in both Latin and English.

    asked by Kevin
  193. Chemistry

    1. What does 'the time taken to reach completion decreases if 20cm^3 of hcl containing 4mol/dm^3' means? How to work out to find the concentration? 2(a)What does concentrated hcl means? (b)What does dilute hcl means? Which will react faster or slower / a

    asked by StuartKess
  194. geometry

    Calculate angle s 2,7cm and angle p 5,4cm

    asked by Anonymous
  195. ****college algebra****

    Let g(x) = -2x + 8 and h(x) = 3x + 4. For what value of x is composition (g o h)(x) = (h o g)(x). If no such value exists, type in DNE in the space provided.

    asked by Brianna
  196. General Chemistry

    c3h8+5o2 3co2+4h2o How many kg of propane only is in a 20lb tank?

    asked by Jennifer
  197. ****college algebra****

    Let h(x) = 3x + 4. For what value of x is (h o h)(x) = h(x). If no such value exists, type DNE in the space provided.

    asked by Brianna
  198. pre algebra

    Use the five steps for problem solving to answer the following question. Please show all of your work. Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes

    asked by Ciara
  199. Statistical significance test

    I did a biology experiment where I need to analyze the statistical significance of betweeen a data set. My experiment consisted of measuring the effects in photosynthesis and cellular respiration by exposing solutions with leaf discs to different light

    asked by Catherine
  200. calculus

    3x^3+4x^2-2x-4=0

    asked by entella
  201. French

    I don't get this fill in the blanks in french. Nancy _______ au centre commercial avec ses amis. (aller)

    asked by Nirali
  202. Math

    How does ruling out possible answers help you find the correct answer

    asked by Madi
  203. geography

    Can you check these for me? 1. What is the name of the country completely surrounded by South Africa? My answer is Lesotho. 2. Which state capital is farther north, Utah's or Illinois? How do you know? My answer is Illinois's, because it is above the 40

    asked by Reed
  204. English227

    You are an upper-level manager in a large metropolitan hotel. One of your assistant managers, Jeff Clarke, has left you a voicemail message requesting emergency leave for the upcoming holiday weekend. Here's what the message stated; I'm calling to request

    asked by Colby
  205. outline writing

    I need help writing an outline for what I have written here. I would like to do my assignment of Microbes, more to the point on how microbes help us. When most people think of microbes they think for bad bacteria or the ugly side of what microbes does. I

    asked by Jennifer
  206. P.E

    i need names of famous females who have a careers in sport and their: age, where they live, how many brothers and sisters they have, profession and what they do in their free time.

    asked by lissa
  207. Art

    I need a website where I can covert photos into line drawings for my project. Thank you for helping me! :-D

    asked by Anonymous
  208. algebra

    i need help with my math for college, im currently a little behind, ive had 2 tutors but the tutors that ive had don't really know what there doing, this is stressful and im hopig someone who knows what there doing can help me

    asked by Katie
  209. math

    Carlos had a 10% off coupon and spent it on a computer game that was marked down 30%. What was the total discount?

    asked by Angela
  210. MATH

    a collectible comic book worth $40 two years ago gained 15% in value the next year, but then lost 15% in value this year what is it worth now?

    asked by Maddi Jane <3
  211. MATH

    A piece of property increased in value by 14% in one year and by 10% in the next year. What was the percent of increase over two years?

    asked by Maddi Jane <3
  212. Algebra

    You plan to put a fence around a rectangular lot. The length of the lot must be at least 60 feet. The cost of the fence along the length of the lot is $1.50 per foot, and the cost of the fence along the width is $2 per foot. The total cost cannot exceed

    asked by Dawn
  213. MATH

    i am in 4th grade doing my sisters homework don't ask why but i need help on this question. -- Explain why the cost of an item discounted 20% can be calculated by multiplying the original price by 0.8

    asked by kayla
  214. Chemistry

    Write the n, l, ml, and ms values for the first two elements, H and He. H: n=1 l=0 ml=0 ms=+1/2 He: n=1 l=0 ml=0 ms=+1/2 for the first electron for the second: n=1 l=0 ml=0 ms=-1/2 Are these correct?

    asked by Hannah
  215. 6th grade math

    write the following number as a percent. 6 1/2

    asked by Kate
  216. calculus

    The position function of a particle is given by s=t^3-3t^2-6t, t > =0. when does the particle reach a velocity of 66 m/s?

    asked by Lee
  217. Math

    A company is considering offering child care for their employees. They wish to estimate the mean weekly child-care cost of their employees. A sample of 10 employees reveals the following amounts spent last week in dollars. 107 92 97 95 105 101 91 99 95 104

    asked by Monica
  218. MATH

    The price of an item in a store is reduced by 50%. Then the price is reduced by another 50%. what is the total percent change as a result of the two discounts?

    asked by chase
  219. CRIMINAL JUSTICE

    If a person that was standing at a bus stop was arrested for failure to provide identification in the state of virginia and after arrrest found that person is an illegal alien, is this a felony or misdeameanor? and what the bond amount or fine be?

    asked by DIANA
  220. french

    How do I say I am ok with Wednesday 9th November in French?

    asked by Michael
  221. geography

    Can you please suggest a site where I can go to help me answer this question? My book is not helping! What imaginary lines divide the Earth into the Eastern and Western Hemispheres?

    asked by Reed
  222. deserts

    How are arches and deflation holows formed?

    asked by Unknown name
  223. Psychology

    I need to design an experiment with an independent variable and 2 levels. I would like to experiment with whether people say something when someone removes an object from a bag. So far I have Independent Variable -Removal of Object from bag 1st

    asked by Anonymous
  224. college algebra

    Let g(x) be a rational function with a numerator of 6x2 + 12x - 48 and a denominator of 2x2 - 8. Use this information to evaluate g(8).

    asked by Brianna
  225. Logic

    Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter

    asked by John
  226. geography (Ms. Sue)

    So, My Mom was right in telling me that I was wrong in thinking it was the International Dateline. She tried to explain it to me like you did. Thank You Ms. Sue.

    asked by Reed
  227. Econmics

    hi, In fact am new to this subject and i would like a have a help for my homeworks. i have got a question which is, National income figures are used to measure the standard of living in a country. What are the limitations of using national income figures

    asked by Pallavi
  228. Math

    (-4,8);6x=7y+3 Write the equation of the line containing the given points and parallel to given line express your answer in y=mx+b form

    asked by Chris
  229. Calculus

    What is the limit as t→∞ of L(t)? L(t) = 34 - 32e^(-0.0719t) Thank you so much!

    asked by Erica
  230. math

    wich number is bigger 1.0 or 0.95 in decimals

    asked by mandar
  231. math..

    3x^3+4x^2-2x-4=0

    asked by entella
  232. History

    Do you know any issues dealing with the second amendment?

    asked by Anonymous
  233. history

    3) The evolution of the socio-political milieu , including Protestant Christianity’s impact on colonial social life.

    asked by Anonymous
  234. CRT/205

    Categorizing Fallacies

    asked by Anonymous
  235. Math, trigonometry

    how to evaluate sin (40)[1+sin(10)]

    asked by Zaki
  236. early childhood education

    a main source of fat and saturated fatty acids in children,s diets is a)meat b)candy c)whole milk d)french fries

    asked by Dionne
  237. english

    what's the difference between a major character and a minor? Is a minor like every other character besides the major characters?

    asked by laura
  238. MATH

    Thanks for the help with the sqrt problems.

    asked by Thanks Reiny
  239. Microbiology

    I need help writing an outline for what I have written here. I would like to do my assignment of Microbes, more to the point on how microbes help us. When most people think of microbes they think for bad bacteria or the ugly side of what microbes does. I

    asked by Jennifer
  240. History

    What about problems in the past dealing with the second amendment?

    asked by Anonymous
  241. Algebraic expression

    Pedro swam some laps in the pool and than swam 2 more

    asked by Alain
  242. Math

    What is 100% of 86.5? Can someone explain how to find the answer.

    asked by Leslie
  243. physics science

    if you wish to warm 95 kg of water by 20.0c for your bath how much heat is required

    asked by mary
  244. Statistical significance (Chi squared)Please check

    I did a biology experiment where I need to analyze the statistical significance of betweeen a data set. My experiment consisted of measuring the effects in photosynthesis and cellular respiration by exposing solutions with leaf discs to different light

    asked by Catherine
  245. Math

    There are 80 students 35 of them are boys about what percent are boys

    asked by Matthew
  246. Math

    An airline has a plan in which a spouse can travel for 75% of the base cost of a ticket, and a child under 12 can travel for 50% of the base cost. a. Using the plan, what will it cost a married couple with three children under 12 to fly if the base cost is

    asked by Alli
  247. geography

    Thank YOU FOR THE MAP SIGHT. I see how my answer was totally wrong. That's what I get for taking the easy way out. What continents does the Arctic Circle pass through? My answer is North America, Europe, and Asia. Is that correct?

    asked by Reed
  248. Math

    A share of stock worth 100 dollars loses 90% of its value. Then, over the next year, the value of the stock increases by 90%. What is the new value of the stock?

    asked by Britt Nicole
  249. algebra

    30/x+20/x-20=1

    asked by shay
  250. Psychology

    hows does sociology relate to a man helping his handicapped wife on a daily basis?

    asked by Rebecca
  251. math

    Explain why the cost of an item discounted 20% and then taxed 8% can be calculated by multiplying the original price by 0.864

    asked by Maddi Jane <3
  252. math

    24 base five time 13 base five

    asked by threase
  253. Business Law

    Assume that federal health investigators are pursuing a report that one of your manufacturing plants has a higher-than-average incidence of cancer among its employees, strecthing back for the files. But if the company turns them over, it might be accused

    asked by Colby
  254. Math

    Use the definition of logarithm to simplify each expression. log6b(6b) log8b((8b)^6) log12b((12b)^-11)

    asked by Angel
  255. law

    I have a midterm for criminal justice class to do and the istructor she said as soon as we log in to the system we would have 2 hours 15 mins to complete it

    asked by Kristina
  256. english

    what do you call a story about real things or real people?

    asked by autumn
  257. math

    Megan took out a loan for 1500.00. The bank is going to charge her a fee of2% of her loan amount as well as take out the interest upfront. The bank is offering her 15% APR for six months. Calculate the effective interest rate.

    asked by Anonymous
  258. Math

    Find the general solution of the equations csc^2 θ =4/3.

    asked by Josh
  259. External diploma program

    Im looking for 2 formally organized groups they each have to have a affect on one another cooperatively

    asked by Ashley
  260. Excel VBA

    Am confused for this class am taking we had to design serval procedures that do different things: 6 procedures were sine, cosine, cube, square, common log, and natural log. In order to get this values we had to design loops. I have done that but, our

    asked by Angel
  261. Physics

    How long does it take a plane, traveling at a speed of 170 m/s, to fly once around a circle whose radius is 3500 m?

    asked by Jessi
  262. english

    how to write these questions into indirect questions? please 1-What other changes have there been in the last 100 years? 2-Do you think the quality of life in general is better now than it used to be?

    asked by sam
  263. Cultural Diversity

    An Asian parent may not emulate the early childhood teacher's practice of praising her son for his accomplishments because a. praising the child might bring him bad-luck. b.The parent believes that absence of criticism is itself an appropriate form of

    asked by Daisy
  264. calculus

    f(x) = 8 x - 2 x^2 text( at ) \(-3,-42\)

    asked by Anonymous
  265. Math

    A cafe holds 300 coffee mugs. 175 of those coffee mugs do not have handles. Estimate the percent of mugs that have handles.

    asked by Jaime
  266. logic

    One way to disconfirm the scientific hypothesis that chickens cannot fly would be to?

    asked by Anonymous
  267. Science

    Hi, I need to know how to find th number of autosomes from the haploid or diploid number. Thanks

    asked by Anonymous
  268. math

    a man buys an item from delhi 10% cheaper than that at merath, incurs loss of rs. 160, but on selling the item profits rs.240. calculate the profit percentage.

    asked by alex
  269. Physics

    A rectangularplate is rotating with a constant angular speed about an axis that passes perpendicularly through one corner, as the drawing shows.The centripetal acceleration measured atcorner A is n times as greatas that measured at corner B. What is

    asked by Jasmin
  270. History

    What is a good analysis of the second amendment? What are some good examples? (anything other than sites)

    asked by Anonymous
  271. South America

    what is the region of french guiana

    asked by Anonymous