Questions Asked on
March 22, 2012

  1. chemistry

    When the following reaction is balanced in acid solution, the coefficient of H+(aq) will be: Cr2O72-(aq) + Sn2+(aq) --> Cr3+(aq) + Sn4+(aq)

    asked by Becca
  2. Trig

    As you ride a ferris wheel, your distance from the ground varies sinusoidally with time. When the last passenger boards the ferris wheel and the ride starts moving, let your position be modeled by the diagram provided. Let t be the number of seconds that

    asked by TRig
  3. physics

    An insulated copper wire is wrapped around an iron nail. The resulting coil of wire consists of 240 turns of wire that cover 1.8 cm of the nail, as shown in the figure . A current of 0.61 A passes through the wire. if the ferromagnetic properties of the

    asked by physics im dying
  4. Integrals/Related Rates(?)/Volume

    Fluid is flowing in a tube that has a radius of 3 centimeters. Water is flowing through a circular cross section at a rate of (9-r^2) cm/s, where r is the distance from the center of the cross section. What is the total amount of water that flows through

    asked by Alex
  5. Math

    For $4.50 a grocer buys a case of fruit which contains 14 dozen. She knows that 4 dozen will spoil before she sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole cost? is there any quick way to do this question. please

    asked by Shani
  6. algebra

    can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 --3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? -43 43 __> -69 69 What is the recursive rule for the

    asked by Jennifer
  7. english

    write a story about someone whose plans went horribly wrong

    asked by Anonymous
  8. Math

    A hemisphere of radius 7 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the center of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maximum

    asked by John
  9. Science

    A Fisherman in a row boat notices that one wave crest passes his fishing line ever 5 seconds. He estimates the distance between the crests to be 1.5 meters and that the crests of the waves are about .5 meters above the troughs. Using this data, determining

    asked by Sydney
  10. statistics

    If a student takes an exam containing 12 true or false questions. If the student guesses what is the probability that he will get exactly 8 questions right?

    asked by Kathy
  11. math

    Find the present value of $30000 due 14 years later at 7.8%, compounded continuously.

    asked by rudy
  12. Chemistry

    Both carboxylic acids and phenols react with strong bases to produce _____. gaseous products the conjugate base of the carboxylic acid or phenol a complex with water a stronger acid or phenol

    asked by Krystal
  13. mathematic

    A ladder 10 meter long is leaning against a wall. If the top of the ladder is sliding down the wall at 3m/s, how fast is the angle between the top of the ladder and the wall changing when the foot of the ladder is 6 meter away from the wall?

    asked by skullhong
  14. Algebra II

    if y varies directly as x, if y=80 when x=32, find x if y=100

    asked by Randy
  15. algebra

    What is the sum of the first 19 terms of the series: 63 + 55 + 47 + 39 + 31 + …? I think it is 769.5 is it right?

    asked by John
  16. Math

    A box has a bottom with one edge 2 times as long as the other. If the box has no top and the volume is fixed at , what dimensions minimize the surface area?

    asked by John
  17. physics

    A spherical Christmas tree ornament is 5.34 cm in diameter. What is the magnification of the image of an object placed 10.3 cm away from the ornament

    asked by amanda and leah
  18. english 4

    Sandy's throw to first base was short. what is the subject and verb etc..

    asked by Ellie
  19. Statistics Question

    For a test of Ho: p = 0.5, the z test statistic equals 1.52. Find the p-value for Ha: p > 0.5.

    asked by M
  20. Math

    Larry & Willa are each reading the same book. Larry has read 2/3 of the book. Willa said that she has read 4//6 of the book, so she read more. Is Willa correct? Explain?

    asked by Neil
  21. physics

    A battery has an internal resistance of 0.016 and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.75 V?

    asked by Anonymous
  22. Math

    Solve the equation. Round to the nearest tenth if necessary. x2 = 169

    asked by Derwin
  23. math

    Grandpa wants to make a rectangular chicken run. If he bought 12 yards of fence wiring. What is the largest area that he can make?

    asked by hannah allen
  24. maths

    John is 3 times as old as Susan now. In 4 years time John will be 18 years older than Susan. Find John's age and Susan;s age now.

    asked by xavier
  25. English -ms. sue

    ms. sue for my mental illness story i be writing, what narration I use? teacher say i can use same one in yellow wallpaper or come up with own unique style. I not know what be better than first-person narration? I think of third person narration but i not

    asked by Mohammad
  26. English

    No wonder can last more than three days All good things are three are the same statements ? The meaning of proverbs are same. conquer is opposite of overpower 2 submit 3 subject 4 vanquish 5 master . Piteous and pitiable are the same meaning words?

    asked by Anonymous
  27. Chemistry

    Can you label all the functional groups of the Sucrose Molecule?

    asked by Anne
  28. physics

    Camera lenses are described in terms of their focal length. A 50 mm lens has a focal length of 50 mm. A camera is focused on an object 81 m away using a 88 mm lens. Locate the position of the image. Answer in units of mm

    asked by amanda and leah
  29. physics

    A 19.3- gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the length of the sides of a cube having four times this mass of gold?

    asked by jim
  30. chemistry

    how much heat energy is released from cooling 35 grams of steam at 135 degrees celcius down to freezing it to negative 45 degrees celcius?

    asked by Anonymous
  31. Chemistry

    When pure sulfuric acid is dissolved in water,heat is evolved.To a calorimeter containing 300g of water at 20degree C,10.65g of sulfuric acid also added at the same temperature.The change in temperature,which was monitored by a digital probe with

    asked by Meenaakshi
  32. Accounting

    Problem 9-5 Warranties Bombeck Company sells a product for $1500. When the customer buys it, Bombeck provides a one-year warranty Bombeck sold 120 products during 2010. Based on analysis of past warranty records, Bombeck estimates that repairs will average

    asked by Lisa
  33. statistics

    In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability that a student selected at random from the class, has passed in only one subject is

    asked by Anonymous
  34. History

    Imagine you are living in Los Angeles in 1944 and have just read about the case of Korematsu v. the United States. Write a letter to the editor of the Los Angeles Times telling which opinion in the case (majority or dissenting) you support and explain why.

    asked by BreAnne
  35. Chemistry

    You mix 1.00 L of 2.00 M BaCl2 with 1.00 L of 2.00 M AgNO3. What compounds remain in solution, and what are their concentrations?

    asked by Alicia
  36. trig

    Solve for theta, giving a general formula for all of the solution: tan(theta)=-1 sin(theta/2)=1/2

    asked by Help
  37. math

    Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.

    asked by david
  38. 3 grade english ms sue

    GENERALIZE WHEN YOU READ YOU CAN SOMETIMES MAKE A GENERAL STATEMENT ABOUT WHAT YOU HAVE READ. A GENERAL STATEMENT TELLS HOW SOME THINGS ARE MOSTLY ALIKE OR ALL ALIKE. LOOK FOR EXPAMPLES. ASK WHAT THEY HAVE IN COMMON. DIRECTIONS-READ THE FOLLOWING

    asked by dw
  39. math

    convert 101101two to a number in base ten.

    asked by joseph
  40. Math

    A sphere is inscribed in a right cone. The slant height of the cone = the diameter of the base of cone. If the radius of the sphere is r, find the volume of the cone in terms of r.

    asked by Maya
  41. types of business writing

    Memorandum part. Draft an interoffice memorandum to Miriam Hopkins, the Director of Human Resources: A. Assume that you've received confirmation from Jeremy Dittmer for the date, time, and materials needed. The trainer he has assigned is Deb Walker

    asked by Shawna
  42. Physics

    1.You are stuck on a cliff and want to know how far to the bottom. You drop a rock and time how long it takes to hit the ground. If the rock takes 10 seconds to hit the ground how high is the cliff? How fast was the rock going to impact? 2. You throw a

    asked by Anonymous
  43. density

    which has more density a 50g. ball or an 80g. ball if they have the same volume

    asked by gfhgdfg
  44. Math

    A clock was exactly on time at noon on Monday. At 8 Pm. on Tuesday it was 128 seconds slow. At that same rate, how much did it lose in 1/2 hour? Question 2. if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800.

    asked by Shani
  45. physics

    A 350g glass beaker contains 500g of water at a temperature of 10.0°C. If 400g of ethyl alcohol at 35°C is subsequently poured into the beaker and the water and alcohol mixture is thoroughly stirred, what is its equilibrium temperature?

    asked by Paige
  46. types of businesss writing

    My third piece. Draft an email of at least four complete sentences to Deb Walker, the designated trainer: A. Confirm the arrangements for the seminar providing only the information she needs to arrive at the right place at the right time. B. copy both Mr.

    asked by Shawna
  47. Maths

    14 metres of rope costs €9.52. If Joe bought 21 metres, how much change out of €20.00 do Joe get? Is there a shorter way of doing this other than dividing, multiplying and then subtracting?

    asked by Richard
  48. statistics

    A random sample of 36 statistics students were asked to add a column of numbers. The amount of time required to compute the sum was recorded for each student. The sample mean time was 54 seconds with a sample standard deviation of 18 seconds. 1. Construct

    asked by Maggi
  49. chemistry

    hello i'm doing a redox stoichiometry lab having to do with titration 6H +5H2O2 + 2MnO4 -- 5O2 + 2Mn2+ + 8H2O Why is H2O2 the source of O2 product in this titration?

    asked by Jo
  50. statistics

    Calculate the z-score for each set of data. Determine who did better on her respective test, Tonya or Lisa. Student English Test Grade z-Score Student Math Test Grade z-Score John 82 Jim 81 Julie 88 Jordan 85 Samuel 90 Saye 79 Tonya 86 Lisa 82 Mean 86.50

    asked by Anonymous
  51. math

    A bicycle wheel has a diameter of 60 cm. How far would it move if it is rolled through four revolutions

    asked by Anonymous
  52. Science

    How many milliliters of water at 20.0 °C are formed in the combustion of 25.0 g of a methanol–propanol mixture that is 62.5% methanol by mass? Assume there is an excess of oxygen available.

    asked by Bob
  53. statistics

    The actual amount of potato chips that a filling machine puts into an “8-ounce” bag varies from bag to bag. If we consider the amount put into each bag as a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only

    asked by Anonymous
  54. Chemistry

    A 1 kg block of ice, at 0.0 celcius is added to a picnic cooler. How much heat will the ice remove as it melts into water at 0.0celcius?

    asked by Laurie
  55. algebra

    Four boys sit down to play a game of marbles. They empty the bag of marbles and divide the marbles among themselves, and they find they have one marble left. A fifth boy comes along and wants to play, so they divide the marbles among all five boys and once

    asked by LISA
  56. PHYSICS(URGENT)

    A body of mass 0.5 kg is thrown vertically upwards with a speed of 10 m/s. Determine: a.The initial kinetic energy of the body b.The gain in potential energy when the body has reached its maximum height c.The maximum height reached above the starting

    asked by LK
  57. reading

    in "the night the bed fell" how does the fact that all of the character were alseep when thurber's bed fell cause them to act especially starNGELY

    asked by Taylor
  58. physics

    An experimental flywheel, used to store energy and replace an automobile engine, is a solid disk of mass 202.0 kg and radius 0.35 m. (a) What is its rotational inertia? (b) When driving at 22.4 m/s (50 mph), the fully energized flywheel is rotating at an

    asked by opp
  59. MaTh AlgeBRA

    Type or write the essay question into a Microsoft Word document or on a separate sheet of paper and submit your completed essay to your teacher. Let f(x) = 2x^2 + x - 3 and g(x) = x - 1. Perform the function operation and then find the domain. f(x)/g(x)

    asked by CHEYANNE
  60. chemistry

    Hydorgen peroxide may be prepared by the following reactions: 2NH4HSO4 ---> H2+(NH4)2S2O8 (NH4)2S2O8+2H2O ----> 2NH4HSo4+H2O2 What mass of ammonium hydrogen sulfate, Nh4HSo4 is initially required to prepare 2.00 mole of H2O2? What mass of H2O is required?

    asked by Megan
  61. reading

    in "the night the bed fell" what is Brigg's crtchet, or peculiar idea

    asked by Taylor
  62. physics

    A copper calorimeter of mass ()g contains 380g of a liquid at 12degrees Celsius. A 20W heater is used for 3 minutes to raise the temperature of the liquid and calorimeter to 17 degrees Celsius. The calorimeter has a specific heat capacity of 400 J/K kg

    asked by Matteo
  63. Algebra

    The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?

    asked by sherry
  64. math

    Suppose $15000 is invested in an account for 6 years. Find the balance in the account if interest is compounded continuously at 6%.

    asked by Matt
  65. physics

    Suppose the water waves have a velocity of 1.2m/s and wavelength of 2.4m What is the frequency of the waves?

    asked by ******tasha******
  66. Chemistry

    The Energy from glucose is obtained from the oxidation reaction C6H12O6 + 6O2 --> 6CO2 + 6H2O How would a similar reaction look for Sucrose? I am trying to find an equation about how the body uses a compound, in this case sucrose. I'm just not sure how

    asked by James
  67. physics

    Phy 124 – Chapter 22 Problems 1. Consider the following. A spot on a boat is 2.5 m above the water, and the light strikes the water at a point that is 8.0 m horizontally displaced from the spotlight. The depth of the water is 4.0 m. Determine the

    asked by Simon
  68. math

    how do i solve 3x+2y=40,x+y=18 i would like the work shown.. thanks.

    asked by Dennis
  69. English

    -You are walking home when you notice signs of a storm gathering around you. Describe what happens and how you feel as you make your way to shelter.(IGCSE LEVEL) Trudging slowly home with my whining younger sister one humid afternoon,after an uneventful

    asked by Zakiyya
  70. College Physics

    suppose the two cars are headed in the same direction. A 1200kg car travels at 65 mph and a 1000kg car travels at 75mph. The faster car rear-ends the slower car and their bumpers catch so that they continue moving after the collision at the same speed. Use

    asked by Anonymous
  71. math

    beth walks 2 blocks in 15 minutes . how many blocks would beth walk if she walked at the same rate for an hour?

    asked by Tyshae
  72. calculus

    how do I find the equations for the lines tangent to the curve y 4 + x y= ------ 4 - x which are parallel to the line y = 2x 32.

    asked by Anonymous
  73. MaTh AlgeBRA

    Type or write the essay question into a Microsoft Word document or on a separate sheet of paper and submit your completed essay to your teacher. Let f(x) = 2x^2 + x - 3 and g(x) = x - 1. Perform the function operation and then find the domain. f(x)/g(x)

    asked by CHEYANNE
  74. math

    alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

    asked by chris
  75. Fundementals in desktop publishing

    1: Which of the following are considered errors that should be counted? A. A word with incorrect spacing after it. B. A word with incorrect punctuation. C. An omitted word. D. All of the above. I choose : A.

    asked by Sandy
  76. SCIENCE

    A string of length 8 m fixed at both the ends has a tension of 49 N and a mass 0.04 kg. Find the speed of transverse waves on this string.

    asked by SANDEEP SINGH
  77. Math

    The scale on a map is 1/4 inch = 25 miles. The Distance Between two cities on the map is 2 and 3/4 inches. What is the Actual Distance , in miles, between the two cities?

    asked by Lily
  78. Economics

    I've been picked to ask a presenter in our class about his presentation on Kyoto Protocol. What are some good questions I can ask? One question I think I'll be asking is "Do you think the Protocol is a success? (is it effective)

    asked by Steph
  79. History

    Explain what does Robert.e.Lee says to his son in letter.

    asked by Jack
  80. Match Check

    if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800 Right ?

    asked by Shani
  81. Math

    A company that produces a particular machine component has 3 factories, one each in Buffalo, Detroit, and Pittsburgh. 39% of the components produced come from the Buffalo factory, 36% of the components come from the Detroit factory, and 25% of the

    asked by Sammy
  82. Math Problem

    If you are looking at a graph of a quadratic equation, how do you determine where the solution are.

    asked by Lavern
  83. social studies

    How did the civil war affect the north? How did it affect the south?

    asked by stephanie
  84. English

    Writeacher, I need your help to check a few things. Thank you. 1) At the first time Clare didn't say if she was free, but the next day she confirmed she was able to go to the cinema. (Can you check this sentence for me?) 2) I would like to enrol at the

    asked by Matthew
  85. physic

    In an experiment, a mass m = 40 gm, attached to a string wrapped around the axle of a flywheel and starting from rest, falls through a distance of 147 cm in 3.5 seconds. The diameter of the axle of the flywheel is 12 cm What is the acceleration of the mass

    asked by ashley
  86. geometry

    rectangle a is similar to smaller rectangle b. the scale factor is 5/3. if the area of rectangle a is 150 square inches, what is the area of rectangle b?

    asked by josh
  87. english

    c an you pl explain the word employability correct spelling parts of speech etc

    asked by R S Telagathoty
  88. Trigonometry

    express in terms of sine and cosine. a) tan theta/ cot theta i know the answer is sin^2 theta / cos ^2 theta but how do you do it?

    asked by Jonathan
  89. algebra

    x squared + 8x + 32 = 11

    asked by Linda
  90. math

    Which describes this type of series? -20 - 18 - 15 - 11 … I think it is both arithmetic and geometric

    asked by Rocky
  91. Math-Calculus

    h(20) = 68 h'(20) = -3 how to find h(22)?

    asked by Vania
  92. Algebra

    how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.

    asked by Julia
  93. ALGEBRA!!!!

    how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.

    asked by JULIA!!!!!!!!!!!!!
  94. Algebra

    Pepperidge Farm Goldfish is a snackfood for which 40% of its calories come from fat. Rold Gold Pretzels receive 9% of their calories from fat.How many grams of each would be needed to make 620g of a snack mix for which 15% of the calories come from fat?

    asked by sherry
  95. Algebra

    Solve using the substitution method. 0.3x+0.2y=5,0.5x+0.4y=11

    asked by sherry
  96. Types of business writing

    Here is what I changed ...Working on my next one will post soon....... March 21, 2012 Jeremy Dittmer Employee Relations Specialist Wydade Consulting Services 1918 Church St. Burlington, VT 05672-0752 RE: Trainer request for hospital seminar Dear Mr.

    asked by Shawna
  97. Revised paragraph of 8-12 sentences

    I have to write these paragraphs for a writing assignment and just wasn't sure is I was doing it right. Need some advice!! ASSIGNMENT: You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and

    asked by alma
  98. chemistry

    Earl N. Meyer found that it took 26.54 mL of a 0.0100 M KOH solution to reach the equivalence point for the titration of 25.00 mL of HCl. What is the molarity of the HCl?

    asked by roger
  99. Math

    In a math class there are 28 students. Each student has a 90% chance of attending any given class and students act independently. What is the probability that tomorrow's class has perfect attendance?

    asked by Cortney
  100. Math

    Solve each equation for all real values of x. 7.) 3 cos 2x - 5 cos x = 1 8.) 2 sin^2 x-5 sin x + 2 = 0 9.)3 sec^2 - 4 = 0 10.) tan x (tan x-1) = 0

    asked by Maurice
  101. Math

    A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?

    asked by Hanu
  102. statistics

    in a class of 28 students, each student has a 90% chance of attending any given class and student act independently. what is the probability that tomorrow's class has perfect attendance?

    asked by Anonymous
  103. Algebra

    Select the set of equations that represents the following situation: Mike invested $434 for one year.He invested part of it at 9% and the rest at 10%.At the end of the tear he earned $40.16 in interest.How much did Mike invest at each rate of interest.?

    asked by sherry
  104. Algebra

    Select the set of equtions that represents the following equation.The sum of two numbers is 38, and their difference is 26 more than the smaller number what are the two numbers? a.)x+y=38;y-x=x+26 b.)2x=38;61=x+26 2y=38;61=x-26 x+y=38;x-y=26-x

    asked by sherry
  105. Algebra

    The point (6,2) lies on the line -x-8y=-22. Determine if this point is a solution of the system. -x-8y=-22,-7x+3y=-36

    asked by sherry
  106. income tax

    can someone please help me with this assignment? I don't know what to do Jeanette owns a rental property that she used for 20 days and rented for 80 days. The rental income was $10,000 and expenses included the following; mortgage interest $2,500; property

    asked by Andy
  107. Algebra

    Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55

    asked by sherry
  108. Algebra

    Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...-5x+4y=-16,-15x+2y=-58

    asked by sherry
  109. English

    Can you please help me check these sentences? Thank you. 1) I'd like to make a career as a teacher. I'd like to make money from my hobby. I'd like to earn money by working as a lawyer. 2) I hope the weather will be fine but if there is heavy reain, I'll

    asked by Matthew
  110. Chemistry

    pH of 10^-3M HAc and 10^-2M NH4Cl in aqueous solution?? Do you just figure out each [H+] concentration separately and then add them??

    asked by Jason
  111. Basic Statistics

    Historically, the proportion of adults over the age of 24 who smoke has been estimated to be .30. You want to take a sample to estimate the current proportion of adults over the age of 24 who smoke within 3% at 95% accuracy. When you completed the sample

    asked by Tammy
  112. Physics

    You throw a baseball straight up at 40 m/s and it reaches its peak after 4.00 seconds. What is its speed when it falls back into your hand? What is its displacement? What distance has it traveled?

    asked by Anonymous
  113. Math

    Aubrey's rope is 3 meters long.If she cuts it into 2 equal pieces,how long will each piece be in centimeters? A.300 B.150 C.100 D.50 C? Mr.Wand sells mangos for $1.50 each or $15 per dozen.His prices include tax.What is the greatest number of mangos that

    asked by running.from.myself
  114. English

    Could you please check if everything is correct? Thank you. 1) Thank you very much for having your students send email to their Italian partners. 2) Tomorrow I will distribute the emails to my students so that they can start the partnership. 3) Four more

    asked by Matthew
  115. Math

    The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?

    asked by Cristal perez
  116. Math

    Monique and her family decorated their house for the holidays.The roofline around their house measured 37 yards.When they went to the store,each box of lights contained 25 feet of stringed lights If they buy 5 boxes of lights,will they have enough lights

    asked by running.from.myself
  117. Physics

    A car starts from rest and accelerates uniformly to a speed of 50km/h in 18s. If the wheels of the car are 70cm in diameter. Calculate; a.The final angular velocity of the wheels b.angular acceleration

    asked by José
  118. math

    Which number represent the smallest .8 5 12 .888 .96For $1.80 2) a grocer buys a case of fruit which contains 12 dozen. She knows that two dozen will spoil before she sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole

    asked by Anonymous
  119. Math

    With a figure with 1 pair of parallel sides and 2 right angles, and the third angle is 52 degrees, what is the measure of the fourth angle?

    asked by Bobby Lee
  120. Math

    A clock was exactly on time at noon on Monday. At 8 Pm. on Tuesday it was 128 seconds slow. At that same rate, how much did it lose in 1/2 hour? Question 2. if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800.

    asked by Shani
  121. Probability

    7) Suppose that you roll a pair of standard 6-sided dice a total of 42 times. What is the probability that you will get a sum of 5 at least four times?

    asked by Anne
  122. Geology/construction

    Identify three (3) terms that are used to describe construction status? Help! I don't even understand the point of this question!

    asked by Scarlet
  123. geometry

    How do you find the area of a pyrimid?

    asked by Morgan
  124. Math

    Monique and her family decorated their house for the holidays.The roofline around their house measured 37 yards.When they went to the store,each box of lights contained 25 feet of stringed lights If they buy 5 boxes of lights,will they have enough lights

    asked by running.from.myself
  125. Math

    how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.

    asked by Julia
  126. English

    show your understanding of literary and non-literary prose by citing examples and discussing them. 450 words

    asked by Ansila
  127. Geometry

    The height of the segment from the apex of the cone to the base is 10 feet. The length of the diameter of the circular base is 4 feet. Calculate the volume

    asked by Melissa
  128. PHYSICS(URGENT)

    A particle has a mass of 5kg. It is held at a height of 3 metres above the ground. Find: a.Its potential energy b.It’s kinetic energy when is hits the ground c.The speed with which the particle hits the ground

    asked by LK
  129. English

    How do you call the washing podwer for the washing machine? A box of washing powder? Thank you.

    asked by Matthew
  130. physics

    Find the density of a 4.2- kg solid cylinder that is 13 cm tall with a radius of 5.0 cm.

    asked by jim
  131. math

    4 csc 2x = 2 csc2 x tan x

    asked by sheri
  132. MATHS

    pROVE THAT (cotx - tan x)cosx=cosec1x-2sinx

    asked by DEMA
  133. English

    Question:'I'm young.I want to have fun, not spend my time studying!' What are your views on this statement? ---------------------- In my opinion,this thought would obviously occur from time to time in the mind of any teenager spending his/her time studying

    asked by Parveen
  134. physics

    How might you determine the age of a star from an Earth-based telescope? What measurements might you make?

    asked by long
  135. biology

    if i have 1 litter of a 1M solution of HCI, how many grams of NaOH must i add to neutralize the solution and adjust the ph to 7

    asked by de
  136. algebra

    The sum of two numbers is 74. The larger number is 3 more than the smaller number. Find the numbers. i need to use substition method

    asked by BIBIN
  137. chemistry

    When a 0.5725 g sample of Lysol was titrated with 0.100 M NaOH, an endpoint was obtained at 15.00 mL. What is the percent of HCl in the Lysol sample?

    asked by hank
  138. Calculus

    A rectangular prism is defined by vectors (2,0,0) (0,9,6) and (0,0,3). Find the volume.

    asked by Melissa
  139. Spanish-SraJMcGin please help ?

    I'm so confused with these-please check them. ¿Estudias algo los sábados? No, no estudio nada los sábados.Do I need the no, no or just one no, estudio? ¿Hablas a francés a veces? No, no hablo nunca a francés. Once again, do I need no, no hablos or

    asked by Ellen
  140. Logarithms

    Determine if x=0.6 is a root of 4^(2x)=5

    asked by Labz
  141. Physics

    What is the instantaneous speed 3 seconds into the journey of a car traveling at a constant velocity of 10 m/ s?

    asked by Anonymous
  142. Science

    What type of signal is measured in a sonar system to determine the depth of the ocean? A. absorption of sound waves by underwater features B. reflection of sound waves by underwater features C. absorption of electromagnet waves by underwater features D.

    asked by Dayana
  143. math

    in the dark, veronica turns on a flashlight. what geometric figure is suggested by the bean of light?

    asked by omah
  144. Earth/Space Science

    In many ways, the floor of oceans is no better explored than space. Why could discoveries such as life around deep-sea hotspots not be investigated until the past few decades?

    asked by Carmen
  145. Math

    A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.

    asked by Hanu
  146. algebra

    mean is 20; 6,22,7,36,x what is the value of x

    asked by clara
  147. POS2041

    Why are government policies on immigration so controversial?

    asked by CJ
  148. Chemistry PLEASE HELP!!

    energy from glucose is obtained from this equation when it is oxidized in the body C6H12O6 + 6O2 --> 6CO2 + 6H2O What is the catalyst in this equation?

    asked by Annie
  149. Trigonometry

    Use the basic identities to simplify (1-sin^2 theta)/ (csc^2 theta - 1)

    asked by John Parker
  150. Embedded System and IC Design.

    Write a program, which writes the last two (2) digits of the student ID 1119939 into the 8051 microcontroller’s internal RAM addresses from 40h to 6Fh with the same data. Assume the last two (2) digits of the Stamford student ID(1119939) is a decimal

    asked by Emmanuel
  151. Embedde System and IC Design.

    Write a program that will count down from the last (4) digits of the student ID 1119939 until zero. Once completed, the function will reset and count down again. Assume the last two (2) digits of the student ID is a decimal number, and crystal oscillator

    asked by Emmanuel
  152. math

    Wow! Exclaimed Sammy. I have reached 47% of my goal! If her goal was 140 points, how many points does she have?

    asked by Ele
  153. algebra

    An equation belongs to the same family of graphs as y=3x+5, but it has a y- intercept of 7. How could you graph the equation without finding the equation first?

    asked by Anonymous
  154. biology

    Name a covalent bond of amylose that can become hydrolyzed? Name a cvalent bond of Casein that can become hydrolyzed?

    asked by Ashley
  155. English

    Could you please check these sentences, too? Thank you. That's the man I talked at the conference to. That's the man I talked to at the conference. On the Ten Tors Challenge I'm wearing a yellow T-shirt, black tracksuit pants, and a red-and-white bandanna

    asked by Matthew
  156. Just Curious

    what does dhs stand for?

    asked by ☻i♥zee☻-rfm
  157. math

    Rafael wants to 30 cenyimeters of wood to frame a rectangular photograph. What is the area his photograph could have?

    asked by Anonymous
  158. 6th grade english

    Which of the following is most likely to be a plot for a fantasy story? a) a pirate ship must sail across the ocean quickly b) a writer discovers an old diary c) an old magic book is stolen from a wizard d) all of the above i need help, i think it could be

    asked by ☻i♥zee☻-rfm
  159. physics14

    A uniform disk with a mass of 900 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz when Jill drops a 180-g clod of clay on a point 8.70 cm from the center of the disk, where it sticks. What is the new rotational

    asked by opp
  160. Eng.

    Given that she previously belonged to high society and that later she had to move to a trailer park, she did not like to mix with the rif-raff in the park. What part of speech is GIVEN in this sentence.

    asked by Riley
  161. 6th grade english

    is indiana jones a mystery story?

    asked by ☻i♥zee☻-rfm
  162. physics

    A modern sculpture has a large horizontal spring, with a spring constant of 277 N/m, that is attached to a 58.0-kg piece of uniform metal at its end and holds the metal at an angle of θ = 48.0° above the horizontal direction. The other end of the metal

    asked by opp
  163. math

    Which choice offers the lowest cost per ounce? 6oz for 42 cents? 8oz for 64 cents? or 4oz for 36 cents? This is 5th grade math assignment?

    asked by Kamya
  164. math

    alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

    asked by chris
  165. English/Math

    Hello! What does this mean? ...find the lenght of the arc subtended by an angle of measure 2... (I suck at English :) )

    asked by DAME
  166. physics

    You are investing an accident in which a vehicle traveling with a horizontal velocity Vo leaves the top of a cliff of height h, and lands a horizontal distance (x) from the base of the cliff. Prove that the relationship between vo and the other variables

    asked by Adam
  167. algebra 1b

    How do I work this out 3x/(x^2-16) can you help

    asked by kay
  168. Calculus please help!!! double integral

    Combine the following two integrals into one by sketching the region, then switching the order of integration. (sketch the region) im gonna use the S for integral sign..because idk what else to use. SS6ycos(x^3-3x)dxdy+SS6ycos(x^3-3x) And the first

    asked by Sean
  169. Probability

    Six marbles are chosen without replacement from a box containing 10 red, 8 blue, and 3 yellow marbles. Let X be the number of blue marbles chosen. a) Find the probability distribution of X. b) Find the mean of the random variable X

    asked by Anne
  170. English

    Can you please help me work out phrasal verbs related to work? When do you think will you come ...... to work? What are the possible prepositions? back .... are there others? What about "down"? Can you think of any phrasal verbs used with work (apart from

    asked by Matthew
  171. Math

    The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?

    asked by Cristal perez
  172. 6th Grade Math

    Formulas for a Triangle perimeter- a + b + c (add all sides) semiperimeter- a + b + c ÷ 2 (add all sides the divide by 2) area- base • height ÷ 2 (multiply base by heighth divide by 2) base- 2 • area ÷ height (2 by area divide by heighth) height- 2

    asked by Z}12ih8z12{Z
  173. Reading

    Once upon a time there was a little girl who cried and cried.The little girl dreamed constantly of a special fish.She desired this fish with all her being.The fish was unlike any other fish the girl had seen.It was a huge fish that lept joyously out of the

    asked by running.from.myself
  174. Math

    The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?

    asked by Cristal perez
  175. math

    given O(0,0) and N(12,0) write an equation in terms of x and y for all points P(x,y) such that segment PO is perpendicular to segment PN. simplify this equation and show that P is on a circle.

    asked by tatiana
  176. algebra

    Sara bought some 6-penny nails and some 10-penny nails at ace hardware. She bought 2 more 6-penny nails than she did 10-penny nails. She had a total of 8 nails. How many 6-penny and 10 penny nails did sara purchase?

    asked by John
  177. Chemistry

    I have a project due tomorrow where I have to have a recipe that is made up of three ingredients. Part of the project is to convert each of the ingredients into individual serving sizes. How do I do this?

    asked by Anonymous
  178. English

    Thank you very much. I need you to check these sentences. 1) My father took a day off work (not a day off from work) to take me to the seaside. 2) They took 20% off (not "from") the list price. 3) He let the students off with an warning. He let off the

    asked by Matthew
  179. Geometry

    The height of the segment from the apex of the pyramid to the base is 10 feet. The length of the diagonal of the square base is 4 feet. Calculate the volume

    asked by Melissa
  180. maths

    Resolve 3x/x^2-x-12 into partial fractions

    asked by daka
  181. algebra 11

    At Joseph Middle School, the probability that a boy takes English and Science is 0.087. The probability that a boy takes English is 0.68. What is the probability that a boy takes Science given that the boy is taking English?

    asked by Shad
  182. Algebra I

    Please help; explanation provided, too! y=-4x^2+x+1

    asked by Mariella
  183. Math

    Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Do I have to find the magnitude of (2,3) and (-6,4) and square root the answer?

    asked by Jake
  184. Res/341

    what are the disadvantages of newspaper articles

    asked by anita
  185. math

    simplify. 1) 9 - 3 - 4 2) 9 + 1 +3 3) 6 + 1 + 3 4) 5 + 4 - 2 5) 6 - 5 + 2 6) 9 - 2 + 5 Help D:

    asked by Help!
  186. History

    Explain what does Robert.e.Lee says to his son in letter.

    asked by Jack
  187. Physics

    1. How is it that you could list five different speeds you are going at this moment?

    asked by Anonymous
  188. Chemistry honors

    You have 2.657 x 10^2 mL of oxygen gas (O2) at 7.02 x 10^2 mm of Hg and 46 oC. What is the mass of the sample in milligrams?

    asked by haley
  189. Physics

    Calculate AMA given μk = 0.019 and an angle of 11 degrees.

    asked by Chris
  190. math

    simplify. 1) 9 - 3 - 4 2) 9 + 1 +3 3) 6 + 1 + 3 4) 5 + 4 - 2 5) 6 - 5 + 2 6) 9 - 2 + 5

    asked by Jasmine
  191. english

    its hard to pretend that im ok when im not. deep inside my heart i know that i deserve it as much as they deserve it.

    asked by Anonymous
  192. english

    can you help me reconstruct this sentence. its hard to pretend that im ok when im not. deep inside my heart i know that i deserve it as much as they deserve it.

    asked by Anonymous
  193. Algebra

    What do I do if a compound inequality contradicts itself? Do I put down empty set, or what?

    asked by Benjamin
  194. statistics

    Rootover 5.3 in number line

    asked by Anonymous
  195. statistics

    a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only 1% of the bags contain less than 8 ounces of potato chips.

    asked by Anonymous
  196. math

    given a deck of ten cards numbreed one through ten ,whats the probability of selecting an even card, not replacing it in the deck , and then selecting a five

    asked by ebony
  197. Calculus and vectors @ Bob Purs

    Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Is this correct? (-6-2), 4-3) sqrt(8^2+1^2) sqrt(65) =8.062257748(2) =16.124?

    asked by Jake
  198. Algebra 2

    (4x^3-4x^2-x-3)divided by(2x^2-3)

    asked by Nancy
  199. Statistics

    If a researcher were studying the effects of a teaching method on patient learning outcomes, how would the research question need to be worded to use a t-test to test for statistical differences? What would the null and alternative hypotheses be?

    asked by Wanda
  200. physical

    5 facts about wounds

    asked by Anonymous
  201. Algebra

    A university bookstore recently sold a wirebound graph paper notebook for $1.08, and a college ruled notebook for $3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of $88.68 .How much of each type were

    asked by sherry
  202. Math

    I'm doing logarithms. Solve: 2^(6x-1)=28

    asked by Henry
  203. Algebra

    Determine whether the point(7,2) is a solution of the system..-3x+4y=-13,-2x+8y=2,by substituting the point into each equation.

    asked by sherry
  204. math

    where are the zeros of zeta of s?

    asked by steve
  205. algebra

    evaluate the funtions at the specified values of the independent vaiable and simplify f(x)= (x+8)^1/2+2 a. f(1) b. f(x-8)

    asked by Anonymous
  206. chemistry

    a solution has gluten concentration of 2000ug/mL at 150uL. if 2uLof that solution is taken out what is the quantity of gluten in ppm?

    asked by ms
  207. Math

    Showing work, what is 32.4 divide by 1038? :)

    asked by Bryan
  208. Math

    Mathew has received $1 the first week, $3 the 2nd week, $5 the 3rd week and so on until he has received a total of $1 000 000. What amount did he receive the last week?

    asked by Sim
  209. Chemistry

    How do you convert Ounces to Grams longhand?

    asked by Lee
  210. learning strategies

    metacognition refers to

    asked by Anonymous
  211. help ?

    Let f(x) = (x − 3)^−2.Find all values of c in (1, 4) such that f(4) − f(1) = f'(c)(4 − 1).(Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

    asked by Fatih
  212. Math

    The process sends the dust through a heater that raises the temperature to 500 F with an air density of 0.042 lbs./ft3. The velocity pressure of the air moving through the process is 2.7 inches of water. What is the estimated air velocity in the process?

    asked by Wezee
  213. Calculus

    Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Could someone please help~

    asked by Jake
  214. Chemistry

    What is a glucose molecule structure made up of? Is it: oxygen, hydroxl ions, hydrogen ions, and carbon bonds? I'm not good at this, is this even close to being right?

    asked by Lex
  215. English

    Which one is correct? You'd better go over your maths notes. You'd better go through your maths notes

    asked by Matthew
  216. conics

    given O(0,0) and N(12,0) write an equation in terms of x and y for all points P(x,y) such that segment PO is perpendicular to segment PN. simplify this equation and show that P is on a circle.

    asked by tatiana
  217. trig

    What is cosx=1/2?

    asked by Jaime
  218. Physics

    You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far?

    asked by Anonymous
  219. Calculus

    If A=(1,2,4) and Vector A+B =(3,1,-2). What is B?

    asked by Jake
  220. English

    You are a journalist. Write an article on the subject of young people's interest in computer games. In your article you should: - discuss the positive and negative aspects of playing such games. - Persuade readers to take a balanced view towards the use of

    asked by Parveen
  221. Chemistry

    But in the answer options: a) -27.4 kJ b) -72.8 kJ c) -78.4 kJ d) -84.6kJ I attempted this problem in the other way.When using the q =mcdT,I added the mass of both water and sulfuric acid. q = (300g +10.65g)(4.184J/g.K)(6.55C) = 8513.43 J Then, I

    asked by Meenaakshi
  222. Physics

    A ball thrown upward at 60.0 m/s has what speed after 5 seconds? What equation do I use?

    asked by Anonymous
  223. math

    how do you measure reflex angles?

    asked by jdgirl
  224. algebra

    I do not understand this problem: Factor by grouping: 1-c+cy-y

    asked by Jay
  225. Calculus and vectors-Help~David

    Rectangular prism is defined by vectors (2,0,0)(0,9,5) and (0,0,3). Find the volume. I have done this so far, would anyone please verify this. (2,0,0)(0,9,6) (0-2, 9-0, 6-0) =(-2,9,6) (-2,9,6)(0,0,3) =(2,-9,-3) (2)(-9)(-3)=54 cm^3 Therefore volume is 54

    asked by Jake
  226. spanish time

    im confused on saying 7:20 in spanish

    asked by ?????
  227. organizational communication

    How can the Johari Window help people understand their self-perception and the perception others have of them?

    asked by Anonymous
  228. math

    Jada's house is 8 blocks from school. How many blocks does she ride her bike TO AND FROM school in 5 days? Explain how you found your answer

    asked by taylor
  229. chem

    If the pressure of the original doubles does that mean the original will decrease by 1/2? Because pressure and volume are inversely proportion to each other?

    asked by bkue
  230. Physics

    You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far? What equation do i use? Variables explain!

    asked by Anonymous
  231. Physics

    You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far? What equation do i use? Variables explain!

    asked by Anonymous
  232. math

    w _ = 6 5 What is the value of w?

    asked by taylor
  233. math

    find two rates for each given rate: 1) 18people/12people 2) 1.5 miles/ 2.4 minutes please help sooooo confused

    asked by Paula
  234. Chemistry

    So,my second method is correct isn't it? The answer is -78.4kJ?

    asked by Meenaakshi
  235. PSYCHOLOGY

    Explain Gray’s model of approach/avoidance motivation. PLEASE HELP!

    asked by CHASEONE