Questions Asked on
June 14, 2013

  1. Physics

    An object is dropped from a platform 100 feet high. Ignoring wind resistance, what will its speed be when it reaches the ground? _____ ft/s Please help me!!!

    asked by Isis
  2. English

    Read the following selection from “Winter Mist” by Robert Palfrey Utter. Then, answer the questions that follow. I like pond skating best by moonlight. The hollow among the hills will always have a bit of mist about it, let the sky be clear as it may.

    asked by Lanny
  3. Physics

    An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. Determine how long it takes to get to the maximum height of 24.0 m.

    asked by Isis
  4. Physics

    A skydiver is jumping from an airplane traveling at 10.0 m/s. The plane is 3520 m above the earth. The sky diver pulls his cord at 1760 m above the earth. Neglecting air resistance, how far does the skydiver travel horizontally before pulling the cord?

    asked by Isis
  5. chemistry

    Suppose that 0.483 g of an unknown monoprotic weak acid, HA, is dissolved in water. Titration of the solution with 0.250 M NaOH(aq) required 42.0 mL to reach the stoichiometric point. After the addition of 21.0 mL, the pH of the solution was found to be

    asked by Sara
  6. Math 10

    cashew nuts sell for $21.00/kg. Brazil nuts sell for $15.00/k. A distributor sold a total of 120 kg of nuts and Brazil nuts for $2244. What mass of each type of nut was sold?

    asked by Chanel
  7. Business Statistics

    A random sample of six CEOs reported how many times per year they play tennis. The data follows. 3 41 96 32 52 19 Assuming the number of games played is normally distributed and the population standard deviation σ = 10, a 95% confidence interval for μ

    asked by me
  8. Chemisty

    Calculate the \rm pH of a 0.10 M solution of hydrazine, \rm N_2H_4. K_b for hydrazine is 1.3\times 10^{-6}.

    asked by Karlie
  9. physics

    According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy “Dizzy” Carlyle in a minor league game. The ball traveled 188 {\rm m} (618 {\rm ft}) before landing on the ground outside the ballpark part a Assuming

    asked by Bob
  10. physics

    A block of mass 0.8 kg is dragged along a level surface at constant velocity by a hanging block of mass 0.2 kg as shown in fig. 2.29. Find tension in the string and acceleration of the system, if the coefficient of friction between the block and the

    asked by Ashima
  11. math, statistic

    the average of the hemoglobin reading for a sample of 20 teachers was 16 gram per 100 milliliters, with a sample standard deviation of 2 grams. find the 99% confidence interval of the population mean.

    asked by nurul
  12. Physics :(( help please

    You and a friend are going to ride on a Ferris wheel. For a little extra fun, when your friend is at the very top of the Ferris wheel she's going to drop a tennis ball. How far around the Ferris wheel in radians from your friend should you sit so you can

    asked by john
  13. English

    Which of the following is true regarding a restrictive adjectival clause? A. It will follow a general noun and is not set off by commas. B. It will be set off by commas. C. It will typically include the relative pronoun which. D. It will follow a proper

    asked by Cherokee
  14. Math

    A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability

    asked by Tom 6
  15. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  16. English

    Which sentence contains repetitious words that should be left out? A. The bright star is visible to the eye. B. The star was visible centuries ago. C. The bright star is visible. D. The star will soon disappear.

    asked by Cherokee
  17. Statistics help

    Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989. (b) Find the standard score (z) such that the area above the mean and

    asked by DeeDee6
  18. Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J

    asked by Josh
  19. Physics

    If the airplane is traveling at a velocity of 320 km/h to the north, how long will it take to reach its destination if that destination is 2300 km to the north?

    asked by Isis
  20. Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J

    asked by Josh
  21. Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J

    asked by Josh
  22. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  23. physics

    Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at oi = 5.90 m/s as in Figure

    asked by beneth
  24. Finance

    a firm wants to create a weighted average cost of capital (WACC) of 10.4 percent. The firm's cost of equity is 14.5 percent and its pre-tax cost of debt is 8.5 percent. The tax rate is 34 percent. What does the debt weight need to be for the firm to

    asked by Louise
  25. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  26. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  27. English

    The infinitive is the most versatile verb form because it can be used as A. a verb, an adjective, or a preposition B. a verb, a noun, an adverb, or an interjection C. a verb, an adverb, or a conjunction D. a verb, a noun, an adjective, or an adverb

    asked by Cherokee
  28. English

    Which sentence contains italicized words that are used as an infinitive phrase? A. Jane parked her car behind a truck. B. Kelly went to the grocery store. C. Tom went there for some flour. D. Mark wanted to go, but not today.

    asked by Cherokee
  29. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  30. chemistry

    The combustion of 1.00 g of gasoline releases 11100 cal of heat energy. Determine the number of megajoules (MJ) released when 1.75 gallons of gasoline is burned. (Density of gasoline = 0.740 g/mL)

    asked by Susie
  31. math

    A game is played by drawing 4 card from an ordinary deck and replacing each card after it is drawn.find the probability that at least 1 king is drawn

    asked by nurul
  32. writing

    Using elipsess and brackets Add punctuation to the following excerpt. Writing under the name of Diedrich Knickerbocker Washington Irving aimed his potent satire at as diverse topics as political rivals such as Thomas Jefferson to the very ideal of looking

    asked by madison
  33. Business Math

    Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays 10% compounded quarterly. a. $26,430.20 b. $29,073.31, c. $26,430.25 or d. $27,751.79

    asked by LaDonna
  34. chem 5

    Calculate the moles of {\rm Cu} in 2.5×1021 atoms of {\rm Cu}.

    asked by pj
  35. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B.

    asked by Josh
  36. physics

    The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is

    asked by anonymous
  37. Business Math

    The balance sheet of Karim Imports lists the following account balances: cash $6,450; supplies $1,200; accounts receivable $15,360;office equipment $8,500; merchandise inventory $28,775; current assets $65,800; accounts payable $12,650; mortgage payable

    asked by LaDonna
  38. College Accounting

    Recording federal income tax transactions and cash dividend transactions. Selected transactions of Divad Corporation during 2013 follow. Record them in the general journal. Analyze: What annual per share dividend was paid to common stockholders in 2013?

    asked by Janice Edwards
  39. Physics

    Three lead balls of mass m1 = 16kg, m2 = 26kg, and m3 = 9.3kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force. magnitude N

    asked by Jody
  40. physics

    A hot-air balloon is rising upward with a constant speed of 3.93 m/s. When the balloon is 4.91 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

    asked by Anonymous
  41. Math help

    Can someone give me a heads up on how to even start this problem.. Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and below z under the normal curve is 0.3989.

    asked by Tom 6
  42. math

    evaluate the amortization formula m= p(r/n)/1-(1+r/n)^nt for the variables p,r, and t (respectively). Assume n=12 (Round your answer to nearest cent.) $150,000;6%;15 yr

    asked by christine foree
  43. Physics

    Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the road is tilted "away" from the center of curvature of the road. If the coefficient of static friction between the tires and the

    asked by Jody
  44. Physics

    A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a

    asked by Jody
  45. Statistics help

    A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a variance of 2209. (Give your answers correct to four decimal places.) (a) If a truck can carry 3940 lb. and 25 appliances need to

    asked by DeeDee7
  46. chemistry

    200 ml of oxygen is collected over water at 18 degree Celsius and standard pressure, what will the volume of the dry oxygen be at STP?

    asked by jessica
  47. physics

    If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider

    asked by anonymous
  48. math

    A.) graph the quadrilateral with the end points A(6,5), B(-3,-1), C(-1,-4) and D(8,2) B.) what type of quadrilateral is ABCD? use slope to justofy your answer Can someone please help me with ASAP thank you so much

    asked by mikayla
  49. algebra!!!! please help me!!!!

    The smallest possible positive value of 1−[(1/w)+(1/x)+(1/y)+(1/z)] where w, x, y, z are odd positive integers, has the form a/b, where a,b are coprime positive integers. Find a+b.

    asked by robert
  50. physics

    An airplane is moving through the air at a velocity v=200m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. a) Determine the velocity of the air just over the

    asked by lim
  51. Physics

    An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle

    asked by Annoyingmous
  52. Physics

    Two charged particles initially are traveling in the positive x direction, each with the same speed v, and enter a non-zero magnetic field at the origin O. The magnetic field for x>0 is constant, uniform and points out of the page. In the magnetic field,

    asked by Annoyingmous
  53. physics

    a flask contains helium gas at 11k. the flask is thermally isolated and the gas is allowed to escape slowly through a narrow tube until the pressure within the flask is 0.98 atm and the temperature is 4.2K. if the gas is ideal, find the initial pressure

    asked by annie
  54. Chemistry

    What volume of 0.123 M NaOH(aq) must be added to 125 mL of 0.197 M H2SO3(aq) to reach the following points? (a) the first stoichiometric point (b) the second stoichiometric point

    asked by Sara
  55. Chemistry

    What volume of 0.123 M NaOH(aq) must be added to 125 mL of 0.197 M H2SO3(aq) to reach the following points? (a) the first stoichiometric point (b) the second stoichiometric point

    asked by Sara
  56. sharma

    If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider

    asked by shyam
  57. Maths

    true/false 1. a cubic polynomial has at least one zero.............. 2. a quadratic polynomial an have at most two zeroes.......... 3. if r(x)is the remainder and p(x) is the divisor, then degree r(x) < degree p(x)............ 4. if zeroes of a quadratic

    asked by Shiana
  58. Business Math

    Professional Security Systems purchased 5 dozen dead-bolt lock sets from a manufacturer for $255. If the company's markup rate is 28% of the selling price, what is the selling price of each lock set?

    asked by LaDonna
  59. Business Math

    The Tao Inc. purchased an asset for $170,000 with a salvage value of $8,500 have a useful life of four years. Find the depreciation expense for the first year using the 150% declining blance method. a. $63,750 b. $63,500 c. $63,250 or d. $63,000

    asked by LaDonna
  60. Intermediate algebra, concepts and graphs

    How do I solve the absolute value of: (x-2)>1? I am completely lost and my homework online is saying I did it wrong. I came up with 3

    asked by Lisa
  61. Stats

    I have done parts of this question (they are capitalized)which I was hoping someone could double check, and there are other parts that I need help on. 1. The manager of a fitness center is interested in the average weight-to-height ratio of the center's

    asked by mysterychicken
  62. physics

    A car is hauling a 89 kg trailer, to which it is connected by a spring. The spring constant is 2100 N/m. The car accelerates with an acceleration of 0.29 m/s2. By how much does the spring stretch?

    asked by Andrew
  63. simple question

    If an answer is to be 2 decimal places and the answer is 244.0983 would that make it 244.00 or 244.10 not sure???

    asked by DeeDee7
  64. science

    whether or not we as humans should be concerned with the extinction rate. Additionally, discuss whether or not humans strive to preserve representative samples of all biomes on the planet.

    asked by Anonymous
  65. Chemistry

    The pH of 0.40 M HF(aq) is 1.93. Calculate the change in pH when 0.301 g of sodium fluoride is added to 53.7 mL of the solution. Ignore any change in volume.

    asked by Sara
  66. Math 10

    solve this linear system 2/3m + 3/4n = 16 -1/2m + 3/8n = 18

    asked by Chanel
  67. physics

    The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is

    asked by Anonymous
  68. science

    The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is

    asked by raja harishchandra
  69. science

    If you watch little kids try to open doors, they will often just push anywhere on the door, rather than on the edge like adults do. This is because they don't understand that it's easier to open a door if you push on the edge. But how much easier? Consider

    asked by raja harishchandra
  70. Diversity

    Children with special needs may have delays or be slow to progress in one or more areas.

    asked by DEE-DEE
  71. Finance

    You are considering buying 100 shares of TEXAS INC common stock. The common stock is expected to pay a dividend of $2.50 a year from today; the growth rate of the dividends is 8% for two years, then level off to a constant rate of 5% per year. The

    asked by Sally
  72. Boolean Algebra

    In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

    asked by Hy'Lee
  73. English

    Is rocket the simple subject for the following sentence. The Saturn rocket made travel to the moon possible.

    asked by Cherokee
  74. Math

    (y+5)/(y^(2)+4-32) Find the excluded values for the following fraction.

    asked by Jada
  75. Math

    Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine the

    asked by Bob
  76. Chemistry

    636 grams of Na2CO3(s) are disolved in 3.0 liters of aqueous solution

    asked by Jane
  77. English

    One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. B. After the rain ended, the sky became blue. C. I

    asked by Cherokee
  78. Diversity

    Julie has a speech delay and is often shy with other children. The best way to include her in your daily group activities is to A) Ask a volunteer to provide her with individual attention.B) provide her with some books to read while you work with the other

    asked by DEE-DEE
  79. Diversity

    One of your friends was a victim of a crime committed by a new immigrant to the country. Now she is intolerant of any children who don't speak english as their first language. This is an example of A. stereotyping B. discrimination C. racism D. inclusion

    asked by Annoymous
  80. Boolean Algebra

    In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

    asked by Hy'Lee
  81. Calculus

    Find the values of a , b , and c in the quadratic function p(x)=ax2+bx+c such that p(2)=6, p'(2)=2, p"(2)=3

    asked by Robin
  82. math

    calculate,in terms of weight of 1kg, the force necessary to maintain a body of mass 147kg in uniform speed of 10m/s in a circle of radius 5m

    asked by vicky
  83. math

    calculate , in newtons correct to the nearest unit, the force necessary to maintain a body of mass 2kg in uniform angular speed of 2rev/s in a circle of radius 0.2m

    asked by vicky
  84. Quantative Method

    Generate your Unit transportation costs (in excel) 1. Ship construction logs from 8 provinces in Canada to 50 states in the U.S. Minimize total shipping cost. 2. Set up the demand in each state of the U.S. 3. Set up availability of logs in the 8 provinces

    asked by Anita
  85. math

    Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen

    asked by anonymous
  86. chemistry

    If 36 grams of water yield 4.0 grams of hydrogen gas after a chemical reaction, how many kilograms of hydrogen gas will you obtain from 4.35 x 10^4 milligrams of water?

    asked by Anonymous
  87. Math

    Please please help!!!!! Solve the inequality and write the solution set in interval notation 4x^3 -6x^2

    asked by Ashley
  88. Math

    The amount to be financed on a new car is $9,500. The terms are 11% for 4 years. What is the monthly payment? (a) State the type. future value ordinary annuity present value amortization sinking fund (b) Answer the question. (Round your answer to the

    asked by Ronald
  89. maths

    if alpha and beta are zeros of the polynomial f(x)=xx+px+q then polynomial having 1/alpha and 1/beta as its zeros is:

    asked by Anonymous
  90. maths

    how will I know that a group is a function

    asked by cedric
  91. maths

    Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen

    asked by raja harishchandra
  92. statistics

    How do you calculate the z-score for a package weighing 29.6 pounds ( round to 2 decimals)?

    asked by lina
  93. Health

    What type of questions should a patient ask a doctor before getting cosmetic surgery?

    asked by Chelsea
  94. Quantitative Methods

    What will be the 12th and 77th terms in the series 10, 12, 14, 16, ?

    asked by ram
  95. physics

    can all of the forces be in two adjacent quadrants

    asked by Anonymous
  96. determination of dividends

    determine dividend for 14,000 shares of $2.25 preferred stock.

    asked by Anonymous
  97. English

    Is The dog followed the rabbit when it jumped into the bushes. a compound sentence?

    asked by Cherokee
  98. Diversity

    Children with special needs may have delays or be slow to progress in one or more areas. They A. usually require special equipment to help them move around. B. need oportunities to interact with nondisabled children. C. have difficulty fitting in with

    asked by DEE-DEE
  99. Diversity

    Julie has a speech delay and is often shy with other children. The best way to include her in your daily group activities is to

    asked by DEE-DEE
  100. Conceptual Physics

    How do you calculate the time traveled while traveling 25 knots? It needs to be converted into km/hr.

    asked by christina
  101. conceptual physics

    How do you calculate the time a boat has traveled at 25 knots

    asked by christina
  102. Diversity

    One of your friends was a victim of a crime committed by a new immigrant to the country. Now she is intolerant of any children who don't speak english as their first language. This is an example of A. stereotyping B. discrimination C. racism D. inclusion

    asked by Annoymous
  103. Calculus

    Find the values of a , b , and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, pŒ(2)=2, and pŒŒ(2)=3.

    asked by Robin