Popular questions and responses by denise
  1. force

    A 10-kg box is pulled along a horizontal surface by a force of 40N applied at a 30° angle above horizontal. The coefficient of kinetic friction is 0.3. Calculate the acceleration

    asked on October 30, 2015
  2. stats math

    Suppose that two cards are randomly selected from a standard 52-card deck. What is the probability that the first card is a spade and the second card is a space if the sampling is done without replacement?

    asked on November 26, 2012
  3. Math

    What is the net price factor for trade discounts of 25/15/10? Use the net price factor you found in the previous question to find the net price of a couch listed for $800.

    asked on May 20, 2013
  4. Accounting

    The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. NELSON COMPANY Unadjusted Trial Balance January 31, 2013 Debit Credit Cash $ 26,150 Merchandise inventory 14,500 Store supplies 5,000 Prepaid insurance 2,100 Store

    asked on October 16, 2013
  5. chemistry

    this is for a lab - determining the chemical formula of a hydrate. suppose the hydrate was heated too quickly and some of it was lost of spattered out of the container. explain how hthis would effect a) the calculated percent by mass of water in the

    asked on October 27, 2009
  6. accounting

    "Harris Company manufactures and sells a single product. A partically completed schedule of the company's total and per unit cost over the relevant range of 30,000 to 50,000 per units produced and sold are: United produced and Sold: 30,000 ; 40,000; 50,000

    asked on June 3, 2010
  7. Math

    If the stem-and-leaf plot shows kilometers walked by participants in a charity benefit walk. How do I determine how many people participated in the walk and how many of the walkers traveled more than 14 kilometers? I don't want the answer. I just want to

    asked on October 9, 2014
  8. Math

    From a survey of 100 college students, a marketing research company found that 60 students owned iPods, 50 owned cars, and 20 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)? 1 students (b) How many students do

    asked on April 14, 2013
  9. Precalculus

    A 60-foot tree casts a shadow 85 feet long. The sine of the angle of elevation of the top of the tree to the sun is approximately ___. A. .82 B. .75 C. .58 D. .33

    asked on May 25, 2015
  10. Social Studies

    why were the islands shown on this map most likely acquired or annexed by the united states?

    asked on May 12, 2017
  11. Chemistry - Gravimetry

    If 0.8000 g of a mineral yields 0.2400 g of NaCl + KCl, and this mixture contains 58.00% of Cl, what is the percentage of Na2O and K2O in the mineral? I already tried solving it and I got 12.69% Na2O and 3.84% K2O. However, I checked the answer key and the

    asked on March 6, 2017
  12. Science

    Is air a good radiator, insulator, conductor or convector of heat? If three metal spoons are on a table and each at room temperature, what will happen if they touch?

    asked on October 11, 2014
  13. Business Management

    What kinds of queries would be useful to Woodcraft, assuming that it wants to improve its sales, relationship with its customers, or other aspects of its business? Describe what information you might want to select from the database in the form of a query,

    asked on March 22, 2015
  14. Precalculus

    The legs of a right triangle measure 5 inches and 7 inches. If theta is the angle between the 5-inch leg and the hypotenuse, sin theta=_____. A. .71 B. .81 C. .07 D. .58

    asked on May 26, 2015
  15. Precalculus

    Dr. Black is standing 20 feet from a streetlamp. The lamp is making his shadow 5 feet long. He estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 30 degrees. To the nearest foot, the streetlamp is about _____.

    asked on May 26, 2015
  16. trig

    Karen earns 43 dollars per week working pt at a bookstore. she makes one dollar more for each book she sells. the amt A, in dollars that Karen earns in a week ifshe sells b books is given in the function A(b) =43 + b how much does she earnin a week if she

    asked on April 18, 2015
  17. stats math

    Suppose you are selling raffle tickets for $3.00 each. You have the following prizes.1 grand prize of $150 1 prize of $75 1 prize of $50 1 prize of $25 5 prizes of $10 each A total of 500 raffle tickets are sold. What is the expected value of each ticket?

    asked on November 26, 2012
  18. Geometry

    What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the isosceles trapezoid?

    asked on February 13, 2017
  19. chemistry

    Assuming that the volumes are additive, what volume of water must be added to 35.0mL of 23.0 M HCl to make a solution which is 3.00 M?

    asked on April 13, 2011
  20. statistics

    You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. While it is an uncommon confidence level, find the critical

    asked on July 26, 2017
  21. math

    convert the credit card rate to APR Oregon, 2 1/4% per month

    asked on March 3, 2013
  22. math

    A couple plans to save for their child’s college education. What principal must be deposited by the parents when their child is born in order to have $100,000 when the child reaches age 18? Assume the money earns 4% interest, compounded quarterly.

    asked on November 15, 2013
  23. Math

    Which fraction equals a repeating decimal? a) 5/80 b) 11/88 c) 17/85 d) 18/81

    asked on August 30, 2018
  24. Math

    A 12-ft. board is cut into 2 pieces so that one piece is 4 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.

    asked on April 21, 2016
  25. chemestry

    suppose two gases in a container have a total pressure of 1.20 atm.What is the pressure of gas B if the partical pressure of gas Ais 0.75 atm?

    asked on June 12, 2010
  26. math

    I have 13 ones and 4 tens. Who am I

    asked on January 22, 2013
  27. Math

    Katherine earned 84,92,84,74, and 70 on her first five test. What is the minimum grade Katherine needs to earn on the next test to have a mean of 84 ?

    asked on May 9, 2016
  28. math

    Write each ratio as a fraction in simplest form. 1. 3 sailboats to 6 fan boats

    asked on November 6, 2012
  29. science

    2 grams of salt are dissolved in 20 grams of water. How much will the mixture weigh?

    asked on April 23, 2010
  30. Calculus

    A solid has as its base a circular region in the xy plane bounded by the graph of x^2 + y^2 = 4. Find the volume of a solid if every cross section by a plane perpendicular to the x-axis is an isosceles triangle with base on the xy plane and altitude equal

    asked on September 11, 2010
  31. Geometry

    The captain of a ship at point A and sailing toward point B observes a lighthouse at L and finds angle LAC to be 36*30'. After sailing 5 km to B, he observes angle LBC to be 73*. How many kilometers is position B from the lighthouse?

    asked on June 9, 2012
  32. soc 101

    Imagine a society in which there are no social classes- no differences in people’s wealth, income, and life chances. What would such a society be like? Would it be stable or would its social structure change over time? How could you apply Max Weber’s

    asked on December 16, 2009
  33. finding present value

    Achieve 225,500 at 8/85% compounded continuously for 8 years, 125 days

    asked on March 3, 2013
  34. Markov chains

    A company has 2 machines. On any day, each machine that is working has a 1/3 chance of breaking down. If a machine breaks down during the day, it is sent to a repair facility and will be working 2 days after it breaks down. Letting the state of the system

    asked on November 18, 2012
  35. Physics

    What is the magnitude of the earth's gravitational field at sea level?

    asked on December 8, 2011
  36. Precalculus

    The arc corresponding to a central angle of 35 degrees in a circle of radians 10 feet measures _____ feet. Round your answer to two decimal places.

    asked on May 26, 2015
  37. microeconomics

    charlie loves watching teletubbies on his local public tv station,but he never sends any money to support the station during its fundraising drives.

    asked on December 7, 2013
  38. physical science

    If a sample emits 1000 counts per second when the detector is 1 meter from the sample, how many counts per second would be observed when the detector is 2 meters from the sample?

    asked on April 29, 2013
  39. geometry

    The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangle ABC, you may take it as a given fact that the location

    asked on April 30, 2013
  40. stats math

    Suppose Ray makes 85% of his free throws. What is the probability that Jordan will make 2 free throws in a row?

    asked on November 26, 2012
  41. Physics

    The Hubble Space Telescope orbits the Earth at an approximate altitude of 612 km. Its mass is 11,100 kg and the mass of the Earth is 5.97×1024 kg. The Earth's average radius is 6.38×106 m. What is the magnitude of the gravitational force that the Earth

    asked on April 6, 2011
  42. Math

    The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.

    asked on May 21, 2013
  43. Physics

    The Hubble Space Telescope orbits the Earth at an approximate altitude of 612 km. Its mass is 11,100 kg and the mass of the Earth is 5.97×1024 kg. The Earth's average radius is 6.38×106 m. What is the magnitude of the gravitational force that the Earth

    asked on April 6, 2011
  44. Algebra II

    The sum of the reciprocals of two consecutive positive integers is 17/12. Write an equation that can be used to find the two integers. What are the integers?

    asked on May 25, 2016
  45. Math

    A child's. Dose for cefadroxil is 30mg/kg body weight once a day for 14 days.what is the smallest bottle that will provide. Enough medication to last 14 days. If child weighs 44 lbs.

    asked on May 15, 2016
  46. Chemistry

    calculate the percent composition, by mass, of carbon in Na2CO3. please explain how you get the answer.

    asked on January 2, 2011
  47. Math

    My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200

    asked on September 16, 2013
  48. English

    Hi, can someone please paraphrase the poem "Because I Could Not Stop For Death," by Emily Dickinson line by line? I really don't understand it! Thank you

    asked on December 8, 2008
  49. 4th grade math

    Find the mystery number. It is a 4 digit odd number. All the digits are different. None of the digits are 0 or 9. The tens digit is twice the ones digit, and the hundreds digit is twice the tens digit. The thousands digit is one less than the hundreds

    asked on September 19, 2012
  50. Math

    The temperature in Amarillo is 74 degrees and is increasing at a rate of 2 degrees per hour. In Houston, it is 68 degrees and increasing 4 degrees per hour. Write an inequality to find how long it will take for the temperature in Houston to exceed the

    asked on November 7, 2018
  51. TSU

    At the beginning of the year, Addison Company's assets are $254,000 and its equity is $190,500. During the year, assets increase $80,000 and liabilities increase $44,000. What is the equity at the end of the year?

    asked on January 17, 2014
  52. Physics

    A figure skater rotates about a vertical axis through her center with both arms and one leg extended. Her rotation rate is 0.65 rev/s. She then pulls her arms and leg closer to her body and begins to spin at a 1.85 rev/s. What is the ratio of her new

    asked on April 5, 2013
  53. Chemistry

    Calculte the Percent Yield if 104grams of CH3CO2CH2CH3 is produced by reaction of 111grams of CH3CO2H according to : CH3CO2H + CH3CH2OH = CH3CO2CH2CH3 + H20

    asked on May 7, 2011
  54. Business

    What is cultural diversity? Why do managers need cultural diversity? Is cultural diversity present in your organization (work, school, church, etc.)? How?

    asked on October 18, 2014
  55. Phyiscs

    An autographed baseball rolls off a 0.5m high desk and strikes the floor 0.4m away . How fast was the ball traveling when it hit ?

    asked on December 17, 2014
  56. Chemistry

    We did a lab to find the atomic mass of Magnesium. We used an eudiometer and HCL and a mg ribbon. Explain in terms of moles, limiting reactants and experimental feasibility, why we use concentrated HCl (12M) instead of 1M or 6M?? Would the calculated

    asked on June 25, 2012
  57. science

    what is mutaualism? how has it affected the existence of clown fish and sea anemone? I think mutualism is where two species live in an ecosystem where they interact with each other and one gains something from the other like a bug cleaning a animal and in

    asked on November 30, 2006
  58. physics

    The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a cheetah starts from rest and runs 50 m in a straight line, reaching a final speed of 89 km/h. (a) Determine the cheetah's average acceleration during the

    asked on November 21, 2019
  59. intermediate algebra

    A total of 26 bills are in a cash box. Some of the bills are one-dollar bills, and the rest are five-dollar bills. The total amount of cash in the box is $50. Find the number of each type of bill in the cash box.

    asked on September 27, 2007
  60. Math

    Two bus services A&B arrive at the station. service A arrives every 15 minutes, service B arrives every 20 minutes. The first bus arrives at 8 o'clock. When will both buses arrive at the station again?

    asked on September 21, 2016
  61. Physics

    One way to determine the distance to the moon is to bounce a laser beam off a mirror on its surface. How far away is the moon if it takes 2.56 seconds for the laser to "echo" off the moon?

    asked on April 2, 2013
  62. liberal arts math

    A population of 240 animals decreases at an annual rate of 10%. Find the multiplier for the rate of exponential decay.

    asked on September 8, 2016
  63. pre algebra

    a total of 400 tickets were sold for the school play, they were either adult tickets or student tickets. there were 50 fewer student tickets sold than adult tickets. how many adult tickets were sold

    asked on November 15, 2014
  64. Math

    Convert 3¾ % to a decimal.

    asked on May 18, 2013
  65. Math

    it takes Lucy 7 minues to cut a 20 yard by 1-yard roll of fabric into 14 equal pieces. How many minutes would it ake her to cut the fabric into 25 equal pieces?

    asked on February 12, 2012
  66. Chemistry

    Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up with 13.685g. but how do I make that into 250ml of a solution that is0.34M in sodium cation?

    asked on October 27, 2011
  67. Physics

    A force of 12.7 N pulls horizontally on a 1.4-kg block that slides on a rough, horizontal surface. This block is connected by a horizontal string to a second block of mass m2 = 2.32 kg on the same surface. The coefficient of kinetic friction is µk = 0.22

    asked on November 13, 2014
  68. phycis

    59. A simple lever is used to lift a heavy load. When a 60-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m. Show that the weight of the load is 360 N.

    asked on September 8, 2014
  69. Math

    A customer requests a loan advance of $300 with an annual interest rate of 22%. What is the dollar amount of the interest for the entire year

    asked on May 15, 2012
  70. Education

    How do adolescents' socialization experiences differ in urban and rural communities? How are such differences declining over time, and why?

    asked on January 18, 2012
  71. language arts

    is this sentence correct -- Andrew forgot his lunchbox at school everyday.

    asked on February 17, 2011
  72. algebra

    please translate “A student scored five points more on the second quiz than he did the first. He scored eleven points lower on the third quiz than he did the first. If the average of the three quiz scores is 70, what was his score on the first quiz?”

    asked on October 29, 2010
  73. Math

    Carter got the following scores on Science tests: 78,82,88,90,93. What is the mean deviation?

    asked on October 7, 2014
  74. math

    A car rents for $42 per day pluc 20cents per mile. you are on a daily budget of $98. What milage will allow you to stay within your budget?

    asked on March 5, 2014
  75. math

    On checking with 100 families, it was found that 25 families subscribe to Time, 30 to Newsweek, and 65 to neither magazine. How many subscribe to both?

    asked on November 15, 2013
  76. Chemistry

    A lead fishing weight cotains 0.12 mol of lead atoms. What is its mass?

    asked on October 10, 2016
  77. Math

    The Prevu Theater keeps a set of five counterweights to help stagehands move heavy props. The weights can balance exactly any load that is a multiple of 10 kg, from 10 kg up to a total of the five weights. Give the masses of weights which meet these

    asked on December 28, 2011
  78. Math

    Could someone help with this problem, I have tried numerous of times to solve it. Thank you. Achieve $225,500 at 8.55% compounded continuously for 8 years, 125 days.

    asked on February 19, 2015
  79. operating system

    a. What is the name and version number of the operating system? Windows XP Professional Service Pack 2 b. What kind of user-interface is used? window XP theme c. Can you see an indication that this operating system provides a job management function? If

    asked on October 19, 2008
  80. bio-technolgy

    how much MgCl2 would you use to make 200mL of a 100mM solution of MgCl2

    asked on October 11, 2011
  81. finance

    I am borrowing $10,000 for 5 years at 9%. payments, which are made on a monthly basis, are determined using the add-on method. 1. how much total interest will i have to pay on the loan if it is held for the full 5 year term. 2. what are my monthly

    asked on November 25, 2013
  82. Math

    A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving. By what percent is productivity increased by driving?

    asked on May 18, 2013
  83. physics

    Roger tosses a ball straight upward at v. Ignore air drag?

    asked on September 20, 2018
  84. trig

    If cscx=2 and x greater 90 degrees and x less than 180 degrees, then sin x/2 =

    asked on May 9, 2010
  85. child care managemen . resource file graded projec

    do you guys have the penn foster resource file graded project ? if you do , can you guys help me please ?

    asked on March 2, 2013
  86. algebra

    A car rental company has two rental rates. Rate 1 is $63 per day plus $0.18 per mile. Rate 2 is $126 per day plus $0.09 per mile. If you plan to rent for one week, how many miles would you need to drive to pay less by taking Rate 2?

    asked on October 28, 2010
  87. Statistics

    1. Use the following to answer questions: The table below presents the probability distribution for X = the number of email messages you will receive in the next 10 minutes. (9 pts) X 0 1 2 3 P(X) .35 .35 .25 .05 a. What is the probability that no emails

    asked on March 3, 2010
  88. Algebra

    The function g(t) = 2t represents the number of guitar lessons, g(t), you can compete in t months. How many guitar lessons can you complete in 7 months? Provide your conclusion as a complete sentence. thanks for help

    asked on May 30, 2016
  89. Chemistry

    On Mars, the gravitational acceleration (g) is equal to 3.7 m/s2. Imagine the experiment from our lab performed on Mars, using a distance of 68 m from the catapult to the bucket. What velocity would you need to launch the ball into the bucket?

    asked on April 13, 2016
  90. gcu

    Show that 9300 cal is required to change 15 g of 20° C water to 100° C steam.

    asked on September 14, 2014
  91. math

    Different Interest Rates. Mrs. Brighton invested $30,000 and received a total of $2300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate?

    asked on April 3, 2010
  92. Math

    Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences

    asked on March 15, 2013
  93. math

    june made a initial deposit of 4700 in an account assuming an interest rate of 12% compounded quarterly how much will the account be worth in 10 years

    asked on December 10, 2012
  94. math

    Jenny threw darts at the board and scored 100. How many darts did she throw,where did they land?40,39,24,17,16 you can use a number more than once!

    asked on September 22, 2011
  95. english

    Can you please tell me if the sentence in quotation marks is the topic sentence? I read paragraph one and paragraph three, I believe that paragraph one was a very effective paragraph. "It touches a few very interesting points about why someone should

    asked on August 2, 2011
  96. com/155

    Write five sentences in which you address changes in your writing.

    asked on November 18, 2010
  97. Statistics

    Use the Empirical Rule to find what two values 95% of the data will fall between for a data set with a mean of 294 and standard deviation of 13.

    asked on May 16, 2011
  98. business

    If you deposit $5000 in a savings account at 5.8% interest per year, how much will you have in 36 years? (Answer to the nearest dollar)

    asked on October 20, 2014
  99. statistics

    candidate #2 received 32% of the votes and candiate #3 received 14% of the votes, WITH a 6 % margin of error. what does this information tell us about the popularity of the candidates? 5

    asked on December 10, 2014
  100. science physic

    If a ball rolls down an inclined plane and picks up 4 m/s each second it rolls, its acceleration is

    asked on January 30, 2013


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