Popular questions and responses by shirley
  1. math

    A 19 ​-foot ladder is placed against a vertical wall of a​ building, with the bottom of the ladder standing on level ground 13 feet from the base of the building. How high up the wall does the ladder​ reach?

    asked on November 15, 2016
  2. Payroll Accounting

    Julie Whiteweiler made $930 this week. Only social security (fully taxable) and federal income taxes attach to her pay. Whiteweiler contributes $100 each week to her company's 401(k) plan and has $25 put into her health savings account (nonqualified) each

    asked on March 20, 2014
  3. Chem Help - Thank you!

    Explain the following: 1) Ethylene, C2H4 is a planar molecule, but hydrazine, N2H4, is not 2) ICl2- is linear, but NH2- is bent 3) Of the compounds mercury(II) cyanate, Hg(OCN)2 and mercury(II) fulminate, Hg(CNO)2, one is highly explosive, the other is

    asked on September 5, 2016
  4. bussiness math

    Find the net date for an invoice dated August 7, with terms 4/20, 50 Extra. (Points : 2)

    asked on May 23, 2013
  5. Math

    Two towns A and B are to get their water supply from the same pumping station to be located on the bank of a straight river that is 15 km from town A and 10 km from town B. If the points on the river nearest to A and B are 20 km apart and A and B are on

    asked on July 22, 2015
  6. algebra

    A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies. A 2 cups B 8 cups c 8..5 cups D 12 cups. Is it 8 cups of sugar?

    asked on November 9, 2015
  7. Physics

    We hear people talk of "ultraviolet light" and "infrared light." Why are these terms misleading? Why are we less likely to hear people talk of "radio light" and "X-ray light"?

    asked on February 22, 2008
  8. Algebra

    A truck can be rented from Company A for ​$70 a day plus ​$0.40 per mile. Company B charges ​$30 a day plus ​$0.80 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Company A a better deal than

    asked on September 11, 2016
  9. college chemistry

    If you start with 1.200 g of BaCl2 X(multiplied) 2H20 and heat if for 4-8 min, what will be the mass of the water removed?

    asked on September 15, 2009
  10. Chem

    2H2(g)+O2(g) ---> 2H2O(l) delta H= -572kJ/mole of O2 Calculate the amount of heat evolved when 10g of hydrogen are burned in excess oxygen.

    asked on July 15, 2012
  11. programming

    Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be

    asked on April 16, 2013
  12. geography

    examine the sphere of influence of an organisation that renders service in your area, clinic and locsl high school

    asked on July 6, 2015
  13. university of phoenix

    4.Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z

    asked on November 29, 2011
  14. Chemistry

    What is the molecular weight of a gas if a 21.0g sample has a pressure of 836mm Hg at 25.0 degrees C in a 2.00L flash?

    asked on December 7, 2010
  15. science

    A weather balloon carries instruments that measure temperature, pressure, and humidity as it rises through the atmosphere. Suppose such a balloon has a volume of 1.2 m^3 at sea level where the pressure is 1 atm and the temperature is 20°C. When the

    asked on November 19, 2011
  16. physics

    an airplane has a takeoff speed of 80 meters per second which it reaches 35 seconds after starting from rest. What is the minimum length of the runway?

    asked on September 29, 2009
  17. Physics

    If you fire a bullet through a tree, it will slow down inside the tree and emerge at a speed that is less than the speed at which it entered. Does light, then, similarly slow down when it passes through glass and also emerge at a lower speed? Defend your

    asked on February 22, 2008
  18. nonfiction

    What does seattle say about integrating white and native american cultures?

    asked on November 18, 2010
  19. Physics grade 11 HELP

    A cannon fires a projectile at 75 m/s at an angle of 56.7 above the horizontal. How high does the projectile get off the ground?

    asked on May 29, 2016
  20. Physics

    A helium-neon laser emits light of wavelength 633 nanometers(nm). Light from an argon laser has a wavelength of 515 nm. Which laser emits the higher-frequency light?

    asked on February 22, 2008
  21. physics

    The nucleus of a copper atom contains 29 protons and has a radius of 4.8*10^-15m. How much work (in electron volts) is done by the electric force as a proton is brought from infinity, where it is at rest, to the "surface" of a copper nucleus? I really got

    asked on May 7, 2008
  22. geometry

    A cube with edges inch long is shown below. What is the length, in inches, of a diagonal that runs from one corner of the cube to the opposite corner?

    asked on January 31, 2012
  23. SCHistory

    What action did Governor Richard Manning NOT take to prepare South Carolina for war? A. He secured military training facilities. B. He encouraged residents to purchase Liberty Bonds. C. He improved transportation and communication facilities.****** D. He

    asked on April 12, 2016
  24. Chem

    2H2(g)+O2(g) ---> 2H2O(l) delta H= -572kJ/mole of O2 Calculate the amount of heat evolved when 10g of hydrogen are burned in excess oxygen. Can someone please explain step by step? =D

    asked on July 15, 2012
  25. Algebra

    A 5x7 photo us enlarged so that it's new dimensions are 10x14. How does the area of the enlarged photo compare to the area original photo?

    asked on March 2, 2014
  26. algebra

    Austin and Kaitlyn Kojan invested $195,000 in a business venture. If Kaitlyn invested 2 ¼ times as much as Austin invested, how much money did Kaitlyn invest? (Points : 2)

    asked on May 4, 2013
  27. Physics

    An object located 18 cm from a convex mirror prodeucses a virtual image 9 cm from the mirror. What is the magnification of the image?

    asked on March 27, 2012
  28. statistics

    5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

    asked on November 29, 2011
  29. math

    Find the area and perimeter of a rectangle for which (– 2, 2), (7,2), and (7, – 3) are three of the vertices. What is the 4th vertex?

    asked on January 16, 2012
  30. Algebra

    Can someone check my answers? 1. Write the equation of the line that passes through point (–2, 3) with a slope of –4. Answer: y = -4x - 5 2. Find the slope and y-intercept. x = –8 Answer: Slope: undefined; y-intercept: none 3. Write the equation of

    asked on December 2, 2007
  31. Finance for Mgrs

    a. Find the marginal tax rate for the following levels of corporate earnings before taxes: $11,000, $81,600, $304,000, $496,000, $1,300,000, $9/3 million, and $20.4 million b. B. Plot the average tax rates (measured on the y axis) against the pretax income

    asked on October 25, 2014
  32. math

    a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies? 1 1/2 divided by 50 and I looked at a measuring and came up with 2 1/4 but don't know how to show how I got that

    asked on September 24, 2014
  33. Intermediate Algebra

    A garden has an area of 286ft^2. It's length is 9ft more than its width. What are the dimensions of the garden?

    asked on September 8, 2016
  34. algebra

    A recent study shows that the number of Australian homes with a computer doubles every 8 months. Assuming that the number is increasing continuously, at approximately what monthly rate must the number of Australian computer owners be increasing for this to

    asked on January 25, 2012
  35. Science

    What would happen if ozone were to disappear from the upper atmosphere? From the lower atmosphere? Would we die if it disappeared completely?

    asked on October 29, 2011
  36. math

    several freshmen tried out for the school track team. after round 1, 1/2 of the freshmen were eliminated. After round 2, 1/3 of those remaining were eliminated. After round 3, 1/4 of those remaining were eliminated. After round 4, 1/5 of those remaining

    asked on February 22, 2013
  37. Chemistry

    if 1.7L of a saturated solution of AgC2H2O2 is found to contain 14.1g of AgC2H3O2. What is the Ksp of AgC2H3O2?

    asked on July 29, 2016
  38. Science

    What is the difference between the focus of an earthquake and its epicenter?

    asked on November 14, 2011
  39. Physical science

    The brakes of a car are applied to give it an acceleration of -3m/s^2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?

    asked on November 27, 2011
  40. 7th grade

    why was the bill of rights added to the constitution

    asked on March 31, 2010
  41. equation word problem

    A Cold Stone Creamery ice cream shop sells sundaes for $3.60 and banana splits for $4.25. The shop sells four times as many sundaes as banana splits. If total sales amounted to $3,730 last weekend, how many banana splits were sold? (Points : 2)

    asked on May 2, 2013
  42. physics

    During a thunderstorm, the separation between the clouds and the earth acts as a giant capacitor with a capacitance of 2,500 µF (µ is the SI prefix for 10-6). If a tower is struck by a lightning bolt that releases 50 C of charge, how much energy is

    asked on April 11, 2013
  43. business

    I4-1: An inexperienced bookkeeper for the Soggy Ground Construction Company has prepared the following balance sheet. Soggy Ground Construction CompanyBalance SheetFor the Year Ended December 31, xxxx Current Assets Cash $149,500 Accounts receivable (net)

    asked on June 21, 2010

    Larry is a very aggressive four-year old child. He watches many television programs that contain violence. It's most likely that. A. He will become overactive, B. He will become depressede, C. his behavior won't change, D. His behavior will become more

    asked on October 8, 2012
  45. maths,life sciences,economics and CAT

    What careers are available for these subjects?

    asked on January 18, 2014
  46. math

    The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation of 0.4 ounces. a. what percentage of the boxes will weigh more than 16 ounces? b. what percentage of the boxes will weigh

    asked on April 13, 2011
  47. business english

    1.which of the following sentences is accurate in terms of the words it uses? a. there is alarge amount of people at the convention. b. we have to decide between the four options available to us. c.fewer people will attend the conference this year because

    asked on March 4, 2013
  48. Math

    A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

    asked on November 7, 2010


    asked on March 3, 2010
  50. chemistry

    WOuld you expect each of the following atoms to gain or lose electrons when forming ions? What ion is most likely in each case? a. Na b. Sr c. P d. Ba

    asked on September 7, 2009
  51. science

    Where do subduction zones occur? What happens at them? What becomes of a subducted plate edge?

    asked on November 18, 2011
  52. geometry

    Basic Geometry 1. Find the perimeter of a rectangle 19 cm long by 27.8 cm wide. 2. In triangle ABC, angle A = 47°, and angle B = 8°. Find angle C. 3. Find the perimeter of a triangle with sides of length 28 cm, 47 cm and 19 cm. 4. In triangle FGH, angle

    asked on March 1, 2011
  53. statistics

    The Phillies were accused of cheating their beer customers by not putting enough beer in their 12 oz. cups. When 15 cups were selected at random, they were found to have mean of

    asked on December 7, 2010
  54. Physics

    Your friend says that any radio wave travels faster than any sound wave. Do you agree or disagree, and why?

    asked on February 22, 2008
  55. physics

    A car starts from rest and travels for 4.1 s with a uniform deceleration of 2.1 m/s2. What is the final velocity of the car? Answer in units of m/s

    asked on September 20, 2012
  56. finance

    The target capital structure for QM industries is 39% common stock, 9% preferred stock and 52% debt. If the cost of common equity for the firm is 18.8%, the cost of preferred stock is 9.7%, the before tax cost of debt is 8.6%, and the firm 's tax rate is

    asked on February 10, 2012
  57. Business (Legal Environment of Business)

    Edward received unsolicited faxes from Direct Access in violation of the Federal Telephone Consumee Protection, Act, which makes it illegal to send unsolicited faxes. Edwards, a Nevada resident, sued Direct, not a Nevada resident, in state court in Nevada

    asked on January 29, 2012
  58. algebra

    a rental truck costs $50 plus $0.40 per mile show me how to complete the table x(miles) 30 40 50 60 need help with y(cost)

    asked on October 15, 2017
  59. Please Help

    Suppose an insurance agent offers you a policy that will provide you with a yearly income of $230,000 in 20 years. What is the comparable annual salary today, assuming an inflation rate of 3%?. (Round your answer to the nearest cent.)

    asked on May 28, 2012
  60. math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9

    asked on February 5, 2012
  61. math

    Graph the equation by completing the table and plotting the points. You may use Excel or another web-based graphing utility. a) y = 3x - x2 Use the values of x provided in the table to find the y values. Show your work.

    asked on September 17, 2011
  62. Algebra

    r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 -0.185/-0.075 This is as far as I can get - now how do you solve for t?

    asked on February 6, 2011
  63. economic

    If the Government fixes the price of this product at $2 explain what would happen in the market. Draw a supply and demand curve for "this" product. Is the fixed price above or below the market equilibrium? Depending on how you answer, there should be a

    asked on October 15, 2006
  64. finanical accounting

    Assume that you are the president of Gaslight company. At the end of the year (December 31, 2011 of operation.

    asked on October 7, 2013
  65. algebra

    How do you find the relative maximum and minimum of a graph using a graphing calculator? Specifically, a Texas Instruments 82, if possible? Thanks! Plot the graph. Look at the graph, look the points of maxim (slope=0) and the min (slope=0). or

    asked on December 16, 2006
  66. Algebra

    Complete the rectangle to illustrate the product. (x+8)(x+7)

    asked on February 24, 2011
  67. math

    The perimeter of Sophias garden is 42 meters. the garden is 6 meters wide. What is the length of the garden?

    asked on January 11, 2016
  68. math

    Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price

    asked on October 24, 2014
  69. pre calculus

    find the following for the function f(x)=(x+3)^2(x-1)^2 a.) find the x and y intercept of the polynomial function f. b.)find the power function that the graph of f ressembles for large values of lxl. c.)determine the maximum number of turning pointsof the

    asked on April 29, 2013
  70. Algebra

    Suppose an insurance agent offers you a policy that will provide you with a yearly income of $230,000 in 20 years. What is the comparable annual salary today, assuming an inflation rate of 3%?. (Round your answer to the nearest cent.)

    asked on May 28, 2012
  71. life orientation

    Human rights violation or discrimination and explain in and introductory

    asked on April 17, 2016
  72. managerial accounting

    Equipment reported in the December 31, 2013, balance sheet was purchased in January 2013. It is being depreciated over eight years under the straight-line method with no salvage value. The following amounts for new equipment purchases are planned in the

    asked on October 19, 2014
  73. Math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5

    asked on February 5, 2012
  74. Physical Science

    How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?

    asked on December 4, 2011
  75. Physical Science

    (a) Why is the sun considered to be located in the central disk of our galaxy? (b) What is thought to occupy the center of the disk?

    asked on December 3, 2011
  76. science

    (a) at what times of year are the periods of daylight and darkness the same everywhere on the earth? What are these times called? (b) Where is the noon sun directly overhead at these times?

    asked on October 29, 2011
  77. science

    What have the compounds in each of these pairs in common? How could you distinguish one from the other? (a) CH3COOH and CH3OH? (b) C2H5OH and H2O?

    asked on October 29, 2011
  78. oop

    2. Write a program to let the user capture personal details : names, address, telephone, age, city, then display them. Use both “readline” and “showInputDialog” functions.

    asked on March 22, 2017
  79. Algebra

    Compare the future amounts (A) you would have if the money were invested at simple interest and if it were invested with annual compounding. $3,000 at 11% for 20 years (a) Calculate the future amount if the money were invested at simple interest. $ (b)

    asked on May 28, 2012
  80. algebra

    please bear with me. i'am 58 years old and decided i wanna get my high school on line. my question is. convert the base 10 numeral in the base indicate 504 to base 10, and can i work this problem. so that i can come up with the correct answer.

    asked on May 24, 2012
  81. math

    Semiannually deposits of $400 are made for 10 years into an annuity that pays 7% compounded semiannually

    asked on March 8, 2012
  82. science

    Compare the likelihood that an astronaut on Mars will be struck by meteoroid with its likelihood on earth.

    asked on November 19, 2011
  83. science

    An earthquake occurs far from an observing station and produces P, S, and surface waves. Do all the wave arrive at the same time? If not, which arrives first and which last?

    asked on November 14, 2011
  84. Science

    What kind of carbon-carbon bonds are found in alkane molecules? Is the answer Pentane

    asked on October 29, 2011
  85. algebra

    polynominal An appliance company sells x machines total revenue R in dollars, given by polynominal R=221.19x-0.2x^2. What is revenue from sale of 273 machines. I do not know what I am suppose to multiply first. Please help.

    asked on January 27, 2011
  86. algebra

    parallel, neither , or perpendicular 4x+3y=10 3x-4y=8

    asked on January 8, 2011
  87. chemistry

    The mass of initial magnesium metal used do not affect calculation of determining the empirical formula. Why? Explain in terms of chemical laws.

    asked on July 26, 2010
  88. Paralegal

    Why do paralegals need to know about computers and the different types of computer software packages to be a paralegal? What type of technology is vital in the law office setting?

    asked on October 8, 2008
  89. Paralegal

    In the case of Florida v. Enio Jimeno: a.What is the correct citation of the case? b.On what page does the court's decision begin? c.Is it proper to quote anything prior to this page? d.Which Justices(s)joined in that opinion? e.Which Justices(s) joined in

    asked on July 25, 2008
  90. Accounting

    The following stockholders' equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock ($10 stated value) $1,500,000 Paid-in Capital from Treasury Stock 6,000 Paid-in Capital in Excess of Stated

    asked on November 12, 2013
  91. physics

    why do x-ray technicians use lead aprons when they are exposed to x-rays while we are exposed to radio waves and are not protected

    asked on January 31, 2012
  92. Physical Science

    Which astronomical objects that appear as points of light to the unaided eye appear as disks with the help of a telescope?

    asked on December 3, 2011
  93. IT

    This week you are beginning your project. The development for this project will take place over length of the capstone course. Your instructor will work with the the students to select and approve each portion of the project development. You will work on

    asked on August 7, 2011
  94. programming

    in java code what are the differences between 2, 2.0, '2', "2", and "2.0"

    asked on February 10, 2010


    asked on December 5, 2009
  96. Math

    The following table gives the winning percentages of the top five coaches in NFL history,what fraction of his games has each coach won? Don Shula 0.676 George Halas 0.672 Tom Landry 0.606 Curly Lambeau 0.624 Paul Brown 0.667

    asked on December 16, 2008
  97. Math

    Joe was driving at a rate of 60 mph. As he approached a curve in the road, his speed was 51 mph. What was the % change in Joe's speed?

    asked on February 13, 2017
  98. Math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2

    asked on February 2, 2012
  99. math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + y = 10 x – y = 2

    asked on February 2, 2012
  100. math

    kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600 points and a standard deviation of 75 points. At a differenttime, kerry scored 540 points on the same section, for which scores

    asked on April 13, 2011


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