Most popular questions and responses by wanda
  1. IB Math SL

    The triangle ABC is defined by the following information. Vector OA = (2, -3), vector AB = (3, 4), AB and BC are perpendicular, and vector AC is parallel to (0, 1). Draw a diagram of triangle ABC. Write down the vector OC.

    asked on March 29, 2008
  2. Physics

    At the instant a race began, a 60-kg sprinter exerted a force of 669-N on the starting block at a 24 angle with respect to the ground. If this force was exerted for 0.44-s, with what speed (in m/s) did the sprinter leave the starting block?

    asked on September 17, 2017
  3. Math 209

    The width of a rectangular carpet is 7 meters shorter than the length, and the diagonal is 1 meter longer than the length. What are the carpet's dimensions?

    asked on August 3, 2011
  4. trig

    1. 3cot^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 4pi/3, 5pi/3 2. 4cos^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 5pi/3, 4pi/3 3. 2sin (x) + csc (x) = 0 My answer: unknown lol i got to the part: sin^2 (x) = -1/2 4. 4sin^3 (x) + 2sin^2 (x) - 2sin^2 (x) = 1

    asked on May 9, 2008
  5. Science

    Ethanol has a density of 0.789 grams per centimeter ubed. How many cubic centimeters of ethanol must be poured into a graduatedcylinder to equal 30.3 grams?

    asked on October 4, 2009
  6. math

    Jocelyn borrowed 3.75 kg of flour from her grandmother to bake 3 batches of cookies and 2 cakes. Each cookie recipe called for 225 grams of flour. Each cake recipe needed 1.2 kg of flour. After baking, how much flour was Jocelyn able to return to her

    asked on November 17, 2014
  7. Physics

    A 0.471-kg hockey puck, moving east with a speed of 8.17 m/s, has a head-on collision with a 0.795-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed of the 0.795-kg puck after the collision?

    asked on October 9, 2017
  8. Physics

    If a 1.0m crowbar is placed uner a 143 kg rock at a point 20.0cm from the end of the bar, what is the IMA of the crowbar?

    asked on March 18, 2013
  9. Physics

    What should be the spring constant k (in N/m) of a spring designed to bring a 1105-kg car to rest from a speed of 69-km/h so that the occupants undergo a maximum acceleration of 3.8g's?

    asked on September 26, 2017
  10. applied business math

    Thomas Rendell's company pays him a straight 7% commission with a $1,570 drawing account each month. If his sales last month totaled $142,280, how much commission is owed to Thomas?

    asked on October 24, 2016
  11. Math

    Ms. Taylor has a budget of $1500 to spend on a table and 6 chairs. The total price she spent was $249 under her budget. The table costs 3 times more than a chair. What was the price of the table?

    asked on October 29, 2013
  12. physics

    A block has a mass m=6.9-kg and lies on a fixed smooth frictionless plane tilted at an angle of 24.4 to the horizontal. Determine the acceleration (in m/s2)of the block as it slides down the plane.

    asked on September 16, 2017
  13. Physics

    A steel wire 2.7-mm in diameter stretches by 0.211 percent when a mass is suspended from it. How large is the mass in kg?

    asked on October 14, 2017
  14. math

    Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

    asked on March 17, 2014
  15. Physical Science

    A 2.9-kg pile of aluminum ( = 2.70 g/cm3) cans is melted, and then cooled into a solid cube. What is the volume of the cube? a. 931 cm3 b. 1074 cm3 c. 1365 cm3 d. 889 cm3 Thank you!

    asked on June 19, 2011
  16. Elementary Algebra

    The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?

    asked on August 5, 2012
  17. Physical Science

    A car of mass 900 kg moves at 10 m/s. What is the braking required to stop the car in a time of 5 seconds

    asked on May 5, 2013
  18. algebra

    asked on August 23, 2011
  19. math

    find the product of 5.2 x10^3and 6.5 x10^7

    asked on April 22, 2012
  20. college

    why would you use the Turkey-Kramer procedure

    asked on November 16, 2008
  21. acids and bases

    Is everything an acid or a base? it totally depends. It depends on how you define an acid and base. In water systems, yes. But in non water solutions...say oil mixed in gasoline....pH has no meaning. Why acids act in similar ways?

    asked on February 22, 2007
  22. calculus

    Find an equation of the tangent line to the graph at the given point. (The graph is called a Witch of Agnesi.) f(x)= 7 / x^2 + 3 (2,1)

    asked on September 24, 2017
  23. vocabulary

    denotative definition are also known as connotative,derect,inderect or none of the above definitions?

    asked on April 18, 2017
  24. business math

    Mike Drago took out a loan for $3,800 at the Gold Coast Bank for 280 days. If the bank uses the ordinary interest method, what rate of interest was charged if the amount of interest was $278? Round your answer to the nearest tenth of a percent.

    asked on November 7, 2016
  25. Bus. Math

    The Soft Step Floor Co. Purchases carpeting for $5.12 per square yard and marks it up 55% based on the selling price. What is the selling price per square yard? Round to the nearest cent

    asked on November 26, 2014
  26. Finance

    Explanation on how to work this problem. Claire has invested $10,000 in a 15 month CD that pays an annualized rate of 9.02% . How much interest will Claire receive at maturity?

    asked on September 20, 2014
  27. Math 208

    Grade Average A student scores 65 and 82 on two different 100-point tests. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 70?

    asked on February 11, 2012
  28. Topic on Florida

    My daughter is in fifth grade & she is required to do a five minute oral report on Oranges from Florida with props. Do you have any ideals?

    asked on April 10, 2011
  29. Science

    Which of the following procedures increases the average kinetic energy of the molecules in a beaker of water. 1. heating water from 0 degrees C to 100 degrees C. 2. Cooling steam at 100 degrees C to ice at 0 degrees C. 3. Changing ice at 0 degrees to

    asked on October 4, 2009
  30. MATH

    The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula: t=d over the square root of 16 If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, from what height was

    asked on August 15, 2011
  31. Business Math

    I completed a problem where there was a $7855.00 note at the bank that charges a 14.3 % discount rate. The loan is for 190 days. I found the proceeds to be $7268.31 and the effective rate charged by the bank to be 15.29 %. How do I determine how much money

    asked on April 13, 2010
  32. alegrebra

    . Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation:  a) What does the number 3.03 represent?

    asked on August 30, 2009
  33. Bus. Math

    What payment should be made on an invoice in the amount of $3400 dated August 7 if the terms of the sale are 3/15,2/30,n/45 and the bill is paid on August 19 and September 3

    asked on November 18, 2014
  34. Chemistry

    Please explain how to set this problem: A solution has a density of 1.73 g/ml. If it's weighs 4.3 ounces, what is the volume. ?

    asked on May 10, 2014
  35. college algebra

    2a^2-3a=20 solve for a

    asked on January 15, 2013
  36. Math 208

    Question number 5 is talking about a public four-year college. So we know this: 2000-$3,500 2001-$3,700 2002- ? 2003- ? 2004-? 2005-$5,100 Repeating exercise 1-4 it is talking about private four-year college. So we know this: 2000-$16,200 2001-$17,300

    asked on February 21, 2012
  37. business

    Consider the cultural differences inherent in global business as well as the geographic obstacles of home office and remote locations being in different countries

    asked on March 29, 2010
  38. IB Math SL

    Find a unit vector which is perpendicular to both of the vectors 4i + 2j - 3k and 2i - 3j + k.

    asked on March 2, 2008
  39. Microeconomics

    Choose an international company. what are the characteristics that make this company different from domestic companies

    asked on November 25, 2017
  40. college algebra

    solve for x -4/3x-1

    asked on January 15, 2013
  41. college algebra


    asked on January 15, 2013
  42. Intermediate Algebra

    A 6-foot man cast a shadow of 2.5ft. At the same time of the day, a tree cast a shadow of 25 ft. How tall is the tree?

    asked on December 2, 2012
  43. financial Matters

    I need help in understanding this question given by my instructor. I have posted this question to her, three days ago and not getting any response. Please help!! What is meant by short-term bank notes and how does it apply for permanent financing at

    asked on May 6, 2010
  44. science

    How many times has the United States been to the moon? It depends on what you mean "been" to the moon. Man and unmaned? Explorer probes? You can get an idea by counting the junk left behind.

    asked on October 29, 2006
  45. Human Relations

    Think of two or three informal groups that you are currently a part of or have been in the past

    asked on January 21, 2017
  46. Personal Finance

    Claire earned $9000 in a 15 month CD that pays an annual 8.67% . How much did Claire earn with this? Could you show me the steps to the answer

    asked on September 24, 2014
  47. Finance

    Sue how did you get the 0.05 % on my last question. And here is another problem. Claire is depositing $14,000 in a 24 month CD that pays an annualized rate of 3.85%. How much will Claire receive at maturity.

    asked on September 20, 2014
  48. chem

    the density of mercury is 13.5g/cc what volume of mermury would have a mass of 100g?

    asked on June 4, 2014
  49. math

    What is the process to list all numbers for which rational expression is undefined? Ex: y-3divided y+5

    asked on July 22, 2012
  50. Math

    Right Triangle one leg is 400ft. long. The hypotenuse of the triangle is 200ft. longer than the other leg. What is the dimensions of this triangle?

    asked on July 22, 2012
  51. Algebra 208

    Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was $16,200, and in 2005 it was $20,100. Sketch a line that passes through the points (2000, 16200) and (2005, 20100).

    asked on February 20, 2012
  52. statistics

    determine the probability that a sample of 49 boxes will have a mean weight below 365 grams. past records show that the population mean is 368 grams and the population standard deviation is 7. the probability will be between.

    asked on November 30, 2011
  53. Math 209

    If C dollars are deposited in an account paying r percent annual interest, approximate the amount in the account after x years if C=$150, r= 1.9% and x=25 years

    asked on August 15, 2011
  54. Math 209

    A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+_20__ n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

    asked on August 7, 2011
  55. college math

    how many grams of NaOH are needed to make a 30% w/w solution using deionized water as the solvent

    asked on November 28, 2010
  56. Com170

    Analyze why one paragraph was more effective than the other. In my analysis, compare the sentence structure, word choice, punctuation, variety, and the rhythm of both paragraphs. Most consumers understand that a good credit score is vital to one's

    asked on November 15, 2010
  57. financial Matters

    I need help in understanding this question given by my instructor. I have posted this question to her, three days ago and not getting any response. Please help!! What is meant by short-term bank notes and how does it apply for permanent financing at

    asked on May 6, 2010
  58. sociology

    How does the mass media play a role in socialization? Consider the last time you viewed a television show, a movie, listened to a radio broadcast, or read an article from a newspaper or journal. Who was the intended audience? What factors might determine

    asked on February 6, 2010
  59. 11th grade

    help with the story bernice bobs her hair

    asked on October 10, 2008
  60. Science

    How are the functions of a human cell different to the functions of a computer?

    asked on July 6, 2008
  61. trig

    3x - y = -4

    asked on April 14, 2008
  62. mechanics of commun

    can you please identify the verb, complete verb phrase, sentence pattern, the subject, indirect object, direct object, complement, infinitive or prepositional phrases or clauses for the sentence, "Ms. Georges and I submitted purchase requisitions."

    asked on September 21, 2014
  63. business law

    At issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that

    asked on January 24, 2013
  64. Intermediate Algebra

    solve for q: 1 = 1+ 1 __ __ __ f p q

    asked on December 2, 2012
  65. algebra

    how to graph point-plotting method this equation? x=y^2 + 2

    asked on September 17, 2012
  66. Elementary Algebra

    I need help setting this problem up? AT&T one rate 10cents nation wide direct plan for $2.99 a month plus 10cents per minute. Quest 5cent long distance plan for $4.99 per month plus 5cents per minute. For what number of minutes per month will the two plans

    asked on August 6, 2012
  67. Elementary Algebra

    How do you solve by elimination this linear equation? 8x-3y=-6, 5x+6y=75

    asked on August 6, 2012
  68. Physics

    A 2 kg mass hangs at rest from a spring that causes a displacement of 25cm. What is the spring constant, k, for this spring?

    asked on June 25, 2012
  69. human behavior at work

    both philosophy and visions are somewhat hazy concepts.How can they be made clear to employees?why are philosophy and vision included as early elements in the organizational behavior system?give an example of an organizational vision that you have read

    asked on March 25, 2012
  70. Math 208

    x=3y+2 Write the equation in slope–intercept form. (b) Give the slope and y-intercept of the line

    asked on February 21, 2012
  71. statistics

    minnie went to union high school while mickey went to southern high school. both schools have equally challenging classes, class size, grading policies, etc. the one difference is in their year end tests. the union high test is out of 100 points, whereas

    asked on December 1, 2011
  72. Math

    How much do I have to save monthly at a 3.5% interest compounded quarterly to get a final amount of $4000?

    asked on November 19, 2011
  73. Chemistry

    A certain classification test calls for 5 mL of 1.2 M NaOH. The only concentration of NaOH solution available is 3.0 M. Describe how you would make the quantity that you need of the 1.2 M NaOH solution.

    asked on November 8, 2011
  74. Chemistry

    Describe how you could make approximately 5 g of a 3% (w/w) ferrous ammonium sulfate solution

    asked on November 8, 2011
  75. statistics

    the average patient lasts 45 minutes on the tilt table. the current patient only lasted 15 minutes. if the standard deviation is 5 minutes. The Zscore that represents the current patients time of 15 minutes should be.

    asked on October 28, 2011
  76. Math 209

    A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+20 n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

    asked on August 11, 2011
  77. Math209

    A particular rat given n trials in a maze can run through the maze in t minutes, where t=6+20/n+2. How many trials are needed so that the rat can runthrough the maze in exactly eight minutes?

    asked on August 5, 2011
  78. Axia

    4. A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall (see figure). How long should the pieces of PVC

    asked on November 23, 2010
  79. Univesity of Phoenix

    With which of the motivation theories do you agree most? With which of the theories do you agree least? Explain your position.

    asked on October 24, 2010
  80. college

    why is the population shape a concern when estimating a mean

    asked on May 27, 2010
  81. science

    some insects get their nutrients by sticking a needlelike mouth part into a plant. which vessel do you believe they are tapping?

    asked on May 18, 2010
  82. Algebra


    asked on March 3, 2010
  83. Statistics

    The data set for our course is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: DataSet with DataSet Key which contains the following nine sections of data that will be used

    asked on August 28, 2009
  84. financail accounting

    Palomar Paper Products purchased land in 1990 for $15,000 cash. The company has held the land since that time. In 2008 Palomar purchased another tract of land for $15,000 cash. Assume that prices in general increases by 60 percent from 1990 to 2008. a.

    asked on August 7, 2009
  85. fiancial accounting

    Palomar Paper Products purchased land in 1990 for $15,000 cash. The company has held the land since that time. In 2008 Palomar purchased another tract of land for $15,000 cash. Assume that prices in general increases by 60 percent from 1990 to 2008. a.

    asked on August 5, 2009
  86. math

    W decreased by 7

    asked on December 8, 2015
  87. math

    Select the expression that represents the statement "27 more than a number

    asked on October 2, 2014
  88. Finance

    Paul's credit card closes on the 14th of the month and his payment is due on the 25th . If he purchases a $300 stereo on the 18th , how many interest days will he have? I need the answer and how you answered it? Thank you so much!

    asked on September 24, 2014
  89. Finance

    How do you figure out these kind of problems. Lisa is depositing $2700 in a 6 month CD that pays 3.71% interest. How much will she accrue if she holds the CD till maturity?

    asked on September 20, 2014
  90. Computers

    What is the name of a personal digital assistant in apples smart phone

    asked on June 22, 2014
  91. algbra

    perform the given set operation. let u={1,2,3,4,5,6,7,8,9,10} {x[xis a multiple of 2}u {x is the multiple of 3}

    asked on April 10, 2014
  92. Stats

    The probability of a child getting coal in their stocking is 0.2. If Santa visits 3 kids on Christmas day a) what is the probability of 2 children getting coal? b) 1 or fewer children receiving coal? Please help me - my brain is fried!

    asked on December 4, 2013
  93. math

    is 17 - 6 >= 9 equivalent to 9

    asked on May 9, 2013
  94. Physical Science

    if a blue object is placed in front of the screen, what color will it be? explain the answer.

    asked on May 5, 2013
  95. Intermediate Algebra

    The speed of a boat in still water is 29mph. if the boat travels 140mph downstream in the same time that it takes to travel 92miles upstream, find the speed of the stream.

    asked on December 2, 2012
  96. Intermediate Algebra

    i^59 and 4 ____ 3+5i

    asked on December 2, 2012
  97. Intermediate Algebra

    x+8 X+5 __________ _ ___________ X^2-10x+21 x^2-3x-28 Subtract, then reduce if possible

    asked on November 10, 2012
  98. Arts & Design

    What is Veriety

    asked on September 17, 2012
  99. Elementary Algebra

    Can you help me solve this problem by elimination? 4x-2y=16 5x+7y=1

    asked on August 8, 2012
  100. Elementary Algebra

    How do I figure out whether or not (-1,-2) is a solution for the system. y=3x-1 2x+y=4

    asked on August 7, 2012


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