Popular questions and responses by Judy
  1. Physics

    A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40 kg girl on skates. Assuming they cling together after the collision, what is their speed?How much kinetic energy was lost in the collision?

    asked on February 21, 2012
  2. Math

    Determine the largest possible integer n such that 942! is divisible by 15n.

    asked on May 17, 2014
  3. statistics

    The height of an adult male is known to be normally distributed with a mean of 69 inches and a standard deviation of 2.5 inches. The height of the doorway is 74 inches. What proportion of adult males will not fit under the door?

    asked on February 9, 2014
  4. chemistry

    for a homework problem it says to build both the high spin and low spin complex ion and it gives me spin of Fe (ox)3 3- low high I don't understand what high spin and low spin is and I don't know what Fe (ox)3 3- is suppose to be

    asked on June 30, 2010
  5. Just trying to find the correct size for a project

    If isosceles angles are 45, 67.5 and 67.5 with a height of 5.25" what is the length of the base?

    asked on June 2, 2017
  6. Corporate Finance

    Bond price: Briar Corp is issuing a 10-year bond with a coupon rate of 7 percent. The interest rate for similar bonds is currently 9 percent. Assuming annual payments, what is the present value of the bond? (Round to the nearest dollar.) $990 $872 $1,066

    asked on April 11, 2014
  7. statistics

    Assume that thermometer readings are normally distributed with a mean of 0.0 and a standard deviation of 1,00. the thermometer is randomly selected and tested. For the case below, draw a sketch , and find the probability of the reading The given values in

    asked on November 22, 2013
  8. Science

    Which of the following is an accurate statement of an acceleration value, translated from symbols into words? A. 3 meters per second B. 3 meters per second squared C. 3 square meters per second D. 3 meters in 3 seconds

    asked on April 27, 2010
  9. buisness

    Read about Wanda’s complaint to the FDIC. What action did the regulator most likely take in this case? The FDIC found out that a company misreported information to a credit scoring company about Wanda. Wanda contacted the company and asked them to fix

    asked on April 25, 2017
  10. Psychology

    Sternberg's concept of practical intelligence is most directly related to

    asked on July 1, 2019
  11. buisness

    Which sentences highlight a unilateral contract? a. Monique goes to a supermarket and picks up a shampoo. She then goes to the counter and pays for the shampoo. b. John offers a ride back home to Jack in exchange for his favorite music DVD for a day. Jack

    asked on April 24, 2017
  12. math

    how many edges , vertices and faces does a cylinder have? some say 0 edges,0 vertices, and 2 faces but others say 3 faces, 2 edges and 0 vertices. Which is it? thank you.

    asked on May 14, 2015
  13. physics

    a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?

    asked on February 2, 2014
  14. math

    bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?

    asked on October 14, 2011
  15. math

    List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

    asked on July 14, 2011
  16. Chemistry

    You and another student were each given an unknown compound. Both samples contained colorless material. You each used the same brand of commercially prepared TLC plate and developed the plates using the same solvent. Each of you obtained a single spot of

    asked on February 2, 2010

    And if a length of a rectangle is 3 more than twice the width and the are is 90 cm squared than what are the dimensions of the rectangle? The width of the rectangle is 43.5 and the length of the rectangle is 87. All together when you add it up it will make

    asked on January 23, 2007
  18. statisic

    The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are allowed into the program. Is this difference significant?

    asked on June 2, 2015
  19. college Chemisrty

    at what kelvin temperature will 25.2 of xe occupy a volume of 645 L at pressure of 732 torr?

    asked on May 13, 2013
  20. math

    jenna lives 4 3/10 miles from school. She estimates that she travels 4x2x5 or 40 miles each week. Is her estimate an overestimate or an underestimate? explain.

    asked on February 12, 2013
  21. statistics

    A new restaurant with 123 seats is being planned. Studies show that 63% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?

    asked on November 13, 2011
  22. Physics

    A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/hour. The kayak's velocity is 3 km/hour. What is the magnitude of the kayak's velocity relative to the river bank?

    asked on September 18, 2011
  23. Chemistry

    If 48.1 g of solid Al2S3 and 6.68 mL of liquid H2O are reacted stoichiometrically according to the balanced equation, how many grams of solid Al2S3 remain? Al2S3(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2S(g) I found that the limiting reagent, .6406mol of Al2S3

    asked on June 4, 2010
  24. Math

    Growth of Plant Sample A Time (days) Height (in.) 1 6 2 12 3 18 4 24 5 30 Growth of Plant Sample B Time (days) Height (in.) 1 2 2 5 3 10 4 17 5 26 Compare the data for the growth of two plant samples. How can you determine which data set is linear? A)

    asked on March 27, 2018
  25. buisness

    Martha realizes that the microwave she bought is faulty after a month of purchase. The manufacturer of the microwave asks Martha to pay the repair expenses as the fault was with a part that was out of warranty. Martha was unaware of this warranty

    asked on April 25, 2017
  26. calculus

    Melissa wants to make a rectangular box with a square base and cover its top and bottom faces with velvet, which will cost her $3 per square inch, and the sides with silk, which will cost her $5 per square inch. The box should have a volume of 1600 cubic

    asked on January 22, 2017
  27. Algebra

    The difference between two numbers is 13. When the greater number is divided by the smaller, the quotient is 2 and the reminder is 5. What are the numbers?

    asked on December 23, 2016
  28. Chemistry

    How man kilojoules of energy are needed to vaporize a 28.6g sample of liquid benzene at its normal boiling point of 80C?

    asked on November 12, 2015
  29. Biology

    a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar. I know that the water in the cell is the high concentration and will go to the sugar water which is the low concentration. b.

    asked on October 5, 2015
  30. accounting

    If preferred dividends are limited to the stated rate of dividend, the preferred stock is: A. noncumulative B. Cumulative C. participating D. Nonparticipating

    asked on December 2, 2014
  31. Math

    Proportion - If a 30-foot tree cast an 18-foot shadow, find the length of the shadow cast by a 24-foot tree.

    asked on September 10, 2014
  32. Chemistry

    Need type of reaction and balance of (NH4)2S+CuSO4=

    asked on April 22, 2013
  33. math

    2/3 x 5/6 x 14 =

    asked on February 11, 2013
  34. physics

    A jogger jogs around a circular track with a diameter of 130 meters in 27 minutes. What is the distance around the track?

    asked on October 23, 2011
  35. chemistry

    In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water, the oxidizing agent is is it Fe?

    asked on June 28, 2010
  36. chemistry

    The reaction of aqueous iron(III) bromide and aqueous lithium phosphate is represented by the balanced ionic equation. Fe3+(aq) + 3Br-(aq) + 3Li+(aq) + PO43-(aq) → FePO4(s) + 3Li+(aq) + 3Br-(aq) Give the balanced formula equation for the reaction.

    asked on June 4, 2010
  37. chemistry

    Enter the formula and state of the major species that result when a few grams (about 0.01 mol) of each substance is added to 100 mL of water. When appropriate use water to form species such as the hydronium ion. Separate multiple species by commas. sulfur

    asked on June 4, 2010
  38. chemistry

    Enter the formula and state of the major species that result when a few grams (about 0.01 mol) of each substance is added to 100 mL of water. When appropriate use water to form species such as the hydronium ion. Separate multiple species by commas. sulfur

    asked on June 4, 2010
  39. STATS

    Consider the following information: Season Sales(units) Summer Autumn Winter Spring Christmas 98 114 123 105 Holidays 110 110 110 110 The expected frequency for cell winter/holidays (e13) is equal to (1) 104.0 (2) 112.0 (3) 110.0 (4) 116.5 (5) 107.5

    asked on March 31, 2010
  40. Cash flow statement

    In a statement of cash flows, the cash flows from investing activities section should report a.the issuance of common stock in exchange for a factory building. b.stock dividends received. c.a major repair to machinery charged to accumulated depreciation.

    asked on November 1, 2009
  41. Investing

    In a statement of cash flows, the cash flows from investing activities section should report a.the issuance of common stock in exchange for a factory building. b.stock dividends received. c.a major repair to machinery charged to accumulated depreciation.

    asked on November 1, 2009
  42. Algebra 1

    4n-2+7n=20 can you please tell me step by step how to do this

    asked on September 27, 2007
  43. Algebra

    Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224 m squared, find the length of the other base. The height dimension h is measure perpendicular to the to parallel "base" sides, a and

    asked on March 13, 2007
  44. Math

    A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 teachers showed that 21 of them have a second job. D. A survey of 80 teachers showed that 32 of

    asked on March 27, 2018
  45. Math

    A teacher gives each of five students a box that contains 25 red balls, 25 blue balls, 25 green balls, and 25 purple balls. The students each picked a different number of balls out of their box and recorded their results in this table. What can you

    asked on March 26, 2018
  46. english

    the moon was a ball of green cheese. is this a simile or a metaphor?

    asked on January 11, 2018
  47. Math

    Lucy has to work 40.0 hours this week. She has worked a total of 32.8 hours. She reported to work at 7.55 am. What time will Lucy get off today?

    asked on October 13, 2017
  48. Math

    $24,000X0.04X30years (deposit of $24,000 and compound interest monthly of 4% for 30 years ?

    asked on April 23, 2017
  49. Math

    Solve 24,000X0.04X30years=

    asked on April 23, 2017
  50. Math

    Barbara is tiling her craft room with square tiles. She wants 6/10 of the square tiles to be red. If she used 18 red tiles, how many square tiles will be used to cover the floor . Draw an area model to help solve

    asked on February 27, 2017
  51. math

    Simon owns a small car wash and detailing center. He charges $12 per wash. He pays each of his two employees $12 per hour. The employees each work 40 hours per week. Simon's other costs amount to $450 per week. Simon wants to earn an average profit of at

    asked on February 8, 2017
  52. chemistry

    How to balanced chemical equation and identify the type of reaction for solid ammonium nitrate decomposes into dinitrogen monoxide gas and water

    asked on February 1, 2017
  53. calculus

    The mechanics at lincoln automotive are reboring a 6-in. deep cylinder to fit a new piston. The machine they are using increases the cylinder's radius 0.02 inches each second. How rapidly is the cylinder volume increasing when the bore (diameter) is 3.8

    asked on January 22, 2017
  54. english

    During halftime at the local high school, Felipe noticed a cheerleader crying, the coach yelling, and the fans emptying the stands. need to make sure this is the correct puntuatuiom

    asked on January 19, 2017
  55. Science

    I need to unscramble these letters to make a phrase rorpsggnloadeeasi

    asked on October 6, 2016
  56. Chemistry

    Is the flame coloration a test for the metal or for the acid radical?

    asked on September 25, 2016
  57. statistics

    The weekly study times for all students in a school are normally distributed with μ = 18 hours and σ = 6 hours. If 36 students are randomly selected, find the probability that their mean study time is greater than 20 hours. My work:

    asked on September 15, 2016
  58. life orientation

    ways that the human rights violations influences individuals,groups and south african broader

    asked on April 24, 2016
  59. English

    What doors are open to you that may not have been open to generations before us,and why might it be difficult to face these doors

    asked on January 24, 2016
  60. math

    A rounded number for the speed of an insect is 5.67 per second. What are the fastest and slowest speeds to the thousandths that could round to 5.67 meters per second?

    asked on December 6, 2015
  61. Biology

    There are at least 4 different ways that humans have genetic variation, a. Using one of these four ideas explain why you do not look like another person in this room. b. To continue further with this thought use another one of the genetic variation ideas

    asked on October 29, 2015
  62. Algebra

    A mother takes 48 minutes to mow the lawn when she works alone using a gas mower. Her daughter takes three times as long using a reel mower. How long would it take them to mow the lawn together?

    asked on October 20, 2015
  63. Algebra 2

    Can this expression be factored? 4x^2+9 My homework assignment says to factor completely and this is one of the problems but I don't think this expression can be factored. Am I wrong? If so how do I factor it.

    asked on October 2, 2015
  64. f5 math

    Mr. Chan buys some flour with $80. The price of flour is $x per kg. If the price is increased by $2 per kg, he will buy 2 kg less than with $80. Find the value of x.

    asked on September 25, 2015
  65. Chemistry

    You make a solution using a solute (5g) in water (total volume 100ml). The molar mass of the solute is 110 g/mol. What is the molarity? What is the concentration reported as % by mass?

    asked on September 23, 2015
  66. algebra

    what is the absolute value of -(33)

    asked on August 19, 2015
  67. Math

    Find the simple Interest; Principle $ 300 Rate 6.5% Time 1/2 year

    asked on August 9, 2015
  68. Accounting

    If a hotel rents a room for $2500. and there is an advance payment of $500, how is this posted in the city ledger

    asked on July 9, 2015
  69. Advanced Pharmacology

    You provide the manufacturer’s recommended dose of an antibiotic, which is 10mg/kg IV for a 100kg patient. You then draw a level 30 minutes after the dose. Assume rapid distribution and neglible clearance/metabolism over the 30minute period between the

    asked on June 11, 2015
  70. Math

    Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself $900 every month for the next 25 years? math - Reiny, Friday, April 3, 2015 at 3:05pm Present Value

    asked on April 3, 2015
  71. math

    Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself $900 every month for the next 25 years?

    asked on April 3, 2015
  72. Statistics

    If a committee of 4 students is selected from a class of 16 students, how many ways can this be done?

    asked on November 23, 2014
  73. Physics

    Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.40 m/s, while the speed of the current is 2.2 m/s. If it takes the swimmer 200 s to cross the river, how wide is the river

    asked on September 25, 2014
  74. Math

    A club has three different committees each of which needs a chairperson. How many ways can the chair people be selected if only 10 people are eligible for these positions, and no one can chair more than two of the committees

    asked on June 6, 2014
  75. Math

    Each digit of a four-digit PIN can be any number from 0 to 9. What is the percentage of PINs with no digit repeated more than twice?

    asked on June 6, 2014
  76. History

    what was true of the secretary of state William henry seward

    asked on May 22, 2014
  77. Math

    What does it mean instead of at the top, the power is at the bottum Like instead of 2^4 The 4 is wrote smaller and below and beside the 2

    asked on May 17, 2014
  78. Math

    Rationalize the denominator and write your answer in lowest terms (2 √ 6 + √ 3)/ ( √ 6- √ 3)

    asked on May 17, 2014
  79. Math

    If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?

    asked on May 9, 2014
  80. Math

    In a circle whose radius is 13 cm, a central angle intercepts an arc that measures 65o. What is the arc length? Round your answer to the nearest hundredth of a centimeter.

    asked on May 9, 2014
  81. Math

    The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?

    asked on May 9, 2014
  82. math

    a right triangle has a hypotenuse that is 59 miles long. One side is 1.05 longer than the other. What are the lengths of the two legs

    asked on March 27, 2014
  83. chemistry

    A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

    asked on February 14, 2014
  84. english

    What is a good thesis statement according to the disagreement of gay marriage?

    asked on January 29, 2014
  85. algebra

    need help with this problem. -(2x-(5x+2)-2+(2x+7)

    asked on January 14, 2014
  86. math 4th grade

    I have to follow the pattern .125, .25, .375, .5 ?

    asked on September 6, 2013
  87. math

    What percent of the first 50 positive integers contain no odd digits?

    asked on August 20, 2013
  88. college Chemistry

    What would you expect to be the chemical names of the main gases that were dissolved in the tap water?

    asked on May 5, 2013
  89. college Chemistry

    Conductivity test, what controls the brightness of the light? (hint: think about your tapwater abd NaCl results and why they were different)

    asked on May 5, 2013
  90. Chemistry

    one morning you are given 3 test tubes of aqueous solutions of compound X: the "A" tube was set up as unsaturated, while "B" was set up as Saturated in a beaker, then poured of into the tube, and "C" was carefully set up as supersaturated. At lunchtime,

    asked on May 5, 2013
  91. College Chem

    charles law: 7.89 l sample of gas had pressure of 850 torr. what volume will it occupy if the pressure is changed to 457 torr? (torr is a measurement of pressure. 760 torr = 1 atmosphere

    asked on April 22, 2013
  92. Chemistry


    asked on April 22, 2013
  93. math

    5 3/4 + 6 2/4 = 11 10/8 not sure what do from here?

    asked on February 12, 2013
  94. math

    3 7/9 x 6 2/5= I have to estimate?

    asked on February 12, 2013
  95. Math

    5 3/4 + 6 2/4 = I need to show my work

    asked on February 12, 2013
  96. Accounting

    which of the following is true: cash flow data is superior to earnings under the accrual basis in predicting long-term performance of an entity, earnings under the accrual basis is superior to cash flow data in predicting short-term performace of an

    asked on December 11, 2012
  97. human services

    Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing.

    asked on October 23, 2012
  98. Financial

    assume a $1000 face value bond has a coupon rate of 8.5 percent pay interest semi-annually, ahd has an eight-year life. if investors are willingto accept a 10.25 percent rate of return on bonds of similar quality, what is the present value or worth of this

    asked on September 16, 2012
  99. 11

    How do I work this problem? Flying with the wind, an airplane can travel 1080 miles in six hours, but against the wind, it goes 360 miles in half the time. Find the air speed and wind speed

    asked on December 5, 2011
  100. math

    sue can swim 460 meters in 20 minutes. If she doubles her speed,how many meters will she swim in 7 minutes?

    asked on April 20, 2011


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