Most popular questions and responses by Dean
  1. SS

    Which of the following responsibilities are held by the federal government? Choose all that apply. (2 points) protecting national parks administering healthcare providing Social Security managing intercity traffic creating garbage collection services

    asked on October 5, 2016
  2. Geometry

    Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.

    asked on February 11, 2015
  3. Chemistry, Heat and Phase changes(general chem II)

    From the data below, calculate the total heat (in J) needed to convert 22.00 g of icea t -6.00 C to liquid water at 0.500 C. melting point at 1 atm: 0.0 C Hfusion: 6.02 KJ/mol cliquid: 4.21 J/g C csolid: 2.09 J / g C My answer is about 300 J short of the

    asked on September 3, 2016
  4. Biology

    Suggest why Ia and Ib alleles are dominant over Io allele. Why in IaIo genotype, the Io allele is masked

    asked on June 4, 2015
  5. History

    What was the significance of the Battle of Tannenberg in World War I? The defeat of British forces shifted the Allied war focus to defeating the Ottoman Empire. The attack on civilians by German war boats during the battle led to the United States entering

    asked on October 18, 2018
  6. Chemistry

    Potassium superoxide, KO2, is used for producing oxygen and removing carbon dioxide in selfcontained breathing units, space shuttles, and other enclosed spaces. First the potassium superoxide reacts with moisture to release oxygen and produce potassium

    asked on October 10, 2017
  7. Chem

    in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams of CaCl2

    asked on February 25, 2013
  8. Chemistry

    What is the electron configuration of the element with 27 protons?

    asked on May 24, 2018
  9. Chemistry

    A solution is prepared by dissolving 25.0 g of pure HC2H3O2 and 25.0 g of NaC2H3O2 in 700 mL of solution (the final volume). (a) What is the pH of the solution? (b) What would the pH of the solution be if 65.0 mL of 0.650 M NaOH were added? (c) What would

    asked on February 21, 2015
  10. Chemistry

    What is the electron configuration of the element with 27 protons? Is it 1s2 2s2 2p6 3s2 3p6 3d7 4s2 or is that wrong?

    asked on May 24, 2018
  11. Accounting

    E6-9 (a,b) Tiger Golf Accessories sells golf shoes, gloves, and a laser-guided range-finder that measures distance. Shown below are unit cost and sales data. Pairs of Shoes Pairs of Gloves Range Finder Unit sales price $100 $30 $250 Unit variable costs 60

    asked on April 30, 2012
  12. Biology

    You are given the following protein sequence: NH2-Met-Trp-Trp-Met-Trp-Met-COOH What was the sequence of the mRNA? You must write your answer 5' to 3' direction, starting with the first nucleotide of the mRNA and ending with the last nucleotide of the mRNA.

    asked on November 2, 2010
  13. Math

    $2,000 principal earning 3%, compounded annually, after 3 years.

    asked on October 21, 2016
  14. Pre-Algebra

    A 9 foot ladder leans against a building at a point 7 feet above the ground. At what height would a 15 foot ladder touch the building if both ladders for the same angle with the ground? Propotion? But I just get a decimal...

    asked on January 5, 2010
  15. science

    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 13, 2010
  16. Science

    Which choice most accurately explains what happens to the bonds between atoms when water changes to steam, and what becomes of the energy added during this phase change? A. When water changes to steam bonds between molecules break apart. After reaching the

    asked on April 2, 2019
  17. Human Physiology

    A subject with a body weight of 60 kg was injected with 10 ml of a 1% (w/v) solution of Evans Blue. After 10 min, the blood was sampled and found to contain 0.035 mg ml^-1 of the dye. What is the subject’s plasma volume in litres?

    asked on November 8, 2010
  18. Chemistry

    Explain why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter.

    asked on May 24, 2018
  19. Accounting

    Spencer Company manufactures and sells three products. Relevant per unit data concerning each product are given below. Product A B C Selling price $9 $12 $14 Variable costs and expenses $3 $9.50 $12 Machine hours to produce 2 1 2 Compute the contribution

    asked on April 30, 2012
  20. college

    Which of the following would NOT be considered discrimination? 1. Sue believes poor people are criminals. 2. Sue refuses to give Jane a ride to work because Jane is poor. 3. Jane, who is poor, vandalizes the cars of rich people who she believes are snobs.

    asked on February 5, 2009
  21. Algebra

    1. Tell whether x and y show direct variation. a. 5x - 3y = 0 b. x = y - 2 / 9 2. The variables x and y vary directly. Use the values to find the constant of proportionality and write an equation that relates x and y. a. y = 4; x = 6 b. y = 2; x = 10

    asked on May 6, 2015
  22. Chemistry

    Using the reaction below, calculate how many grams of bromine gas are necessary to produce 1.00mL of hydrogen bromide gas at STP. H`2 + Br`2 -> 2 HBr where `2 is a subscript two.

    asked on March 10, 2008
  23. Physics

    A tiny source emits sound uniformly in all directions. The intensity level ar a dist. Of 2m is 100dB. How much sound power is the soure emitting?

    asked on April 17, 2015
  24. Physics

    Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

    asked on February 18, 2015

    Discuss the three types of management styles that are reviewed in your course materials (Scientific Management, Human Relations Management, and Systems Management). * Which style do you believe would be the most effective to use in the criminal justice

    asked on February 8, 2011
  26. math

    Select all the expressions that are equivalent to 10w - 8 + 6 - 4w. 2(3w - 1) (6w + 3) + (2w - 7) 6w - 2 (11w - 1) - (5w + 3) 3w + 7 + 3w - 9 14w + 14 2(5w + 7)

    asked on September 7, 2017
  27. Math

    A company has factories located in New Jersey, Ohio, and Georgia where it manufactures handbags, shoes, and belts. How many days should the company operate each factory in order to exactly fill the order of 2150 handbags, 2300 shoes and 2500 belts? Use the

    asked on February 22, 2011
  28. sociology

    #1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C. Interactionist perspective D.

    asked on February 5, 2009
  29. statistics

    What sample size is required from a very large population to estimate a population proportion within 0.05 with 95% confidence? Don't assume any particular value for p. A. 271 B. 38 C. 385 D. 767

    asked on June 19, 2013
  30. calculus

    Evaluate integral from -2 to 3 of 4 lxldx

    asked on December 10, 2011
  31. Philosophy

    Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. building : blueprint (Points : 1) ship : sea cake : recipe bridge : island guitar : song

    asked on October 24, 2010
  32. sociology perspective

    Every four years in the United States there is a presidential election, and after the election, nearly half the population readily accepts the leadership of the person for whom they did not vote. This is an example of: egalitarian authority charismatic

    asked on February 12, 2009
  33. sociology perspective

    A person is hiking in the Canyonlands of Utah, and she realizes that the beautiful panorama that is unfolding in front of her could not have happened by accident; there must have been some wonderful plan and power that created this and many other wonderful

    asked on February 10, 2009
  34. yr 8 - spanish

    una mocha ,un estuche, un cuaderno ,un libro ,unos boligrafos ,unos lapices, un sacapuntas ,un diccionario ,una goma, una regla, una agenda, una carpeta. no tengo , tengo thanks have just started spanish at school and i am a bit stuck with my homework

    asked on September 20, 2008
  35. science

    this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when

    asked on February 25, 2017
  36. stati

    12. Suppose 80% of students finish high school. Of them, 50% finish college. Of them, 20% get a master’s degree. Of them, 30% get a Ph.D. (i) What percentage of students get a Ph.

    asked on November 24, 2011
  37. sociology

    Which of the following would be the best illustration of the expressive role in U.S. society, as developed by Talcott Parsons and Robert Bales? 1. A newly married woman keeps a spotless apartment and cooks beautiful gourmet meals. 2. On Saturday, Bill does

    asked on February 5, 2009
  38. last 4 art questions

    1. Connoisseurship was a process in 19th century architecture. a. true b. false 2. Landscape architecture flourished in the late 18th century. a. true b. false 3. Jacques-Louis David was the leading force in French painting during the revolutionary and

    asked on February 5, 2009
  39. math

    Translate the following statement to an inequality. Then, find the solution. Three times the sum of a number and five is greater than or equal to negative six. n ≥ -7 n ≤ -7 n ≥ -3 n ≤ -3

    asked on September 6, 2017
  40. Physics

    Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

    asked on February 17, 2015
  41. physics

    A block with mass m = 24.0 kg slides down an inclined plane of slope angle 41.4 ° with a constant velocity. It is then projected up the same plane with an initial speed 3.80 m/s. How far up the incline will the block move before coming to rest?

    asked on February 22, 2014
  42. statistics

    A woman and her son are debating about the average length of a preacher's sermons on Sunday morning. Despite the mother's arguments, the son thinks that the sermons are more than twenty minutes. For one year, he has randomly selected 12 Sundays and found

    asked on June 19, 2013
  43. Physics

    A 170 -pF capacitor is connected in series with an unknown capacitance, and as a series combination they are connected to a battery with an emf of 25.0 V. If the 170 -pF capacitor stores 135 pC of charge on its plates, what is the unknown capacitance?

    asked on March 2, 2012
  44. algebra

    write a linear equation to model the situation. Use unit analysis to check your model. You borrow $40 from your sister. To repay the loan, you pay her $5 a week.

    asked on January 4, 2011
  45. algebra

    it has been found that the world record for the men's 10,000 meter run has been decreasing steadily since 1950. the record is approximately 28.7 minutes minus 0.05 times the number of years since 1950. assume the record continues to decrease in this way.

    asked on October 9, 2010
  46. Algebra

    "Do the two inequalities have the same solutions? Wriet yes or no. -5x > 0 x > 0 Solve each inequality and ch eck your solution. 9x > 81 help please? -thanks

    asked on May 10, 2010
  47. how children learn

    which of the following questions ia a thinker/doer most likely to ask?

    asked on December 14, 2009
  48. 7th grade Pre-Algebra

    OK !! I've asked for help so much, I've been on this site for 2 hours, and I still havent got what I wanted, :\ "Represent each expression using positive esponents" e^-4 f Would it just be 1/e^4f?

    asked on September 22, 2009
  49. opinion sociology

    Sociology perspectives!? 1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C.

    asked on February 6, 2009
  50. Human Body Types

    I am looking for the genetic weaknesses that each genetic body type inherits, as I wish to form a chart that cross references these probable/possible weaknesses with factors such as eye colour/ hair colour and so forth. Can you or do you know of anyone who

    asked on June 23, 2005
  51. Chemistry

    If an element has 12 protons and 17 neutrons, how many electrons does it have? I think the answers twelve but I'm not sure?

    asked on May 24, 2018
  52. physics

    A balistic pendulum is made from a block of wood with a mass of 2.78 kg. A bullet with a mass of 39 g is shot into the block causing it to rise 29.1 cm. What was the speed of the bullet?

    asked on February 9, 2014
  53. Surveying

    I am looking for horizontal distance between 2 points. My slope distance is 153.97' and a vertical distance of 91degrees 32minutes 45seconds.

    asked on September 21, 2013
  54. Accounting

    Imagen Arquitectonica of Tijuana, Mexico is contemplating a major change in its cost structure. Currently, all of its drafting work is performed by skilled draftsmen. Alfredo Ayala, Imagen's owner, is considering replacing the draftsmen with a computerized

    asked on April 30, 2012
  55. Physics

    The figure below shows a standard man intending to do reverse curls in a gym (standing up with Tension up, weight of arm down and force down). He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 146 kg,

    asked on October 2, 2009
  56. calculus

    Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I

    asked on August 2, 2017
  57. math

    Two digits over two digits equals three digit decimal (_.__) Can only use 0-9 once

    asked on October 3, 2016
  58. Life orientation

    Give five consequences that xenophobia have on comunities.

    asked on May 14, 2015
  59. chemistry

    Calculate the volume 2.3g of oxygen gas at 28 degrees celcius and 2.321 atm

    asked on March 12, 2015
  60. Math

    Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have

    asked on March 8, 2015
  61. physics

    A block of wood with a mass of 4.62 kg sits on the edge of a table that is 0.99 m tall. A bullet with a mass of 70.5 g traveling with a speed of 450 m/s is shot into the block and is lodged in it. Assuming that no energy is lost to friction, how far from

    asked on February 9, 2014
  62. statistics

    assume you have a data set from a normally distributed random variable. answer the following: will the random variable be discrete, continuous, or neither? How do you know? I believe its continuous but cant explain why will the data be qualitative or

    asked on June 29, 2013
  63. math

    how to go by doing a personal cash flow statement is it like the regular budgetfor your house.

    asked on April 12, 2013
  64. Algebra

    The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on Friday! Thanks!!! :)

    asked on March 5, 2013
  65. math

    how many ways can you arrange three banks on a shelf

    asked on August 13, 2012
  66. math

    if a 1100 lb motorcycle(w/2 passengers)is doing 40mph,how long will take to come to a complete stop?

    asked on March 31, 2012
  67. algebra

    Find the slope, if it exists x+5y=10

    asked on May 24, 2011
  68. Spanish

    Me gusta ver el ____ de b`eisbol No puedo jugar Estoy ___ ocupado Vamos a la ___ de cumplean~os de paco help on these last three please?

    asked on September 12, 2010
  69. government

    what is Third way urbanism?

    asked on May 1, 2010
  70. Physics

    a) A microphone has an area of 5cm^2. It receives during a 4.0 s time period a sound energy of 2.0*10^-11 J. What is the intensity of the sound? b) using intensity from a) what is the variation in pressure in the sound wave, delta P ? Use T=293 K and

    asked on February 21, 2010
  71. Pre-Algebra

    Directions: Find the missing measure of each angle How do I do this? It's a triangle, angle one 2x + 15 x 45degrees

    asked on February 3, 2010
  72. Pre-Algebra

    Please help me. Thanks It's Pythagorean Theorem: A boot leaves port and travels 18 miles north and 15 miles east. How far from port is the boat? I have drawn a picture, 15² + 18² = c² ²= squared. Thanks... meh please someone help mewith this, thanks.

    asked on January 14, 2010
  73. Pre-Algebra

    Well, this problem is really stumping me, so here it is. Directions: In each problem, first draw a picture of the situation to the right of the problem. Then decide whether the problem involves measuring length or area growth to help you answer the

    asked on January 5, 2010
  74. Pre-Algebra

    Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is

    asked on October 27, 2009
  75. Pre-Algebra

    Is this correct? If I'm mistaken, please correct it for me, and show me how. Thanks. [Fractions, Decimals, and Percents.] 33 & 1/3 of $90 = $21.00 100% of 500 = $500 1% of 500 = $5.00 50% of 70 = $35.00 100% of 70 = $70.00 Thanks, you don't have to tell me

    asked on October 25, 2009
  76. 7th grade Pre-Algebra

    Find each Product. 8(-5x) Do I just do 8 x -5 = _n ?

    asked on September 14, 2009
  77. algebra

    suppose that D+E=A, that N/A=.25 and that D/A=0.15. Solve for N/E.

    asked on August 27, 2009

    Realism by 1860 had lost its political meaning and became also known as A.genre B.naturalism C.minimalism D.humanism its not genra, that is a type or catagory of the form of painting. naturalism is appearence to imitate nature minimalism sounds right to me

    asked on February 5, 2009
  79. art history

    Realism by 1860 had lost its political meaning and became also known as A.genre B.naturalism C.minimalism D.humanism

    asked on February 5, 2009
  80. physics

    A stone is rotated steadily in a horizantal circle with a period T by a string of length L. If the tension in the stringis constant and L increases by 1% find the percentage change in T.

    asked on October 16, 2008
  81. Geography

    What government imposed barriers stop or hinder the export of automobiles?

    asked on January 21, 2008
  82. Algebra - College intro

    I'm having trouble learning "Solving systems of equations by graphing". Can you show me how to do the following problem? X + Y = 2 X - Y = 0 Solve the system. I know it should be easy, but for some reason I just don't see it.

    asked on July 12, 2008
  83. science

    If I dissolve 200g in 20 litre of water what is the density of the salty water. please help

    asked on February 25, 2017
  84. Geograph

    Where is Indonesia ?

    asked on March 8, 2015
  85. question/curiousity

    A nurse decides to write a book, and a lawyer decides to illustrate the book.. what do the two have in common? my ans: Two potentially turn a hobby into a second career?

    asked on February 11, 2015
  86. physics

    Buffy is rolling along in her 12.7 kg wagon at 3.6 m/s (in the positive direction) when she jumps off the back. She continues to move forward at 1.2 m/s relative to the ground. This causes her wagon to go speeding forward at 9.51 m/s relative to the

    asked on February 9, 2014
  87. finance

    what is the future value of $2,000 in a bank account for 6 years at 4 percent compounded bimonthly

    asked on August 1, 2012
  88. math

    a boy buy a bike for 45$ then sells it for 65$ then buys it back for 90$ then sells it agian for 125$ what percent of money did he make

    asked on January 12, 2012
  89. statistics

    Assuming that the data are normally distributed with a mean of 45 and a standard deviation of 3.25, what is the z-score for a value of 40?

    asked on October 20, 2011

    Let a = 349, M = 492186. Show that gcd(a;M) = 1. Hence find the mutliplicative inverse, a^-1 mod M

    asked on May 9, 2011
  91. 8th grade

    Solve 3r + 18 ¡Ü 6r

    asked on December 11, 2010
  92. Biology

    During skeletal muscle contraction: Choose one answer. A. the A and I bands do not change length. B. cross bridges are formed between myosin and actin. C. minimal tension can be generated when the muscle is close to its normal resting length. D. the

    asked on November 7, 2010
  93. Calculus

    A kicker is setting up for a field goal. The goal is 120 feet away and 10 feet high. The kicker can give an initial speed of 75 ft/s to the ball. What range of angles of elevation are possible to kick the ball so it passes over the goal?

    asked on October 6, 2010
  94. Philosophy

    What are the differences between phenomenal and noumenal worlds?

    asked on April 16, 2010
  95. skills for the effective teacher aide

    Acc to the SMCR model, problems in communication can arise when the speaker fails to do what?

    asked on December 14, 2009
  96. 7th grade Pre-Algebra

    Factor each number completely 110 480 I don't know how to do factor tree's, they're tricky, :\ Please help

    asked on September 29, 2009
  97. 7th grade Pre-Algebra

    Using the definition, 10(to the negative sixth power) = 1/10to the six power and x(negative2) = 1/xto the second power The definition also shows that 1/10to the six power = 10to the negative 6th power and 1/xto the 2nd power = x(negative2) I think that's

    asked on September 22, 2009
  98. 7th grade Math

    I have two questions for math. How do I add/subtract an integer Please give me full notes, or webpage please. Also, my teacher said 10-20E (Problems in book we have to do) Is that evens? because the odd answers are in the back of the text book Thanks,

    asked on September 14, 2009
  99. 7th Grade Math

    {Decimals} Hi, I'm stuck on these problems, and I asked my family members, they don't know, so I've come to you, community! Please help, thanks. Directions: Round each decimal to the underlined place-value position. 4.2974 (seven is the underlined number)

    asked on September 10, 2009
  100. revised sociology question

    Sociology perspectives!? 1. Although it does not endorse traditional gender roles, which sociological perspective implies that dividing tasks between spouses is beneficial for the family unit? A. Functionalist perspective B. Conflict perspective C.

    asked on February 6, 2009


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