1. Math

    For f(x) = 2sinx + (sinx)^3 + tanx find f'(pi/3). Ok, so what I tried was... f'(x) = 2cosx + cosx(3(sinx)^2) + (sinx/cosx) pi/3 = (1/2, sqrt(3)/2) therefore, 2(1/2) + 1/2(3(sqrt(3)/2)(sqrt(3)/2) + (sqrt(3)/2 (2/1)) 1 + .5(3 (3/4)) + sqrt(3) 1 + .5(9/4) +

    asked by Mel on October 19, 2014
  2. Algebra

    Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. The increasing interval and decreasing interval To find both I believe that: increasing : x < -1 decreasing : x > 1 So is this on solution

    asked by Mike on May 5, 2011
  3. English

    1. Which line from the poem “Wave” best develops its tone? Wave My child (line 1) Born to me by water (line 2) And by water (line 3) Swept away. (line 4) (1 point) a) line one b) line two c) line four d) line three My Answer: B Could someone please

    asked by ρσяк on January 22, 2018
  4. Physics

    You pushed a 1 kg box on floor where= 0.3. If the force you applied was 5 N, will the box move? m = 1kg u= 0.3 Fapp= 5 N Ff= (0.3)(1) (9.81) Ff = 2.943 N So therefore the box would move because the frictional force is less than the applied force. Did I

    asked by Lena on April 16, 2009
  5. Chemistry

    I'm trying to find if potassium nitrate is polar or non-polar by using the electronegativity scale. Can someone check my work? Electronegativity: potassium: 0.82 nitrogen: 3.04 oxygen: 3.44 =3.44-3.04 =0.82-0.4 =0.4 =0.42 So the final answer is 0.42 and by

    asked by Marty on November 10, 2007
  6. Algebra 2

    Which describes the number and type of roots of the equation x^3 - 4x^2 + 50x + 7 = 0? a. 1 positive, 2 negative b. 2 positive, 1 negative c. 3 negative d. 3 positive I know I asked this before but I'm going over it and I don't understand it. I got help

    asked by huncho jack on January 31, 2018
  7. chem

    Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? 1)NaCN and NaOH 2) HCl and NaOH 3) HCN and NaOH 4)HCl and NaCN 5) NaCN and HCN is the answer 1 and 5??

    asked by Rachel on April 9, 2011
  8. Chemistry

    The heat of fusion of water is 6.01 kJ/mol. The heat capacity of liquid water is 75.3 J/mol • K. The conversion of 50.0 g of ice at 0.00°C to liquid water at 22.0°C requires how much kJ of heat? Can someone explain how to do this, I tried but keep

    asked by Anonymous on September 20, 2010
  9. aig math(Ms.Sue)

    Both Todd and Zack earn the same salary. Todd spent $716 and Zack spent $128. Then Zack had 4 times the amount of money Todd had left. How much is their salary? Please tell me how and what your answer is?

    asked by May on January 24, 2013
  10. AP CHEMISTRY NEED HELP PLEASE!

    Calculate the enthalpy of combustion of C3H6: C3H6 (g) + 9/2 O2 (g) yield 3CO2 + 3H2O using the following data: 3C (s) + 3H2 (g) yield C3H6 (g) change in H= 53.3 kJ C(s)+O2 (g) yield CO2 (g) change in H= -394kJ H2 (g) + 1/2 O2 (g) yield H2O (l) change in

    asked by Mandy on January 24, 2012
  11. physics help

    A ski gondola is connected to the top of a hill by a steel cable of length 680 m and diameter 1.7 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 15 s for the

    asked by Anonymous on April 27, 2010
  12. teaching in early childhood programs

    A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set.

    asked by Diana on September 7, 2014
  13. English

    Stressed and Unstressed Syllables. Hello, I've seen the previous threads about this, I'm doing the same exercise, but there are no convincing answers anywhere... So there are the instructions : Task 4 – Say each of the following sentences and then

    asked by Leeroy on January 25, 2011
  14. Chemistry

    A spark plug fires before the gases in a cylinder are fully compressed. How will the engine be affected? A. The engine will get better gas mileage as less fuel is burned during each cycle. B. There will be fewer pollutants as the fuel has more time to

    asked by Cortney on March 23, 2015
  15. Chemistry

    The question on one of my assignments says, "Explain why a thick layer of ice on the lake can support the weight of a person, but the liquid water cannot." I would assume it's because solids are solid and liquids are liquid, but I feel like they want a

    asked by Sarah on December 12, 2017
  16. Chemistry

    Can somone please explain this problem to me? The hydrolysis equilibrium constant (Ka) for NH2NH3+ is 5.88E-9 (eq. 1). (eq. 1): NH2NH3+(aq) + H2O(l) = H3O+(aq) + NH2NH2(aq) Calculate the value of the base dissociation constant (Kb) for NH2NH2 as shown in

    asked by John on May 5, 2010
  17. teaching in early chldhood programs

    A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set.

    asked by Melinda on August 23, 2014
  18. Chemistry

    At STP potassium chlorate (KClO3) decomposes to produce solid potassium chloride (KCL) and oxygen gas (O2) according to the balanced chemical equation: 2KClO3(s)->2KCl(s)+3O2(g) What volume of oxygen gas, measured at 40 degrees celsius and 85.4 kPa, will

    asked by Abby on April 11, 2016
  19. Science

    How might creativity help a scientist? a)creativity allows a scientist's findings to be trusted. b)Creativity alllows a scientist to develop new ideas or evaluate old ideas in a new way. c)Creativity assures that the scientist has a sense of right and

    asked by G on August 22, 2014
  20. physics

    An alpha particle, the nucleus of a helium atom, is at rest at the origin of a Cartesian coordinate system. A proton is moving with a velocity of v towards the alpha particle from the positive x axis direction. If the proton is initially far enough away to

    asked by alexis on September 29, 2008
  21. math

    At the first tri-city meeting there are 8 people from town A, 7 people from town b and 5 people from town c. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 from town b. I know that the

    asked by Rmz on January 27, 2010
  22. Physics

    Hi everybody! I need this quick answer, please help! The beam AB in the figure has length 3L and uniform section stiffness EI. The beam is fixed at A(x=0) and loaded by an upward concentrated force, P, applied at its free end B(x=3L). A concentrated moment

    asked by carolina02 on August 28, 2016
  23. civics

    John knows many people who feel that small business need more support from the government. They support tax break and other benefits for small business owners. Which of the following best describes the most effective type of action these people could

    asked by StUdent on May 30, 2015
  24. Chemistry

    I have two substances potassium sulfate and potassium carbonate. They are unlabelled and I need to know which one is which. If I add HCl to each substance ie K2SO4(s) + 2HCl(aq)-->2KCl(aq) + H2SO4(aq) K2CO3(s) + 2HCl(aq)--> 2KCl(aq) + H2O(l) + CO2(g) What

    asked by Fiona on April 24, 2007
  25. eth125

    1. Post your responses to these questions: How well do you think Native American organizations, like the Bureau of Indian Affairs (BIA), the National Congress of American Indians (NCAI), and the National Indian Gaming Association (NIGA), are helping Native

    asked by Anonymous on April 22, 2008
  26. math

    the number of furlongs in a league. apparantly there are 8 furlongs in a mile, i learned this just today on my ride home form school. I hope this helps. go to www.google.com and type in 1 furlong to league and hit search. The answer will pop up at you.

    asked by christina on October 25, 2006
  27. physics

    A combination of .403 kg of water at 45.1 C, .471 kg of aluminum at 41.1 C, and .307 kg of copper at 50.4 C is mixed in an insulated container and allowed to come to thermal equilibrium. Determine the final temperature of the mixture. Neglect any energy

    asked by brandon on February 13, 2011
  28. Chemistry

    estimate Delta H for the following reaction C2H4 (g)+3O2(g)→2 CO2(g)+2 H2O(g) So we have (4) C-H bonds and (1) C=C bond or (H = 4*414 + 615= 2271) For oxygen, (3) O=O bonds or (H = 3*502=1506) 2CO2 is (2) O=C=O (H=730*4=2920) 2H2O is (2) H-O-H or

    asked by Mahnoor on December 7, 2014
  29. Chemistry

    estimate Delta H for the following reaction C2H4 (g)+3O2(g)→2 CO2(g)+2 H2O(g) So we have (4) C-H bonds and (1) C=C bond or (H = 4*414 + 615= 2271) For oxygen, (3) O=O bonds or (H = 3*502=1506) 2CO2 is (2) O=C=O (H=730*4=2920) 2H2O is (2) H-O-H or

    asked by Anon on December 7, 2014
  30. Damon check step by step

    25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of N/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in the sample

    asked by Fai on January 2, 2014
  31. algebra

    the line y=0.16x +0.84 represents an estimate of the average cost of gasoline for each year. the line 0.14x-y=0.95 estimates the price of gasoline in january of each year. a) do you expect the lines to be intersecting, parallel, or perpendicular? explain

    asked by susan on August 29, 2010
  32. chemistry

    Acetyl chloride is a colorless, fuming liquid used primarily in the chemical industry. a)How is acetyl chloride produced? If 915 gallons is produced and shipped, will DOT require the carrier to display the FLAMMABLE placard? Explain your answer. b)When

    asked by Cameron on December 10, 2012
  33. Math, Psychology

    Can anyone tell me what should be the answer to this question? What term is being described: Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Z-score (E)Transformation rules 1) If you keep taking more and more

    asked by Anonymous on April 24, 2015
  34. Chemistry/Math

    I went to my teacher numerous times. I'm still not using the right formulas or equations. Please help. A commonly used rule of thumb is that average velocity in a pipe should be about 1 m/s or less for "thin" (viscosity about water). If a pipe needs to

    asked by Angie on September 4, 2012
  35. Pre-Cal Trig

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

    asked by Kendall on November 28, 2012
  36. history

    The 1978 Supreme Court decision in Bakke v. Regents of the University of California A. established the "red state-blue state" divide. [B. ruled against the principle of affirmative action.] C. established the rights of students to appeal college admissions

    asked by jake on December 12, 2011
  37. Physics

    When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh’s criterion. Take the pupil of the eye to be 2.9 mm and the

    asked by Megan on February 19, 2017
  38. Pre-cal

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

    asked by Tracey on November 28, 2012
  39. Social studies

    Which effect did European colonization have on Indochina? A. Imperial powers invested in education and technology in the region. B. Imperial powers extracted resources to export for their own financial benefit. C. Indigenous peoples benefitted from new

    asked by Help Please on April 1, 2019
  40. History

    Why were the imperialists interested in Jamaica in the 19th or early 20th centuries? Which imperialist country exerted the greatest influence on the areas? How did it exert that influence? If you can answer these questions, help me with my research

    asked by Jalisa on May 15, 2011
  41. Math

    Ok I'm on castle learning and for homework this weekend we have to do #1-4 (assignments) that is due on Saturday @ midnight because that the time it will close and I need help on this question. My assignment is: Math 7 (Q1) Assign #2 - Fractions (i already

    asked by Laruen on November 12, 2011
  42. Stats- Two-tailed test

    A researcher is conducting a matched-pairs study. She gathers data on each pair in the study resulting in the table below. Assume that the data are normally distributed in the population. Pair Group1 Group2 1 10 12 2 8 9 3 11 11 4 8 10 5 9 12 a) At 10%

    asked by Thara on June 12, 2011
  43. Math Help- Gr12

    The relation between the # of time in days, D, it takes for a planet to revolve around the Sun is related to the planer's average distance from the Sun, k, in millions of kilometres is defined by log D= 3/2logk-0.7 . How much longer does it take Mars than

    asked by Mai on January 18, 2010
  44. Physics

    A block of mass 50 kg is pulled on a frictionless floor by F=210N directed to 30angle horizontally, If the block moves 3m, find work done? a. 115 √2J b. 315 √3J Answer is B 315 √3J , my question is how to solve it in this way i mean, i solved it like

    asked by Shahab Mirza on October 3, 2014
  45. Grammar

    The patient's facial lacerations were anesthetized with 1% Xylocaine, prepped with Betadine, and subsequently closed with a total of eleven 6-0 Prolene sutures, the patient was given a wound care sheet and advised to have sutures removed in 5 days.

    asked by Leslie on May 9, 2011
  46. Algebra 2

    If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=-16t^2+vt+s (where h and s are in ft, t is in seconds and v is in ft/sec) If a rock is dropped from the top of

    asked by Nancy on April 27, 2012
  47. Precalc

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

    asked by Lily on November 21, 2014
  48. electrostatic physics

    An uncharged molecule of DNA (deoxyribonucleic acid) is 2.15 m long. The ends of the molecule become singly ionized so that there is a charge of −1.6 × 10^−19C on one end and +1.6 × 10^−19C on the other. The helical molecule acts like a spring and

    asked by jc on February 12, 2012
  49. English

    Thousands at His bidding speed And post o'er land and ocean without rest: They also serve who only stand and wait." God sends angels to whisper His will into people's ears. A person who does not dream of greatness cannot have faith in God. A person does

    asked by Steve on October 28, 2017
  50. History

    Explain the different functions of the aerospace centers in Houston and Cape Canaveral. I think this is the answer, can somebody please double check it. ***In Houston, Texas, the Lyndon B. Johnson Space Center is a place where visitors can see the history

    asked by Sierra on May 2, 2019
  51. Pre-Calculus

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

    asked by Samantha on November 8, 2015
  52. algebra2trig

    the merry go round music box has a diameter of 12.5 inches. it is scale model of a Hershchell-Spillman Carousel which is 35 feet in diameter. A miniature horse 5.5 inchs from the center of the music box makes one complete rotation in 27 seconds. find the

    asked by Olena on April 28, 2011
  53. Chemistry

    A student places 5.77 grams of wex (a mythical substance often burned for light on other planets) in a test tube and then melts it. When the wex starts to freeze, the test tube (with the wex) is put into 237.6 g of water at 34.7oC. If the final temperature

    asked by Kat on May 3, 2011
  54. physics help!

    Two springs P and Q both obey Hooke’s law. They have spring constants 2k and k respectively.The springs are stretched, separately, by a force that is gradually increased from zero up to a certain maximum value, the same for each spring. The work done in

    asked by Taylor on October 28, 2014
  55. Science

    Koalas, which are native to Australia, primarily eat the leaves of the eucalyptus trees in which they live. Which of the following would happen to koalas if people destroy their habitats in order to build houses? a.)The koala population would increase

    asked by Anonymous on January 10, 2014
  56. Physics

    The power radiated by the sun is 3.90 1026 W. The earth orbits the sun in a nearly circular orbit of radius 1.50 1011 m. The earth's axis of rotation is tilted by 27° relative to the plane of the orbit (see the drawing), so sunlight does not strike the

    asked by Elizabeth on March 26, 2013
  57. Physics

    Boxes are moved on a conveyor belt from where they are filled to the packing station 11.3m away. The belt is initially stationary and must finish with zero speed. The most rapid transit is accomplished if the belt accelerates for half the distance, then

    asked by Francis on December 30, 2016
  58. history

    The 1978 Supreme Court decision in Bakke v. Regents of the University of California A. established the "red state-blue state" divide. [B. ruled against the principle of affirmative action.] C. established the rights of students to appeal college admissions

    asked by jake on December 12, 2011
  59. Chemistry

    C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? From my understanding the equation is already balanced, correct? My

    asked by Molly on April 14, 2010
  60. ap history

    36. Which of the following statements about Virginia is correct? [a The indentured servants’ chances of upward social mobility improved in the second half of the 1600s. [B] By 1640 the great majority of its plantation laborers were African slaves. [C] It

    asked by sydney on September 23, 2015
  61. Psych

    Kenvin and Cheryl had completed their first day of naturalistic observation of adolescents at the local high school. As they dicssed their experiences during the day, they found that they were both concerned about the difference their presence in the

    asked by Tisha on August 4, 2011
  62. English

    Could you please tell me if the instructions are possible? I included a few more things. 1) Complete the following sentences with the appropriate form of the verbs in the box + a reflexive pronoun (8 pts.) 2) Jack would like to know you better. Answer his

    asked by Matthew on April 2, 2012
  63. Statistics

    Using the following information find a 95% confidence interval for the intercept in the regression of measured distance on recession velocity. VARIABLE COEFFICIENT STANDARD ERROR Constant 0.3391 0.1185 Velocity 0.001373 0.000227 T-STAT P-VALUE 3.369 0.0028

    asked by MMK on March 14, 2007
  64. English

    5.    Which of the following sentences from the article is an example of hyperbole?  (1 point) A.They had proved something amazing: Ivory-billed woodpeckers still graced the planet. B. According to experts, they need large areas of old-growth forest,

    asked by Bunny on March 21, 2013
  65. cultura ldiversity

    people who unite to form a microculture around a physical condition 9such as the deaf community) might reject the term "disabled" in reference themselves because they a. think of their condition as primarily a cultural or linguistic difference b. equate

    asked by Karol on January 25, 2011
  66. LA

    Which of the following events from the story has the greatest impact on the development of the plot in the first selection of the novel? A Timothy rescues stew cat from the wreckage of the ss Hato. B Phillip receives a blow to the head as he attempts to

    asked by SmellyBird on January 2, 2018
  67. statistics

    In performing a hypothesis test, the null hypothesis is population mean = 6.9 and the alternative hypothesis is population mean ≠ 6.9, a random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation is 2.0. The

    asked by Anonymous on August 17, 2014
  68. Math

    A car is projected directly up an incline and its location from its start point is given by the formula s = 9t - 5t2. Determine its initial velocity and initial acceleration. initial velocity in m/s = initial acceleration in m/s2 = My Answer s'=9-10t

    asked by Brownie on January 29, 2013
  69. math

    in the united states .154,000,000 tons of garbage are prouduced annually .on an average ,about how many pounds is that each month for each person in the united states? the popullation of the united states is about 250 millon pounds answer: pounds

    asked by cindy on February 1, 2011
  70. math

    An ice cream shop is changing the size of their ice cream cone. The volume of a cone is . How much will the ice cream cone hold if the radius is 4 inches and the height is 3 inches? Round your answer to the nearest hundredth place.

    asked by chelsea brown on November 30, 2011
  71. algebra

    you have 10 vacant units open three 1 bedrooms renting for $800 a month, six 2 bedrooms renting for $1050 a month and one 3 bedrooms renting for 1475 a month, what is your monthly rental loss if you do not rent these units? I got an answer and coming up

    asked by Esther Munoz on May 9, 2018
  72. SS8R: National Convention: The Female Voice Essay

    I have this assignment for my Social Studies class about the National Convention. Well most of you know about the National Convention thing since you watch Republicans or Democratic. The essay is focusing on First Lady Michelle Obama and Ann Romney. They

    asked by Laruen on September 18, 2012
  73. Geometry

    What is the distance between point P(-2, 1, 3) and point Q(-1, 4, -2) to the nearest tenth? 35.1 units 9.3 units 18.4 units 5.9 units My answer: 18.4 units

    asked by Nicole on January 29, 2016
  74. English

    1. What animal do you keep? 2. What pet animal do you have? 3. What pet do you keep? 4. Which pet do you have? 5. What pet do you have? - I have a pet turtle. (Which question is suitable for the answer?)

    asked by rfvv on November 12, 2013
  75. CHEMISTRY

    45) George is making spaghetti for dinner. He places 4.01 kg of water in a pan and brings it to a boil. Before adding the pasta, he adds 58 g of table salt to the water and again brings it to a boil. The temperature of the salty, boiling water is _ _ _ _

    asked by hjw on September 26, 2010
  76. physics

    'a weather station monitors a storm using a radar system. the radio wave pulse emitted is received back at the transmitter after 0.34 ms. the wavelength emitted was 5.6 cm and that received after reflection from the storm was 1 billionth of a meter longer.

    asked by mmk on April 14, 2013
  77. chemistry

    Chromium is diffused into steel at 980o C to increase its corrosion resistance. If during the diffusion the surface concentration of chromium is maintained constant, how long will it take to achieve 1.8% of the surface concentration at a depth of 0.002 cm

    asked by kanthimathi on December 14, 2018
  78. advance functions gr12 HELP ASAP

    use the asymptotes and intercepts to make a quick sketch of the function f(x)= x-2 (numerator) x+4(denominator) and its reciprocal f^r = x+4 (numerator) x-2 (denominator) on the same set of axes. b) describe the symmetry in the graphs in part a) c)

    asked by james on April 2, 2013
  79. advance functions gr12

    use the asymptotes and intercepts to make a quick sketch of the function f(x)= x-2 (numerator) x+4(denominator) and its reciprocal f^r = x+4 (numerator) x-2 (denominator) on the same set of axes. b) describe the symmetry in the graphs in part a) c)

    asked by james on April 2, 2013
  80. Chem Help Please!

    Compare the relative reaction rates of 1-bromobutane, 2-bromopropane, and 2-bromomethylpropane under SN1 reaction conditions. Silver nitrate will be used to provide nitrate ion as the nucleophile to produce alkyl nitrates as products. 1) I found the answer

    asked by Jesicca on October 15, 2014
  81. Genetics

    if the dominant allele factor us essential for sight and the factor B results in blindness no matter what other genes are present, then the ratio of blind to normal offspring of the cross aaBbxAabb will be a.1:1 b.1:3 c.2:1 d.3:1 I think the answer is 1:1

    asked by Robynn on November 20, 2008
  82. Separation of Racemate- Chemistry Lab

    Compare the relative reaction rates of 1-bromobutane, 2-bromopropane, and 2-bromomethylpropane under SN1 reaction conditions. Silver nitrate will be used to provide nitrate ion as the nucleophile to produce alkyl nitrates as products. 1) I found the answer

    asked by Jesicca on October 14, 2014
  83. precal

    Rebecca and Tom Payton have decided to buy a home that costs $200,000. The Paytons can put down 20% of the home's price. They have applied for a 15-year, 9% FRM to finance the balance. They Paytons have a combined gross annual income of $70,000. A.)$

    asked by Anonymous on September 11, 2010
  84. Chemistry HW Help!

    I really need help with the following question.... What is the volume, in liters, of 0.250 mol of hydrogen gas at 20 °C and 0.974 atm pressure? I also would like to let you know that before you can put the numbers into an equation and solve for the

    asked by Kiara on April 29, 2008
  85. Psychology

    Samantha is suffering from fatigue and sometimes cannot make herself get of of bed in the morning. She feels that the world is a sad, unhappy place and would like to be relieved of her existence. Dr. Powell and Samantha examine her feelings very closely

    asked by Melisa on October 9, 2010
  86. grammar

    in america we have halloween. in mexico they have todos santos, which means "all saints". this is the day in which people remember family and friends who have died. they visit the cemetery instead of going trick-or treat. but htey do have pics of skelotens

    asked by Angelina on March 9, 2015
  87. Chemistry

    Which element is most important for helping eyesight? Se S As Pu Po I found this on the web. I don't now how reliable it is so check it out with yout text and class notes. I also found reference to Mn being important but that isn't in your list from which

    asked by Lisa on April 20, 2007
  88. Chemistry

    The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The equation for its combustion is 4C2H4NO2(s)+9O2(g)---> 8CO2(g)+10H2O(l)+2N2(g) For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this

    asked by Please check answer on March 24, 2015
  89. Effective Learning Environment

    Which of the following is an accurate statement about improving air quality? A. Burning candles can help to mask odors and to clean the air. B. Humidity should be below 40% to reduce mold and increase children's natural mucus. C. It's important to

    asked by Priscila on February 15, 2017
  90. statistics

    A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the

    asked by avery on June 26, 2013
  91. statistics

    A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the

    asked by avery on June 26, 2013
  92. History

    How did nation's sections differences in economies lead to sectionalism? Answer : Each seciton has different economics because each place has different climates so they'll benefit on different things. South relies on slaves. Northeast relies on

    asked by M on January 28, 2015
  93. statistics

    A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the

    asked by avery on June 26, 2013
  94. PreCalculus

    Rebecca and Tom Payton have decided to buy a home that costs $200,000. The Paytons can put down 20% of the home's price. They have applied for a 15-year, 9% FRM to finance the balance. They Paytons have a combined gross annual income of $70,000. Answer the

    asked by YaYa on April 5, 2017
  95. chemistry

    N-type silicon (Si) has been produced by doping with phosphorus (P). The charge-carrier population based on electrical conductivity measurments is determined to be 3.091*1017 carriers/cm3 at room temperature. Calculate the doping level of P (how much P has

    asked by Anonymous on April 26, 2013
  96. Physics

    02. Comic-strip hero Superman meets an asteroid in outer space and hurls it at 800 m/s, as fast as a bullet. The asteroid is a thousand times more massive than Superman, yet in the comic strip, he remains stationary after releasing the asteroid. Say, his

    asked by Paula on August 25, 2014
  97. physics

    A 1200kg car moves along a horizontal road at speed v0=23.3m/s,the road is wet, so the static friction coefficient between the road and the tires is only µs=0.209 and the kinetic friction coefficient is even lower µk=0.1463. The acceleration due to

    asked by Alex on January 25, 2016
  98. math work for workeys

    Ok so I have an example and I used it for my work. First I'll show the example. Multiply a mixed number with a whole number. 4 times 2 and 1/8 . You multiply 4 times 2 and 4 times 1/8. Get 8 + 4/8. Simplified and got 8 and 1/2. The problem that I got was.

    asked by andrea on February 3, 2015
  99. statistics

    A study was conducted in order to estimate μ, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the

    asked by avery on June 26, 2013
  100. Econ MC

    Dick owns a dog whose barking annoys Dick's neighbor Jane. Dick receives personal benefit from owning the dog, and Jane bears a cost of Dick's ownership of the dog. Assuming Dick has the legal right to keep the dog, which of the following choices are true?

    asked by Econ on April 17, 2007

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