Questions Asked on
November 9, 2008

  1. Algebra

    How Does a Rodeo Star Get Around

    asked by Anonymous
  2. chemistry

    SOMEONE CAN PLZ EXPLAIN IN DETAIL HOW TO SOLVE THIS PROBLEM..THNKS Molar Volume of Sodium If you assume that an atom is a hard sphere, you can estimate the average volume of space it occupies using basic geometry. Question Estimate the volume, V , of a

    asked by unkname
  3. Organic Chemistry

    When benzyl chloride is treated with sodium iodide in acetone, it reacts much faster than 1-chlorobutane, even though both compounds are primary alkyl chlorides

    asked by Brian
  4. chemistry

    what experimental difficulty would you encounter if you had neglected to include a drying step before evaporating the ether solution of the neutral organic compound? Water was added to the organic solvent ,but a drying agent wasn't added. So would the

    asked by jason
  5. physics problem

    An archer pulls the bowstring back for a distance of 0.400 m before releasing the arrow. The bow and string act like a spring whose spring constant is 490 N/m. (a) What is the elastic potential energy of the drawn bow? (b) The arrow has a mass of 0.0300

    asked by Albee
  6. Math Word Problem

    At 6am a few bacteria fall into a can of syrup in a broken garbage bag. The conditions of warmth, moisture, and food are perfect for growth and the population doubles every 20 minutes. By 6pm the bacteria are overcrowded and dry and their food is gone.At

    asked by George
  7. chemistry

    is this reaction endothermic or exothermic? Fe^3+ + SCN^- --> FeSCN^2+ (original: KSCN + Fe(NO3)3 --> Fe(SCN)3 + K(NO3))

    asked by Anonymous
  8. Calculus

    A dose, D, of a drug causes a temperature change, T, in apatient. For C a positive constant, t is given by T=((C/2)-(D/3))D^3. (a) What is the rate of change of temperature change with respect to dose. (b) For what dose does the temperature change increase

    asked by George
  9. Hard Calculus

    A dose, D, of a drug causes a temperature change, T, in apatient. For C a positive constant, t is given by T=((C/2)-(D/3))D^3. (a) What is the rate of change of temperature change with respect to dose. (b) For what dose does the temperature change increase

    asked by George
  10. Physics

    A 1300-kg space vehicle falls vertically from a height of 2500 km above the earth's surface. Determine how much work is done by the force of gravity in bringing the vehicle to the earth's surface.

    asked by Steve
  11. calculus

    A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function

    asked by Liz
  12. chemistry

    Is hydrogen bonding exothermic or endothermic? I am writing a lab report for the reaction between ethanol with water and glycerol with water and I don't know if the hydrogen bonds formed are exothermic or endothermic... PLEASE HELP!! thanks

    asked by anonymous
  13. PHYSICS PLZZZ

    A block is given an initial velocity of 7.00 m/s up a frictionless 19.0° incline. How far up the incline does the block slide before coming (momentarily) to rest?

    asked by nicky
  14. Math

    A car rents for $35 per day plus 20cents per mile. If x represents the number of miles jorge drives per day, 35+0.20x represents the cost of the rental. If jorge has $89 to spend for the daily car rental, what is the maximum number of miles he can travel

    asked by Bryan
  15. chemistry

    Atomic hydrogen produces well-known series of spectral lines in several regions of the electromagnetic spectrum. Each series fits the Rydberg equation with its own particular n sub 1 value. Calculate the value of n sub 1 (by trial and error if necessary)

    asked by Mark
  16. Calculus

    The gravitational force, F, on a rocket at a distance, r, from the center of the earth is given by F=k/r^2 where k = 10^13 newton • km2. When the rocket is 10^4 km from the center of the earth, it is moving away at 0.2 km/sec. How fast is the

    asked by George
  17. geometry

    1)given-AB=CD,CD=EF prove-AB-EF (in 5 steps that show why it is corect; i.e two-column proof) 2)Given-

    asked by jessica
  18. 11th Grade-math

    A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and $15 per foot on land. Express the total cost as a function

    asked by Liz
  19. Chemistry

    Hi everyone, I'm having problems with effective nuclear charge. Regarding these problems. Calculate Zeff for a valence electron in an oxygen atom. and Calculate Zeff for the 4s electron in a copper atom, . and Calculate Zeff for a 3d electron in a copper

    asked by Robert
  20. Primary Source

    I am trying to find a primary source on Ferdinand Magellan. I understand that there are primary source book about him, but I need a primary source on the internet. I cannot seem to find one! Please help.

    asked by Karen
  21. social studies

    hi can someone please help me with these 3 questions. 1. One manifestation of the rising democratic tide in the 1830s was a. a general raising of the political tone b. use of national nominating conventions I think it's a but i don't know why it can't be B

    asked by phil
  22. physics

    A car is traveling at 51.0 mi/h on a horizontal highway If the coefficient of static friction between road and tires on a rainy day is 0.096, what is the minimum distance in which the car will stop What is the stopping distance when the surface is dry and

    asked by nicky
  23. AP Chem

    Helium gas, He, at 22 degrees C and 1.00 atm occupied a vessel whose volume was 2.54 L. What volume would this gas occupy if it were cooled to liquid-nitrogen temperature (-197 degrees celcius). What is the equation?

    asked by Anna
  24. Math word problem

    The Mad River flows at a rate of 3 km/h. In order for a boat to travel 78.2 km upriver and then return in a total of 8 hr, how fast must the boat travel in still water? what formula would be used to solve this problem?

    asked by Shawn
  25. physics help 4

    An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which has a large mass suspended from it. Assume that the wire has a mass of 4.10 g and a length of 1.60 m and that a 3.00 kg mass is suspended

    asked by kelsey
  26. geometry

    TWO COLUMN TRIANGLE PROOF Given: line AB is parallel to line DE, and line AD bisects line BE Prove: triangle ABC is congruent to triangle DEC by using the ASA (angle-side-angle) postulate

    asked by tori
  27. physics

    1) Sound propagating through air at 30 degree Celsius passes through a vertical cold front into air that is 40 degree Celsius. If the sound has a frequency of 2400 Hz, by what percentage does its wavelength change in crossing the boundary? (2) What is the

    asked by Sandhya
  28. Trigonometry

    Prove that (cosy/1+siny) + (1+siny/cosy) = 2secy

    asked by Trig
  29. Math word problem check

    The Mad River flows at a rate of 3 km/h. In order for a boat to travel 78.2 km upriver and then return in a total of 8 hr, how fast must the boat travel in still water? what formula would be used to solve this problem? I used the formula of V = D/T T =

    asked by Shawn
  30. grammar

    change the following to indirect speech. the lion said to the hare, l am going to eat you'.

    asked by ra ny
  31. social studies

    1. As a diplomat, andrew jackson was most successful in a. settling the maine boundary b. annexing texas c. opening trade with the british west indies d. purchasing florida i think it is d. 2. The textile factory spread into New England because of the

    asked by crystal
  32. composition

    I have to now for this unit write an essay about a literary essay's theme. I have chosen the poem The Wreck of the Hesperus so what is the theme of the poem? (theme can also be identified by the imagery, ect. of the poem) thanks-MC

    asked by mysterychicken
  33. math

    How do you get the answer to this problem? The Diameter of a typical pinhead is 1 milimeter. If a common virus measures 250 nanometers in diameter, and the virus fits together so well that there are no gaps or overlaps, how many viruses would fit on the

    asked by Misty
  34. dynamics

    a boy weighs 80 lb and is hanging uniformly from a bar, how do you find the force in each of his arms at t=2s if the bar is moving upward with a.)constant velocity of 3ft/s, b.) a speed of (4t^2) ft/s?

    asked by sarah
  35. English/Grammar

    I need to re-write this sentence in a different light that would make it seem more correct. I am suppose to write it five different ways, I have written it in three other ways but I cannot come up with two more. The sentence is: Teen marketed films, try to

    asked by Danielle
  36. maths plz help me

    TOP electronics is a small business with five employees. the mena (average) wekkly salary for the five employess is $360. if the weekly salaries of four of he employees are $340 $340 $345and $425, what is the slary of the fifth employee?

    asked by Anonymous
  37. chem

    methanoic acid react with potassium dichromate to form what? A colorless solution and CO2 is formed as known

    asked by david
  38. history

    Hi can someone help me with this question By 1828 John C. Calhoun was a. an avowed secessionist b. an out and out sectionist c. a flaming nationalist d. both a sectionist and nationalist I think it is A

    asked by phil
  39. chem

    A vessel containing 39.5 cm^3 of helium gas at 25 degrees celsius and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If tihs required 7.7 cm^3 of ethanol,

    asked by Anna
  40. chemistry

    Molar Volume of Sodium If you assume that an atom is a hard sphere, you can estimate the average volume of space it occupies using basic geometry. Question Estimate the volume, V , of a sodium atom ( Na ) using its metallic radius of 186

    asked by unkname
  41. Hard Calculus

    The gravitational force, F, on a rocket at a distance, r, from the center of the earth is given by F=k/r^2 where k = 10^13 newton • km2. When the rocket is 10^4 km from the center of the earth, it is moving away at 0.2 km/sec. How fast is the

    asked by George
  42. AP Environmental Science

    I have a word problem about exponential growth. The problem is... "At 6am a few bacteria fall into a can of syrup in a broken garbage bag. The conditions of warmth, moisture, and food are perfect for growth and the population doubles every 20 minutes. By

    asked by Amy
  43. 6th grade math

    two thirds minus five ninths equals?

    asked by Sirenia
  44. Pre-Algebra

    A rectange has dimensions of 1 and 6. Another rectangle was drawn from it using a scale factor of 1.5. A. The area of the large rectangle is how many times the area of the small rectangle? B. The perimter of the large rectangle is how many times the

    asked by Samantha
  45. Math word problem

    The cost of producing x bags of pretzels is modelled by C(x)=0.5x^2 + x + 2 where x=# of bags per hundred. State the function that represents the average cost.

    asked by Marty
  46. history

    hi can someone please help me with these 5 questions. 1. One manifestation of the rising democratic tide in the 1830s was a. a general raising of the political tone b. use of national nominating conventions I think it's a but i don't know why it can't be B

    asked by phil
  47. physics help 2 please!

    A 4.0 Hz wave with an amplitude of 12 cm and a wavelength of 30.0 cm travels along a stretched horizontal string. (a) How far does a given peak on the wave travel in a time interval of 6.0 s? ? m (b) How far does a knot on the string travel in the same

    asked by kelsey
  48. math

    what should you do if your lawn is always dry?

    asked by ll1226
  49. math help me

    there are 2 identical bottles. one bottle contains 2 red balls. a bottle is selected at random and a single ball is drawn what is thwe probability that the bll is red?

    asked by Anonymous
  50. math

    A company published its list of employees and their salaries (rounded off) as givem below. Employee Salaries: President- $120,000 Vice President- $96,500 4 Managers- $46,600 each 2 Secrataries- $25,000 eacb 10 Senior Employees- $36,500 each 15 Junior

    asked by aurthur
  51. government

    one of the problem of liberty is that one person's liberty sometimes conflicts with another's liberty and one must take precedence. how to resolve the following conflicts between rights of the individuals and why? a. the majority of the members of the Key

    asked by ivy
  52. Math (Functions)

    he cost of producing x bags of pretzels is modelled by C(x)=0.5x^2 + x + 2 where x=# of bags per hundred. State the function that represents the average cost. Do you just have to factor it?

    asked by Marty
  53. History

    Who were the midnight judges in America during the 1800s? Also, can someone please explain the cause of Marbury vs. Madison and what the effect of Marbury vs. Madison was? Thank you.

    asked by Rachel
  54. Pre-Algebra

    In a-c, explain what would happen to a figure if you transformed it using the given rule. a. (3x, 6y) b. (x+2, y+1) c. (2x, 2y +5)

    asked by Samantha
  55. history

    hi can someone please help me with these questions 1. By 1828 John C. Calhoun was a. an avowed secessionist b. an out and out sectionist c. a flaming nationalist d. both a sectionist and a nationalist I think the answer is A 2. President Van buren is best

    asked by bill
  56. calc

    a ball with mass 0.15 kg is thrown upward with initial velocity 20 m/sec from the roof of a building 30 m high. there is a force due to air resistance of |v|/30, where velocity v is measured in m/sec. a. find the maximum height above the ground the ball

    asked by cyrus
  57. statistics

    model: firm return - risk free return = beta(market return - risk free return) hypothesis1: group1 & group2 have equal betas hypothesis2: group1 & group2 have equal variances if there are 500 observations (250 in group 1, 250 in group 2), what are the

    asked by Aq
  58. social studies

    Hi. Can somone please help me with these four questions. 1. President Van Buren is best remembered for a. causing a panic b. establishing the independent treasury system c. ending the bank of the united states d. annexing texas I think the answer is B 2.

    asked by bill
  59. Gr 10 Chemistry

    What is the balanced skeleton equation of Calcium hydroxide+ Phosphoric acid --> Calcium phosphate+ Water

    asked by Pie
  60. social studies

    can someone help me please with these two questions. 1. The utopian communities in America before 1860 were handicapped because they a. were ultimately overcrowded b. were forced to compete with free enterprise c. outlawed by congress d. generally embraced

    asked by bill
  61. physics

    what would make you weigh less inside of the empire state building on the ground floor, oppose to outside on the sidewalk. (weighing on a regular bathroom scale)The mass of the building? If so how does that work?

    asked by Nichole
  62. Trigonometry

    Prove that (3cos^2x + 8sinx-8/cos^2x) = (3sinx-5/sinx+1)

    asked by Trig
  63. math

    1 3/9 x 2/3

    asked by Sirenia
  64. biology honors

    what was leonardo da vinci's contrabution to biology ?

    asked by mayme
  65. 7th grade science

    Does the bending (folding and faulting) of Earth create sound?

    asked by Emma Leigh
  66. Math

    did i work these problems right if not could some one show me how to work all three of them. 8.Represent the quantity with a real number: An altitude of 400 feet (ft) above sea level: 400 is a real number. I could also use 4 as a real number representing a

    asked by Gertrude Sanders
  67. history

    can someone please help me 1. President Van buren is best remembered for a. causing a panic b. establishing the independent treasury system I think it is A but didn’t he not cause a panic

    asked by bill
  68. Canadian Law

    Between the Canadian Bill of Rights (1960) and the Canadian Charter of Rights & Freedoms, which is better able to protect the rights and freedoms of Canadian citizens and why? The answer is the Canadian Charter of Rights & Freedoms but I`m not sure why.

    asked by Lena
  69. philosophy

    write a 350-700 word response describing how Socrates’, Plato’s, and Aristotle’s philosophies relate to each other

    asked by Raul
  70. english

    name five things that can be called FROG. but it cant be a word describing a frog like toad or pollywog

    asked by renee
  71. S.S

    What impact did the Virginia Statute for religious freedom have on the U.S government?

    asked by kevin
  72. Math :)

    I have to work with percentages and I don't know how to figure this word problem out. John saved 23.97$ by purchasing boots at "30% off sale". Find the origianl price of the boots.

    asked by anjelika
  73. 7th math

    Write all elements of Set R if Rn=n / 2 where n= 1,2,3.....9 What is the cardinality of Set R?

    asked by Mom
  74. Math

    Find the mode of the following list price- 1.67-1.29-.79-1.29-.89-.89-.79-1.67-.79-.57-.79 would my answer be .79

    asked by Debbie
  75. How does a pager work?

    I understand that it's like a beeper. But do you pay per month or is it lke once you've bought one and a number for it, you don't have to pay anymore?

    asked by Debby
  76. Math word problem 2

    Sabine and Hercule can assemble a table in 45 minutes. Working alone, it takes Hercule 48 minutes longer than Sabine to put this table together. How long would it take for Sabine to assemble the table by herself? What formula would I use to solve this?

    asked by Shawn
  77. Math question

    Solve: x^-2 - x^-1= 5/4 I multiplied all terms of your equation by 4x^2 to get 5x^2 + 4x - 4 = 0 I get (-2+/-2sqrt6)/5 is this correct?

    asked by Shawn
  78. Algebra

    A chemist mixed some 20% peroxide sol with some 30% peroxide sol to make 500ml of a 25% peroxide solution.How many ml of each solution should be used? HELP just cannot get this one..

    asked by S.G
  79. Science

    When can a rock have both kinectic and potential energy? Explain.

    asked by Cheyenne
  80. Math Help please

    Solve w= (va)/(r^2+a^2) for a. is the answer a= sqrt[w(r^2+v^2)/v]?

    asked by Shawn
  81. English I think

    I was wondering if in the first production of Peter Pan (the play in 1904), if James Barrie (the author) REALLY invited handfuls of orphans to come to the play. This was in the movie, which is based on the true story, but I can't figure out if this

    asked by Skye
  82. MGT

    According to Rue and Byars (2004), “orientation is concerned with introducing the new employee to the organization and the job” (p. 177). On the other hand, “training involves the acquisition of skills, concepts, rules, or attitudes by employees in

    asked by troyer0269
  83. social studies

    Andrew Jackson believed that the US needed to a. create a totally egalitarian society b. challenge the power of the eastern elites c. put an end to the existence of slavery d, strengthen the power of the federal government. i remember reading that jackson

    asked by casey
  84. AP Economics

    The price of apples rises from 1.00 per lb to 1.50 per lb. As a result the qauntity fdemande for oranges rises from 8000 to 9500 per week. Calculate the cross price elasticity for apples and oranges.

    asked by Darius Miller
  85. Math

    Find the specific solution for the following differential equations: a) (dy/dx)^2 - x^4 = 0 given the initial value y(1) = 0 b) dy/dx = ysinx given the initial value y(pi) = 1

    asked by Alice
  86. Math check

    Complete the square: x^2 -12x. Which of the following is the correct perfect-square trinomial? the answers are: a.) x^2 +22x+121 b.) x^2 -10x+25 c.) x^2 -20x+44 d.) x^2 -12x+36 This is tough because the answers could be a.) b.) and d.) I am not sure which

    asked by Shawn
  87. history

    describe the efforts between the 1850's and 1870 which resulted in the unification of italy. I have to get it from a book but i cant find any so if you could please give me the citation info to please.

    asked by Lisa
  88. NEED HELP FAST!!!-SCIENCE

    wat is air??

    asked by Anonymous
  89. pre-algebra

    is a monomial an expresion that dose not use addition and subtraction

    asked by hannah
  90. math

    A company's bank inventory is confirmed by? Is this correct- a physical count

    asked by Debbie
  91. Math answer check

    Determine the type of number that the solutions of x^2 +5x+3=0 will be I have the answer as rational is that right?

    asked by Shawn
  92. math

    in a set of numbers {78, 79, 81, 82, 85} find a) mean b) median c) standard deviation is a) 81 b) 81 c) 2.74

    asked by aurthur
  93. the subject with numbers

    Julie is paid a comission of 3% on all sales. Last week, she earned $82.74. What were her total sales? How do you solve this math question? Please and Thank you!

    asked by Ryan
  94. English

    How many different book genres are there and what are they?

    asked by Kat
  95. history

    hi can someone help me with this question 1. President Van Buren is best remembered for a. causing a panic b. establishing the independent treasury system c. ending the bank of the united states d. annexing texas I think it is A but can't it also be B

    asked by phil
  96. Math algebra equations

    Joe spent $5 on a shirt, $20 on shoes, and he still had $10 left. How much money did he start with ?

    asked by Daija
  97. 6th grade Social Studies

    What are three important elements of culture?

    asked by OlaZlnka
  98. Math help update

    let f(x) = 12x^2 +7x-10. Find x such that f(x)=0 a.) -4/5, 5/3 b.) -5/4, 2/3 c.) -2/5, 5/3 d.) -5/3, 2/3 I think I have it. I was able to factor out 12x^2 +7x-10 to (4x+5) (3x-2)=0 The answer is -5/4 and 2/3 right?

    asked by Shawn
  99. government

    This is a quote from an essay on “Liberty” by John Stuart Mills. “The peculiar evil of silencing the expression of opinion is that it is robbing the human race. If the opinion is rights, they are deprived of the opportunity for exchanging error for

    asked by ViVi
  100. science

    What are the long term effects of tornadoes?

    asked by julia
  101. Math

    Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?

    asked by Shawn
  102. Math

    6 2/3 - 1 4/9 = ?

    asked by Sirenia
  103. math

    2 3/5 x 1 2/3

    asked by Sirenia
  104. american government

    if a teachers union wants its opinion to be heard in a case being considered by the supreme court on the issue of school prayer, but the union is not a formal party to the lwqsuit, it should file a/an writ of certiorari judicial pettion amicus curiae brief

    asked by debbie
  105. Math Algebra check

    Which of the following quadratic equations has -4 and 3/4 as the solutions? a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7) c.)x^2+(30/7x)+(25/7) d.)x^2-(13/4x)+3 I substituted the values and I have the answer as (a.)

    asked by Shawn
  106. 9th grade earthspace science

    how do you decribe condinsation on a glass of a cold beverage on a warm day as?

    asked by mayme
  107. algebra

    How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day?

    asked by ELLEN
  108. Math/Stats

    In the last senatorial election in New Jersey, the republican candidate got 48% of the vote. During the election an exit poll was conducted by radio station WSTAT. Ten voters selected at random where asked if they voted for the republican candidate. (a)

    asked by Xavier
  109. math

    Using Table 8.21, allocate the indirect costs in the indirect cost pool using total direct costs as the method or base. What is the total cost, or full cost, of each of the four programs? Assuming the total outputs (or units of service) remain the same for

    asked by Anonymous
  110. math

    the edges of a cube are 3 inches long. what is the surface area, in square inches, of this cube?

    asked by erica
  111. social studies

    The following, except one, were reasons for the flood of immigrants in the 1840's: a. "American letters" b. a desire to retain the religion of their fathers c. speedy shipping d. the collapse of the Continental revolutions i'm pretty sure the answer is b.

    asked by casey
  112. CALC

    find the following derivatives: f(x) = (2x+5)/(x^2-3) f'(x)= (2)*(x^2 -3)-(2x+5)*2x/(x^2-3)^2 is that correct??? f(x)= (lnx)(cos x) f'(x)= 1/x*-sinx or do i have to use the product rule?? thank you.

    asked by Dan
  113. social studies

    1. As a diplomat, andrew jackson was most successful in a. settling the maine boundary b. annexing texas c. opening trade with the british west indies d. purchasing florida i think it is c. 2. The textile factory spread into New England because of the

    asked by crystal
  114. american revolution

    which country does the tax collector represent?(1) why did sons of liberty ta and feather the taxcollector?(2) . these actions by the sons of liberty and other patriots helped lead towhich war?(3) thanks.

    asked by brianna
  115. Algebra y-intercept

    What is the y-intercept of f(x)=x^2+x-12? the answers are a.)(0,12) b.)(-72,0) c.)(0,-12) d.)(0,-72) I have the answer as (c.)(0,-12) is this right?

    asked by Shawn
  116. american experience since 1945

    Describe how the Cold War ideology that crystallized after WWll changed wartime alliances that had existed during the war?

    asked by unknown
  117. college chemistry

    If I find the energy emitted by an excited sodium atom when it generates a photon.and then, When i have to find the energy emitted by 1mol of excited sodium atoms at this wvelength do I multiply the first by avogadro's number? 1mol has avogadro number of

    asked by Julie
  118. psychology

    I need more information for the management techniques in child discipline

    asked by kay
  119. word problem 3

    Rosie's Palm Pirates, a manufacturer of electronic organizers, estimates that when x hundred Palm Pirates are made, the average cost per unit is given by C(x) = 0.4x^2 -3.68x+9.524, where C is in hundreds of dollars. What is the minimum cost per unit? is

    asked by Shawn
  120. Physics help please!

    The speed of a deep water wave with a wavelength ë is given approximately by v = (gë/2ð)1/2. Find the speed and frequency of a deep water wave with a wavelength of 5.5 m. ? m/s ? Hz can someone get me started with a formula? I lost my book :(

    asked by kelsey
  121. Phyiscs help 3

    The height of a tower is measured by attaching a simple pendulum to its ceiling, whose length is barely enough to stay off the floor. The pendulum is let go from a small angle, and takes 13 s to return to the same location it started from. a.) How tall is

    asked by kelsey
  122. history

    describe the efforts between the 1850's and 1870 which resulted in the unification of italy

    asked by Lisa
  123. Math question

    Solve: x^2 +4x+1=0 Is the answer 2+-sqrt2?

    asked by Shawn
  124. ethnics

    here is the assingment i do not know if he wants me to answer all of those for the four groups what dose it sound like to you guys and can you help. Assignment: Hispanic American Diversity • Resources: Racial and Ethnic Groups, the University Library,

    asked by angela
  125. business

    Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might

    asked by Anonymous
  126. environmental studies

    i want information on wild flowers

    asked by piyu
  127. Finance (common stock)

    I need a formula for: A share of common stock of xyz ltd is expected to pay no dividends until next 2 years but at the end of year 2 it will pay $2 as dividends. Dividends are expected to grow at 4% per annum into indefinite future. Assume that the

    asked by Help Please
  128. math

    the diameter of a cylinder is one half the height. Express the total surface area as a function of the height h. Can someone please help me with this question

    asked by phil
  129. Math help 2

    Solve: x^2 +8x

    asked by Shawn
  130. Finance (common stock)

    I need a formula for: A share of common stock of xyz ltd is expected to pay no dividends until next 2 years but at the end of year 2 it will pay $2 as dividends. Dividends are expected to grow at 20% per annum in yrs 3 and 4 and thereafter they are

    asked by Help Please (correction)
  131. Math

    Find the mode of the following list price: 1.67,1.29,0.79,1.29,0.89,0.89,0.79,1.67,0.79,0.57, and 0.79 Can someone show mw how to do this please?

    asked by Debbie
  132. life science

    how do I create a concept map using the following: animal call, glucose, oxygen, carbon dioxide, atp, mitochondria, and cellular respiration?

    asked by duke
  133. english

    Change the sentence to indirect speech. The lion said to the hair,'I am going to eat you.'

    asked by ra ny
  134. government

    Today "freedom of speech" is limited in interest of public safety by the clear and present danger test. do you feel this is a good standard?

    asked by ViVi
  135. social studies

    what are three basic values of american democracy

    asked by sabrina
  136. government

    does anyone know any website that I can find about Government law to answer the following question? [c] Comrade Nikolai, a communist, wishes to hold a Saturday rally in LeBard Stadium at Orange Coast College, but several Costa Mesa citizens object. [d]

    asked by dt
  137. Math help

    Which of the following quadratic equations has -4 and 3/4 as the solutions? a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7) c.)x^2+(30/7x)+(25/7) d.)x^2-(13/4x)+3 I substituted the values and I have the answer as (a.)

    asked by Shawn
  138. Social Studies

    Could someone tell me whether these answers are correct? Every culture has a __________ or a way of oganizing people Social Structure? In the past it was hard to move from one __________ to another. Social Class? The size of a _________ can differ from

    asked by OlaZlnka
  139. Books

    I want to read a classic that will inspire me to think outside of the box, what should i read. I am a freshman in High School.

    asked by Lisa
  140. Canadian Law

    What are some things that are in the Canadian Charter of Rights and Freedoms but is not in the Canadian Bill of Rights?

    asked by Lena
  141. social studies

    I am looking for enthic symbols for my German heritage. Can't seem to find any on the web. I am in the seventh grade

    asked by nathan
  142. History- The Constitution

    How does the elastic clause keep the Constitution "alive"? Give two examples of checks and balances.

    asked by Anna
  143. pre-algerbra

    write an algebraic expression for each of the quantities being comared. The attndance on tuesday was 350 more than double the attendance on monday

    asked by nancy
  144. math

    What are the first few steps to solving this system by the substitution method? xy=3 x^2+y^2=10

    asked by RiRi
  145. 7th grade

    explain the usefulness of algebra in modern mathematics.

    asked by greg
  146. advanced earthspace science

    how do you describe what takes place when condensation forms on a cold beverage on a warm day? ( maybe this question is more clear)

    asked by mayme
  147. chemistry

    is it possible for the reaction between two aqueous solutions to be neither endothermic or exothermic?

    asked by Anonymous
  148. english- vocabulary

    Fill in the blanks with homonyms: Can you ___ a good authority to prove that the ____ of this ancient city was discovered by an American? The ___ reason why I believe corey worthy of so important an office is that she is a woman of _____. Since you are

    asked by hannah
  149. Science

    I have my carbon NMR spectra and my product should not have any N in it but there are peaks for N-H secondary amines...the only nitrogen used was in the catalyst...this should not show up on the spectra, right? If it should not have how would I explain the

    asked by Kate
  150. english

    I am having a hard time coming up with a topic for an essay. The theme is 'A Day in the Life of ___' It has to be read aloud, so I am trying to think of something fun and am drawing a blank. Any ideas out there?

    asked by Sarah
  151. english

    would "the gloom and terror in the depth of the poor minister's eyes" be an example of personification

    asked by Anonymous
  152. Math Algebra help

    Solve w= (va)/(r^2+a^2) for a. is the answer a= sqrt[w(r^2+v^2)/v]?

    asked by Shawn
  153. Algebra

    Find a quadratic equation with integer coefficients whose roots are 2 and7.

    asked by Tisha
  154. algebra

    so would i do this: 82.1 - 86 = -3.9 now that i have the -3.9 would that be the final answer to the question "what is the deviation from the mean that day?"

    asked by ELLEN
  155. math

    -8a+6(a+7)=1

    asked by Lissa
  156. calculus

    find the following derivatives: f(x) = (2x+5)/(x^2-3) f'(x)= (2)*(x^2 -3)-(2x+5)*2x/(x^2-3)^2 is that correct??? f(x)= (lnx)(cos x) f'(x)= 1/x*-sinx or do i have to use the product rule?? thank you.

    asked by Dan
  157. pre-algebra

    -8a+6(a+7)=1

    asked by Lana
  158. Math help

    What is the y-intercept of f(x)=x^2+x-12? the answers are a.)(0,12) b.)(-72,0) c.)(0,-12) d.)(0,-72) I have the answer as (c.)(0,-12) is this right?

    asked by Shawn
  159. pre-algebra

    what is a factor

    asked by hannah
  160. pigskin geography

    i need ALL the answers to pigskin for the games played on November 9, 2008 i don't know what week that is though. PLEASE HELP ME! i cant fail this class.

    asked by desiree
  161. writing an essay

    describe the visible and invisible obstacles that obama has overcome?

    asked by genci
  162. Biology

    Are organisms critical to the completion of the water cycle? Why or why not?

    asked by Nicole
  163. writing a paragraph

    describe the obstacles that obama have to overcome in the future?

    asked by genci
  164. statistics health care

    Why are measures of central tendency essential to descriptive statistics?

    asked by marsh
  165. Algebra

    Solve: x^2 +4x+1=0 Is the answer 2+-sqrt2?

    asked by Shawn
  166. science

    your drink is a mixture.write down the names of any other mixtures that you drink.

    asked by Anonymous
  167. AED 203

    what is an interdisciplinary learning center?

    asked by Mimi
  168. french

    in french, do they use the inversion form of questions a lot? comme "I miss you" est "Tu me manques" ne pas "Je te manques"?

    asked by amanda
  169. english

    what can be the possible correct write up if you would feature the place where you haven't been?

    asked by hazel
  170. Math help

    Solve: x+5=x^2 I have (1+- sqrt 21)/2 Is that right or did I calculate something wrong?

    asked by Shawn
  171. Science

    What Acids Or Alkalis Do You Find Round The House ?

    asked by Georgia
  172. Communications

    Hi there, I am doing a project on Cadbury Chocolate and how to uses (external communication) could you give me ideas of what i should talk about? Or any useful websites or videos? Thanks.

    asked by Matthew
  173. Math help

    Solve: x^2 +5x=1. Use a calculator to approxiamte the solutions with rational numbers. is the answer -0.1925824, 5.65331193 ?

    asked by Shawn
  174. math

    can someone help me with this question. I am completely stuck. A box with a quare base and top has a volume of 20 meters cubed. The material for the base costs $7.00 per sq. meter, the material for the sides costs $4.00 per sq. meter, and the material for

    asked by phil
  175. Math

    The method used to calulate depreciation for federal tax purposes is the ? Is it the declining balance method

    asked by Debbie
  176. Math

    If the cost of a retailer's merchandise are rising, is this a trues statment? Using FIFO will lower taxes

    asked by Debbie
  177. pre-algebra

    what is a prime factoization

    asked by hannah
  178. pre-algebra

    the gcf of : 40ccd,42c

    asked by hannah
  179. Algebra help

    Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?

    asked by Shawn
  180. pre-algebra

    factor expresions: 2+16y and 4-16m

    asked by hannah
  181. Science

    I need a recipe to make a mesopotaimian brick

    asked by Dalton
  182. pre-algebra

    how do u factor an expresion

    asked by hannah
  183. Chemistry

    I'm having a difficult time understanding phosphorous-containing ions. For example, phospate is written as PO4 with 3- on top. I don't know what the 4 or 3- stand for. Please explain? Also if you could help me find out the symbols for phophite and hydrogen

    asked by Adam
  184. Model UN (Global)

    For the OIC council in Model UN, my third topic is Insurgency in South Thailand. I need to find out how Albania feels on this topic and can't find any sites or articles. Thanks

    asked by Anonymous
  185. accounting

    For each of the following items give an example of a business transaction that has the described effect on the accounting equation: increase an asset and increase a liability increase one asset and decrease another asset decrease an asset and decrease

    asked by Tracy
  186. Math Check

    Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?

    asked by Shawn
  187. chem

    What is the relationship between kPa and atm when dealing with measurements of pressure of a gas?

    asked by Anna
  188. health care

    How does gender and culture differences impact a patients care in home health care?

    asked by april
  189. Math help 2

    let f(x) = 12x^2 +7x-10. Find x such that f(x)=0 a.) -4/5, 5/3 b.) -5/4, 2/3 c.) -2/5, 5/3 d.) -5/3, 2/3

    asked by Shawn
  190. math

    How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day?

    asked by ELLEN
  191. science

    why do some animals have 4 legs and others 2

    asked by alyssa
  192. english

    Fiill in the blank with the correct tense of the verb in the bracket. His hard work----fruit and he wpn the painting competition.(bear)

    asked by mimo