Questions Asked on
April 21, 2009

  1. English

    I need a more formal word or phrase for saying "beat up." My sentance is something like 'he beat him up' but i`m writing a formal piece so I need to substitute the phrase for something more formal. Any ideas?

    asked by Lena
  2. Math

    A group of students are traveling to Six Flags. One bus has 15 fewer than 2.5 times as many students as the other bus. Write an equation to find the total number of students. So, I was wondering if x = (n x 2.5) - 15, is correct?

    asked by anonymous
  3. math

    simplest form [9-b^2]/[b^2-b-6]

    asked by ferrer
  4. language

    My teacher said that my narrative poem has no rhythm and sound. can you please help me fix it? PLEASE PLEASE PLEASE!! The Best Of Friends John and Fred are the closest friends They hang all day everyday They do homework together They don’t ever fight. A

    asked by john
  5. chem

    The molecular formula is: Na(s)+ H2O(l)---->NaOH(aq)+H2(g) This is showing a single displacement reaction.I am not sure how to show the complete ionic equation, this is what I have so far: Na+(s)+ H+ H+O2-(l)---->Na+OH-(aq)+H2+(g) Is this how you show it?

    asked by Lenny
  6. poem

    my teacher said that my poem doesnt have any rhythm or sound. can you please help me fix it and make it better? PLEASE!!! The Best Of Friends John and Fred are the closest friends They hang all day everyday They do homework together They don't ever fight.

    asked by john
  7. organic chemistry

    Instead of using 1-propanol or 2-pentanol, a student decided to conduct the same reaction you did starting with 2,4-dimethyl-3-pentanol. What product(s) would you predict for this reaction? Show a mechanism to account for any products you propose. How do I

    asked by spirit
  8. math

    how would you create an equation for sec(2x) using only sec(x) and csc(x)?

    asked by marie
  9. Chemistry-Repost

    Known: Cyanaocetic acid Ka=3.55*10^-3 ionization equation: HC3H2NO2 H^+ + C3H2NO2^- Unknown: pH of 0.4M of Cyanaocetic acid How can I find out the pH of 0.4M of Cyanaocetic acid ? Is there another way solving for it other than using ICE chart? Please help

    asked by anonymous
  10. chem

    4Fe(s) + 3O2(g) → 2Fe2O3(s) Identify the type of chemical reaction represented by this equation. is it redox?

    asked by Anonymous
  11. chem

    2Na(s) + 2H2O(l) ==> 2Na^+(aq) + 2OH^-(aq) + H2(g) What is the the net ionic equation because it doesn't look like their is any spectator ions.

    asked by Lenny
  12. college

    American Rhetoric: Citizen Kane what are some rhetorical devices, falacies, bias, arguments, and counterarguements in this speech.

    asked by Sarah
  13. math

    as a fundraiser students had to raise $1200. They will sell popcorn,at the games history shows that there are usually 120 bags of popcorn sold each game. How much money should they charge if they work 6 games.

    asked by janice
  14. math

    As a fundraiser students had to raise $1200. They will sell popcorn ,at the gameshistory shows that there are usually 120 bags of popcorn sold each game. how much money should they charge if they work 6 games?

    asked by janice
  15. math

    how would you find the intersection of these three lines -209x+323y=28677 88s+1012y=93412 -31x+21y=2299

    asked by marie
  16. bio

    Determine the number of colonies counted on the LB plate in the following transformation experiment. The amount of plasmid on the plate being counted was 0.04 micrograms. The transformation efficiency was calculated to be 4 x 10^3.

    asked by Frank Minimi
  17. English

    I am writing a comparative essay and I am creating my introductory paragraph. Should I start it with my thesis?

    asked by Lena
  18. engr. econ.

    homeowener is considering refinancing his home. original amount of the 30 yr loan was 250,000 at 12% compounded monthly. The owner has made ten years of payments. how much is the remaining balance on the loan. this is what I gotL r=12%, m=12,

    asked by jen
  19. math

    Are diagonals longer shorter or the same size as a regular pentagon's sides?

    asked by Alice
  20. Database

    22. Which one of the following schedules has a conflict? A) Sa: r1(X); r1(Y); r2(Z); r1(Z); w1(X); w1(Z) B) Sb: r1(X); r2(X); r1(X); r1(Y); r2(X); w1(Y) C) Sc: r1(Z); r2(X); w1(Z); r1(Y); w1(Z); w2(X) D) both a and b

    asked by Frank
  21. Math help

    Complete the given ordered pair s for the equation x-1=0 X-Y 1 2 -3

    asked by Bryan
  22. mat

    Is their a free online calculator to graph linear equations? How do you graph x=y+3

    asked by Bryan
  23. chemistry need help

    Contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior.

    asked by peter
  24. Language Arts

    We have state testing this week [CRCT] and I'm reviewing for the Language Arts part. 8th grade students are required to know a ton of stuff by this time, but one thing I don't understand is simple, compound, and compund-complex sentences. They confuse me

    asked by mysterychicken
  25. Business

    why is market segmentation important? what are three ways firms can segment consumer markets

    asked by Bryan
  26. Business

    Posted by Gina on Monday, April 20, 2009 at 2:39pm. what is ethic of following situations? 1) A researcher plans to code questionnaries in an employee survey using invisible ink. 2) A researcher is planning to videotape users reactions to a new product in

    asked by Gina
  27. Physics

    A cylinder and a solid disc are released from rest from the top of a ramp.They roll down the hill without slipping. Which statement iscorrect? a. The cylinder reaches the bottom first b. The disc reaches the bottom first c. They both reach the bottom at

    asked by Sandy
  28. math

    which line is perpendicular to the line whose equation is 5y+6=-3x? 1) y= -5/3+7 2) y= 5/3+7 3) y= -3/5+7 4) y= 3/5+7

    asked by Anonymous
  29. database

    How many conflicts are there in the schedule Sa: r1(Y); r2(Y); w1(Y); r1(Z); w2(Y); w1(Z)

    asked by Frank
  30. math

    what is the slope of 5x+3y=6 what is the slope of 3x-5y=2

    asked by Bryan
  31. Government.

    The main reason why the Constitution dealt specifically with the crime of treason was that: A. The framers wanted to prevent all treason in order to protect the democracy. B. Treason was not considered a serious crime before the Constitution was written.

    asked by Jonathan
  32. business

    Construct and support an argument on your decision to pursue an MBA degree to further your career, or start or achieve a goal. About 900 words.APA formated. Can someone please help me?

    asked by SIMPLE
  33. chemistry

    how can i tell if a molecule has one of the following features -incomplete octet -expanded shell -odd electron molecule for example BCl3 is incomplete octet but i don't know why also for B when speaking about lewis structures and the octet rules, does it

    asked by ashley
  34. history

    show how immigration has helped to shape America and describe some of the barriers immigrants have faced in their struggle for equality i'm stuck on this question my teacher said the best answer will begin with colonists and go up through Irish/ Asian

    asked by history
  35. English

    Hello! Next Tuesday I am teaching a class for the first time! (I am still a student) This class is going to be graded.So, the class lasts for 45 minutes.My topic is breakfast.I am teaching young learners of english as a foreign language ( first graders - 7

    asked by laxy
  36. To FRANK or SUE - re DATABASE

    1. Please release your Caps Lock key. 2. Copying/pasting is clearly not working for you. Please type in your question by hand.

    asked by Writeacher
  37. critical thinking

    what word or phrase shows that a conclusion is up ahead

    asked by Dave
  38. catering

    According to your study unit, a catering resource that offers global networking for caterers, mentors, a caterer's telephone hotline, and many marketing opportunities is the A. International Caterers' Association. B. National Restaurant Association. C.

    asked by barbie
  39. physics

    a bimetallic compound strip of brass and iron is 10cm long at 20C. When heated over a Bunsen burner flame the temperature of the brass rises to 800C and the iron to 750C. Calculate the difference in lengths of the iron and brass. (Ignore the bending

    asked by cynthia
  40. anatomy

    What is the kcalorie value of a meal supplying 110g of carbs, 25g of protein, 20g of fat, and 5g of alcohol? Please help show work

    asked by lizzy
  41. U.S History

    What are the family origins of Latinos and of Chicanos?

    asked by Taye'
  42. medical

    You need to speak to someone about additional coverage to Medicare Parts A and B. Which of the following organizations should you contact? A. TRICARE C. CHAMPVA B. Blue Cross and Blue Shield D. Indian Health Service

    asked by Anonymous
  43. Government.

    The main purpose of a city's charter is to: a. create a boundary with the county b. set out the city's basic laws c. provides a forum for public debate d. provides for an election of city officers I'm leaning towards B. But, could D be the answer?

    asked by Jennifer
  44. Probabilities

    Two dice are thrown and the sum of the number of dots on the dice are noted. The probability that the sum is neither 2 or 3 is?

    asked by Andrey L
  45. BIOLOGY

    What is the difference between PS-I and PS-II. where PS is for photosystem

    asked by humaira Siddiqui
  46. Probabilities

    An apartment building has 140 apartments, all renting at the same price. It is know that all the apartments can be rented if the rent is $250 per month, and that each increase in rent by $5 will result in one additional apartment becoming vacant. The rent

    asked by Andrey L
  47. Probabilities

    Company has 90 cars in stock with 4 cylinder engines and 290 with 6 cylinder engines. There are no other cars in stock. 130 of these cars, including 20 of those with 4 cylinder engines have air conditioning. One car on the lot is selected at random. The

    asked by Andrey L
  48. Probabilities

    A jar contains 2 red marbles, 3 green marbles, 4 blue marbles, and 5 yellow marbles. Two marbles are drawn in succession, without replacement. The probability that neither is yellow?

    asked by Andrey L
  49. Probabilities

    The odds in favor of snow today are 4:1. The probability it will snow today is?

    asked by Andrey L
  50. Probabilities

    A bag contains 5 red, 3 green, 12 white and 7 blue marbles. One is drawn at random. With is the probability it is green if it is not red or blue?

    asked by Andrey L
  51. chemistry help

    Why is hydrogen peroxide very soluble in water?

    asked by peter
  52. AED 200

    Help Please! Need some reliable sources for state mandated tests? I feel the test interefere with teaching. I found 2 websites with information but i still need one reliable reference.

    asked by Anonymous
  53. COM 220

    Below you will find 8 examples of thesis statements. Some a good examples and others are poor. Identify whether each statement is good or poor and your rationale for each decision. Participating in this exercises by not only stating “good” or

    asked by Shannon
  54. organic chemistry

    Instead of using 1-propanol or 2-pentanol, a student decided to conduct the same reaction (using Sodium Bromide and Sulfuric Acid) you did starting with 2,4-dimethyl-3-pentanol instead. What product(s) would you predict for this reaction? Show a mechanism

    asked by spirit
  55. Critical Thinking

    What is a true, non-subjective, factual claim.

    asked by Dave
  56. Pre Cal.

    If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct?

    asked by Jamie
  57. organic chemistry

    Write a mechanism to illustrate what will happen if the addition of bromine to trans-cinnamic acid is syn; what do you expect the melting point of the syn addition product to be?

    asked by janet
  58. organic chemistry

    Write a mechanism to illustrate what will happen if the addition of bromine to trans-cinnamic acid is syn; what do you expect the melting point of the syn addition product to be?

    asked by janet
  59. database

    Prove that for any relation R(X,Y) Select Select(R (X=x0) (Y=y0))) = Select (R(X=x0) and Y=y0)) What is an equivalent form of (Select(R (X=x0) or (Y=y0)))?

    asked by SUE
  60. geometry

    The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of the pyramid having a square base of length 250 yards and a height of 150 yards.

    asked by Kristen
  61. geometry

    A grain storage tank is in the shape of a cylinder covered by half a sphere. The height of the cylinder is 50 feet and its diameter is 80 feet. find the total surface area (including the base) and volume of the tank.

    asked by Kristen
  62. algebra

    3x-5=5x-3

    asked by meliss
  63. Algebra

    Let a be the value of the function when n is 0. The number of the first row of differences is b, the first number of the next row is c, and so on. The formula for the nth number of the series is: a + bn + cn(n-1)/2! + dn(n-l)(n-2)/3! and so on. Find the

    asked by Cassie
  64. physics

    A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^(2 ). The height of the lower part of the container is

    asked by seth
  65. social studies

    who was the leader of the first permanent colony?

    asked by thomas
  66. Poetry

    Which is has a more powerful expression when used in poetry.... a simile or a metaphor.... Why?

    asked by trish
  67. Grammar

    Am I using the word pungent correctly in this sentence: I almost gagged from the pungent odor of smoke. Am I using an apostrophe correctly in this sentence: My little sister couldn't sleep in the crib located in my parents' room forever. Also, can I have a

    asked by Twilight lover
  68. math

    What is the sum of root 50 and root 32? 1) root 82 2) 20 root 20 3) 9 root 2 4) root 2

    asked by Anonymous
  69. coverting time

    7 weeks to minutes or how many minutes are in 7 weeks and can you show how you did it

    asked by eric
  70. Pre Calculus.

    Can someone check my answers please!!! Simplify (tan ^2 theta csc^2 theta-1)/(tan^2 theta). My answer: 1 Simplify ((cos x)/(sec x-1)) + ((cos x) /(sec x +1) My answer: 2cot^2 x Find a numerical value of one trigonometric function of x if (tan x/cot x )–

    asked by Austin
  71. poetry

    Could you please give me a website with a rhyming dictionary?

    asked by Anya
  72. Clauses - Grammar

    Identify all the relative clauses in the following sentences. Which ones are restrictive and which are non-restrictive? How do you know? a. My sister Mary [who lives in Florida] is coming to visit us. = non-restrictive b. The girl [who had the most points]

    asked by Nora
  73. Circles (Conic Sections)

    I have no idea how to do these problems: Find an equation of each circle. 1. Center (3,5); tangent to the x axis 2. Center (5,-3); tangent to the y axis 3. Tangent to the x axis, y axis, and the line y=5 (two answers) I just really need help understanding

    asked by Amanda
  74. Chemistry

    How many molecules are in 112 grams of water? Can you show me the proportion for how to do this? Thanks for your help :-)

    asked by Angeline
  75. math

    an early flight lasted for 12 seconds. The plane flew 144 feet. What is the plane's speed in ft/s?

    asked by tanya
  76. math

    an early flight lasted for 12 seconds. The plane flew 144 feet. what is the airplane's speed in ft/min?

    asked by tanya
  77. Chemistry

    so if the equation I'm using is 3CuSO4+2AL(NO3)3 arrow 3CU(NO3)2+Al2(SO4)3 how many moles of CuSO4 would be needed to produce 8 moles of Al2(SO4)3? Would the answer be 8?

    asked by Marc
  78. Math

    I know the answer to this question, but I want to find a simpler way of doing it... ---Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S= 1+2+3+...+24+25, find the value of S. Thanks!!!!!

    asked by Sahana
  79. 5th Grade Recognition

    We're having our 5th grade recognition soon and we had to write a poem for our program. Our thyme is 'Soaring to New Heights.' I have written a poem and I was hoping for some editing from you. Here is the poem: We're tiny eggs lying inside our nest where

    asked by Anya
  80. social studies

    explain the importance of the language of the romans?

    asked by didi
  81. Chemistry

    My teacher says the correct way to predict/balance the equation AL+HCL yields H+AlCl3 is to balance it like this: 2Al+6HCl yields 3H2+2AlCl3. I don't get why there is a two in front of the AlCl3. Could you guide me through the logic of this please?

    asked by Angeline
  82. Song of Solomon

    Thank you for your earlier responses... I have another question to ask.... Have you ever read the "Song of Songs" by Ariel and Chana Bloch? If yes, compared to the Bible's version of the "Song of Solomon" (aka Song of Songs) which version do you prefer and

    asked by trish
  83. Physics

    What is the potential difference required to accelerate a deuteron of mass 3.3x10^27kg and charges 1.6x10^-19C from rest to a speed of 5.0x10^6m/s?

    asked by Lucy
  84. MATH

    HOW DO YOU REDUCE A FRACTION?

    asked by KRISTY
  85. History]

    How does war create unity? Im going from the perspective of that war brings people together to support the war especially when someone has friends or family members fighting and those back home have the support from other people that are going through the

    asked by Kara
  86. Physics

    An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in

    asked by Linn
  87. physics-thermal energy

    a volumetric pyrex glass is calibrated at 20C. It is filled to the 100ml mark with 35C acetone. What is the volume of the acetone when it is cooled to 20C(b=1.5x10^-4C-1)

    asked by garrick
  88. Percent Composition

    I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better

    asked by Jenn
  89. Math

    An Octohedron (8sided solid)with sides numbered 1 through 8 is rolled What i the probability of rolling a 6

    asked by Maya
  90. Laxy, English (ESL)

    As promised, now that I had more time: Known: class is about 45 minutes long first-grade students are about 7 years old the topic is breakfast Unknown: the ethnicity of the students the community where they live what is available in the classroom

    asked by SraJMcGin
  91. Science

    Does Francium or Cesium have the greatest atomic radius? Thank you

    asked by Jackie
  92. engr. econ.

    i have a cash flow chart here. From O to 5 years, there are five arrows pointing down even on zero and ending on five. The annual payment from 0 to five is 500 dollars. Then on 6 to 9, the arrows are increasing by a gradient of 50. So in year 6, it's 100,

    asked by Anonymous
  93. History

    This is my last question. I have now completed all six of my body paragraphs. This paper has caused lots of stress and confusion and I'm very thankful for your help. How does war make stronger, better, and more worthwhile human beings? Thank You!!!

    asked by Kara
  94. percentage

    a student has an avg of 57%. he has 2 test left which was are both worth 5% and 1 assigment worth 1 %. he also has 1 one big asigment worth 5%. how much would he need minimun in all these to get a 80% avg by the end of it?

    asked by math
  95. Physical Science

    Ok I need some help of course. Please help me! What are the kinds of Eletromagnetic waves? How many are there? Ultra violet, gamma rays, x rays... What are the rest of them.. Thank you!

    asked by sjsjfs
  96. Math

    I'm having problems with this question, to tell you the truth I don't understand the problem. Andrew is considering building a clubhouse in the shape of a rectangle. His sketch of the clubhouse is.... (its a drawing of a rectangle with 8 ft at the top and

    asked by Lemar
  97. Math check please

    A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. a)Find potential energy at 15mm: K=100Nmm*1000=100000Nm Ep=Kc^2/2 Ep=(100000*0.015^2)/2 Ep=11.25 joule (ans.) b)Find Ep at 65mm:

    asked by Henri
  98. Math

    Twenty equals four decreased by twice an unknown number. I need the equation and the solution please I'm almost finished!!!!!!!!!!!!!!!!!!!!

    asked by Briana
  99. social studies

    What are three unique qualities about this colony that would draw families to Europe to live in Pennsylvania?? I am doing a school report and I am stuck on this question!! Thanks ~Taylor

    asked by Taylor
  100. Interview/Questions (URGENT)

    Okay, I have to interview my partner for this assignment. What would be 10 good questions that I could ask him? What would you want to know about a person? Thank you very much for your assistance.

    asked by John
  101. ell

    1}why do desert people cover them selves from head to toe? 2}why do some animals stay underground during the day? please write soon thank you

    asked by lenny
  102. ACC220

    Select a management function (planning, directing and motivating, or controlling) and explain how that function relates to business as a whole. Next, select a different function listed by a classmate. Discuss with your classmate how the functions you each

    asked by meshelle
  103. MATH

    Suzy has a bag containing 3 red marbles, 2 green ones, 4 white ones, and 6 purple ones. She grabs 5 of them. Find the probability that she has 2 red ones and 1 of each of the other colors. Express the answer as a fraction in lowest terms.

    asked by Sabrina
  104. social studies

    What is the key aspiration people in Pennsylvania???? I am reseaching Pennsylvania for extra credit....

    asked by Courtney
  105. chemistry

    I'm filling out those missing value charts with atomic numbers, protons, charge, etc. The info i've been given is protons (4), neutrons (5), electrons (2). I got 4 for th eatomic number, and 2 for the charge. The problem is the atomic mass. Once I got 6,

    asked by Angeline
  106. math

    which line is perpendicular to the line whose equation is 5y+6=-3x? 1) y= -5/3+7 2) y= 5/3+7 3) y= -3/5+7 4) y= 3/5+7

    asked by Anonymous
  107. physics - please explain further

    Can someone please explain the answer I got for a question I previously posted on this page? I don't understand the solution I was given and even when I try it, I'm not getting the right answer.

    asked by Lucy
  108. College Math

    Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.

    asked by Sabrina
  109. geography-immigration

    does anyone know where i can find a list of famous people that have immigrated into Canada??? please help!!! i need to know this to study for big test!!!

    asked by martha
  110. 6th grade

    How is a unit rate lie a ratio? How is it different?

    asked by Hashu
  111. Chemistry

    1. Hydrogen bromide(HBr) is a strong, highly corrosive acid and what is the pOH of a 0.0375M HBr solution? a)12.57 b)12.27 c)1.73 d)1.43 I can't fogure out what the answer should be as I don't know whether 0.0375M is the [H^+] or [OH^-] If 0.0375M is the

    asked by anonymous
  112. 11

    What was one of the causes which led to the restriction on immigration?

    asked by Anonymous
  113. science

    Please help me and thank you! I need help I don't now what are the frequency for Radio waves, microwaves, ultra violet, gamma rays and x rays? Thank you!

    asked by sjsjfs
  114. Physics - important

    An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in

    asked by Linn
  115. Social Studies

    How might irrigation help a region's economic development?

    asked by Tanisha
  116. Percent Composition

    I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better

    asked by Jenn
  117. Math

    At a sale Jean received a discount of $10.00 on a coat marked $80.00. What was the rate of the discount?

    asked by Courtney
  118. 3rd grade

    What feature of light energy makes it different from other kinds of energy?

    asked by Casey
  119. Social Studies

    what are the main resources of Sudan in East Africa?

    asked by Tanisha
  120. math word problem

    from 8 a.m. to noon,the temperature rose 4F. From noon to 4p.m.,it fell 3f. From 4p.m. to 8p.m. ,it fell another 6f. At 8p.m.,the temperature was 72F.What was the temperature at 8p.m.?

    asked by unknown !!!!!!!!!!!!!!!!!!!!
  121. word puzzle

    made a loud , shrill , high sound. ( 8 letter word )

    asked by Eric
  122. Math

    A vehicle starts w/ a full tank of gasoline and travels 150 miles. While refilling the tank, the driver notes that the vehicle used (1/4) tank of gasoline in traveling the 150 miles. Assuming the vehicle averages 25 miles per gallon, approximately how many

    asked by Helen
  123. Brave New World

    Have any f you read "Brave New World?" If so, I would appreciate if you could give me a thesis, or rather a main idea that i could use for my essay. I am thinking of writing about how Huxley uses new vocabulary and how words have taken a new meaning.

    asked by Moi
  124. English

    Hi there could you help me with this question from the novel to kill a mockingbird. Discuss the theme of personal intergrity in relation to the novel. Use examples of people who are involved in bringing out this theme. The task i am having difficulty with

    asked by Taleisa
  125. Science!!

    Hi!! Why don't frogs have ribs? Please Help!! Thank You!! Bye!!

    asked by ~{HAPPY FACE}~
  126. math

    A pine tree casts a 12-meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain

    asked by Helen
  127. SCIENCE!! YIKES!!

    It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?

    asked by Samantha
  128. math

    A diameter of circle that has endpoints (-4,12) and (8,-2), as shown below, is in the standard (x,y) coordinate plane. What point is the center of the circle? Explain

    asked by Helen
  129. chemistry

    How would CO2 form from the reaction of 3-methyl benzoic acid with bis(trichloromethyl) carbonate (triphosgene)? Is it possible to form CO2 from a mixture of dichloro ketone in heat?

    asked by jason
  130. math

    Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer

    asked by Helen
  131. Civics

    what are the duties and responsibilites of the associate justice... in this present time...Thank you

    asked by mjjjff
  132. civics

    Where does the national board of directions take place in.( city,state)

    asked by mjjjff
  133. civics

    what was ruth bader ginsbergs accomplishments???

    asked by mjjjff
  134. Math

    Without graphing, describe the end behavior of the graph of f(x)= -5x^2-3x+1 as x starts from a negative value and increases the equation -5x^2-3x+1 curves up and peaks and comes down and passes the y-intercept at (0,1) to negative infinity. I don't know

    asked by Jon
  135. Math :(

    When football was played in Florence, Italy, in 1530, there were 30 more layers on the field than there are in football games in the United States today. How many players were on the field for each team in 1530?

    asked by Samantha
  136. English

    How do I write a research paper ? Like How many paragraphs do I have to have ? Please help me ?

    asked by Leyla
  137. Chemistry

    What is the molarity of a solution prepared by diluting 100g of NaH2PO4 to 1L?

    asked by Jessi
  138. Chemistry

    What weight of NaOH would be required to prepare 3000ml of a 2.5M solution?

    asked by Jessi
  139. Chemistry

    If you had 6 moles in a 600ml of solution, what would be the molarity?

    asked by Jessi
  140. Chemistry

    There are 200 mmoles NaOH/400ml. What is the molarity of the solution?

    asked by Jessi
  141. Chemistry

    How many grams of NaCL are required to make 250ml of a 0.4M solution?

    asked by Jessi
  142. HELP, Please, DUE TOMORROW!!!

    It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?

    asked by Samantha
  143. Math

    If f(x)= -4x^2 and g(x)= 2/x. Find [g0f](x) g(F(x))=g(-4x^2)= 2/(-4x^2)= -1/(2x)^2 -1/(2x)^2 = [g0f](x) This is wrong too, maybe it's suppose to be 1/(-2x)^2?

    asked by Jon
  144. CIVICS DUE TOMARROW PLZ ANSWER

    Ruth Bader Ginsberg is currently an associate justice. What are her duties and responsibliites

    asked by strait a student
  145. riddles

    what do you get when you cross a stick of dynamite with a lemon pie?

    asked by Anonymous
  146. Physics - urgent

    I already asked this and was given an answer, but I don't fully understand it and so would like a further explanation. What I asked was... An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of

    asked by Linn
  147. arabic

    i really need someone who is fluent in arabic to translate something for me "for what shall it profit a man if he shall gain the entire world and lose his only soul?" PLEASEEEEEEEEEEEEE

    asked by Brianna
  148. 1st grade

    is this a sentence the dog rolled in a mud puddle the dog is rolling in a mud puddle

    asked by Cindy
  149. Managerial Finance

    In general the larger the portion of the firm's sales that are on credit, what happens

    asked by k
  150. Pre-Cal

    Classify the conic and write the equation in standard form: (1) 9x^2 + 9y^2 + 18x - 18y = 0 (2) 16x^2 + 16y^2 - 64x + 32y + 55 = 0 (3) 6x^2 + 2y^2 + 18x - 10y + 2 = 0

    asked by strate a stoodent
  151. Civics PLEASE HELP

    Where can I find info on the National Board Of Directors from 1974 - 1980

    asked by pretty girl
  152. math

    Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer

    asked by Helen
  153. math

    If a,b,c,d, and x represent positive real numbers, what is the maximum value of the function f(x)= a[cosb(x+c)]-d?

    asked by Helen
  154. biology( heart)

    Is the right heart right lung bigger than the left heart and left lung? Could you please post legitmate links that will prove this or if not some sort of explanation. Thank You

    asked by Lou
  155. OChem

    Could someone explain these two reaction mechanisms (I know they are substitution): 1) 1-propanol reacted with H2SO4 and NaBr 2) 2-pentanol reacted with H2SO4 and NaBr does the carbocation rearrange for the second reaction? thanks for the help!

    asked by bee
  156. Business Law

    Why is it important to distinguish between the U.S. Constitution and statutory law?

    asked by Tara
  157. math

    5 months = to how many weeks?

    asked by snnisha
  158. Business Law

    What are the components of common law?

    asked by Tara
  159. math

    Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least -1, what is the minimum value of y-2x?

    asked by Helen
  160. Chemistry URGENT

    I'm filling out those missing value charts with atomic numbers, protons, charge, etc. The info i've been given is protons (4), neutrons (5), electrons (2). I got 4 for th eatomic number, and 2 for the charge. The problem is the atomic mass. Once I got 6,

    asked by Angeline
  161. math

    A pine tree casts a 12-meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain

    asked by Helen
  162. Math repost

    1)Without graphing, describe the end behavior of the graph of f(x)= -5x^2-3x+1 as x starts from a negative value and increases the equation -5x^2-3x+1 curves up and peaks and comes down and passes the y-intercept at (0,1) to negative infinity. I don't know

    asked by Jon
  163. Chemistry

    Write a word and balanced chemical equation for a burning candle. I know that the paraffin in the candle has the formula C20H42 , but I don't know what else to do...

    asked by Susan
  164. math

    Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least -1, what is the minimum value of y-2x?

    asked by Helen
  165. physics

    Whats the physics behind this? 3 balls are placed at the top of an inclined beam. The beam, attached to a spinning platform, is spun manually. As the platform and beam slows down, the first ball rolls down the beam. The beam instantly speeds up, but slows

    asked by Carlie
  166. math

    Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least -1, what is the minimum value of y-2x?

    asked by Helen
  167. Sciences fair (house insulation)

    K I have to write a report on housing insulation. I'm trying to find out when people first starting using it. Any ideas?

    asked by Kristen
  168. math

    An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How

    asked by Helen
  169. Chemistry

    lactic acid has a pKa of 3.08. What is the approximate degree of dissociation of a .35M solution of lactic acid? I do not know how to start it thanks!!

    asked by Rose
  170. Poem

    My teacher said that my poem doesnt have any rhythm or sound. Now after I corrected can you take a look and tell me how it sound as a narrative poem? John and Fred are the closest friends Never been suspend They ride to school together They sit and study

    asked by john
  171. science

    what are the five properties of equilibrium

    asked by jo