Questions Asked on
February 23, 2009

  1. accounting

    What would you pay for a $50,000 debenture bond that matures in 15 years and pays $5,000 a year in interest if you wanted to earn a yield of: (Round computations to 2 decimal places and use the rounded amounts to calculate the final answer. Round the final

    asked by joe
  2. physics

    You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. A worker pushes down on a piston at one end, raising the car on a platform at the other end. To handle a full range of

    asked by kate
  3. math

    The acceleration of a particle at a time t moving along the x-axis is give by: a(t) = 4e^(2t). At the instant when t=0, the particle is at the point x=2, moving with velocity v(t)=-2. Find the position of the particle at t=1/2 if you could show me how to

    asked by Dave
  4. Thermodynamics

    What is the temperature of a two-level system of energy separation equivalent to 300 cm^−1 when the population of the upper state is one-half that of the lower state? What does this "energy separation equivalent to 300 cm^−1" mean? I can get this far:

    asked by chemstudent
  5. physics

    please tell me if this is done correctly Find the final equlibirum temperature when 10.0 g of milk at 10.0 degrees C is added to 1.60 * 10^2 g of coffee with a temperature of 90.0 degrees C. Assume the specific heats of coffee and milk are the same as for

    asked by y912f
  6. TRIG!

    Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only! Responses Trig please help! - Reiny, Monday, February 23, 2009 at 4:27pm LS looks like the sum of cubes sin^6 x + cos^6 x = (sin^2x)^3 +

    asked by hayden
  7. transformation

    what is the image of (1,-6) for a 90 degree counterclockwise rotation about the origin? i guess it is (-1.6) is it?

    asked by jessica
  8. math - gr 12

    the social convenor has 12 volunteers to work at a school dance. Each dance requires 2 volunteers at the door, 4 volunteers on the floor, and 6 floaters. Joe and Jim have not volunteered before so the soicial convenor does not want to assign them to work

    asked by joanna
  9. geometry

    Find the geometric mean between 7 and 21 I do not have a clue where to start the equation given was extreme/extreme=mean/extreme so (mean)(mean)=(extreme)(extreme) help please

    asked by Terri
  10. trig

    sin^4 x = (3-4cos 2x + cos4x)/8 prove on one side please!

    asked by Rachel
  11. math

    the cost per hour of running an assembly line in a manufacturing plant is a function of the number of items produced per hour. The cost function is C(x) = 0.28x^2 - 0.7x + 1 where C(x) is the cost per hour in thousands of dollars and x is the number of

    asked by jenn
  12. CHEMISTRY

    For MgSe, which crstallize structure un the rock salt structure, the unit cell edge is 5.45A. Determine the internuclear distance between neighboring Mg2+ and Se2-, as well as the cation and anion radii.

    asked by SARITA
  13. physics

    a car traveling at 30.0m/s undergoes a constant negative accerleration of magnitude of 2.00m/s^2 when the brakes are applied. how many revolutions does each tire make before the car comes to a complete stop,assuming thaat the car does not skid and that the

    asked by nay
  14. Math+Log

    Simplify the expression: The first 7 is regular size and the log7x are small (the second 7 is subscripted only). 7log7x = would the answer be 1? How do you work this?

    asked by Chopsticks
  15. math

    If y = u+ 2e^u and u = 1+lnx, find dy/dx when x= (1/e) ?

    asked by Jeff
  16. poetry/The Planet on the Table

    what is the meaning of the poem "Planet on the Table" by Wallace Stevens i've asked this a lot of times but no one gives me the meaning. this poem is so confusing

    asked by Bella
  17. Science

    What is the process through which mid-ocean ridges (rifts) normally form?

    asked by Angie
  18. chemistry

    A current of 0.965 A is passed through 500 ml of 0.2 M solution of ZnSO4 for 10 min. The molarity of Zn 2+ after deposition of Zn is 1. 0.1M 2. 0.5M 3. 0.8M 4. 0.194M

    asked by hriday
  19. Probability

    Sharon was palying darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a

    asked by Bart
  20. College Level Probability

    Four different written driving tests are administered by the Motor Vehicle Department. One of these four tests is selected at random for each applicant for a driver's license. If a group of 5 applicants (consisting of 2 women and 3 men) apply for a

    asked by James
  21. Choosing High School Courses

    I want to major in something English or History related, probably Secondary Education, International Studies, or Journalism. I am currently enrolled in chemistry and I am doing horribly. Would colleges rather see me take chemistry and get a bad grade, or

    asked by Corinne
  22. Math

    Sharon was playing darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a

    asked by Bart
  23. Planning 10

    What does this mean? Discuss the difference between having self-control and bottling up your feelings? Give an example when each would be good or bad?

    asked by Windster5
  24. Anatomy & Physiology

    Okay, heres one of those questions that isn't easily found in lab manuals and text books (atleast mine). ALSO, if you have a source, could you please show me? It might come down to me having to prove the teacher that i'm right, that is if you're right.

    asked by Akashic
  25. Physics

    we are doing a really dumb websearch in my Physics class on roller coasters and I really need help with like 5 problems! For the websearch I need to cite it so if you could provide any answers I also need the website! thanks in advance!!! Q's 8. If you

    asked by honorsclass
  26. World Literature- Mary Wollstonecraft

    In Mary Wollstonecraft's "A Vindication of the Rights of Woman" where does Wollstonecraft use the rhetoric appeal of Logos?

    asked by Jennifer
  27. Trig please help!

    sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only!

    asked by hayden
  28. Algebra

    A train leaves Danville Junction and travels north at a speed of 75 km/h. Two hours later, a second train leaves on a parallel track and travels north at 125 km/h. How far from the station will they meet? I have no idea what the system of equations would

    asked by Willow
  29. math (geometry)

    The pre-image of a reflection lies in quadrant II and the image is in quadrant III. which line could be the line of reflection? a) y=x b) y=-x c) x-axis d) y-axis if you can then please do explain whay. i have no clue!!! thanks for your help!

    asked by jess
  30. hard probability question

    four different written driving tests are administered by the MVD. on of these four tests is selected at random for each applicant for a drivers test. if a group consisting of two women and three men apply for a license, what is the probability that a.

    asked by justin
  31. Chemistry

    The element copper, found in nature with an average atomic mass of 63.54u, consists of two isotopes, copper-63 of atomic mass 62.93u and copper-65 of atomic mass 64.93u. Calculate the abundance of each isotope. I can't come up with an equation to solve it;

    asked by Laila
  32. Chemistry

    What is the theoretical yield of calcium carbonate if 2.97 grams of calcium chloride dihydrate reacts with excess sodium carbonate according to the balanced chemical reaction shown below? CaCl2•2H20(aq)+Na2CO3(aq)->CaCO3(aq)+2NaCL(aq)+2H20(I) Please use

    asked by Bob
  33. trig help again i cant get any of these

    sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x) work one 1 side only!

    asked by hayden
  34. Trig check my work please?

    tan(X+30)tan(30-x)=2cos2x-1 / (2cos2x+1) i just did (tanx)(-tanx)=-sin^2x/cos^2x would that work?

    asked by Carry
  35. math

    I need help with this question for school tom. "Tisha is five years older than John. Alex is three more than twice Johns age. Sara is twice as old Tisha. If John's age is represented by A, what is the algebraic representation for the other ages?"

    asked by Austin
  36. 3rd Grade Social Studies

    How did Franklin D. Roosevelt use Natural/land productive Resources? How did he use Human Resources?

    asked by Yan
  37. Physics

    Which of the following contains the most mechanical energy? A 10 kg ball at the top of a hill 10 meters high A 5 kg ball rolling with a velocity of 12 m/s A 10 kg ball rolling with a velocity of 5 m/s A 5 kg ball at the top of a hill 10 meters high HELPS

    asked by myschic
  38. HCA 220

    Use 10 medical words discussed in this week’s reading to create a script of dialogue between two medical professionals.

    asked by Edna
  39. geometry

    Hi! I have a Geometry worksheet I need to get done for tomorrow. It's a really easy thing, I guess...but I'm a bit stuck. The measure of an angle is six more than twice the measure of its supplement. Find the measure of the angle. A. 58 B. 62 C. 118 D. 122

    asked by mathdork
  40. Science-Solar Radiation Receipt

    Why would the seasonal range (summer-Winter) in solar receipt be greater at 61 degrees North than at 40 degrees North?

    asked by Mia
  41. Science

    The warmest temperature occurs at _______ and why does the warmest daily temperature occur in mid-to-late afternoon rather than at the time if the highest sun angle? The coolest temperature of the day occurs at sunrise. Why?

    asked by Cathy
  42. business law

    Alpha Corporation in Boston offers a job to Carol, who lives in Des Moines, Iowa. Carol orally agrees with Alpha to work in Boston for two years. She moves her family to Massachusetts and begins to work. Three months later, she is fired for no stated

    asked by Carol
  43. Physics

    George has calculated that he can jump the gorge if the ramp is inclined to 45 degrees, and he attains a speed of 20 m/s. Will George make it? If not, how far short of the other side is he when he drops below the level of the ground? ----------------- What

    asked by Lucy X
  44. Science

    The percent of atmosphere above and below 16.8 km is?

    asked by cathy
  45. CHEMISTRY

    Examine the unit cell of a simple cubic lacttice and show through calculation that the simple cubic packing is 51%

    asked by SARITA
  46. Social Studies

    what are some important facts on LC Bailey?

    asked by kiki
  47. Chemistry

    A particular household ammonia solution ( = 0.97 ) is 6.8% by mass.How many milliliters of this solution should be diluted with water to produce 650 of a solution with = 11.60?

    asked by MMmm
  48. Attention Students

    Impersonating another person on this board results in you being banned from posting here -- for at least two days -- and maybe longer.

    asked by Ms. Sue
  49. 5th grade language

    Could someone check the sentences to make sure I understand helping verbs. Each studnet in the class _____ with the butterfly project. (help) has helped Our class ____ a garden to attract butterflies. (plant) has planted

    asked by Molly
  50. MATH/Probability

    our different written driving tests are administered by the MVD. one of these four tests is selected at random for each applicant for a drivers test. if a group consisting of two women and three men apply for a license, what is the probability that a.

    asked by Shaniqua
  51. Chemistry- I NEED HELP!

    A particular household ammonia solution (D= 0.97g/ml) is 6.8% by mass. How many milliliters of this solution should be diluted with water to produce 650 mL of a solution with pH= 11.65?

    asked by Pokadot Shorts
  52. lit/intro and 1st paragraph

    so here it is [ again ]: Daughter of Invention [underlined] by Julia Alvarez is a great example of how families struggle when they move to a totally new place. this family moves from the Dominican Republic to the United States Their family consists of the

    asked by Bella
  53. english

    Is this following sentence correct with grammar? If not how should it look By adding more options for the customers, the staff can then be responsible for promoting those new items and advertisements can be made to help draw customers back to the

    asked by Monica
  54. 10th grade Geometry

    How do you do this proof? "In circle O, line segment ABC and line segment ADE are secants. Prove that angle ADC is congruent to angle ABE. This is the diagram: img523.imageshack.us/my.php?image=diagram3.jpg

    asked by Tommy
  55. chemistry

    Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr.

    asked by Aimee
  56. Math

    I need to find the surface area and volume of a right regular hexagonal prism. The height is 10cm and the sides of its base measure 18cm. You round to the nearest hundredth.

    asked by Justin
  57. math (trig)

    how do you solve for x? 2cos^24x-1=0

    asked by Crystal
  58. chemistry

    Did mass appear to be conserved during this chemical reaction? In other words, did it look like there was more or less mass than what you started with? Simply describe what you saw, not what you think should have happened. Use complete sentences for your

    asked by Ashley
  59. algebra

    Christie makes a $9.25 purchase at the bookstore with a $20.00 bill. The store has not bills and gives her change in quarters and 50-cent pieces. There are 30 coins in all. How many of each kind are there? Are these the correct equations? x + y = 30 .25x +

    asked by Willow
  60. chemistry

    If you are given .060m. sugar (glucose-C6H12O6), .030m. AlCl3 and .025m. NaOH. How do you figur out lowest boiling point and lowest vapor pressure of the given solutions?

    asked by Aimee
  61. Chemistry

    How do you find rate of production of Cl? If you are given the inital rate to be 3.54e-5 and given measured data of .052[HgCl2] and .300[C204]? The equation is 2HgCl2(aq)+ C204(aq) goes to 2Cl+ 2Co2(g)+ Hg2Cl2(s). I thought that you may take the initial

    asked by Eliz
  62. Chemistry

    Question: the rate constant for the second order decomposition of NOBr(g) is .800 1 divided by MS at 10 degree's C. Suppose a 2.50 L beaker contains NOBr at a concentration at .0680 moles per liter. How much time does it take for 75.0 percent of the sample

    asked by Eliz
  63. Reiny+Damon

    Can you reply to my last math+log post =) thanks. I'm going to be having alot of math questions today.

    asked by Chopsticks
  64. Math

    I've missed a lot of math in the past few years so I'm a bit behind. I need to solve this question using reciprocals. 15.6 + 5.5 ------------- 18.1(11.1-9.2)

    asked by Lallie
  65. physics

    Friction converts kinetic energy to potential energy?

    asked by y912f
  66. biology

    A plant whose reproductive parts produce nectar is also most likely to a produce sweet-tasting fruit. b have no parts that can perform photosynthesis. c have brightly colored reproductive parts. d rely on wind pollination. e suffer significant seed loss to

    asked by Sarah
  67. calculus

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x(e^x^2)? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

    asked by Mike
  68. english

    Is a recommendation memo and a recommendation letter the same thing? I have to write a recommendation letter for my english class and I thought about writing it on recommending someone to a university for a graduates program is that a good topic

    asked by Jenny
  69. literature/new,revised intro

    this is my intro after i made changes: Daughter of Invention[underlined] by Julia Alvarez is a great example of how families struggle when they move to a totally new place. The family moves from the Dominican Republic to the United States. This family

    asked by Bella
  70. chemistry

    A aqueous solution of acetic acid with a density of 1.25 g/ml is 30.0% by mass HC2h3O2 (MM=60.0) Compute the molarity of this solution. I figured out that if you divide 30.0 by the molar mass 60.0g which gives you .5 mol. I cannot seem to figure out what i

    asked by Aimee
  71. English

    I have to write a justification memo. I have no idea what to write it on any ideas.

    asked by Jenny
  72. Math+graphing Log

    how would i graph log3x the 3 is subscripted? I remember that I had to make an X and Y chart and list the Domain and Range

    asked by Chopsticks
  73. math

    The area of the region bounded by the lines x=1 and y=0 and the curve y= x-e^x^2 is: A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

    asked by Joe
  74. math

    factor 1)n^2+8n+12 2)5a^2+11a+15

    asked by wildy
  75. Chemistry- please check my work

    Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr. I took 95.00g H20 divided by 18.0g. which

    asked by Eliz
  76. chemistry lab

    When 0.969 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 397C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked by tweety
  77. 10th grade English

    Please check any mistakes or maybe restructure some of the sentences. Need help ASAP Away, written by Michael Gow is an Australian play set in the summer of 1967-68. In the play, three unique yet in a sense stereotypical families experience their internal

    asked by Andy
  78. Geography

    How would you characterize the relationship between average temperature and the thickness of the troposphere?

    asked by John
  79. literature

    my first paragraph of the evaluative essay: "Daughter of Invention" by Julia Alvarez is a great example of how families struggle when they move to a totally new place. The main reason this story was such a big success was because of the use of character

    asked by Bella
  80. Physics

    Explain why the mass of the vehicle does not affect the calculated maximum or minimum velocities for cars on banked curves.

    asked by Talulah
  81. math

    How do you use RECIPROCALS to solve equations without variables. I do not want the answer to the equation. I want the steps to solving it with RECIPROCALS. Thanks! ex. 37.6 + 2.5 ----------- 48(7.8 - 10.5)

    asked by Lallie
  82. math

    How do you find the anti derivative of: [(e^x^2-2x)/(e^x^2)] ? ∫ [(e^x^2-2x)/(e^x^2)] ((The e^x^2 is: e raised to x squared)) if you could explain and show the steps too, thank you

    asked by John
  83. physics

    If a fist is 25g and it takes 400N of force to crack a board how fast will you have to accelerate your arm to crack the board?

    asked by Arch
  84. math - 1 paragraph

    Your friend is taking an algebra class that began one week after ours. Write out a paragraph or two, with examples if possible, explaining to your friend a general strategy for factoring in a very organized way.

    asked by candy
  85. Latin

    I am trying to write "there are many islands" in Latin. How do you say there? Or can you just start with "are"? Would many islands count as a predicate nominative, or is it would you go into the accusative tense? Thanks!

    asked by Leah
  86. data management (gr.12)

    how many different sums of money can you make with a penny, a dime, a one-dollar coin, and a two-dollar coin?

    asked by nat
  87. Science

    I am working with a graph and if at every 5.6 km you cut in half the atmospheric mass. So at 16.8 km wouldn't you have 12.5% of the atmosphere above and 87.5% would be below?

    asked by Cathy
  88. Math

    The area of a rectangle is 90m 2. The base is three less than three times the height. What is the perimeter?

    asked by Josh
  89. Math

    I am working on linear equations. Is this answer correct? -27=8x-5x -27=8x+ -5x -27=3x -27/3=3x/3 -9=x

    asked by Harold
  90. English

    When you use the word physical therapy in a sentence does it have to be capaitalized and When you say Mr. Edwards does the s need an '?

    asked by Monica
  91. CHEMISTRYYY!!!

    Calculate the ph of a 0.20 solution of KCN

    asked by MMmm
  92. CHEMMM

    Calculate the ph of a 0.20 M solution of NH2BR

    asked by MMmm
  93. college biology-drug metabolism

    You are interested in examining the metabolism of a new drug that has been developed in your company. Briefly describe how you would determine whether cytochrome P450 is involved in metabolizing the drug, and if so, which subtype is involved.

    asked by Natasha
  94. MATH

    how to find the amplitude and phase shift of : y= 3 + cos(5x+ pi/2)

    asked by Jasmine
  95. Vocabulary

    Wheels on this type of vehicle can retract a. a bicycle b. a station wagon c. an airplane d. a sailboat I feel like I should know the answer to this, but I'm not sure. It can't be a bicycle or a station wagon. So would it be an airplane or a sailboat?

    asked by Anonymous
  96. ISAT practice

    Ben sold 50 tickets to a basketball game. Adult tickets are $5 each and student tickets are $3 each. He collected $180 total. How many adult tickets did he sell? How many student tickets did he sell? I'm not too sure what math i should be doing.

    asked by Akhmed
  97. math - see if correct

    The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6. x = (5) the height of the sail is x+3 is the length of the base x+2?

    asked by mason
  98. chemistry

    what are general errors expected in a spectrophotometry lab?

    asked by tiffany
  99. chemistry lab

    please help its due at 5 When 0.671 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 109C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay

    asked by tweety
  100. geology(science)

    what are earths 4 subsystems? Is it..... Lithosphere,Hydrosphere,Biosphere, and Atmosphere?

    asked by scooby91320002
  101. CRIMINAL LAW - MARIJUANA

    what are 3 arguments you can use for and against the legalization of Marijuana?

    asked by sandra
  102. Algebra 1- 8th Grade

    How do you solve these types of problems? 1) 3 - n = 32 3m - 8n - 6 = 0 2) 2p - q = 8 1/3p + 1/4q = 3

    asked by Joy
  103. Geography

    I am writing a report for Geography about the River Tees . Where the river starts the source is this called the upper course? and where it ends is this called the lower course? thanks for help

    asked by Micha
  104. Math/Physics

    In a 9V circuit, all the resistors are 20 or 40 kilo Ohms. Convention says that calcs should therefore be quoted to 1 sig fig, since the volts are the least accuracy. 2 seems better though. Any ideas?

    asked by charlie
  105. Kite runner Map

    Map of Wazir Akbar Khan istrict of Kabul a map with three-dimensional aspects that includes (but not limited to) Amir’s home, Ali’s quarters, Ghargha Lake, the cemetery (pomegranate tree), bazaar, Cinema Zainab, Kabul River, bus station, kite maker’s

    asked by Runner
  106. L.O.

    How can we help at school and at school to help the problem of landfilled sites 1 page

    asked by Zaheer
  107. math - see if correct

    If the area is x^2+5x+6m^2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2)since the height is x+3 then we know the base is x+2. (is this correct)

    asked by mason
  108. english

    when someone asks could you have anticipated your friend's actions? what does that mean?

    asked by reily
  109. health HELP PLZ AND THANK YOU!!

    If I had magical powers and could do one thing to make my friends, my family, my neighbors and my teachers just a little bit more heart healthy, I would ... could i have some ideas on what to write about?? plz and thank u:) p.s. would need to involve all

    asked by beecca
  110. Math

    Find the slope of the line that goes through the given points. I think I figured out the answer but I would appreciate any feedback thanks! (3,-2),(-1,-6)

    asked by Jeff
  111. Aantomy

    How would damage to inter neurons in the spinal cord affect nervous system function?

    asked by Jane
  112. Planning 10

    What does graffiti vandilsm do to the image and cost of a school?

    asked by Windster5
  113. world civilizations (social studies)

    I'm supposed to find 5 examples of modern day patrons of the arts. PLEASE HELP! and explain why they are a contributor. thanks!!

    asked by emiilyyyx7
  114. Science

    When measuring the % of above the height. What fraction is above 6.19km? ________% and pressure is _______ mb

    asked by cathy
  115. chemistry

    what is the meaning of "accepted value" with respect to an experimental measurement?

    asked by Anonymous
  116. literature

    how would you start out an evaluative essay?

    asked by Bella
  117. circles

    What is the area and circumference of a circle with a radius of 3in.

    asked by Austin
  118. Unit of Inquiry

    I am a 5th grade student and my group has to research this question. I have to turn it in tomorrow and was given the assignment today. I am stuck can you please help? Thanks The question is: Why do people make things that ruin the environment?

    asked by Ezra
  119. Chemistry

    What is the difference between an amino acid and a protein? How does this difference in structure affect biological function?

    asked by Laura
  120. Chemistry

    kHow do you find the number of protons, electrons, and the charge of N^-1? What makes this different from just finding N? Thanks so much!!!

    asked by Luna
  121. Chemistry

    What element is symbolized by X?

    asked by Eric
  122. 12th grade

    what mass of copper may be produced when excess CuSO4 is reacted with 100g of aluminum metal?

    asked by carson
  123. English

    I wouldn't have thought this was a big deal but this paper is worth over half my semester grade so: In the essay there are 2 words im unsure of. They are "Society's problems." The problem I have is how to write "society's"...Do I write it as "Society's" or

    asked by Anonymous
  124. Trig check my work please?

    8 sin²(3x) cos²(3x) = 2 [2 sin(3x) cos(3x)]² = 2 [sin(6x)]² = 2[1 - cos(12x)]/2 = 1 - cos(12x)

    asked by Carry
  125. reading

    i don't get my home work i need help

    asked by tyler ross
  126. chemistry

    would the method of spectrophotometry or redox titration be a more accurate?

    asked by tiffany
  127. photography

    for photography class i have to copy a portrait photo that has different kinds of light. i am having the hardest time finding a famous black and white portrait photo that i could copy. any help? thanks!

    asked by anonymous
  128. English

    How would the benefits of adding more food options to a restaurant menu offset costs?

    asked by Monica
  129. Accounting

    Hi, I am having trouble figuring out the below question. Can someone please provide some guidance. Thanks! _____________________________________ It’s December 31, 2007 and you are about to close the firm’s books for the year. Just as you think

    asked by Leslie
  130. MATH

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x-e^x^2? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

    asked by Timmy
  131. 7th grade algebra

    I am supposed to match the function with its possible range. y=2x-1 is the probrem The ranges include -7,-4,-1,2,5,8 or -5,-3,-1,1,3 or 11,6,1,-4,-9,-14 or 4,3,2,1,0 Can you teach me how to figure this out???

    asked by Canyon
  132. Math

    Can someone help me with this: Descibe how to construct a histogram for a set of data and Describe how to construct a box plot for a set of data

    asked by Jack
  133. 4th grade english

    imitating Could someone please tell me what the prefix, base word, and suffix would be of above word?

    asked by Chad
  134. criminal law- calorie content

    what are 3 arguments you can use for and against the law requiring restaurants to display the calorie content in food?

    asked by sandra
  135. MATH

    What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x(e^x^2)? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please

    asked by Jimmy
  136. history

    how did the south with fewer supplies and resources manage to stall a northern victory for four years?

    asked by stephanie
  137. English

    I'm having extreme trouble with an homework assignment. Any help or spark of the mind will help. It is referring to "Thomas Jefferson on George Washington". The assignment is as follows... Write in the manner of Jefferson" a characterization of an

    asked by Joey
  138. Accouting

    Can someone help with the accounting question... If not, please let me know that you cannot help.

    asked by Leslie
  139. 7th grade algebra

    I am supposed to match the function with its possible range. y=2x-1 is the probrem The ranges include -7,-4,-1,2,5,8 or -5,-3,-1,1,3 or 11,6,1,-4,-9,-14 or 4,3,2,1,0 Can you teach me how to figure this out???

    asked by Canyon
  140. History

    French and Indian Wara synopsis of the position taken by the British Parliament? French and Indian War a synopsis of the position taken by thethe American Patriots?

    asked by Jones
  141. chemistry

    I work in a pathology lab and need to know what happens when formaldehyde is mixed with chlorine bleach...the chemical formula would be: H2C(OH)2 + NaClO Can anybody out there help me, please?

    asked by fishies
  142. geography

    In the river tees is the upper course at the begining where the source is and the lower course where the mouth is? thanks

    asked by Micha
  143. Chemistry

    How do you find generic rate of a reaction?

    asked by Anonymous
  144. Math

    antiderivative of (x-2)/(x-1)

    asked by David
  145. any subject

    give me info on any subject

    asked by tyler ross
  146. Social Studies

    How does voting, writing mails/emails, going on a talk show, speak in a radio show, join political parties, join protest groups, write an article influence the government and public policy? Once the government realize how important your beliefs are, there

    asked by Anonymous
  147. Anatomy

    How would damage to inter neurons in the spinal cord affect nervous system function?

    asked by Sara
  148. English

    If using the word president in a sentence is it capital. Refering to our countries' presidents.

    asked by Anonymous
  149. biology

    a. crossing-over b. plasmogamy c. mitosis d. karyogamy e. binary fission I know that is is not (a). Can you help me narrow it down any further?

    asked by Gail
  150. nutrition

    What are some of the health problems associated with anorexia nervosa, bulimia nervosa, and binge-eating disorder? Explain, from a physiological standpoint, how eating disorders may lead to health problems. Give at least three examples to support your

    asked by A. W.
  151. calculus help

    find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx

    asked by joel
  152. Math

    what do you get when you multiply (8w+2)(w+5)

    asked by Angie
  153. algebra

    solve and simplify 9^4/3 / 9^2/3

    asked by jaz
  154. calculus

    find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx

    asked by joel
  155. math

    What is the circumference and the area of a circle with a radius of 9.3mm.

    asked by awl
  156. Science

    Why does the energy from the sun decrease as the solar angle decreases?

    asked by Mia
  157. English Follow up

    Here is the Recommendation Memo that I wrote. The way that I set up is that way that it was in are book. Everything that I wrote is made up. Please feel free to add things or take things out. Can u please look at my grammar please. Thak you so much

    asked by Jenny
  158. 12th grade Data

    In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)

    asked by Josh
  159. Algebra 2

    R (p) = - 0.08p2 + 300p. Factor out the price on the right-hand side of the formula.

    asked by mason
  160. Math

    I needed to find the absolute and relative differences for these two stocks and write two complete sentences: MOD - 78.00 TRV- 3311.00 I found the absolute differences to be 3233.00 and -3233.00 and the relative differences to be 98% and -4145% My

    asked by Emily
  161. geography

    I need a climate graph for italy NOW!!!

    asked by s**
  162. Chemistry

    I am supposed to name the following symbol: 30 (subscript) 67 (exponent, but on the left side) Zinc. How would I name this? Would it be Zinc-30, or Zinc-67? Or would you subtract them or something? Thank you!!

    asked by Luna
  163. Math

    Let f(x) = (lne^2x)/(x-1) for x>1. If g(x) is the inverse of f(x0, then g'(3) = ? A. 2 B. 1 C. o D. -1 or E. -2 if you can show/explain how to get that please, thanks

    asked by Tom
  164. math

    how do i solve y less than or equal to -2x+1

    asked by grant
  165. Planning 10

    I need 2 people to answer this: In your own words, define the term "social responsibility". Thank you =)

    asked by Windster5
  166. Planning 10

    What does graffiti vandilsm do to the image and cost of a school?

    asked by Windster5
  167. math

    what is the period for: $ y= 7/ (cos (1/5)x)

    asked by Jasmine
  168. Algebra

    The perimiter of a lot is 190 meters. The width is one-fourth of the length. Find the dimensions. Here's my system of equations: 2w + 2L = 190 1/4L = w What would I do from here? I prefer the elimination method. Would I multiply the second equation by 4?

    asked by Willow
  169. grade 3 spelling

    what paper do you call that sounds like ten gram and it is in a shape of a square

    asked by sisi
  170. history

    Was the peasants support important in the success of the Reformation even though their revolt was crushed? THANKS! :)

    asked by anonymous
  171. english

    Is the grammar in this sentence correct? The best way to increase sales and satisfy customers complaints, the menu should be updated with new food items and more choices.

    asked by Monica
  172. trig!!

    sin^4 x (cos^2 x)=(1/16)(1-cos 2x)(1-cos4x) work one 1 side only!

    asked by Hayden
  173. english

    please correct this sentence while I was arranging books in order, I ran across some old books which I thought had lost.

    asked by ramesh reddy
  174. science

    what is the purpose of vertical exaggeration?

    asked by Anonymous
  175. data management (gr.12)

    ana finds 11 shirts in his size at a clearence sale. How many different purchases could ana make? the answer is 2047, any idea how to answer this? thanks!!

    asked by joanna
  176. Biology

    I have to do a paper on the parts of a cell, it can be anything, like a t.v. show script, but I don't have any ideas, does anybody have any ideas?

    asked by Holly
  177. geometry

    I need to know surface area!!!ofall the shape!!!!!and whats lateral area ?

    asked by Brandy Moore
  178. Science

    What does temperature have to do with thickness?

    asked by Cathy
  179. Planning 10

    What is the best/worst thing that could happen realstically if you do stand up for what is right?

    asked by Windster5
  180. MATH

    HOW DO U FIND THE UNIT RATE?

    asked by KAYLA
  181. algebra

    for the equation y=1/4(x+5)^2-2, what is the vertex

    asked by z
  182. see if this is correct

    If the area is x2 + 5x + 6m2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2) since the height is x+3 then we know the base has to be x+2

    asked by mason
  183. Vocabulary

    Proponent is to opponent as a. large is to big b. team is to player c. extract is to pull d. win is to loss I'm not sure about this one. I think the answer is c but I am not positive.

    asked by Anonymous
  184. English

    Is this sentence correct? The managers and employees will no longer have to listen to the customers complaining about the lack of food selections on a daily basis.

    asked by Monica
  185. georgia studies

    describe the exceptions in the drart laws in th north or south in the cival war

    asked by Anonymous
  186. math

    if the area is 56m^2 and the height is x+3 what is the base? is it x+2?

    asked by mason
  187. Planning 10

    Can someone please explain the importance of social responsibility and independent action to me?

    asked by Windster5
  188. science

    How can I find info on how to make a model bicycle?

    asked by Alex
  189. history

    how would you form a hypothesis concerning the success of the protestant reformation?

    asked by anonymous
  190. Spanish

    what does que bueno mean in english? *there is and accent over the "e" in que. i just cant figure out how to get it on there =]*

    asked by marcie
  191. Chemistry

    I am trying to complete one of those charts, where you find an element, its proton number, its electron number, it's charge, and whether it's an ion or an atom, based on looking at the Periodic Table. I get how it works, sort of, like for Lithium, you look

    asked by Corinne
  192. criminal law

    what are 3 arguments you can use for and against the criminalization of sex with someone under 17 that looks, acts, talks and even says that they are older?

    asked by sandra
  193. Physical Science

    Explain how you would test to see if palladium is a metal?

    asked by Taylor
  194. 5th grade

    1/2 x 50 =

    asked by Anonymous
  195. Planning 10

    What advice would you give to someone who wanted to help a situation by providing information, but were too afraid of being considered a "rat"?

    asked by Windster5
  196. criminal law - talking on cell phone

    what are 3 arguments you can use for and against the law restricting people from talking on the cell phone while driving... even with a headset?

    asked by sandra
  197. math

    what is greater 2 feet or 26 inches

    asked by devin
  198. CRIMINAL LAW- MUSIC

    what are 3 arguments you can use for and against the criminalization of music that glamorizes drugs, crime andthe degradation of women?

    asked by sandra
  199. Algebra

    Find the slope of the line that goes through the given points. I think I figured out the answer but I would appreciate any feedback thanks! (3,-2),(-1,-6)

    asked by Rachale
  200. peopleTRILLIAMACADEMY

    WHO IS ULLUSIS S GRANT

    asked by RICH W
  201. chemistry

    If the molecular mass for a chemical is 64.10 g/mol and the enthalpy of formation is -63 kJ/mol, the heat change will be _____kJ when 10.0 g of this chemical is formed.

    asked by tweety
  202. CRIMINAL LAW - SPANKING KIDS

    what are 3 arguments you can use for and against the criminalization of parents hitting/spanking their children for any reason?

    asked by sandra
  203. Physics 30

    How do you figure out if a collision is elastics or inelastic, when it is dropped and then bounces? Do you figure out the velocity and then put that in the Ek formula?

    asked by Jodine
  204. CRIMINAL LAW - N word

    what are 3 arguments you can use for and against criminalizing the use fo the N word?

    asked by sandra
  205. Economics

    If there is a price change of 30% and the quantity demanded decreases by 50%, then the elasticity of demand is _____. Is this good elastic or inelastic?

    asked by John
  206. Human Resources

    How to develope a tables,charts,and graphs that will display data needed for reports.

    asked by Keisha
  207. 5th grade

    4/9 x 12 ---------------------- --*

    asked by Anonymous
  208. math

    what is a domain? what is a range?

    asked by olivia
  209. Eng. Ms. Sue

    What would some pro's and con's be for charging for air? What would some pro's and con's be for charging for water?

    asked by Monica