Trig check my work please?

90,377 results, page 29

  1. American Gov

    The major function of Congress: A)is to check the president B)is to inform the people C)is to enact legislation D)is to check the Supreme Court Is C the correct answer?
  2. chemistry

    A proposed mechanism for a reaction is: (i) A + B2 AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) is the rate...
  3. Spanish-SraJMcGin-Please check

    I had to describe a picture-the girl has a yellow t-shirt , a brightly colored skirt, blue sandals, purple necklace,two pink bracelets,green earrings. Could you please check? 1.Ella lleva los aretes verdes. 2.La camisa es brillante. El color es amarillo. 3.Su falda de colores ...
  4. Living environment(please check thank YOU Ms.Sue)

    Cause: When hydrochloric acid backs up into the esophagus Effect: called Acid Reflux Cause: As a result of the acidic ph in the stomach Effect: help break down food Cause: As the epigolottis covers the larynx, Effect: I NEED HELP WITH THIS Cause: when reverse peristalsis ...
  5. physics

    A child pushes a merry-go-round with a force of 80.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merry-go-round has a radius of 1.15 m, how much work does she do? If you could please ...
  6. algebra 2 help please/check

    The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...
  7. check

    How do I right a check for 1,400 dollars?
  8. Algebra

    Solve for x and check answer: Nx=4j-5x X=(4j)/(5+n) How do I do the check?
  9. Math- Check my answers please!

    1. x^9 over x^2 A)x^11 B)x^7*** C)7 D)x^5 2. h^14 over h^5 A)h^-9 B)1 over h9 C)h^19 D)h^9*** 3.4^4 over 4 ^6 A)-16 B)16*** C)1 over 16 D)-1 over 16 4.5^0 A)0 B)5 C)1*** D)-5 5.7^4 over 7^2_____ 49 A)<*** B)> C)= D)none of the above 6.–2r(8r + 5) A)–16r2 + 5 B)–...
  10. Business 101

    Please check my work. 1.The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called a blank buyout. A....
  11. language

    think about the work you completed in your reading role determine the ideas that would be most worthy to share in a literary discussion about walk to moons provide an explanation for your choices how did the role you selected and the work you completed help you to understand ...
  12. CAL

    consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. Please integral both ways both respect to x and to y. ANd please show your work and thank you
  13. math

    a tank was 10 percent full and contained 30l of water what is the full capacity of the tank please dear lectures it is not my homework i am poor in math and tommorow is my test if i could please get the work now
  14. Check my work please!

    How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces c) subduction causes the ocean floor to sink into deep-ocean trenches d) subduction causes metamorphic rocks to form ...
  15. trig

  16. Trig

    x[sqrt of 2] + 3x = 4
  17. trig

    let f(x) =4x^4-6 evaluate f(3)
  18. trig

  19. Trig

    What is sin x= 13/12
  20. trig

  21. trig

  22. trig

    6^(x-36)=52 solve for x
  23. trig

  24. trig

    2tanx = 3=0
  25. trig

    f(x)= 2sec(x-3.14/4)-1
  26. trig

    y=1/4 cos (2/3 x +3 pi )
  27. trig

  28. trig

    solve: 1/m=m-34/2m^2
  29. trig

    simplify (3x^2-5x+4)-(5x^2+7x-7)
  30. trig

  31. Trig

    Solve: (2/y+2)+(3/y)=(-y/y+2)
  32. trig

  33. trig

    50 feet
  34. Trig

    Solve 5^2x -4(5^x)=12
  35. trig

  36. Trig

  37. Trig

  38. trig

    What is cosx=1/2?
  39. trig

  40. algebra 2/trig

    x+5 1 ------- - 1= ------- x^2-2x x^2-2x
  41. alg/trig

    9/x + 9/x-2= 12
  42. trig

    proof that (m+n)^2/3+(m-n)^2/3=2a^2/3
  43. trig

    y= 3 cos(x+pi)-3
  44. Trig

    cos 13 pi = ?
  45. trig

  46. Calculus

    Greetings, So I've been working on this problem: H(x) = (x^4 - 2x +7)(x^-3 + 2x^-4) H'(x)= Kept on getting it wrong and I assumed it was an algebra mistake. After multiple tries I went to a few derivative calculators to check my work... What I saw was the calculators converted...
  47. Chem.

    If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY simple. I took a stab at ...
  48. Physics please check

    Please tell me where i went wrong. During an all-night cram session, a student heats up a one-half liter (0.50 10-3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19°C, and the beaker is filled to the brim. A short time later when the student returns, ...
  49. Algebra Work Check

    1. 5√6 * 1/6√216 5/6 * √1296 5/6 * √144 * √9 = 30 2. -9√28a^2 * 1/3√63a -3√1764a^3 -3√49a^2 * √36a -3*7a*6√a = -126a√a
  50. Please check my work!

    I try to write a summary for Mañana de Sol. So, can anyone please check my grammar and vocabulary? Thank you! “Mañana de Sol” dos desconocidos se encuetran en el parque y, aunque al comienzo no se dan muy bién, terminan por siendo amigos. Los dos personajes, que ya ...
  51. Trig

    prove sin(α+β)sin(α-β)=cos^2β-cos^2α please help... this is the only one I didn't understand out of all my homework...
  52. math

    A firm advertises for workers to address envelopes. Priscilla says she will work 100 hours. Herb will work for 80 hours. If each can address 10,000 envelopes in the time they work, how long would it take them to address 10,000 envelopes if they work together? i am lost, can ...
  53. Math Please check

    The electricity meter on Donna's house read 71,236.4 kwh at the beginning of March and 73,196.2 kwh at the end of March. She pays 7.4 per kwh. What is the amount of her electricity bill for March? Round to the nearest cent. I came up with $145.03 Would you please check to make...
  54. Reference Letter Updated

    I have to imagine myself as an adult who knows me as a student.Then I have to create a made up letter of reference for myself based on what I hope someone would honestly be able to write about me in the future. SO basically Im that teacher.. Paragraph 1. In this paragraph, ...
  55. English

    1. My father goes to work by car. 2. My father goes to work by his car. 3. My father goes to work in his car. (Which one is grammatical?) English - Jen, Tuesday, May 18, 2010 at 11:11pm I would say "my father drives his car to work". 1 is probably the most acceptable of those ...
  56. Language arts: check my answers

    For questions 7–15, rewrite each sentence, adding commas where needed. (7) While I was researching skateboards I found an interesting old newspaper story. (8) In the June 29 1999 edition of the Mercury there was an article on skateboarding. (9) Some scientists in San ...
  57. SCIENCE help?

    I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ...
  58. MATH please help

    Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each subject. Please help and show work it would be great thanks i really need help thanks
  59. MATHS

    A and B can do a piece of work in 10 days, B and C in 15 days, A and C in 12 days. A,B and C work together to finish the work. If they are paid $1500, how should the money be divided?
  60. English

    Could you please check these two statements, please? 1) At midday I went to my mother-in-law's (house) and I had lunch there. We had seven different kinds of starters. 2) The ones I liked most were breaded artichokes and watercress with cherry tomatoes and quail eggs. The one ...
  61. 7th grade marking period project

    I need help im a 7th grader that has to do a project. They want me to decide what the scale wil be for oyur scale drawing or model? use a unit of measurement that will be easy for you to work with? write thescale factor down. Show the work for converting the actual dimensions ...
  62. Math for 7th graders///////

    In a survey 182 people said they liked chocolate ice cream the best. This is 35% of all the people surveyed. How many people were surveyed??? Please tell me the answer and please show your work so I could understand how you figured it out!???
  63. Science 8A Check Answers

    Will someone please check my answers as I need lots of help in science. 1. Which of the following is an example of matter? A. leaves B. shadow C. light from the sun* D. sound 2. Which of the following is an example of a chemical property of matter? A. ability to melt B. ...
  64. Geometery

    A water storage tank is shaped like a circular cylinder with half of a sphere at each end. Find the volume of the tank if the cylindrical section is 100 cm long with a 40cm diameter. Use 3.14 for ~~ Be sure to round the final answer to two decimal places. (Here are my choices ...
  65. English

    1) If you listen to a normal conversation in English you will realise that large sections fall into (??) perfect iambs. An iamb is the most common stress pattern in English and consists of (is made up of??) an unstressed syllable followed by a stressed one. 2)Do you know where...
  66. Chemistry

    1. net ionic equation for the reaction between silver nitrate and the arsenate ion I got: 3Ag (+) + AsO4 ---> Ag3AsO4 2. net ionic equation for the precipitation of copper hexacyanoferrate (II). I got: 2Cu (2+) + [Fe(CN)6] ---> Cu2 [Fe(CN6)] Can someone please check and ...
  67. help ms.sue

    whats one opinion about leukemia.i all ready wrote a fact but i baerly know anything about it so i can not write a opinion please.this is just home work ? please help me ms.sue from, priscilla perez
  68. English

    Can you please check these last sentences,please? 1) How do you pronounce the word UNO (United Nations Organization)? 2) Unfortunately we couldn't find any vacancy for a cabin for the required period. 3) Where did he get inspiration for his book? 4) Who did he get inspiration ...
  69. microeconomics, please help me solve .

    The majority of the world’s diamonds comes from Country A and Country B. Suppose that the marginal cost of mining a diamond is $1,000 per diamond and that the demand schedule for diamonds is as follows: price quantity 6,000 5,500 5,000 6,500 4,000 7,000 3,000 8,000 2,000 9,...
  70. Quick French

    Les amies sont au salon. Elles ont une télé. Elles vont regarder un film. Vous etes au café. Vous avez 20 euros. Vous allez aller dans les magasins. Please check these 2. If there is anything wrong with them, please tell me so I can correct. Merci
  71. Physics please help

    Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the normal force?
  72. business

    Out of the types of businesses (sole proprietorship, partnership, and corporation), which has the easiest time obtaining money to expand their business. Why? Please note that we don't do students' homework for them. Once you have come up with a response to these questions, ...
  73. english

    . Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because I became completely ...
  74. Eng095

    Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. A. I must have been completely absorbed in my work, because I totally forgot about the meeting. B. Because I became completely ...
  75. english

    Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because I became completely ...
  76. Physics

    A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. (a) What magnitude of force must the ...
  77. JOB

    WHY CAN`T KIDS WORK Kids do a lot of work. They do their school work and help with chores around the home. Some kids who live on farms also help their families with the farm work. Some teenagers earn money by baby sitting or doing chores for other people. But kids can't get ...
  78. English

    PLease check my answer thanks :) One purpose of a summary is to include your own opinion on the topic or to save the reader time I picked#1
  79. Law and Ethics in Med

    PLease check my answer thanks :) Roe V Wade is based on what the fetus's right to be born after the dirst trimester
  80. Law and Ethics

    please check my answer thanks :) If a child is at risk for abuse or neglect the state will use Res ipsa loquitor. I said yes
  81. biology

    Can someone please check this defintion. What else can I put? Mutation=change to the base pair sequence of the genetic material of an organism What is 'Heredity'?
  82. physics: relativity

    I think I can rearrange the Lorentz contraction equation, solving for v using: v=sqrt[1-(L/Lo)^2] x c^2 Would someone check my thinking please? Thanks
  83. math

    I need to check my answer... please help... the prime factorization in powers of primes of the number: 16380. 5460 to the power of three is this correct
  84. algebra 1

    write an equation in slope-intercept form of the line that passes through the points: 1. (-5,3), (4,-5) 2. (-1/2,-1), (3,9/2) _____ my answers: 1. y=-8/9x-5 2. y=3/7x+5/2 please check.. thnx
  85. math-PLEASE CHECK

    using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7
  86. chem can u check answer please

    what is the hydrogen ion concentration of an aqueous solution with a pOH of 9.262? I got 5.47X 10 ^-10 is this correct? Thanks Andy
  87. English

    Can you check this sentence, please? 1) The subtitle to the novel is emblematic of Frankenstein's being an overreacher. He has to keep his face covered because of his horrible scars.
  88. MATH(please check only)

    Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that I think the answer is 0.65n = c
  89. Physics

    Hi, Which correctly expresses the relationship between wavelength (L), speed (V) and perios (T) of a sinusodial wavform ? a) L = T/V b) L= 2fxV/ T c) L= 1 / V x T D) L= V/T e) L = V x T f) L= V x T/ 2f I feel it is option (d) ..please check for me .. and thanx
  90. Art

    Thank you, Writeacher. Could you please check if everything is possible? 1) What does Pamela recount to her mum in letter XV? What does Mr B accuse her of and how does she apologize herself to him (or justify her behaviour)?
  91. Math

    Please check my answers, which are at the bottom of each question...:) remove brackets a) 4(a+3) d) 5(2+d) 4a+12 10+5d b) 3(2b+2) e) a(3a-6) 6b+2 4a-6a c) 7(3c-1) f) 2(x+y) 21c-7 2x+2y simplify the following: a) a+a+a+a d) a2 xa3 4a a5 b) a x a x a e) 3y+6z+2y-4z a3 5y+10z OR ...
  92. Algebra 2

    Can someone please check my answers? The question is: Write an equation for the perpendicular bisector of the line segment joining the two points. (-5,6),(1,8)= y=-3x+1 (1,4),(6,-6)= y=(1/2)x-(3/4) (5,10),(10,7)= y=(5/3)x-(17/3)
  93. math (check please)

    find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?)
  94. Science (Please check!)

    this device is a burner from an electric stove. it is used to transfer heat to a pot by a. conduction b. convection c. radiation I think c.
  95. Math! Please check!

    Okay, this is the link but without the spacing:::: h t t p : / / t a k e e x a m . n e x t . e c o l l e g e . c o m / e c / c o u r s e s /4 6 1 2 2 / C R S - M T H 2 0 3 A- 3 9 5 0 2 5 8 / G M T _ Q 1 1 _ 2 . b m p What is point P in triangle XYZ called? A- centroid B- ...
  96. Science

    which of the following helps ensure a groups access to resources it needs for survival? My answer is D. Territorial Behavior. Please check if this is right?..
  97. Spanish

    Countries of the Caribbean Basin generally share the same ______. A) traditions B) geography C) climate*** D) culture Please check my answer, thanks.

    Write an equation that would have a hole at x = 4 and a vertical asympote at x = -2. My answer was f(x)= (x-4)/(x+2) If it is not correct can someone please help me solve it and explain it to me? Thanks!
  99. Chemistry

    Hello. My teacher gave us a worksheet today she tried to explain it but I still don't understand it can someone help me please? 1) A jar is filled with mercury and has a volume of 500.mL. What is the mass of mercury in the jar? Show your work for credit. 2) GE's light bulb ...
  100. sentences

    Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please re-post. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including everyone can you find...
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