Trig check my work please?

42,335 results, page 99
  1. Career

    Please check my answers. Thank you! The amount of goods and services that people want to buy. Producers Consumers Supply Demand* Question 2 (Multiple Choice Worth 10 points) (02.08 LC) Knowledge and tools that enable us to do new tasks more efficiently are
  2. calculus

    You work for the silver there is a home with a driveway 2 miles long extending to the house from a nearby highway. the nearest connection box is along the highway but 5 miles from the driveway. it costs the company $100 per mile to install cable along the
  3. Math

    How many integers are NOT perfect powers between 1 and 1000? It might be easier to count how many are powers and subtract that number from 1000. To do this you should first find the highest power of 2 less than 1000, then you'll know how high of powers you
  4. Foreign languages

    I left out these sentences on modals. Thank you, Writeacher. 1) It is likely that she has forgotten about the meeting. She may/might/could/should have forgotten about the meeting (are both “possibility” and “probability” included??) 2) I’m very
  5. French Check Ms. Sue

    Please check this. Thank you! 1. France is a country in Asia. true false*** 2. There are many countries in Africa where French is one of the principal languages of the people. true false 3. Québec, in Canada, is a French speaking part of Canada. true***
  6. Chemistry

    You are completing tests using a weather balloon and want to check the temperature at 3000 meters into the air. You check if the balloon will not burst before it gets to that altitude. You will need to perform a few calculations. The manufacturer of the
  7. improving it without changing its overall meaning

    Ever been assigned to work on a group project for class! Many students dread group projects: because one student typically does most of the work. Unfortunately for some, group work does not end when students leave school, many employers use teams to
  8. Calculus

    Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm. (a) How much work is needed to stretch the spring from 32 cm to 34 cm? (Round your answer to two decimal places.) (b) How far beyond its natural
  9. trig question

    NEW DIAGRAM: On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line
  10. chemistry

    overall balanced reaction: 14H+ + C2O7^2- + 6Fe^2+ -> 2Cr^3+ + 7H2O + 6Fe^3+ .5021g of impure sample containing potassium dichromate was analyzed by titrating a standard iron (II) sulfate solution. If 6.74 mL of 0.2312 N of iron (II) sulfate was
  11. Trig

    The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. What is the measure of x, in radians? ---------------- I know that angle 2x is in quadrant 4, but quadrant x...? I am not sure where it is and how to get
  12. trig

    Prove : (sinA-cosA+1)/(sinA+cosA-1) = (1+sinA)/cosA
  13. trig

    Please help me how to do this: 1) 1 + sina*cosa / (cosa + sina)^2 = 2) sina + cosa / 1- 2sin^2a =
  14. Accounting

    Hanover Corp. obtained the following information from its absorption costing accounting records: Operating Income = $24,000 Total Product Costs Incurred During The Period = $16,000 Value of Beginning Work-In-Process and Finished Goods Inventories = $0
  15. physics

    Force, Work, and Rotation Question? Please Help!? You are sitting on a stool that is free to rotate without friction, and you are holding a 2.0 kg weight in each hand (ignore friction and all forces external to you + weights system). Also ignore your own
  16. physics

    in which of the following is the most work being done by roy and which example roy doing no work? a)roy lifts a 5kg radio up 1 meter b) roy holds a 5 kg radio at a height of 1meter for 3 hours. c)roy lifts a 10 kg TV up 1 meter d)roy lifts a 10 kg TV up 2
  17. English

    Hello, I can't find the answer to these questions, What kinds of unwanted reactions might you get from readers of your messages whether it be negative, persuasive, or informative? Also, What steps would you take to ensure that the purpose of your message,
  18. Physics

    *I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we
  19. Math--Please Check!!!

    Hi, I asked this question yesterday and I was given help in how to solve it. After working the problem, I have came up with $575.27. The problem is: When Beth finishes college, she has a balance or $2876.37 on a credit card with an annual percentage rate
  20. english check

    A)all of the copies has been made b)none of the stores are on my way home. c)most of your friends is waiting for you inside. d)some of the promblems is for you to slove. im not really sure but it might be not sure if wrong please correct.
  21. math help!

    Directions are: Divide The problem is: (7x^5y^5-21^x^4y^4+14x^3y^3)/(7x^3y^3) what steps or better say where do i start. factor out common terms in the numerator. I see a 7x^3 y^3 that can come out. check that, I did it quickly.
  22. 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?
  23. language arts check

    4. The Latin word alius means "other." Which of the following words contains this root? alien alight alike** alignment
  24. Math (please check my answer!!)

    What other information must be given in order to be able to prove the two triangles congruent by ASA? i.imgsafe(.)org/c64c59dad9.jpg 1. T=S 2. P=S 3. P=R<<< 4. PQ=QR
  25. 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?)
  26. 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
  27. algebra

    Verify that the functions f and g are inverses of each other by showing f(g(x)) = x and g(f(x)) = x f(x) = x^3 + 5 g(x) = 3sqrtx-5 ( 3 is inside check mark on the sqrt. I am sooo totally lost on these!
  28. Physics check

    According to Bohr, an electron in an excited state could give off ..... a continuous cascade of photons for a high-level transition.
  29. Chemistry

    Calculate the molar solubility of barium thiosulfate in 0.0045 M Na2S2O3(aq). (Hint: Check any simplifying assumptions that you make.)
  30. 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
  31. English grammar check

    Can someone tell me if this is the correct use of the semi-colon: One more example of prejudice found in To Kill a Mockingbird, would be that of status; where you stood in society.
  32. 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'?
  33. Math 116

    _(Y-56)=y+56 is that right. Find an equivalent expression without parenthesis. Subtract _5/16-(-3/8)=1/16 is this right. Please check this for me. Please it seem my problem never get answer I did some last night had not hurt any reply.
  34. science/math (mean)

    Find the mean Sample Value 1- 41.93 2- 12.55 3- 48.07 4- 90.81 5- 18.45 6- 55.81 I came up with 44.60 the online program "said close but check to see if yo made a round error" and at least three decimal places

    what term would best describes the relationship between israel and palestinians? A) friendly B)prosperterious C)hostile**** D)distant
  36. english

    Since I'm doing a research paper now and i'm not sure if I accidentally plagiarize the contents when i try to paraphrase in my own words, so does anyone know any safe website that has a tool for me to check my essay
  37. Spanish

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

    Find the area under the standard normal curve between -1.32 and the mean, P(-1.32 < z < 0.00). (Give your answer correct to four decimal places.) 0.0968
  39. Child day care management

    I need to check my answers for exams number 00385300 working with school-age children
  40. math

    Check plz Jake Vought a hammer for $11.70 and four pieces of paneling for $7.95 each. If the sales tax rate is 6%_ how much change will he receive from $50.00 7.95*4=31.80 11.70+31.80=43..50 43.50*.06=2.61 43.50+2.61=46.11 50.00-46.11=3.89
  41. check geo

    a mild _______ climate is found in most southern europe. A)mediterranean B)tropical C)subtropical D)tundra my choose d
  42. History Check

    Was Thomas Jefferson the person who said this: "We the people of the United States, in order to form a more perfect Union . . . " ? Just making sure
  43. math check

    you and 5 friends go to a concert in how many different ways can you sit in the assigned seats? . . . . . . . . . . . A.720***? . B.120 . C.30 . D.15 (dont remember if i had posted this)
  44. math check

    I have a problem that I need checked it is the produce of the reciprocals of two consecutive integes is 1/182 Find the integers. I have as the answer -13,-14 or 13,14 is this correct?
  45. 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
  46. Math

    Use Pascal’s triangle to read off the coefficients of the powers of x in the expansion of (1 + x)n for different values of the positive integer n. Check the results for n = 3 by expanding (1 + x)3.
  47. check geo

    the us is a leading exporter of a.oil natural gases b.rice products c.beef and grain. d.cranberries and rasberries
  48. To-SraJMcGin(French)

    I posted my paragraph for you to check through once more, I made all corrections and even put it in english version, so that it's easier for you. Perhaps you never noticed it; I would really like to get it done by tom.
  49. Algebra 2

    Hey, I have another question. this I just don't understand. I'm really starting to get very confused!!! PLEASE HELP!!!!! Solve each equation by factoring. Check your answers. 3x^2+45=24x
  50. History

    Can someone check this? The organizational patter of the Gettysburg Address is: A. problem and solution B. Compare and contrast C. Chronological D. Order of importance***
  51. Geometry

    Ok so, I have to find the surface area of a triangular pyramid which is, S=B+1/2Pl and so far I've got S=10+1/2(8.7x6.7) which equals 39.145, is this correct? I just want to double check, if not, then I'd really appreciate some help!
  52. Teacher Aide-Pennfoster

    Im almost done finishing this course online and I need to check my answers for Exam number 02604500 Helping Abused Children please.
  53. Science

    Which word or phrase best describes the function of the urinary bladder? 1)filter 2)storage tank 3)blender 4)passageway I think #4, can you check for me? Thanks.
  54. Math

    Please double check me. Terry went on a 60 mile canoe trip. on first day, he traveled 21 miles. what percent of the total distance was that? 35%
  55. Algebra

    I was given a question, and it seems pretty easy but could someone check it for me? If there were thirty-two students in a class, and each shook hands with everyone else, how many total handshakes would there be? I got 496, can anyone else get that?
  56. 6th grade english

    I was just checking to see if anyone read my response to the information that you all gave me. I was asked to check back with you all. My post was at 5:49pm Thanks

    This is regarding to the super long post. Dr.Bob, did you actually check all of my answers? Do you want me to make several small posts now? By the way I don't understand how #1 is wrong!!!!!
  58. Social Studies

    In this section of the Mahabharata, Krishna talks about doing one's duty. 1. Ramayana*** 2. Veda 3. Upanishad 4. Bhagavad Please check my answer
  59. Algebra/very confused

    Solve the equation by finding the exact solution. I don't know if I am putting this right 3 In e = check mark over 7 and x -3 In6 Thank you it is appreciated.
  60. Ms Sue please check my answers !!!!

    All of the following advances in technology contributed to the Age of Exploration EXCEPT the mariner's compass. circumnavigation. the astrolabe. **** the caravel.
  61. chemistry

    At what temperature (C) will a gas sample occupy 6.1 L if it originally occupies 17.8 L at 27.1C? T1V1=T2V2 T1(6.1)=(17.8)(300.25) T1=876? Please check my answer
  62. chemistry

    At what temperature (C) will a gas sample occupy 6.1 L if it originally occupies 17.8 L at 27.1C? T1V1=T2V2 T1(6.1)=(17.8)(300.25) T1=876? Please check my answer
  63. English check answer !

    i think its C. Which of the following show the correct use of a colon? A. my tennis lesson begins exactly at 40:0 p.m. B. Dear: Ms.Hershel C.I have a doctor's appointment at 12:30 p.m.
  64. check geo

    A _______ is artwork that is painted directly onto a wall. A)mural my ans. B)mariachi C)jai alari D)mola
  65. Algrebra

    1: Dory bought 2 computers on sale for $210.99 each. He sold them to his friend for $240.00 each. What was his profit? -$52.99 -$58.02 ***** -$421.98 -$480.00 Please check;)
  66. 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)
  67. math

    witch of the ratio's does not form a poportion? A. 3/5 24/40 B.30/10 15/5** C.9/14 3/4 D.7/12 14/24 pleas check and do not put that messy stuff on here the comments blend in and i can't read them.
  68. math

    I know youall are very busy an that answering posts takes time, but I am in real need of some one to check my questions to see if they are correct, because I need to post my answers very SOON!! PLEASE HELP!!!! THANKS!!
  69. Literacy

    Can someone check this sentence with the word replacability? Did I use it correctly? This quote proves to the reader and demonstrates the cruelty and replaceability in their society.
  70. Math(Please check)

    Translate the following sentence into a mathematical equation: "The area, A, of a circle is the product of the number pi and the square of the radius, r." A=pi X r^2 Is this correct?
  71. Chemistry Check?

    Balance Chemical Equations; 1. C2H6(g)+O2(g)---->H2O(g)+CO2(g) Answer: 2C2H12(g)+2O7---->H12O6+2C2+O8
  72. Health

    please check my answer thanks According to OSHA standards, physicians must offer medical office personnel vaccinations against what diease ? I think it is Hepatitis B
  73. English

    Could you please check these sentences for me? Thank you. 1) She doesn't want me to watch it because she thinks it is a programme with no ideas, in which characters often shout at one another. 2) She gets on well with her younger brother. 3) They don't go
  74. Teaching dogs Tricks

    Please check my answer thanks Mimicking should be used only for behaviors that A. can't be elicited any other way. B. the dog can't perform well. C. are very involved. D. are difficult to lure I say A
  75. math check

    Consider a normal population with ì = 49 and ó = 6. Calculate the z-score for an x of 44.2 from a sample of size 22. (Give your answer correct to two decimal places.) 3.75 is what I got.. and I have only one more try on this one.
  76. Health/Specialty Exams and Advance Techniques

    please check my answer thanks What can be done while performing a cystoscopy of the bladder ? A. biopsy B. U/A C pyelogram D. catheterization I think it is A
  77. Math Check

    Find the volume when the solid has a base of the x-axis and a semi-circle of y=sqrt(25-x^2). My answer is 500/3. Is that correct?
  78. Math #3

    Which is likely to have a mass close to 3 kilograms? A: a 5-year-old child B: a bowling ball*** C: a lemon D: an adult lion Can someone check this plz
  79. Math check

    The middle 69% of a normally distributed population lies between what two standard scores? (Give your answers correct to two decimal places.) 0.69 and 0.31
  80. mathmatical analysis

    a loan of 4000 was repaid at the end of 10 months with a check for 4270. what annual rate of intreste was charged.
  81. Maths

    Question: I graphed -2x+y=-6 Y=-(1/3)x+1 & w/ the options No Solution, Infinante Solutions, or ( , ) I found the answer is (3,1) am I correct? What would be a better way to double check my answers?
  82. Math Ms Sue check

    How do you do these questions, I have all my steps done until the last one: 2x(2x)^2: 2x(4x^2)? Now do I multiply or add the big numbers? also Im having trouble on these: 1. x^2(xy)^3: x2(x^3y^3) 2. 3x^2(2x)^3: 3x^2 (8x^3) 3. -2x^2y(3xy^2)^2 4. -(3x)^2:
  83. Biology

    Could somebody check this formula for the structure of hyroloysis of lactose C12H22O11+H20 ...> C6H12O6H12O6 OBVIOUSLY THE FIGURES ARE ALL SUBSCRIPT Many thanks Is that not the molecular formulae ???
  84. Algebra, check please?

    5(N+2)=3/5(5+10n) And then I wrote down 5n+10 But what would do after that? I know that the equal sign basically cuts it inhalf so that it's two problems.. but I just don't know what to do from that point. Help please? -Allyson
  85. chemistry

    How many grams of hydrogen can be produced by the electrolysis of water with a current of 0.442 A running for 2.00 min? I got 0.000549g. can someone check my answer
  86. English

    Can you check this sentence please? He had such a fair complexion that if he were cut he would bleed white. He had short sandy hair and freckles on his forehead.
  87. Pre-algebra:Check

    1. How many ways can the letters in the word LINEAR be arranged? a. 360 b. 720 c. 120 d. 240 is the answer a?
  88. Math - Algebra 2

    I have tried several times to solve this. I have 3 points (0,-5), (3, -6), (-3,-7). I'm trying to get the quadratic equation. I keep getting y=(-1/6)x^2+ (1/6)x +0. When i plug in other numbers to check it's not the parabola facing down like my image.
  89. math11Plelase check

    Hi I need to write these systems of equalities in slope intercept form so I can graph them. 20x+4.5y<=60 and 12x+20y<=60. y=4 4/9x+ 13 1/3 (I think this is wrong) y=-3/5x+3
  90. Calculus

    1) The period of a trig. function y=sin kx is 2pi/k. Then period of y=sin^2(pi.x/a) should be 2pi/(pi/a)=2a, but somewhere it is given as a. Which is correct? 2) The period of r=sin^3(theta/3) is given as 3pi. How is it worked out? Is it because after
  91. math

    1.Social Security laws allow you can collect full social security benefits at age 67 however; the law allows you to retired early at age 62 with a 30% reduced rate of benefits. If your full benefits were $1,000 a month, what would your reduced amount be at
  92. science double check answers

    1. What is the alignment of the Earth, moon, and sun during a lunar eclipse? A)Earth, sun, moon B)Earth, moon, sun C)Sun, Earth, moon** D)Sun, moon, Earth I know that for a lunar eclipse the earth is in the middle, so i just wanted to double check 2.A
  93. chemistry

    The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn. For the following reaction equations, calculate the energy change of the reaction at 25 °C and 1.00 bar. Sn(s) + 2Cl2(g) --> SnCl4(l) ΔH°rxn =
  94. art

    Can some one help me with this art question. Not sure what exactly it is asking for. 1) Look at Las Meninas by Diego Velázquez and describe the formal qualities of this work in terms of its organizing space. Do the formal qualities working together create
  95. chemistry - Can you please check

    Calculate the amount (g) of each of the following salts that need to be added to a 200 mL volumetric flask to produce a 2 M solution of S. CaSO4 (NH4)2SO4 Fe2(SO4)3 Dr. BOB222, Could you please check the following? Thank you. CaSO4: moles x atomic mass =
  96. Chemistry

    Using the following information, identify the strong electrolyte whose general formula is Mx(A)y * zH2O Ignore the effect of interionic attractions in the solution. a. A"-is a common oxyanion. When 30.0 mg of the anhydrous sodium salt containing this
  97. English

    I write again,bcause yesterdeay nobody could really help we with this homework :( Hello everybody! Today a I have to write a complain letter to "my"boss.I should write about my difficulties,and about what's bothering me. In the letter I should propose a
  98. thermodynamics

    A heat engine, X, operates between a reservoir at 1000˚C and a body at 600˚C. Heat transfer to the heat engine is 1000 kJ and work output is 220 kJ. Another Engine, Y, operates between, the body at 600˚C and the atmosphere at 27˚C. Heat rejected to the
  99. Pre-Calc/Trig

    1. Find all possible values of k so that (3,5), (5,-1), and (k,8) are the vertices of a right triangle 2. Find all points with -x+2y=0 so that (x,y) is 5 units from (-1,4) 3. (f(x+h)-f(x))/h for f(x)= -5/(x+2) 4. The frequency of the sound produced by a
  100. English please help me

    Please help me to correct my English grammar. thank you. June 17, 2014 Dear sir, Good day, I regret when I resigned from your company but it’s my family’s reason. I am now presently working here in Maldives as a professional photographer and salesman