Trig check my work please?

90,377 results, page 27

  1. math

    mr. pursley, have you ever worked geo., trig. etcwith no calu.s with the heat on , when it had to be right?wheather you blew up your target or something else or the bld. collapsed or was built in the correct place? i'm not an answer grazer, but qam an answer seeker.I'm trying ...
  2. Literature

    What is the meaning of this quote:"The main reason people struggle financially is because they have spent years in school but learn nothing in money. The result is that people learn to work for money but never learn to have money work for them." I know that this is a very easy...
  3. math

    I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide ((z^2-1)/16z+16) / ((z-1)/4) 7.) ...
  4. Physics

    62kg person in an elevator is moving up at a constant speed of 4.0m/s for 5.0s a) calculate the work done by the normal force on the person. b) calculate the work done by the force of gravity on the person . c) How would your answer change if the elevator were moving down at 4...
  5. Business Law

    Which of the following is true about determining whether someone working for another is an independent contractor or an employee? a) The classification of the person doing the work depends on that person's job title. b)The classification of the person doing the work depends on...
  6. trig

    3x - y = -4
  7. trig

    k?
  8. trig

    (x^3 y)/(y^(1/2) x^(-2) )
  9. Trig

    (2/y+2)+(3/y)=(-y/y+2)
  10. trig

    (1/m)= (m-34)/(2m^2)
  11. trig

    y= -(x-5)2 -3
  12. trig

    3e^2x=18
  13. trig

    u = (9, 2) v = (-5, -2) 2u - 3v = ?
  14. Trig

    2x^2+2x>4
  15. trig

    an=(-1)n+1/2n
  16. Safety

    who is the father of occupational medicine in the United States I can't find anything on the web. Here is my suggestion: At the school, check the encyclopedia under Public Medicine, and Occupational Health. If that fails, call the local Public Health Service and ask to speak ...
  17. Physics-Please check and I need help

    Please help set this up- A person goes into the electric field and has an object with a charge value of 4.2E-6C. At a distance of 10m from the object that's responsible for the elctric field, the person sees a force of 8.0N on the object they have. What is electric field ...
  18. computers

    I need some help with creating a simple, but automatic site status (uptime/downtime) monitor script in ColdFusion. Basically I would like the script to check if an application on my site is accessible or not every 60 minutes. If the application is down at 60 minutes, then I am...
  19. us history

    agree or disagree? During the 1920 stock amrket crash, tbankers invested their depositors money in unsound investments. Please note that we don't do students' homework for them. Once YOU have come up with a response to YOUR questions, please re-post and let us know what you ...
  20. algebra 2

    factor completely 3x^2-14x-24 I do not see the gcf for the problem I am totally lost can some explain please I have several these problems and i need to figure out how to solve them You put 3x^2-14x-24 = (a x + b)(c x + d) Equating the coefficients on both ides gives: 3 = a c ...
  21. History check my work please

    President Reagan sought world peace through A) detente B) economic policies C) military strength (my choice) D) industrialized trade 2. Why did saddam hussein's troops invade kuwait? A) he wanted to end kuwait illegal drug trade B) He wanted to punish kuwait for its support of...
  22. French for Sabrina & Alex

    Sorry, but my rescue animals MUST be fed. My eyes have had it for right now. Perhaps after I take care of my animals, I can see better. At least, I WILL be back and check your work before I go to bed. Sra (aka Mme)
  23. trig

    verify (csc^4-1)/cot^2x=2+cot^2x So this is what I have so far on the left side (csc^2x+1)(cscx+1)(cscx-1)/cot^2x =(csc^2x+1)(cot^2x)/cot^2x i think I'm doing something wrong. Please help!
  24. pre-algebra

    Nicholas is making cranberry relish for Thanksgiving. The recipe requires five pints of cranberries. Nicolas only has four cups of cranberries. How many more cranberries will Nicholas need to make cranberry relish? Show all your work. Please help don't get how to show my work
  25. algebra (check work)

    a camera car with a crane is used to film a movie. the crane's max. height is 18ft and the min. height is 4ft. write a compound inequality that describes the possible heights of the crane. 18≥x≤4
  26. Language Arts

    Hi! I just need someone to check my work please! :) Thanks! 1. Which of these is the defining characteristic of a comparison-and-contrast essay? A. Clear thesis statement. B. Organizational structure. C. Reliable sources. D. Similarities and differences between two or more ...
  27. AP CHEM-- check work?

    How many moles of ATP must be converted to ADP by the reaction ATP(aq) + H2O ---> ADP(aq) + HPO4-2(aq) + 2H+(aq) delta-G*= -31 kJ to bring about a nonspontaneous biochemical reaction in which delta-G*= +372 kJ? I did my work out like this..: 372 kJ x 1 mol/-31 kJ = -12 mol ...
  28. Literacy 2

    Please check my work. Thank you 1. When is the best time to cite a source. A. As soon as you decide a source is not worth using in your paper. B. Before you find the source. C. When start to create your bibliography. D. As soon as you find the source My Answer C 2. Wildcards A...
  29. Trig

    A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a sailboat who is 5 miles from the island measures the angled by from island A to the sailboat and the plane is 37 degrees. How far is the plane from ...
  30. Art

    An Asian sculptor creates an image of the Buddha for the local temple. The artist’s primary responsibility is to A. self: as long as he does his best, that’s all that matters. B. Buddha: he must work hard to please this revered leader. C. future tourists: he must make sure...
  31. Math

    Assume you work at a company where you are paid hourly. You are paid $8.60 per hour for regular time (less than or equal to forty hours) and time and a half for overtime hours up to fifty hours in one week. If you are asked to work fifty or more hours in one week you are paid ...
  32. English

    Please check for spelling and commas errors. If commas need to be placed somewhere please let me know where. Please let me know whether you want photographs taking of the altar during the ceremony or after the services. If you would prefer not to have pictures taking during ...
  33. Please Help!!!!!!

    an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the equation y^2 = 4px ...
  34. calculus

    I have two questions, please help. 1. Uss completing the square to describe the graph of the following function. Support your answers graphically. f(x)= -2x^2+4x+7 please show work. 2. Can someone help me to graph this function? f(x)=x^2-6x+5 Then find the a. vertex b. axis of...
  35. eng college

    Can someone please help revise. It is a proposal for a research paper! Thank You! Work and family are both central to our way of life. Finding a balance between the two is an issue of importance to men, women, and employers. Therefore, I will argue that the constant struggle ...
  36. trig

    Bob throws a ball straight up with an initial speed of 50 feet per second from a height of 6 feet. (a) Find parametric equations that describe the motion of the ball as a function of time. (Do this on paper. Your instructor may ask you to turn in this work.) (b) How long is ...
  37. social studies

    Please help me answer these questions, as I have no idea about it. 1) Why do naturalist movements tend to be fractured (why don't they work out...) 2) How does this affect the post-colonial administration of successor states? Please help answer, or provide some websites which ...
  38. Physics Help Please

    Scientists at Oak Ridge National Laboratory confirmed the existence of element 104 by creating 3000 atoms of it. If radioactive decay caused the number of atoms to drop by half within 4.0 s, how many atoms were left after 12 s? Show work please! Thank you!
  39. Algebra 2 word problem

    Just wanted to check to see if these are correct. Thank you, Please check if a greyhound bus travels 7mph slower than the express bus. the express bus travels 45 miles in the time it takes the greyhound bus to travel 38 miles. find the speed of each bus greyhound 38/x-7 ...
  40. statistics/mean and standard deviation

    find the mean and standard deviation in the following probability distribution x 1 2 3 p(x) 0.2 0.6 0.2 *i think that the mean is 2 but am lost after that when it comes to the standard deviation. please show work and calculations. the more i work with numbers the more confused...
  41. Physics

    A wheel with rotational inertia I is mounted on a fixed, fricitonless axle. The angular speed w of the wheel is inccreased from zero to w_f in a time interval T. 1: What is the average net torque on the wheel during the time interval, T? a) w_f/T b)w_f/T^2 c) Iw_f^2/T d)Iw_f/T...
  42. trig

    use an inverse trig function to write è as a function of x (There is a right triangle. The hypotenuse is 2. è is the angle between the base and the hypotenuse. The base/adjacent side of è is (x + 1) The side opposite è does not have a value.) a) è = sqrt [4 - (x + 1)^2] ...
  43. physics (please check work)

    Four identical particles, each with mass m, are arranged in the x,y plane like a cross. They are connected by light sticks to form a rigid body. If m=2.0kg and a=1.0 m the rotational inertia of this array about the y axis is: work: I know that I= mr^2 I=(2.0kg)(1.0m)^2 I=2 kgm...
  44. vocab (english)

    i have improving vocabulary skills 4th edition book and i need sentence check 2 answers and final check
  45. chemistry

    1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol antimony. Show all work 3.) Determine the mass of 1.45 mol FePO4. Show all work. 4.) Calculate the number of mol in 6.75 g of NaCl. Show all work. 5...
  46. Algebra Help

    Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x. Does this work? Thanks! Exponential form is 2^-3=1/8 To Check: 2^-3=1/2^3=1/8
  47. Please help

    A rectangular picture frame has a perimeter of 58 inches. The height of the frame is 18 inches. What is the width of the frame? Please help show work and help answer thanks
  48. trig

    cosθ =5/13 with -π/2 < θ <0 find each of the following sin( θ - 5π/4) cos( θ - 11π/6) tan( θ + 5π/4) can some1 explain to me how to do these? im completely lost and this is the only thing about my assignment that i cant do can...
  49. Trig (Last URGENT)

    sin2x+cosx=0 , [-180,180) = 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^-1(0) x1=90 x2=360-90 x2=270 270 doesn't fit in [-180,180) what do I do? Or maybe I did something wrong. sinx=1/2 x1=sin^-1(1/2) x1=30 x2=180-30 x2=150 is this correct? Please and Thank you
  50. mark check my work algebra

    a cartoonist uses the function below to calculate the net profit he earns from sellings his drawings.In the function, d represents the number of drawings he sells. N(d)= 30(d)-$500...what is domain of N(d)? is the answer all non negative real numbers?
  51. Science

    Hi can you please check my work. A mutation that occurs in a diploid cell can be inherited only if A) the mutated allele is recessive. B) the mutated allele is dominant. C) the mutation occurs in a cell that produces gametes. D) the same mutation also occurs on the homologous ...
  52. Grammar and Composition

    please check these: Divide each of the following words into its prefix, root, and suffix. some words may not have a prefix or a suffix. WORD misused subscribe distorted regression deported interruption prefix dissection postscript implacable PREFIX mis sub dis re de ? pre ? ...
  53. Language arts

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you completed help you ...
  54. English

    Can you please check these sentences, too? Thank you. 1.Hilary can't live without her mobile phone or without her car. She needs a car for work. 2.In contrast, Jason usually rides his bike around, catches trains and walks. Hilary need her computer to keep in touch with her ...
  55. Math PLEASE HELP ME!!

    A restaurant offers a 13% discount on chicken wings on Mondays. If Travis eats $7.95 worth of chicken wings on Friday, how much would those wings cost on Monday??? PLEASE SHOW ALL WORK THANKS!!!!! :)
  56. Math

    Every time Mr. Cold born throws a ball of paper in the garbage can, the probability the ball goes in the cans is 3/4. What is the probability he misses 2 times in a row? Please show all work. Please help I don't understand probability
  57. math help

    Thank you for helping me with the last problem Reiny and Bosnian. However, I have one more problem that I need help with please and I have no idea how work the problem. I used an on line calculator to get the answer. It didn't give an explanation on how to do the problem ...
  58. Trig

    A telephone pole that is 14ft y’all has fallen against a house. If the top of the telephone pole touches the house 8ft. Above the ground, what is the angle that the telephone pole makes with the ground? Stuck on this question on my quiz not sure how I should set this up or ...
  59. ENGLISH

    A little old fool but doesn't bath. Who can it be? This doesn't make any sense at all. Please double-check. ?? open-ended introductins
  60. Math- please check

    I have to write a word name for 8.032 Eight and thirty two thousandths. IS this correct? Looks good to me.
  61. English

    Please check my answer thanks:) This is an example of paraphasing Sue studied Dr Jone's article and restated it in her own words. I said yes
  62. Health Law

    please check my answer thanks :) a pretrial conference most likely would occur when... i said ... during an appeal
  63. math mortgages please check answer

    The monthly payment on a$100,000 mortgage at a rate of 8 1/2 % for 20 years is 8678.23 I am not sure
  64. health

    In which condition is the patient most likely to hemorrage? a.thormbocytopenia b.polycythemia c.thalassemia d.erythroblastosis fetalis (c) could you please check my answer?
  65. Chemistry

    Can someone please check this for me? C4H8+5O2-->3CO2+4H2O+C Butane is a gas and .01 g of it is burned. Is .00218 g of carbon the result? Thanks
  66. Math

    Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/{(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.
  67. Math

    Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/{(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.
  68. Math

    Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/{(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.
  69. Algebra

    Can someone please check this to see if I have reduced to simplest terms: {(-x-y)X(x-y)}/ {(x-y)^2 + (x+y)^2} I get -1/2 (x-y)(x+y)divided by (x^2+y^2). Is this right and if so, can it be simplified any more? Thanks so much.
  70. 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
  71. 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
  72. MATH>>>>look.need.help.please.

    what is the value of the expression (4.32 x 10^-3) + (6.025 x 10^-3) ? i came up with either 0.010345*10^-3 or 10.345*10^-3 and when i check them they're both wrong.
  73. need your help

    please check this if it correct word. thanks a lot. but for the emergency sadden reason that my father died , I will go to the Philippines earlier than my plan.
  74. social studies

    VIII standard could you please suggest a few steps to check child marriages : Sherry edlapadu ap india
  75. calculus--please check

    analyze the graph of the function f(x)=x^2+x-90/x+3 a. what is the domain? I think it is x‚-3 (-‡,-3)(-3‡) b. what is the equation of the vertical asymptote? is it x= -3 c. what is the horizontal asymptotes? none
  76. calculus--please check

    analyze the graph of the function f(x)=x^2+x-90/x+3 a. what is the domain? I think it is x‚-3 (-‡,-3)(-3‡) b. what is the equation of the vertical asymptote? is it x= -3 c. what is the horizontal asymptotes? none
  77. 8th grade math

    I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1
  78. teachers aide

    Resources for educating young children with diverse abilities part-3 Please check my answer?This is my last exam. 1--c 2--b 3--c 4--c 5--a 6--d 7--b(not sure) 8--d 9--b 10-c 11-b 12-a 13-d 14-c 15-d 16-a 17-c 18-d 19-c 20-a
  79. Chem

    Can someone please check this for me? It's ranking the following bonds in order of increasing ionic bond character. Cl-Cl C-H H-Cl Mg-C H-O Na-Cl Ca-O Cs-F I'm not sure where Fe-O, and Fe-C fall. Thanks -MC
  80. check my science hw please.

    24. can provide an economic benefit to A. drug companies B. tourists C.hikers D.endangered species I got A for my answer.
  81. Maths

    Check my answer please? Not sure if I did this right. Let y = f(x) be a cubic polynomial with leading coefficient a = 2 and f(-2) = f(1) = f(2) = 0. find the factored form of f. I got: f(x) = 2(x + 2)(x - 1)(x - 2)
  82. Edu tech

    Can you please check this Probability can be used to determine the likelihood of specific ________. A:games B:occurrences C:questions D:opportunites D is my answer
  83. Language arts

    most unintentional poisoning occur in children under A.10 B.2 C.5 D.6 months My best answer is b can you check please @Ms.Sue
  84. Math

    Please check my answer~ Find the distance between points C (4,12) and D (-2,5) to th3 nearest tenth. d=sqrt(-2,4)^2+(5-12)^2 d=sqrt36+49 d=sqrt85 d=9.2
  85. 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;)
  86. Vocabulary

    The woman's screeches (screech)brought the neighbours running to her place. Please find to check whether is is correct. Thanks & regards.
  87. Pre-Algebra

    Please Check My Asnwers What is the exact area of a circle having diameter 6 in.? The 2 is the second power btw 3π in.2 36π in.2 6π in.2******** 9π in.2
  88. physics (please check)

    A total resistance of 3 ohms is to be producd by combining an unknown resistor R with a 12 ohm resistor. What is the value of R and how is it connected to the 12 ohm resistor a) 4.0 ohm parallel b) 4.0 ohm in series c) 2.4 ohm in parallel d) 2.4 in series e) 9.0 in parallel My...
  89. algebra -

    #21 -can you help me solve this equation: 3x^2 (2x - 2) i keep getting: 6x ^2 -6 #22 can you check this one: (2x ^2) (6x^2) i got 12x #23 can you check this one: (4m^2 + m -2) + (-m^2 - 3m) i got: -4m ^2 + 4m-2 #25 can you check this one: (3x^2 -x -1) + (2x^2 + 2x -1) i got: -...
  90. Math 8R - HW Qs. Check

    Topic - Logic In the clues below, each variable represent a different digit ranging from 0-9. Determine what digit each variable represent g+g+g = d (3+3+3 = 9) j+e = j (2+0 = 2) g (to the 3rd power) = d (3, to the 2nd power = 9) b+9 = d (6+3 = 9) f-b = c (7-6 = 1) i+h = a ...
  91. Trig

    The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. Determine an exact value for cosx 3. What is the measure of x in radians? ---------------- I know that quadrant 4 has 2x in it, so quadrant _____ has to have x ? for part 2, ...
  92. math

    A and B can finsih a work in 16 days and 12 days respectively. A started the work and worked at it for 2 days. He was then joined by B . find the total time taken to finish the work
  93. Physics

    A pendulum of length L=26.0 cm and mass m= 168 g is released from rest when the cord makes an angle of 65.2 degrees with the vertical. A) how far (m) does the mass fall before reaching its lowest point? My work: .26m - .109 = .151 m B) how much work (J) is done by gravity as ...
  94. Grammar Correction to be made - Please

    PROCUREMENT WORK MATRIX
  95. math

    solve the matrix equation for ax=bx+c for x={x1} { x2} where a= { 6 0} b={-1 -2} c= {1] [15 1} { 4 -2} [2} please show work if you can
  96. maths indices

    Simplify: (2x+3)^3/2 + (2x+3)^-1/2 / 2x+3 Can anyone explain how to work it out please? Thanks
  97. ALGEBRA

    SOLVE THE FOLLOWING EQUATION FOR U 4U + 8 = -12 could you please show the work
  98. math

    what is the slope and y intercept for the equation y=2/3 x +1 please show the work Thanks
  99. algebra

    How do you solve the following equation? I know x= 20 but do not know how to show the work. Please help...
  100. Math

    f(x)=x^2-6x+2 Find the h, the x-coordinate of this parabola. Can you please show work??!!
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