Trig check my work please?

90,377 results, page 93

  1. Urgent Math please check

    Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be ...
  2. Math -Trig Please help!

    At one time, Maple Leaf Village (which no longer exists) had North America’s largest Ferris wheel. The Ferris wheel had a diameter of 56 m, and one revolution took 2.5 min to complete. Riders could see Niagara Falls if they were higher than 50 m above the ground. Sketch ...
  3. Math

    You work at a grocery store. You hourly rate is greater after 6:00p.m. than it is during the day. One week you work 20 daytime hours and 20 evening hours and earn $280. Another week you work 30 daytime hours and 12 evening hours and earn a total of $276. What is your daytime ...
  4. French

    Please check these sentences for grammar. 1. Adorez-vous faire les magasins? 2. Est-ce que tu préféres lire à la bibliotheque ou écouter de la musique? 3. Est-ce tu ne préféres pas la pomme avec le petit dejeuner? 4. Est-ce tu n'aime pas les pommes?
  5. Math

    The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters. What is the height of the loading dock DE? A. 12m B. 8m C. 9m D. 15m My answer is 9 is ...
  6. math

    The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is 12 meters, the height of the loading dock, BC, is 4 meters. What is the height of the loading dock DE? A. 12m B. 8m C. 9m D. 15m My best answer is C @...
  7. 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 are fishing for ...
  8. special ed

    I need to make lesson plans for students with mental retardation. Can you please tell me what you think of my ideas. For Pre-K work on gross motor skills, play simon says, use songs that make the child use their motor skills (if you're happy and you know it, clap your hands, ...
  9. Math-CHECK ANSWERS

    hi please check these math answers! 13. If 4 out of 20 people like red jelly beans, what percent of the people do not like red jelly beans? A.5% B.20% C.80%(I PICK THIS) D.90% 14. Sally is photocopying a picture. The original picture was 4 inches wide and 6 inches long. The ...
  10. Health care

    Please check my answer thanks :) Medicare and Medicaid financial issues put constraints on .... 1., physician services 2. critical care centers 3. public hospitals 4. outpatient services now here is the problem I think it is all of them but I can only pick one answer so I ...
  11. Health insurance

    Please check my answer thanks :) Ifan enrollee uses more services than originally assumed per the PPPM calculation, the the plan would 1. show a pfofit for that period 2. show a loss of that period 3. need a contract renegotiation 4. require that the enrollee be dropped from ...
  12. STATISTICS

    A statistics practitioner formulated the following hypothesis: H0 : ¦Ì = 200 against H1 : ¦Ì < 200 and learned that x = 190 n = 9 and ¦Ò = 50. The p-value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information given My ...
  13. Spanish-8th Grade-Please check

    I have a question about the owrd cubiertos in Spanish. Does ths word include la servillete el cuchillo el vaso la cuchara el tendor OR is it just like the plate and spoon, fork, knife and NOT the vaso or servillete(napkin)? The word and transaltion is confusing me Thank you
  14. social studies

    Please check:( these came from a word bank) wanted the united states to have a port on the gulf of mexico: Thomas Jefferson needed money to fight a war: William Clark? leaders of the Corps of Discovery: Meriwether Lewis, William Clark, Thomas Jefferson
  15. English

    1. The taxi fare was too high. 2. The taxi fare was too expensive. (Which one is right in this case?) 3. After I went through the entry procedure, I could go anywhere in the city. (Is this sentence right? Do you have other expressions?) 4. Later I had to hand that one to an ...
  16. Health

    What is a common result in teen alcohol use? A. better test scores after drinking B. improved judgment skills C. long term memory problems D. quicker reflexes while driving a car My answer is C. long term memory problems. Ms. Sue may you please check this??
  17. English

    For a project im writing about 1950's food and the food that was unique to that time. But, in my report i also have to compare a literary work to the information i find on 1950's food. my teacher said the best work would be like a poem, song, article about your specific topic(...
  18. math

    Automobiles and small trucks make up 84% of the travel to and from work in the US. What fraction represents all other means of travel to and from work in the US? How would I set this up, I am guessing the answer is 16% but I have no clue how to get the answer if it is right. ...
  19. English

    Writeacher, I need to know the vocabulary generally used when comparing pictures. I need you to check these sentences and improve them. 1) Why may people have to wear these clothes? The people in the picture may have to wear these clothes because I think they work in an office...
  20. math

    Anna travels to work by car or by bicycle . The probability that she travels by car is 0.35 . If she travels to work by car ,the probability that she will be late is 0.12 .If she travels to work by bicycle,the probability that she will late is 0.25..Work out the probability ...
  21. math

    can some one solve this Ex 1: -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)<15/(-2) Switching the order of the inequality here is essential to keep the solutions true for the inequality since I divided by a negative #. x<-7.5 Check: Try -8. It should work since it is ...
  22. math

    Could someone check these questions for me? Please? My answers are under the questions... Questions~ 1. Solve: | x | = 6 |6|=6 and |-6|=6 x must be 6 or -6 2. Solve: | x + 7 | = 12 (x+7)=12 and -(x+7)=12 x+7=12 and -x-7=12 x= 5 and -19=x The the solution is x = {–19, 5} 3. ...
  23. statistics

    A STAT 200 instructor is interested in whether there is any variation in the final exam grades between her two classes Data collected from the two classes are as follows: Her null hypothesis and alternative hypothesis are: (a) Determine the test statistic. Show all work; ...
  24. DrRuss/bobpursley/drwls please help!!!

    Can you please clarify your response to my post Wednesday April 4th at 8:53pm and 8:54pm. Thanks for all of your help!!! pleasde repost it. Yes, repost it. Go to it, copy, and paste it here. Thanks. A vertical spring with a spring constant of 450 N/m is mounted on the floor. ...
  25. Physics

    A football player pushes a tackling dummy forwards at a constant speed for 111m using 7150J of energy. b)What is the frictional force the dummy exerts? c)What work is done by friction as the dummy is slid along the field for 11m? omg please help I am so lost
  26. english

    In the following passage, a linking device has been omitted. Choose the word that would make the passage coherent: __ this technique won’t work for everyone, it helps many people get a good cache of ideas to draw on. 1. However 2. Although Please help with the question I ...
  27. computers

    I have this problem with my PC The sound won't function properly. I've checked the volume controls and audio properties, etc, but they seem to be working fine. It's just that the sound won't come out. I've also tried installing a new set of speakers, yet they don't work either...
  28. chemistry

    i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g...
  29. chem

    i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g...
  30. business english

    Avoid camouflaged words 1. it was my duty to make a determination of any damages. 2. Harold made a recommendation that we fire Mr. Schultz. 3. we will ask him to bring about a change in his work routine. 4. this new equipment will result in a savings in maintenance. 5. will ...
  31. Physics. PLEASE HELP!!

    A uniform disk with a mass of 130 kg and a radius of 1.2 m rotates initially with an angular speed of 950 rev/min. A constant tangential force is applied at a radial distance of 0.5 m. How much work must this force do to stop the wheel? Answer in units of kJ
  32. Physics

    A fire hose held near the ground shoots water at a speed of 13m/s.At what angle should the nozzle point in order that the water land 16m away?Why are there two different angles? Please show the all the work thank you very much.
  33. Calculus

    The demand equation for a product is p=88,650/(396+3x) where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 <= x <= 50. (Round your answer to two decimal places.) Please show work because I know the ...
  34. check my work

    8. Which of the following is a successful result of the Reconstruction? (1 point) states could limit voting rights in elections more African Americans could go to school segregation kept the races apart or separate sharecropping helped poor blacks own land 6. Which of the ...
  35. Physics

    A mass m1 = 4.1 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 32.0 N pulls m1 to the left a distance d = 0.83 m. 1) How much work is done by the force F on the two block system? 2) How much work is ...
  36. chemistry - check please

    Have I balanced this right Al2Se3 + 6 H2O ==> 2 Al(OH)3 + 3 H2Se Let me give you a hint on these, write water as HOH, and it balances faster. Treat the OH as a group. Al2Se3 + 6 H(OH) ==> 2 Al(OH)3 + 3 H2Se Yes, it is balanced: see the six H on each side, and the six OH ...
  37. math

    can please somebody check my answer: Q. A tuning fork produces a sound that has a wavelength of 136 centimetres. What is the frequency of the tuning fork? (Take the speed of sound to be 340 metres per second.) A. f= velocity/wavelength f= 340/1.36 f=250Hz
  38. Scienece 7R HW Check! (just 1 qs.)

    Why is mitosis an important life process? My Answer: The reason why mitosis is an important to life process is because it reproduce. Am I correct???? Yes or no If no then please explain why. BTW: I didn't guess that answer ot anything I done a little research throught my notes...
  39. Probability PLEASE CHECK

    What is the probability of a game being sold if 18,980,000 of that title was sold out of a total 68320,000 different video games Is it 19,989,000/68320,000 1890/6832 = 27.77% rounded to nearest tenth
  40. English

    2. What are the qualities which a teacher should have for students? - She should know how to teach students effectively. She should prepare the materials with which she can teach students as well. She should also know how to deal with students who make others distracted...
  41. english

    Which sentence is punctuated correctly? a.“Thunder is good,” said Mark Twain, “But it is lightning that does the work.” b.“Thunder is good, said Mark Twain, but it is lightning that does the work.” c.“Thunder is good,” said Mark Twain, “but it is lightning ...
  42. Speech

    PLEASE, Can some one please help me complete the SECONDARY SUPPORT for this speech topic outline? Thesis Statement: My failures in high school taught me three important lessons in life. Primary Support 1 : I realized the importance of hard-work Secondary Support 1: Secondary ...
  43. Algebra

    Find all solutions to the following system of equations: x + 3y + 2z = 6 -3x + y + 5z = 29 -2x - 3y + z = 14 This just did not work out for me. Here is my work: I first solved Equation #1 for x. x = -3y - 2z + 6 Then, I did substitution, and replaced x for -3y - 2z + 6 in ...
  44. Calc I

    I need to find the equations of the tangent and normal line for x^2-y^2=16, at the point (-5,3). I have to show every detail for my work...then use graphing software to enter my equations, so can anyone help me showing all the details of the work so that I can figure it out?? ...
  45. mabathoana high school maseru

    A block and tackle system of 5 pulley is used to raise a load of 500N steady through a height of 20m the work done against friction is then 2000J. Calculate the work done By effort, efficiency and effort applied
  46. English

    1. He had to check the oven every 15 minutes. 2. He had to check the oven every 15th minute. (Are both grammatical?) 3. Mom will give me turkey sandwich for lunch for the next two week. (Is 'for lunch' an adjective pharase or an adverbial phrase? Does 'for lunch' modify '...
  47. trig

    tanx = 5/12 and sinx<0 Find sin2x and cos2x How to get the answers of sin2x = 120/169 and cos 2x = 119/169?
  48. trig

    Prove that cos4x=8cos^4x-8cos^2x+1 so I'm guessing you begin with the left side cos4x=cos2(2x) then im kinda lost
  49. trig

    sorry the first one I put in had a typo cosx/1-tanx + sinx/1-cotx = sinx +cosx
  50. trig

    Prove that tan4x=(4tanx-tan^3x)/(1-6tan^2 x+tan^4 x) *note: the exponents are just numbers. there are no variables in the exponents.
  51. trig

    Establish the trigonometric identity (Hint: Use sum to product) cos(5x)+cos(3x)/sin(5x)-sin(3x)=cot(x)
  52. trig

    Solve the equation sinθ=0.3 to the nearest tenth. Use the restrictions 90°≤θ≤180°.
  53. trig

    which ser of lenths will form a triangle with greater area? 6ft,8ft, 10ft or 6ft,8ft,12ft...
  54. trig

    suppose sin(x)=4/5 and cos(y)=-12/13, and x and y are in the second quadrant. determine the value of each expression: sin(x+y), cos(x-y), cos2x, sin2y.
  55. Trig math

    PLEASEE HELPPMEEE!!!! cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx + cosx
  56. trig

    Find the sign of the expression if the terminal point determined by t is in the given quadrant. cos t X sec t in any given quadrant
  57. trig

    Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the exact value of tan(theta) and cos(theta).
  58. trig

    Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the exact value of tan(theta) and cos(theta).
  59. Trig

    Let (theta) be an angle in quadrant II such that sec(theta) -4/3 . Find the exact values of cot (theta) and sin (theta).
  60. trig

    suppose theta is in the interval (90,180 degrees) find the sign of csc(-theta) is it positive or negative = positive???
  61. trig

    THE SIDE OF A RIGHT-ANGLED TRIANGLE ARE 3XCM,3X-1CM AND 4X PLUS 1CM ,THE LAST SIDE BEING THE HYPOTHENUS FIND X.
  62. Trig/Math

    RST is a triangle with right angle S. If s- 21.3 Angstroms and t=8.71 Angstroms, find the measure of the larger acute angle.
  63. trig

    How do you find 2.8 revolutions per second in radians? I understand that two revolutions would be equal to 4pie but how do you find the 0.8?
  64. trig

    How do I get exact measures? cosine 270 degrees sin 90 degrees tan 360 degrees csc 45 degrees no calculator!
  65. trig

    CSC(theta)=1.92 Find Theta. Now I know CSC = 1/sin but no matter how I enter it into my cal I get an error.
  66. trig

    A wheel rotates at 100 revolutions per second. find the angle velocity in radians per second.
  67. trig

    If tan A = 2 and A belongs to [pie,3pie/2] then the expression cos A divided by sin cubed A +cos cubed A is equal to what?
  68. trig

    Find z1z2 and z1/z2 for the pair of complex numbers using trigonometric form. z1=4+9i, z2=-5-5i I got z1z2 = 25-65i But cannot find the z1/z2.
  69. Geometry/Trig

    A plane is flying and show an air speed of 130 mi/h. However, there is a 20 mi/hr crosswind. What is the resulting speed of the plane.
  70. trig

    cos/sin use 2npi and tan uses npi, but how do you know when to add 2npi or npi to the solution of the equation?
  71. trig/ellipse equation

    Find an equation of an ellipse satisfying the given conditions: Vertices: (-1, -8) and (-1, 4); and the length of the minor axis is 10.
  72. trig

    The rectangular coordinates of a point are given (-5,-5root3). Find polar coordinates of the point. Express theta in radians.
  73. trig transformations

    transformations in this function y= sin (X/9) it is 1/9 but that is not the transformation right? Is it a horizontal stretch of 9 because you flip it over, since it is horizontal ?
  74. Stats

    1. If you were to receive $3 for every time a 7 or 11 was rolled with two fair dice and lost $1 for all the ther values, what is the expected value (mean) for you as a gambler in this experiment? (please show work so I know how to do it). 2. Going with the question above, ...
  75. math-PLEASE CHECK

    Find the surface area and volume of each of the following figures: d.Right circular cylinder v=pir^2h pi(3)(3)(6) pi(54) v=169.6 cubic cm sa=2pi r^2 + 2pi rh 2pi(3)(3)+2pi(3)(6) 2pi(9)+2pi(18) 56+113=169 Sa=169 square cm is this right???
  76. MATH

    KENDRA SETS A GOAL OF SAVING $50 IN 8 WEEKS. during the first 2 weeks, she was able to save $10. please check ; what fraction of the $50 did she save in the first 2 weeks? 10/50 what percent of the $50 did she save? 10% at this rate, how long will it take her to reach her goal...
  77. English

    A: Hello. May I speak to Tom? B: Speaking. Who's calling, please? A: Hi, Tom. This is Sam. How are you doing? B: Just fine. How's your new school? A: It's great. By the way, what are you doing? B: I'm playing computer games. A: Will you come to Yunsan Middle School? B:Why? A: ...
  78. geography

    1. What country is due south of Egypt? Sudan 2. Is Phnom Penh or Hanoi the capital of Vietnam? Hanoi 3. Besides the Soviet Union, what other country borders the world's largest lake? Iran 4. What river runs west to east across the northern part of Italy? The Po River Can you ...
  79. Social studies***help***

    please check my answers 1.A 2.D 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism 2.What causes hurricanes...
  80. Dogs Hunting Training

    Please check my answer thanks :) Typically what is the generally recognized maximum distance for a retrieve ? A. 100 feet B. 250 feet C. 100 yards D. 200 yards My answer is C 100 yards
  81. Spanish

    Hola! Could you please check my work to see if my answers are correct? Muchas gracias! A) ASOCIACIONES. Asocie la palabra o frase con su equivalente. 1. darse prisa andén cambio no importarse ***ir rápido billete 2. transbordo andén ***cambio no importarse ir rápido ...
  82. Physics

    A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 86 N parallel to the incline, which makes an angle of 30 ° with the horizontal. Assuming the coefficient of kinetic friction is 0.4 and the crate is pulled a distance of 7.5 ...
  83. Socials-Ms. Sue

    To: Napoleon Bonaparte From: Sara, Senior Advisor Subject: Continental System 1. Advantage for Britain: None Disadvantages for Britain: Loses money because of trade embargo from Europe *will not be able to trade with other countries *Won't be in debt anymore Can you please ...
  84. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 6. What term used to be defined as “removing a paragraph or other segment of text from a manuscript with a blade and gluing it into a different part of the manuscript”? (1 point) a) calligraphy b) clip art c) crop d) cut and...
  85. Health care

    Please check my answer thanks :) By creating a committe on social welfare, the Americain Association of Labor Legislation helped to 1. decrease public hospital costs 2. implement fee schedules 3. implement health care coverage for the working class and needy. 4. create the ...
  86. dog behavior

    please check my answer thanks Which of the following statements decribes operant conditioning A. it primarily involves involuntary respones controlled by the reaseacher B. it involves behavior modified by consequences C. it involves the modification of reflexes through trial ...
  87. geography

    1. Cape Agulhas is the southernmost point on what continent? Africa 2. What capital city is near 20 degrees N latitude and 100 degrees W longitude? Mexico City 3. Would you probably find a scale of 1-inch equals 1,500 miles on a map of your city, state or world? World Can you ...
  88. Physics

    Describe situations where no work is done and situations where work would be done?
  89. math

    how do i show my work for, 5+10/(1*(8+6)-4=6 ya i know the answer but i wanna know how to show my work.
  90. econ

    Suppose an individual has 60 hours of time available in the week and has to decide how much to work. The hourly wage is $ 10 and he has $ 50 per week from a government subsidy. 1. (15 points) Draw an equilibrium where the individual choose to work 50 hours per week. now my ...
  91. English

    Could you please check these last sentences? Thank you very much. 1) I'm quite long, straight, brown-haired.(Should there be a hyphen to separate adjectives?) 2) After homework I help my mum with the housework. 3) Can you say “at 13:45 o’clock”? It’s a five-minute ...
  92. Trig

    Find secx if sinx = -4/5 and 270 < x < 360. tan^2x+1=sec^2x (-4/5)^2+1=sec^2x 16/25+1=sec^2x 17/25=sec^2x sqrt 17/5 I don't know if it should be positive or negative.
  93. trig

    give the exact real number value without using a calculator sin[(cos^-1)(1/4)] sin[(tan^-1)(3/4)+(tan^-1)(12/5)]
  94. Algebra2/trig

    Hi, I can't figure out what I'm supposed to do on this problem. Could someone help? Thanks. Find the coefficient of a of the term in the expansion of the binomial. Binomial (x^2+3)^12 Term ax^8
  95. trig

    A population of wolves in a country is represented by the equation P(t)= 80(0.98)^t, where t is the number of years since 1998. predict the number in the population in the year.
  96. trig

    How do you express in terms of angles less than 90 degrees? sin 120 degrees cos 150 degrees tan 280 degrees
  97. Pre-Calculus-Trig

    A road rises 140 feet per horizontal mile. What angle does the road make with the horizontal?
  98. trig

    the angle in one regular polygon is to that in another as 3:2 and the number of the sides in first is twice that in second determine the the number of sides of 2 polygons
  99. Trig

    The point (-5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank You!
  100. trig

    a 30 foot ladder leans against a wall at a 71 degree angle of elevztion find the distance of a ladder's base to the wall
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