Trig check my work please?

42,244 results, page 95
  1. reading

    words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she
  2. Pre-Calc

    How do I solve this? My work has led me to a dead end. tan(45-x) + cot(45-x) =4 my work: (tan45 - tanx)/(1+ tan45tanx) + (cot45 - cotx)/(1 + cot45cotx) = 4 (1-tanx)/(1+tanx) + (1-cotx)/(1+cotx) = 4 Then I found a common denominator, giving me this:
  3. English

    Here are some more sentences I really need you to check. Thank you. 1) His work (better job) consists in changing the words of the news as the Party wants to, in order to control people. 2) The party aims to eradicate individuality. The information
  4. TRig WIth LoGs help1!!

    i have problem i can't solve and the book is no help.. anyone got osme hints or somehting i could start off doing? the problem is... Solve for x: log(x^3)= (log x)^3 Rewrite it as 3 log x = (log x)^3 The use algebra (divide each side by log x) to get (log
  5. trig

    1) cos^2(x)/sin^2(x) 2) tan(x)cot(x)-sin^2(x) 3) 1-sin(x)cos(x)tan(x)
  6. trig

    tan(theta)/tan(2theta)-tan(theta)= cos(2theta)
  7. History

    “...[The] said Cooper Hughs Freedman with his wife...are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep them so and to do all other work on said
  8. physics

    QA: This question is typical on some driver’s license exams: A car moving at 40 km/h skids 12 m with locked brakes. How far will the car skid with locked brakes at 80 km/h? Answer in units of m QB:A cheerleader lifts his 62.2 kg partner straight up
  9. trig

    a lighthouse is located at point A. a ship travels from point B to point C. At point B,, the distance between the ship and the lighthouse is 7.5km. At point C the distance between the ship and the lighthouse is 8.6km. Angle BAC is 58 degrees. Determine the
  10. Alg2/Trig

    Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.) Find csc(u-v). First of all, I drew the triangles of u and v. Also, I know the formula of sin(u-v) is sin u * cos v - cos u *
  11. Math

    Can somebody please explain to me how to factor trinomials that contain two unknown variables and are complex sum & product?? Examples: 2x^2 + 13xy + 15y^2 11x^2 + 14xy + 3y^2 I understand how to factor trinomials that only have x as the variable, but
  12. Computer Lit

    Does this look good? It's about Piracy and my position. Computer Piracy What is piracy? Are there pirates running around on the Internet? Piracy is theft, you’re stealing copyrighted work. You’re not stealing if you buy a book, a song on iTunes, or a
  13. Grammar Check

    Firstly My teacher has said no "you or yous" in the whole of the essay. So if I put "Keep Your Mind on the Road" as a title.. is it appropriate? Should I put "Keep the Mind on the Road" instead? Moreover, my friend says they are some grammar mistakes in my
  14. trig

    Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i have a clue on how to do it. i multiplyed the denominator by sinx-cosx and i also did the top but when i do i get this weird fraction with all these cos and sin and then i get
  15. Spanish

    Can someone please check my work? Use possessive adjectives to write complete sentences about Miguel's family. Follow the model. modelo: tú/padres/ser/simpáticos: Tus padres son simpáticos. 1. yo/hermanos/ser/altos: Mis hermanos son altos. 2.
  16. Microbio

    Can someone check my answer please? How does the antibiotic penicillin kill bacterial cells? Is it more effective against gram positive or gram negative organisms? Explain. Most bacteria produce a cell wall that is composed partly of a macromolecule called
  17. Physics-please check-this can't be right

    I asked about a golf ball hit at a 35 degree angle and the hole was 175 m away. What was speed of ball. I got a response, and it follows with my response. I'm not doing something right, can you help, please.Physics - drwls, Saturday, October 9, 2010 at
  18. accounting

    Hanson Company uses the weighted-average method in its process costing system. The first processing department, the Welding Department, started the month with 17,000 units in its beginning work in process inventory that were 60% complete with respect to
  19. Physics

    a . rather then taking the elevator a a 65kg student decided to climb 276m vertical height of stairs to the observation deck of the effiel tower. How much work does the student do against gravity climbing to this level? b. It's estimate that 1kg of fat

    #1 chin company incurred direct materials costs of $300,000 during the year. manufacturing overhead rate is 70%. how much are chin company total manufacturing costs for the year? #2 wrapping department's output during the period consist of 10,000 units
  21. trig question

    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 from O to A) is
  22. math

    6 builders worked 8 hours a day for 10 days to complete a job.If 8 builders worked 6 hours a day for 3 days,the remaining work has to be completed by 6 builders in 8 days.How many hours does each builder need to work each day?
  23. math

    6 builders worked 8 hours a day for 10 days to complete a job.If 8 builders worked 6 hours a day for 3 days,the remaining work has to be completed by 6 builders in 8 days.How many hours does each builder need to work each day?
  24. Socials

    This question is on the same primary source. Do you think that this inquest led to improvements in the working conditions for climbing boys? Why or Why not? Yes, for sure improvements were made in the working conditions for climbing boys. The parliament
  25. Trig

    (Tan^2 x) - 2 tan x - 3 / tan x + 1

    Use the Substitution method to solve the system of equations. y - 2x = -5 3y - x = 5 Solve the first equation for y. y = 2x-5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back into the first equation
  27. Physics

    Vector a has a magnitude of 5 m and is directed esast. Vector b has a magnitude of 4 m and is directed 35 degrees west of north. What are the (a) magnitude and (b) the direction of vector a + vector b? What are the (c)magnitude and (e)direction of vector b
  28. math

    The sum of the reciprocals of two consecutive even integers is 11/60. Find the integers....... 1/n + 1/(n+2) = 11/60 what is the question? the question is, "What is the value of the integers? I will be happy to critique your work. We don't do it for
  29. PHYSICS!!

    A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled
  30. english

    1. It's sometimes difficult to balance family, friends, and to do school work, as well. family, and friends, and school work, as well. <--- family, friends, and school work. family, and also friends and school work, as well. No improvement or correction
  31. trigonometry

    can i use factoring to simplify this trig identity? the problem is sinx + cotx * cosx i know the answer is cscx and i know how to get it but i want to know if i can do factoring to get it bc i tried to but it wont give me the answer . this is the step i
  32. Chemistry

    In concentrated aqueous solutions of NaCl, the Na+ (aq) ions can be so close to the Cl- (aq) ions that a small percentage is associated in ion pairs at any given moment. Suppose that a solution contains 1.00 mol of NaCl and that 5.57% of the formula units
  33. English

    I need to double check my work please. Revise to create pronoun-antecedent agreement and eliminate the generic he and any awkward pronoun reference. 1) While shopping for a new computer for school, I noticed that a laptop costs much less then they use to.
  34. Physics please check repost

    In exercising, a weight lifter loses 0.100 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.30 x 10^5 J. (a) Assuming that the latent heat of vaporization
  35. trig

    Suppose that Magnus' blood pressure can be modeled by the following function {{{p(t)=83-18sin(71pi*t)}}} Magnus' blood pressure increases each time his heart beats, and it decreases as his heart rests in between beats. In this equation, p(t)is the blood
  36. science

    Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure. 1. pushing a box of math books weighing 600 newtons a distance of 20 meters -12000J 2.
  37. business

    hello I have subscribed with home work site" called Internet Secrets ,they offer you to design for you a web ready web site with they secrets how to publish your site and make it attractive and to make money with this site by google adsense and clicbank
  38. Quick English check

    Please check these sentences and correct me if I'm wrong, thank you! 1. A 'MYRIAD' of people are interested in auditioning for the reality tv show, but only a handful will be afforded the opprutunity. 2. The villain wants the world to tremble at the 'MERE'
  39. english

    I have to identify the adverb, what is modifies, and identify if the modified word is an adverb, adjective, or verb. They work very carefully when they are up in the tops of trees. Adverb very describes adverb carefully? adverb carefully describes verb
  40. Physics

    Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500J. After the force pulled each object, object A moves twice as fast as object B. Answer the
  41. student supervision

    what is another name for the illness known as pediculosis? (a)chicken pox (b)ringworm (c)strep-throat (d)head lice(my answer) who does most of the talking in a student conference? (a)student(my answer) (b)teacher (c)teacher aide (d)parent when your
  42. chemistry!!

    If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will
  43. English

    I urgently need you to check these sentences. I have a few doubts on how to vary past perfect tenses (when turning the summary into the present). I included my doubts using question marks. Thank you. 1) After moving the bed aside he takes three
  44. physics- pressure/gas

    Suppose 2500 J of heat are added to 4.1 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be treated as an ideal monatomic gas.) Find the change in internal energy. I started using U = N (3/2 kB T). But I have too many
  45. Please check solution

    A uniform solid disk with a mass of 40.3 kg and a radius of 0.454 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk (a) What is the net torque produced by the two forces? (Assume counterclockwise is the
  46. social studies PLEASE CHECK

    1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll
  47. physics

    A system undergoes a two-step process. In the first step, the internal energy of the system increases by 368 J when 144 J of work is done on the system. In the second step, the internal energy of the system increases by 24 J when 248 J of work is done on
  48. English

    Can you check if my rephrasing is correct? Thank you very much. 1) The monster's skin is yellow and scarcely covers the pulsing work of its muscles and arteries. 2) The ship left the harbour, but a violent storm-blast compared to an enormous bird brought
  49. physics

    Two workhorses tow a barge along a straight canal. Each horse exerts a constant force of magnitude F, and the tow ropes make an angle θ with the direction of motion of the horses and the barge. (Figure 1) Each horse is traveling at a constant speed v.
  50. Government Check

    4got this one Which amendment applies the protections of the Bill of Rights to the States? First Fifth Tenth =Fourteenth
  51. To DrBob222(Please check Chem)

    (This homework question has been removed due to a copyright claim submitted by K12 Inc.)
  52. English

    Could you please check this sentence? As I haven't heard from you, I'll email the module, you sent to me this morning, to my secretary's office myself(without making ANY CHANGES AT ALL)
  53. history

    who was the 5th president of the u.s please help me Check this site.
  54. History

    In the Eastern Orthodox Chrurch icons were once forbidden by the Pope true ** false check my answers please.
  55. 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)?
  56. Spanish-Please check

    I had to change these into the past tense preterite are they correct tú presentarse would it be tú presentaste él sentirse would it be él se sintió
  57. Office Finances

    Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
  58. calculus

    evaluate the following indefinite integrals by substitution & check the result by differentiation. ∫(sin2x)^2 cos2xdx
  59. Algerbra 1B

    Solve Each Sysem Using Substitution. Check ach solution. a = 2/5b -3 a = 2b - 18 c = 3d - 27 4d + 10c = 120 Thanks, hope someone helps
  60. Government Check

    Which is not a suspect classification, according to the Supreme Court? Race Age Gender *National origin
  61. Art

    Can you please check these two sentences, Writeacher? Thank you. 1) Each answer must be developed in no more than ten lines. 2) Only a monolingual dictionary is allowed.
  62. Safety & Emergencies

    5.)It is important to _____ the victim before calling 911? A.)Call B.)Care C.)Check*** D.)Catch C?
  63. Math (please check my answer)

    Write a proof for the following. I have 2 answers but I don't know what the other 2 would be? Can anyone help?i68.tinypic(.)com/k2nw9.jpg
  64. Algebra check answers?

    Write the equation of the line that passes through the points (-4,-2) and (-3,5) y= -3/7x+16 y= 1/7x+16 <--im not sure y= 7x-16 y= 7x+26 Which radical expression is equal to (4 1/6)^2 3√4 √2 √64 <=-- or D? 6√4
  65. Enghish

    Please check my answer thanks :) In the sentence "Although the book was more than 50 years old, it still contained helpful information", the word although is what. I said it's adjective
  66. Science check answer

    1. Acceleration involves a change in ____. speed velocity displacement direction I think its b.
  67. English

    This is what I meant in the previous sentence. Thank you. 1)I want to say that if this person knows the password, he can check the names of the students who have already sent mail to their parterns.
  68. 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?
  69. Calculus

    Find the equation of the tangent line to f(x)=x sec x at ((pi/4),(pi•sqrt 2)/4). Please check my derivative .. Is it (sin^2(x)+ 1)/cos^3 (x)?
  70. math

    find the differential of dy of the given function. y=3x-4sec(2x-1) The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)
  71. 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
  72. science-check

    what is the advantages and disadvantages of using sand to grow? the advantage is that it anchors it? the diadvantage is it cant hold the plant up?
  73. 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?..
  74. English-Grammar check

    Can someone tell me if this sentence is an appositive phrase: The blacks, were the lowest ranking class in society.
  75. 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)
  76. Algebra

    what is the sum of the interior angles of a quadrilateral? 720 540 360*** 180 Please Check my answers.
  77. Polynomials check my answer please

    I need help bad i been doing this homework since i got home at 4:00 and am stuck on this problem. X -1 : X-2 =sum (x+1)+(x-2)=(x+x+1-2) diff (x+1)-(x-2)=(x-x-1-2) Product (x-1)(x-2)=(x^2-1)
  78. math

    please check my answer thanks :) The monthly payment on a $90,000 mortgage at a rate of 7.5% interest for 30 years is $630.00
  79. English

    Please check my answer thanks :) In research , you must document the source of all specific information unless it's common knowledge. I said True
  80. Comprehensive English

    Writeacher please check my last post, you never replied.. it kind of left me wondering.. you said you would give me some ideas.
  81. Algebra 1B

    I can not figure out the answer to this problem. (^6)(-7^6+5) I'm not sure if that sign is correct. It's suppose to be the symbol that looks like a check mark and goes over the 6 on left and over the 6+5 on right. Please help
  82. english

    the question might sound dumb, but can anyone check to see if the sentence is correct: It's(form) due till May 1st.

    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!
  84. grammar check

    an example of a proper adjective is: A) modern mexico B)catholic C)painted mural D)ancient civilization i think its c
  85. pre algebra

    solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i don't know how to.
  86. to your reply, please check again

    that should of said Zero: 5 - 3 i for the one that stated use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816
  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. com 150 week 6

    body parsgraphs and topic outline and working references list check point

    Factor each expression completely. show some sort of check to confirm your answer. (hint: think FOIL) x^2+11+30 x^2-5x-14 9x-16
  90. social studies

    What does the washington flag look like Check this site.
  91. Chem Check

    The first law of thermodynamics is the application of the conservation of energy principle to heat and thermodynamic processes.
  92. Algebra

    Could someone please help me figure out this question. If I paid $76.08 for something that was 40% off, what was the regular price? I got $127.98 but when I check my answer I am off by 2 cents. What am I doing wrong?
  93. Logarithms

    Solve the following equations for x and check the solution using log. 2^6x-1 = 28 The answer is log56/6log2. Explain each step.
  94. Algerbra 1B

    Solve Each Sysem Using Substitution. Check ach solution. a = 2/5b -3 a = 2b - 18 c = 3d - 27 4d + 10c = 120 Thanks, hope someone helps
  95. alg2 check

    a.)write the equation of the line that has a slope of -2 and a y-int of -6. I don't understand if I use y=mx+b or would I plug this in If im trying to get an answer?
  96. Accounting

    Rented. An office and paid three months rent in advance to property management check $4,500.
  97. Algebra 1

    Write an equation in standard form of the line that passes through the given point and has the given slope m. Can someone check my answers (-2,6) m=1 -1x+y=8 (-7,8) m=-3 3x+y=-13 (9,-10)m=-4 4x+y=26 (-15,-4)m=1/2 -1/2x-y=23/2
  98. grammar

    Can you check these sentences, please? "I've always loved animals and felt I could communicate with them. To become a veterinarian, I must carefully choose the right school."
  99. Vocabulary

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

    In 1923, Robert Millikan won the Nobel Prize for discovering the mass of the .... electron?