Trig check my work please?

90,347 results, page 80

  1. English

    Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the entire set of books. D. ...
  2. English

    Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the entire set of books. D. ...
  3. college physics

    Interestingly, there have been several studies using cadavers to determine the moment of inertia of human body parts by letting them swing as a pendulum about a joint. In one study, the center of gravity of a 5.0 kg lower leg was found to be 18 cm from the knee. When pivoted ...
  4. algebra

    Please check A number m decreases by 4 m-4 A number d divided by k,minus 6 D/k-6 A number b less 8 B-8 The sum of a number m and 10 M+10 18 divided by a number r 18/r 32 decreased by a number n 32-n A number k increased by itself K+k
  5. Health Law

    please check my answer thanks :) Peter Jones sues Dr Bob for malpractice. The jury believes Dr Jones was guilty of malpractice but doesn't believe Peter was affected Peter is entiled to what type of damamges ? I think punitive damages
  6. history- civil war

    What did Abraham Lincoln mean by saying slaves represented money? He meant that without the slaves the South would have no income. The more slaves they had, the more income. Please check if this is correct. Thanks.
  7. English

    I left out these other sentences. Thank you very much, Writeacher. 1) If I'm lucky, I'll work at a passion and at the same time at a career. I think that a good job is a job that you love and that permits (?) you to do the things you are keen on. 2) I have the ambition of ...
  8. 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. usted/tías/vivir/lejos: Sus t...
  9. Math

    Find of g(f(x)) when f(x)=sqrt(x+3) and g(x)=(x^2+2)/x. a. g(f(x))=(x^2+2)(sqrt(x+3))/x b. g(f(x))=(x+5)/(sqrt(x+3)) c. g(f(x))=(x^2+6x+11)/(sqrt(x+3)) d. g(f(x))=(sqrt(((x^2+2)/x)+3) Every time I work this problem, I get some crazy answer. Can someone please help me?
  10. English

    Can you please check the following sentences? I had left them out. Thank you. 1) They fell out over something really stupid but made up a week later. (or made it up?). Her friends will never let her live it down. 2) They have been going out with each other for two months.
  11. Organic chemisty(Please check)

    When drawing a kekule structure for CH3CH2OH(alcohol) do I leave the OH at the end just like it is (OH) or would it be shown as O-H? I know that to start of it would be -C- with an H on the top and the bottom as well as the left side and then connected to the C would be ...
  12. 8th Grade Math

    The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C? Can you please check my answer? 4−2x&...
  13. geometry please please please help

    What is the value of x in the regular polygon below? hexagon with an interior angle value of 3x please please help and thanks in advance. :)
  14. math

    Lachlan can finish a work in 45 minutes. Claire works twice as fast as Lachlan. If Lachlan and Claire work together, it will take X minutes to finish the work. What is x minutes?
  15. Physics

    I have to design a procedure which will allow me to calculate the applied force(thrust) of a stomp rocket. We are allowed to use tools to find measurements. So far, I have calculated the height that the rocket reached (22.5) m using trig. (right angle triangle where one angle ...
  16. 9th grade Math

    (7n-1)/(8)=6 Okay, I think I add 1 to both sides, so now I have.. (7n)/(8)=7 And then, to get n by itself I divide 7 into both sides, so now I have.. n/8=1 n=1 is what I get, but I'm not sure, could someone please check this for me?
  17. English

    1. What Don saw was a laptop. 2. I don't believe what Don said yesterday. 3. This is what Don wanted to have. 4. What Bill said was not true. 5. I don't have what he asked for. 6. That is not what Bill wanted. (Are they all grammatical? Check the sentences, please.)
  18. Algebra 1--Please, check my answers!

    Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 4. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (This the correct...
  19. check my science hw please.

    26. In the last few centuries, the number of species becoming extinct on Earth has A.decreased dramatically B. decreased slightly. C. increased slightly. D.increased dramatically I think it should be C.
  20. Math

    What do you do to check whether a number is rational or irrational? How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation. Can someone please help me with these questions?!
  21. please check--intro to finance

    ______ is the price a firm paid to acquire an asset. a) book value b) market value c) markup price d) fair value --------- My answer is B. market value
  22. math

    what is 100.00 +1.002.00 Please check your problem. 1.002.00 is not a standard way of writing a number. We don't use two periods in a number. 1002.00 1002.00 + 100.00 = 1102.00
  23. Math please check

    Identify the amount in the following application In a shipment if 1200 parts, 60 were found to be detective. What percent of the parts were faulty? a. 60 b. 1200 c. what percent d. shipment answer: c
  24. MATHS

    Could you please check my answer? If the accident happened on the 8th of November and then Trent spent 3 weeks and 1 day in hospital, on what day did he get out of hospital? ANSWER: 30th of November
  25. math

    The nurseryman brought six different varieties of trees to plant in six locations in the park. In how many different ways can he plant the trees Please check my answer = 720
  26. Spanish 1-Please check my answer

    Eres mayor o menor que tu hermano? Would I say Soy mayor que tu hermano. if I was older than him? or should I say something else? Thank you
  27. mass media

    what is today's publishing conglomerates and the organization of todays'publishing industry? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this ...
  28. Math

    Naomi and 50 red beads and white beats the number of red beads is one more than six times the number of white bees how many red beans does Naomi have. What does one more than six times the number of white beads mean coming from me Alexis I do not know how to show my work you ...
  29. Math-Sorry I had a mistake in the first problem.

    Please check my work: Label the dependent and independent variable. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent variables? ...
  30. Universe and the Stars-Please Check

    Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to be more evolved than ...
  31. Spanish

    Please correct my work please: This is what I'm working on: Command form(imperative mood)negative familiar/polite. I have to change the following affirmative commands to the negative form. (write the word no, the object pronoun(s), and the negative command in the spaces to the...
  32. 5th grade LA

    Can you check these? Find the prepositional phrase in each sentence. Circle the preposition, and underline the object of the preposition. 26. After it was fixed, he thought about how to make it work better. prep: about obj: ? 27. The engine needed a lot of water in it to make ...
  33. alegebra

    1. What is the factored form of 4x 2 + 12x + 5? (1 point) (2x + 4)(2x + 3) (4x + 5)(x + 1) (2x + 1)(2x + 5) (4x + 1)(x + 5) 2. What is the factored form of 2x 2 + x – 3? (1 point) (2x + 3)(x – 1) (2x + 1)(x – 3) (2x – 3)(x + 1) (2x – 1)(x + 3) 3. The area of a ...
  34. English Check answers

    Identify the number of independent and subordinate clauses in the following group of words. When Janine does volunteer work, she feels a sense of joy and fulfillment A. one independent clause only B. one independent clause and one subordinate clause (MY ANSWER) C. one ...
  35. someone correct my work please? fun, fun chemistry

    Okay. I'm very, very confused. The initial question is: predict the products of the electrolysis of a 1 mol/L solution sodium chloride. This is my work: The four different possible equations are: 2H2o + 2e- -------> H2 + 2OH- (V= -0.83) O2 + 4H+ + 4e- -------> 2H2O (V= 1...
  36. Math (Trig Question)

    OK, I've been stuck on this question for like.. an hour. Prove how cos 2x = 1. Thanks for the help! Nvm... lol I got it. There was a typo. Sorry!
  37. pre calc

    express the followinf trig functions in terms of an acute angle. (a) cos 143 degrees (b) tan 192 degrees
  38. trig

    Is y equal to cotx, tanx, cosx, or sinx if its graph is periodic with a period of 2pi, an amplitude equal to 1, and it passes through the origin?
  39. trig.

    A 2000 pound car is parked on a street that make an angle of 12 degrees with the horizontal figure Find the force perpendicular to the street.
  40. Math Trig

    Find the Cartesian form of the parametric equation. x = (2a)(cot T) y = (2a)(sin^2 T) how? lol here's what i got y = (sin^2 T) y = (2a)y^2 y = 2a then? do the same for X? i'm stuck there
  41. trig

    A car travels around a circular track at 185 miles per hour. Is this a linear velocity or an angular velocity? Explain.
  42. trig

    a vertical pole 3 meters tall casts a shadow 1.8 meters long. what is the angle of the elevation of rhe sun to the nearest minute?
  43. Trig/Math

    Write the equation of the cosine function with an amplitude of 1, a period of 3pi/7, a phase shift of -pi/5, and a vertical shift of 2 units down.
  44. trig

    {Given: cos(A)=\frac: sqrt{203}/{18} {Find: tan(A) Find the positive value of the above in simplest radical form.
  45. trig

    draw the graph of 4sin(x+30) and 2+tanx for values of x from 0 degree to 360degree and obtain the solution within the range of the equation 4sin(x+30)-tan x=2
  46. trig

    Solve the equation for cos(3theta/2).tan(3theta/2)for greater than or egual to zero but less than 2pi. Write your answer as a multiple of pi.
  47. trig

    Suppose that the point P(13,-30) is on the terminal side of the angle theta in standard position. What is sin(theta)? Give your answer to the nearest thousandth
  48. trig

    If θ is an angle in standard position and its terminal side passes through the point (20,-21), find the exact value of sec(θ).
  49. Trig

    what is the amplitude, period, phase shift, and vertical shift of each equation? 1. y= A cos(B(x-3))+4 2. y=-2sin(2piX/3) 3. y=4cos(3pi(x+3)) 4. y= -3cos(2(x-pi/4))+0.4 thank you so much!
  50. algebra-trig help asap

    An isosceles triangle has a base 36 cm long and a base of 65 degrees. Find its perimeter. I'm not sure if this is right but my answer is 1250.4 in^2
  51. algebra-trig help asap

    Write an equation I'm not sure how to do this though. The sine of x with an amplitude of 4, period of 3(pie) and phase shift to the right of pie/4
  52. trig

    A tree casts a shadow of 27 meters when the angle of elevation of the sun is 26 degrees. Find the height of the tree to the nearest meter. a. 24 m b. 15 m c. 320 m d. 13 m
  53. trig

    two intersecting sides are 250ft and 170ft, angle between is 55 degrees. use the 250ft side as the base, what is the height of the triangle
  54. trig

    Given BC = 53 cm, BD = 62 cm, CD = 80 cm, ABC = 53°, and ACB = 66°, find the following. (Round your answers to the nearest whole number.) (a) the length of the chainstay, AC AC = cm (b) BCD BCD = °
  55. Trig

    Three circles with radii of 4, 5, and 6 cm, respectively, are tangent to each other externally. Find the angles of the triangle whose vertexes are the centers of the circles.
  56. Trig

    Solve the multiple-angle equation. (Enter your answers as a comma-separated list. Let n be any integer. Enter your response in radians.) sec 9x = 2
  57. (pls help) Trig

    point P and Q are respectively 24m north and 7m east of point R. What is bearing of Q and P to the nearest whole degree.(a)52(b)164(c)134(d)159
  58. trig

    if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?
  59. Trig Identities

    Explain why Sin of theta= -The square root of 1-cos^2 theta is not an identity, using either graphical or numerical reasoning.
  60. trig

    Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
  61. trig

    Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
  62. trig

    Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
  63. Trig. Math

    A circle of radius 2 inscribed in a right triangle. Find the simplest expression possible for the triangle's area as a function of its hypotenuse.
  64. Trig

    Use the given information to evaluate sin (a-b). Exact answers. No decimals. Sin a = -7/25, cot b = 8/15; neither a nor b are in quadrant III.
  65. Trig

    Use the given information to evaluate sin (a-b). Exact answers. No decimals. Sin a = -7/25, cot b = 8/15; neither a nor b are in quadrant III.
  66. math

    Use Green's Theorem to evaluate F(x, y) = y cos x − xy sin x, xy + x cos x , C is the triangle from (0, 0) to (0, 4) to (2, 0) to (0, 0) I kind of understand how to do this , but I am having trouble with the trig
  67. trig

    I need help setting this problem up. A force of 36lb is required to hold a 70lb toolbox on an incline. What angle does the incline make with the horizontal?
  68. trig

    1. The sides of a triangle, in centimetres, are given by 3n-4, 3n+9, 4n+5. Draw a diagram to show the information. If the perimeter of the triangle is 114 cm, find the length of each side.
  69. algebra 2 and trig

    The scores on a chemistry test are normally distributed. Approximately 95 percent of the scores fell between 78 and 92. What is the standard deviation for this distribution?
  70. Trig

    Find the exact value of csc 4pi/3 What I have determined thus far: 4pi/3 = 60 degrees sin = square root of 3/2
  71. Trig

    a road is inclined at an angle of 45degrees. After driving 300 feet along this road, find the driver's increase in altitude.
  72. Precalculus

    Rewrite as single trig function: sin(8x)cosx-cos(8x)sinx I know I can simplify sin(8x) into 4sin2xcos2xcos4x, but I'm stuck after that
  73. Intro to Trig

    Which of the following best corresponds to the x-value where the function f(x)=cos x is a minimum in the interval x = [25,30]? A) 25.1 B)26.7 C)28.3 D)29.8 Can someone show me how to solve this step by step? Thanks :)
  74. Trig help

    Find the cos(Θ) of an angle in standard position if the terminal side passes through the point (4, -8). -2 -2/sqrt5 1/sqrt5 2 I think it is C but I am not so sure.
  75. Trig

    Find the derivative. {sqrt(x+8)}*(x^2+20x) (x+8)^1/2(2x+20) minus (1/2)(x+8)^-1/2(x^2+20x) I'm not feeling confident I am on the right track and I have a quiz tomorrow over this.
  76. Trig

    the graph of an inverse trigonometric function passes through the point (1,pi/2). which of the following could be the equation of the function Y=Cos^-1 x Y=cot^-1 x Y=Sin^-1 x Y=Tan^-1 x
  77. trig

    If a triangle has an area of 50 square units and has angles that measure 15, 65, and 100 degress, find the length of the shortest side to the nearest tenth. Do not round till the final answer.
  78. trig

    If a triangle has an area of 50 square units and has angles that measure 15, 65, and 100 degress, find the length of the shortest side to the nearest tenth. Do not round till the final answer.
  79. trig

    What is the shortest possible length of a triangle side facing an angle of 20 degrees, if one of the other sides is 5? (answer should be a decimal number, correct within 0.001)
  80. maths

    in right angled triangle ABC, angleBis90 degree and C is an acute angle of60degree. Also sin m<C=c/b. Find the following trig ratios.(a)mBC/mAB (b)cosec30degree
  81. TRIG

    Verify the following identity. 1) sin(x+y) __________ = tanx+tany cosxcosy 2) Write cos3x in terms of cosx I cannot figure out how to solve for identities they are so hard. Any help appreciated!:)
  82. trig

    Simplify and write the trigonometric expression in terms of sine and cosine: cot(-x)cos(-x)+sin(-x)=-1/f(x)=f(x)=____________ I've tried everything, I think that the "-1/f(x)" part is screwing up my answer but I'm not sure what it's asking me to do with that?
  83. Trig

    Last question! Just seeing why I’m getting these wrong In a right triangle with a leg of 4 and a hypotenuse of 8, find the measure of all angles. Correct answer: 30deg, 60deg, 90deg How?
  84. English

    Please check if my memo is correct MEMORANDUM To: Managers of Semper Absum Insurance From: Walter smith Date: October 29, 2008 Re: Increase Employees work efficiency Effective from one week from today, all employees must have their one-hour lunchtime away from their desks. ...
  85. help with controls

    Please help us. Our experiment involved the formol titration of hydrolyzed and unhydrolyzed peptides, to determine the amino acid sequence of a polypeptide chain. We also did work with silica strips to determine the Rf values of amino acids. What are the controls for our ...
  86. Math Please

    My questin is If r=5z then 15z=3y, then r= I just can't seem to determine how to set this problem up. I tried subsutition but that doesn't work for me either? Thanks in advance I assume you want to define r in terms of y. If r = 5z, then 3r = 15z. Therefore, 3r = 3y. I'm sure ...
  87. AP>PHYSICS<>please help!

    If you have 4 points on a plane you can join them all with non-crossing paths, its possible. But if you try 5 points it seems like you cant do it. Prove that it doesn't work using Euler's equation. There's 5 vertices, 9 edges and 6 faces.
  88. Algebra

    Solve the system of equations using substitution. x + 4y = -5 3x - 8y = 45 When I tried to solve it, I got x=-17 and y=-3. When I plugged these into the first equation, it didn't work out at all. Could someone please show me the steps so I can see where I went wrong? Thank you!
  89. math

    Jethro is an employee at the New Capitol T -Shirt shop makes $16.00 per hour, measured in quarter hours. If he begins work at 9.30 AM, what time it will be when Jethro has earned $100.00 ? ( can you please write the steps. thankyou )
  90. Math

    Jethro is an employee at the New Capitol T -Shirt shop makes $16.00 per hour, measured in quarter hours. If he begins work at 9.30 AM, what time it will be when Jethro has earned $100.00 ? ( can you please write the steps. thankyou )
  91. Chemistry

    What mass of oxygen is consumed when 1.73L of carbon dioxide (STP) are produced in the following equation. C4H8 + 6 O2 > 4 CO2 + 4 H2O please help and show your work. My answer for this problem is 11.12g/O2. I have no confidence in my answer.
  92. PHYSICS NEED HELP ASAP

    A car traveling 16.0m/s crates into concrete embankment and steps in 0.08s. Calculate: the initial speed in mi/hr the average acceleration of the car during the collision in m/s^2 Please show all work than you
  93. NEED HELP ASAP PHYSICS

    A car traveling 16.0m/s crashes into concrete embankment and stops in 0.08s. Calculate: the initial speed in mi/hr the average acceleration of the car during the collision in m/s^2 Please show all work than you
  94. physics

    Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s. calculate sallys total displacement? which i did and got 200 cm Displacement during the 5th second? can you please help and show all work
  95. Polynomial Function

    Could you please check my answers? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 -I got: f(x)=-4^3+12x^2-4x+12 3.n=3;4 and i zeros;f(-3)=60 -I got:f(x)=6x^3+24x^2+6x+24
  96. Math yeild on stocks

    please check my answer thanks :) The Klien company paid a diividend of $.42 per share last year . The current selling price of the stock is $27.38. the current yeild on the stock is... my answer is 6.5%
  97. Algebra ...Please check this to see if I am corect

    For the following equation, state the value of the discriminant and then describe the nature of the solutions. 6x^2-3x+2=0 I came up with the value of the discriminant as 35. Then I came up with it has two real solutions. Is this correct?
  98. Physics

    A child pushes a toy box 4.0m along the floor with a force of 6.00N directed downward at an angle of 37.0 degrees to the horizontal. a. How much work does the child do? b. Would you expect more or less work to be done if the child pulled upward at the same angle? a) The work ...
  99. Trig

    Find sin(s+t) and (s-t) if cos(s)= 1/5 and sin(t) = 3/5 and s and t are in quadrant 1. =Sin(s)cos(t) + Cos(s)Sin(t) =Sin(1/5)Cos(3/5) + Cos(-1/5)Sin(3/5) = 0.389418 Sin(s-t) =sin(s)cos(t) - cos(s)sin(t) =sin(-3/5)cos(1/5) - cos(1/5)sin(3/5) =Sin-3/5 cos-3/5 = -0.46602 HELP ...
  100. psychology

    Which of the following is stressed by the APA professional code? A. high levels of competence, integrity, and responsibility B. use of the scientific method in testing hypotheses C. application of scientific research methods to the study of human and animal behavior Please ...
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