Trig check my work please?

90,377 results, page 71

  1. trig

    If each leg has length 5 meters, what are the lengths of the other leg and the hypotenuse
  2. Trig

    Solve for t algebraically: inverse cos(t) = inverse sin(t). Where do I start?
  3. Trig

    Is a triangle that has sides which measure 8, 15, and 17 a right triangle? Justify your answer, ie,
  4. trig

    sin2piex-cos5piex Is this a sinusoid? No. because 2 pie x and 5 pie x are not the same/equal.?
  5. math

    Trig Identities prove sinx+1 \ 1-sinx = (tanx+secx)^2
  6. English

    You forgot to check these other sentences. I really hope you can go through them, too! 1)Can you check the following sentences for me, please? Can you please tell me a synonym for the words in parentheses? Thank you. 1)Alonso is shipwrecked near an enchanted island with his ...
  7. Chemistry

    We have been getting numerous questions like this on assignments and I can't figure them out. Its like I know that there some way connected but I can't figure it out. This is for Chemistry in highschool and its likea review and so they are not going over it but I would still ...
  8. Science

    What are the advantages of slower population growth? Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. No diseases and over crowd True. But a society can provide food, jobs, and medical services if ...
  9. French 1

    F Rewrite the following sentences replacing the expression of time with the word in parentheses making any necessary change.My response are bulleted. Please check for me. Thanks again much!!!!! 1.(hier) Aujourd'hui, personne nelave la voiture. (Yesterday) Today, person nelave ...
  10. Dog Breeds

    Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a high-rise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A
  11. Math Please check these

    Find the Perimeter and area of each square and rectangle. On my actual paper I have the cm and in behind the numbers along with the area's squared sign I just didn't know how to put that on here. 1. L2 W3 A=6 P=10 2. L1 W1 A=1 P=4 3. L7 W1 A=7 P=16 4. L7 W7 A=49 P=28 5. L6 W4 ...
  12. Math(Please check)

    You invest $3000 in a savings account where you earn 4% interest compounded continuously a) what is the formula A(t) for the balance after t years? A(t)=3000e^0.04(t) b) How long will it take for the money to double? 6000=3000e^0.04t Is this the correct setup so far or would I...
  13. algebra

    Create a unique example of dividing a polynomial by a monomial and provide the simplified form. Explain, in complete sentences, the two ways used to simplify this expression and how you would check your quotient for accuracy. please explain :/ i only remember one way to solve ...
  14. English

    Please Check, Thank You! When choosing your search strategy for a search engine, it's best to A. Combine keywords into phrases by using quotation marks B. Enter the least important word first C. use verbs, articles, and capitals D. Ignore alternate spellings Answer A
  15. @lucina0555

    I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...
  16. @the dude

    I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...
  17. @Cray

    I have removed the entire test you posted -- without any thoughts of your own, sad to say. If you wish to post the 4 or 5 that you absolutely cannot figure out after reading and re-reading your text, please do so, but be sure to include what YOU THINK the answers are. Then ...
  18. English

    1. The fish I ate upset me. 2. The fish I had eaten upset me. (One more similar question, please. Are both OK? Because of the tense, #2 seems to be better. What about #1? Are both OK? Is there any difference between them?) 3.I had finished the work before my boss came back. 4...
  19. Chemistry

    Determine the simplest formula for compounds that have the following analyses. The data may not be exact. A. 28.5% iron, 48.6% O, 22.9% S This is what I did: 28.5g Fe 1 mole Fe/55.847g = .51 mole 48.6g O 1 mole O/15.999g = 3.04 mole 22.9g S 1 mole S/32.064g = .71 mole (Fe1.0 ...
  20. Writing

    Would you please proof read and give any suggestions on making this a polished piece? For the past three months work-related problems have occurred, causing conflicts among co-workers. The ongoing problems require attention in order to better assist our daily clients. The in-...
  21. Math

    Solve the equation and show the check of the potential answer(s). If any answers are excluded values, state this on your answer sheet. a2 + 4a - 5/a2 + 2a - a + 3/a + 2 =1/a2 + 2a Can someone please show me how to do this problem with checks? I have submitted it to my homework...
  22. physics please help

    black bart and wyatt earp have a race. wyatt moseys 400m in 58.0s and bart moseys the same distance in 60.0s. by what Distance does wyatt beat bart in this race? Please show all work would greatly appreciate have a test coming up and i don't understand at all how to do it
  23. FINANCE

    Direct send-Single. Ocean Research of San Diego, California, just received a check in the amount of $800,000 from a customer in Bangor, Maine. If the firm processes the check in the normal manner, the funds will become available in 6 days. To speed up this process, the firm ...
  24. Finance

    Direct send-Single. Ocean Research of San Diego, California, just received a check in the amount of $800,000 from a customer in Bangor, Maine. If the firm processes the check in the normal manner, the funds will become available in 6 days. To speed up this process, the firm ...
  25. Chemistry

    How many mole of H2 will be produced if 0.500 grams of magnesium is reacted with 10.00mL of 2.0 M HCl? I've concluded the answer is 0.02 moles of H2, but I'm doubting myself a lot because I don't understand the aspects of the balanced chemical equation and how that affects the...
  26. English 7 - Check in My Notebook Day (plz read)

    Ok tomorrow at my school we are having Check in My Notebook Day. It's a day when all of your teachers check your binder and/or notebook to see if you have all of your handouts they have you, notes you take in class, you date each classwork papers in order, and papers don't ...
  27. trig

    convert 80 degrees into radians 80 deg *2PI rad/360 deg = ?
  28. Trig

    Find the area of ABC if A=56 degrees, b=20ft, and c=12ft. 1/2(20)(12)sin56 1/2(240)sin56 99.5
  29. Trig

    Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (x=theta BTW)
  30. trig

    If sinx = -3/5, tan x > 0, sec y = -13/5 and cot y < 0, find the following: a. csc(x + y) b. sec (x - y) How do I get the answers of a. -65/33 b. -65/16 Thank you
  31. trig - identies

    Assume that A and B are in standard position and that sin A = 1/2, cos A >0, tan B = 3/4, and sinB<0 Cos (A-B)
  32. Trig

    Rules of Logarithms: Can someone explain how to do: 1) e^(2(ln)(x)) 2) e^(-lnx) I know the rules I just don't understand how they apply.. thanks!
  33. trig

    Given that sin(5x-28)degree=cos(3x-5),0 lessthan x lessthan 90degree,find the value of x.
  34. trig

    find the fundamental solution set (FSS) for(cos2θ)(tanθ+1)=0
  35. Trig

    Given that tan(pi/2) = a. Express tan(x) and sin(x) in terms of a. Hint: Use the fact that x = 2.(pi/2)
  36. trig

    given that tan(x/2)=a. Express tan(x) and sin(x) in terms of a. Hint: use that fact that x= 2*(x/2)
  37. Trig.

    In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B?
  38. Pre- cal Trig

    2cos^2x=cosx. Can you subtract the cos from cos^2? Or what would i have to do?
  39. Trig, Math

    State the amplitude, period, phase shift, and vertical shift of f(x)=2cos(1/2x-pi/6)-1/3
  40. Math/Trig

    Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.
  41. trig

    Cos theta= 1/3, find the remaining trigonometric functions of the acute angle theta
  42. trig

    The parametric equations for a curve in the x-y plane are x=2+t^2 and y=4-3t. Determine the points where the curve intersects the x-axis.
  43. trig

    if x and y are positive acute angles, tan x=1/3and tan y =1/4, find the value of sin(x-y)
  44. trig

    Use the appropriate identity to find tan(theta) given that cot theta =0.05.
  45. trig

    Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2 - theta)
  46. trig

    whatis the possibilities for the square root of 2 times tan theta = 2 sin theta
  47. trig

    a right triangle contains a 25 angle. if me leg is of length 5 inches what is the length of the hypotenuse
  48. Trig

    Prove that the equation is an identity: cot4theta - csc4theta = -cot sq theta - csc sq theta How ??
  49. Trig

    3. In the figure below, the perimeter of the parallelogram ABCD is (6a + 8b + 29) and the perimeter of the triangle ACD is (3a + 4b + 32). What is the length of AC
  50. Trig

    cos45cos25 - sin 45sin25 = ?? a. cos70 b. sin70 c. cos 20 d. sin 20 which answer is correct ?
  51. Trig

    If the center of a circle is at (2,2) with a radius of 4 the equation of the graph would be : a) (x-2)^2 + (y-2)^2 = 16 b) (x+2)^2 + (y+2)^2 = 16 I think it would be b is that correct?
  52. trig

    A ship sails 40 miles SOUTH and 15 miles EAST. Find the bearing from where it began? HELP.
  53. trig

    find all the values of X between 0 and 2π such that cos(3x-π/2) = √3/2
  54. Trig

    Is the angle 11pi/12 on the unit circle the same as the angle -pi/12? I'm thinking it would be, but I'm not sure.
  55. Trig

    What is the exact value of tan(s+t) if sin(s+t)=56/65. And cos(s)=5/13 and sin(t)=4/5. Everything is in the first quadrant
  56. trig

    If it is given that tan(A-B)=tanA-tanB/1+tanAtanB and tanP-1/1+tanP=tan195 find p
  57. Precalc with Trig

    What value(s) of x from 0 to 2pi solve the following equation: cos squared x - cos x - 6 = 0
  58. trig

    find the minimum and maximum value of sin100 degree plus cos100 degree
  59. Trig

    Evaluate and simplify cos(-15º). Hint: Substitute 30º-45º for -15º.
  60. trig.

    If P (x, y) is the point on the unit circle determined by the real number θ, then tan θ= x/y y/x 1/x 1/y
  61. Trig

    If the terminal side of an angle theta contains the point (-1,3), find secant theta.
  62. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Cos(A-B).
  63. PE CHECK ANSWERS

    15. Who should address the needs of a patient with a mental disorder? A. speech therapist B. An internal Medicine Doctor C. A mental health Professional*** D. A medical intern 12. If you've started a lot of hobbies all at once, you should watch out for clinical depression to ...
  64. One more Chem

    One more A helium balloon has a volume of 2.30 L at 23.5 deg C and a pressure of 1.00 atm at sea level. the ballon is released and floats upward. At a certain height the atmospheric pressure is 0.810 atm and the temp is 12. C. What is the volume of the balloon? ????? ??? (P1V1...
  65. 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 the system. (a) For ...
  66. Calculus - Integrating

    Question: ∫(x^2)/sqrt(x^2+1) u=x^2+1 , x^2= u-1, du=2xdx ∫(u-1)/sqrt(u) , expand ∫u/sqrt(u) - 1/sqrt(u) Integrate: 2/3(u^(3/2)) - 2u^(1/2) + c My answer: [ 2/3(x^2+1)^(3/2) - 2(x^2+1) + c ] When I took the derivative of this to check my answer, it was not (x^2)/sqrt(x^2+...
  67. Grammar and Composition

    please check: indicate the relationship of each pair by writing S for synonyms, A for antonyms, and H for homonyms. 1. here/hear : H 2. opinioned/unyielding : A? 3. altogether/all together : H 4. misunderstood/misinterpreted : S 5. moderate/excessive : A 6. course/coarse : H 7...
  68. statistics/ please help ASAP

    a set of data is normally distributed with a mean of 500 and a standard deviation of 100. a) what would the standard score fora score of 700 be? b) what % of scores is between 500 and 700? c) what would the percentile rank for a score of 700 *please show and answer all ...
  69. To Reiny

    Reiny could you please check my Calculus post below, it says Calculus--Reiny.
  70. bobpursly & countiblis,math

    I thought that we can solve anything with equations is it always polynomials. Isn't this the same thing as finding the unknown for an equation. As i said in my previous message or am i wrong. Also what about the rational expressions what are some challenges about working with ...
  71. calculus

    find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x = 1/2 For the vertical ...
  72. kaley

    find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x = 1/2 For the vertical ...
  73. Health/Law

    Please check my answer thanks:) Bob obtains a judgement against Ned and knows that Ned earns a good salary Bob should.... 1. obtain an order of garnishment 2. obtain a writ of execution I picked #1
  74. Health/ Basic Clinical Procedures

    please check my answer thanks true or false Mercury glass thermometers are being repalced by disposable,and digital thermometers mainly because the riskof mercury posoning I said true
  75. Latin

    can you please check my declensions? socius soci socio socium socii sociorum sociis socios sociis gladius gladi gladio gladium gladio gladii gladiorum gladiis gladios gladiis Thanks for your help
  76. Math

    Im going to try another percentage problem. Will you please double check me. Thanks for all your help! 2580/4440=.581081081 Change to percent and round to nearest tenth. .581081081*100=58.108 rounded to nearest tenth is 58.1%
  77. English

    Can you please check these questions, too? Thank you. 1) Answer four of the following six questions. For each question write ten lines only. 2)Do not exceed the space provided. One of your four answer will be evaluated as an oral test.
  78. chemistry(Please Check)

    You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank, and measure the pressure of the gas. At what temperature, in Celsius, would you read a pressure of 4.5 atm ? 298
  79. As physics

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Calculate the number of free electrons per metre length of ...
  80. Calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 532.] Enclosed ...
  81. calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ...
  82. calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example page 1028.] Enclosed ...
  83. Chemistry (Check)

    Calculate the DHrxn of C6H12O6 (s) + O2 (g) --> CO2 (g) + H2O (l) with DHf. C6H12O6(s) -1260.04 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O (l) and my work: DHrxn = [12mol(-393.5+(-285.840))] - [7mol(-1260.04+0...
  84. English

    Can you please check the following sentences for me, please? Thank you 1) The first inhabitants of Great Britain were the Iberians. They were followed by the Celts. 2)) They were organized in tribes (or used to live in tribes?) and were skilled (a synonym? experienced, ...
  85. Math

    a. Which values from the set {1, 2, 3,4} are solutions of (line _ this > )2x +5) Show your work? b. which values from the set {1,2,3,4} are solutions of 11 > 2x + 5? Show your work. How are your answer from parts a and b different? How can I tell the answers are ...
  86. Hamlet Check

    Please check my answers 6. Hamlet awaits the appearance of the ghost on: a. the moor near the battle ground b. near Birnam Woods c. the ramparts of Elsinor Castle d. the cellar of the castle My answer B 7. Hamlet is denouncing the celebration that the King is partaking in ...
  87. solving for x math

    2e^(4x^2)=3 how do i solve for x. do i use the ln methode because i don't know how to do that. by calculator, i got x=.168 but i don't know how to show my work. please help me solve for x. Take natural logs of both sides. ln 2 + 4 x^2 = ln 3 4 x^2 = ln (3/2) = 0.40547 x^2 = 0....
  88. Economics

    suppose you have a factory that makes pens and the demand for the pens decline, and there are more people willing to work due to a recession. does this result in an increase in supply? please explain
  89. simple chem

    a balloon with a volume of 1.375 L is released from earths surface at sea level. what will the balloon occuy at an altitude of 20.0km, where the pressure is 10 kpa? pleasee help!! show work please
  90. General Question

    On a home work assignment it gives the page number and the problems to do followed by E3P. Does that mean every 3rd problem.(It shows 1-26 E3P, but I thought it would be 1,3,6,9,12,15,18,21,24,27) Please help. Thanks
  91. 7th grade math

    Solve by applying the counting principal. When using a four number PIN, how many different PINs are possible? a*b*c=___ I need help.. how do I work this? Step by step please.
  92. precalculus

    i need help with homework which is due tommorow determine algebraically whether the graph of the given equation is symmetric to the y axis the x axis or the origin the equations are 5y=7x^2-2x can u show work please thanks in advance
  93. physics

    A 22 kg sphere is at the origin and a 12 kg sphere is at (x, y) = ( 22 cm , 0 cm) At what point or points could you place a small mass such that the net gravitational force on it due to the spheres is zero? please show all of work...i don't get it
  94. Calculus

    Find the solution of the logarithmic equation: ln(x+8)+ln(x–8)=0 Im not sure how to approach this one. I tried moving the ln(x-8) to the other side and solving for x and that did not work. I also tried putting everything as an exponent to e. please help! thanks
  95. Physics

    I NEED HELP! Already answered on here but does not make sense/work. Please HELP! A 2.7 kg balloon is filled with helium ( density = 0.179 kg/m^3). If the balloon is a sphere with a radius of 5.2m , what is the maximum weight it can lift?
  96. math

    You invest money that pays 6.3% interest/year compounded quarterly. How long should you invest if want to double initial investment? I tried A=P(1+r/n)^nt, but it didn't work, using A=2P. the principle is not given. Please help
  97. math

    a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!!
  98. Chem II

    Find the mass of sodium formate that must be dissolved in 200.00cm^3 of a 1.0M solution of formic acid to prepare a buffer solution with pH=3.40? I have no clue how to work this out. Please help me.
  99. Statistics

    Suppose. Population of test-scores is normally distributed with mean 65 and standard deviation 13 x~n (65,13) if you select a test at randome what is the probability that the score is below 60 or that it is between 65 and 70 please show work!
  100. AP Calc Help!!

    Let f be the function satisfying f'(x)=x√(f(x)) for all real numbers x, where f(3)=25. 1. Find f''(3). 2. Write an expression for y=f(x) by solving the differential equation dy/dx=x√y with the initial condition f(3)=25. Please show work and reasoning.
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