Trig check my work please?

42,204 results, page 85

  1. trig

    how do you solve Fcos29(degree)-210.308-0.58Fsin29=0 Solving for F? F(cos269-.58sin29)=210.308 F= 210.308/(cos269-.58sin29)
  2. Trig

    A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
  3. Trig

    A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
  4. Trig

    A ship leaves port with a bearing of S 40 W. After traveling 7 miles, the ship turns 90 degrees on a bearing of N 50 W for 11 miles. At that time, what is the bearing of the ship from port?
  5. CHEMISTRY

    Observations Mass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G Initial Temperature of metal: 20 Initial Temperature of water: 20 Final Temperature (both metal and water): 100 Determine the heat gained by the water...
  6. math trig

    A Ferris wheel with a diameter of 37 meters rotates at a rate of 4 minutes per revolution. Riders board the Ferris wheel 4 meters above the ground at the bottom of the wheel. A couple boards the Ferris wheel and the ride starts. Write a formula for the height of the couple t ...
  7. trig

    Solve the equation for cos theta-tan theta=0 for greater than or egual to zero but less than 2pi. Write your answer as a multiple of pi, if possible form the following choices: pi , 5pi A. --- ---- 4___ 4 B. pi 3pi 5pi 7pi ----- '----- '-----'----- 4_____ 4_____ 4______4 C. pi...
  8. economyst check!

    In many families both parents work, as a result there is increasing need for day care. Data was collected; and one year in Canada approximately 32% of children aged 0 to 11 years were in day care for at least 20h per week. What is the probability, in a random poll of 60 ...
  9. AP CHEMISTRY

    A 2.75 g sample of the hydrocarbon acetone, CH3COCH3, is burned in a bomb calorimeter with 975 mL of water, initially at 23.50 degrees celsius. The bomb is constructed of 285.0 g of nickel metal having a specific heat capacity of Cp = 0.826 J/ g degrees C. The final ...
  10. CHEMISTRY

    A 2.75 g sample of the hydrocarbon acetone, CH3COCH3, is burned in a bomb calorimeter with 975 mL of water, initially at 23.50 degrees celsius. The bomb is constructed of 285.0 g of nickel metal having a specific heat capacity of Cp = 0.826 J/ g degrees C. The final ...
  11. AP Chemistry

    A 2.75 g sample of the hydrocarbon acetone, CH3COCH3, is burned in a bomb calorimeter with 975 mL of water, initially at 23.50 degrees celsius. The bomb is constructed of 285.0 g of nickel metal having a specific heat capacity of Cp = 0.826 J/ g degrees C. The final ...
  12. trig

    1. 3cot^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 4pi/3, 5pi/3 2. 4cos^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 5pi/3, 4pi/3 3. 2sin (x) + csc (x) = 0 My answer: unknown lol i got to the part: sin^2 (x) = -1/2 4. 4sin^3 (x) + 2sin^2 (x) - 2sin^2 (x) = 1
  13. LA

    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 ...
  14. Physics need work checked

    Physics lenses. Please help, my math is wrong and I need second opinion.? Consider three lenses with focal lengths of 25.9 cm, -15.8 cm, and 10.0 cm positioned on the x axis at x1 = 0 m, x2 = 0.412 m, and x3 = 0.514 m, respectively. An object is at d = -121 cm. Find the ...
  15. Pre-Cal Trig

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle of α = 37° ...
  16. physics

    you push a physics book 1.50m along a horizontal tabletop with a horizontal push of 2.40 N while the opposing force of friction is 0.600 N. How much work does each of the follwing forces do on the book? A) you 2.40N push. B) the friction force. C) the normal force from the ...
  17. HELP WITH ENGLISH

    Jay and Jaylene have four brothers. All four have a poor work ethic. Therefore, Jay and Jaylene _________ pleased with any of their work habits. are'nt brother's aren't brothers' aren't brother's are'nt brothers' There is no such word as are'nt, so numbers one and four are out...
  18. Chemistry Help? Thanks

    At what temperature do KCL and KNO3 have the same solubility If a saturated solution of KNO3 at 20.0 C is heated to 80.0 how much more could be dissolved? If a saturated solution of KCL at 90.0 C is colled to 30.0 C how much of the solid will precipitate? How much NaCL will ...
  19. CHEMISTRY

    At what temperature do KCL and KNO3 have the same solubility If a saturated solution of KNO3 at 20.0 C is heated to 80.0 how much more could be dissolved? If a saturated solution of KCL at 90.0 C is colled to 30.0 C how much of the solid will precipitate? How much NaCL will ...
  20. college algebra

    1. answer the following for the given quadratic function f(x)=x^2+10x-11 a.what is the vertex (h,k) of f? b. what is the axis of symmetry? Please show work. 2. if f(x)=Inx, g(x)=e^5x, and h(x)=x^6 find the following a. find (fog)(x)= what is the domain of fog? b.find (gof)(x...
  21. GEOMETRY/PROP 2

    72% of employees bring their children to day-care centers before work. If there are 465 employees, how many do not bring their children to day-care before work ? 72:465 & x:465 is what I started with but I can not get the correct answer. need help.
  22. math

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home?
  23. English Grammar

    You work hard. In this sentence, 'work' is the form of the present tense. We use the base form of a verb for the form of the present tense verb. ----------------------------------- Is my explanation above grammatical? Which one is right, base verb or basic verb?
  24. Trig

    Two ships leave a harbor at the same time. One ship travels on a bearing S11 degrees W at 12 mph. The second ship travels on a bearing N75 degrees E at 9 mph. How far apart will the ships be after 3 hours?
  25. PLEASE HELP!

    Mary's yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of $15 consultation fee plus $8 an hour for the actual work. Mary's neighbor has offered has offered to help her out. She doesn't charge a ...
  26. Physic II

    Heat can be transformed into work with 100% efficiency , but work cannot be transformed into heat with 100% efficiency. False right?
  27. English

    The students are not so talkative in their new seats, but, they still work well in groups. The students are not so talkative in their new seats, but they still work well in groups. Which way is correct?
  28. English

    I really need you to check my corrections. Thank you very much. 1) The town is described through the use (using, are both possible?)of similes taken from the animal world. 2) The black smoke coming out of the chimneys is compared to (not: is seen as) a snake whereas the piston...
  29. math-trig

    a concrete border is to be built around a traingular flower garden that has sides of 10m , 7m and 8m. the border is to be staight walking path 1m wide on all sides of the garden. before the concrete can be poured, wooden forms need to be placed on the inside perimeter and on ...
  30. math -trig

    a concrete border is to be built around a traingular flower garden that has sides of 10m , 7m and 8m. the border is to be staight walking path 1m wide on all sides of the garden. before the concrete can be poured, wooden forms need to be placed on the inside perimeter and on ...
  31. trig

    A plane is flying 225 mph heading South 25°West. The wind is blowing South 80°East at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the triangle? What is the ...
  32. Physics

    The world record for revolutions per minute for an ice skater is 308 RPM, held by Natalia Kanounnikova. You can see a video of the spin here. When she starts the spin and her leg is extended, she's going somewhere between 1-2 revolutions per second. Let's average this and say ...
  33. Physics Meteorite

    A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls directly to the ...
  34. english double checking

    The story of "The Turtle and the Rabbit Run a Race" teaches a few lessons. What lesson does it teach about cheating? "The Turtle and the Rabbit Run a Race" personally taught me if I don't work hard, and I cheat to earn the success I want; I will get the negative revenge of my ...
  35. Math help! Check my answers ASAP!

    1. Which graph most likely describes the distance a person walks in a 24-hour period? (1 point) a. Graph IV** b. Graph II c. Graph I d. Graph III 2. A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the next 5 seconds, and ...
  36. reading

    Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit working—knitting, sewing, drawing, and reading. Feeling left out, Laurie asks if he may join them. They admit him under the condition that he contribute something useful...
  37. Check My Work Social Studies, Ms. Sue, Reed, Please

    1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents.• enough detail. ...
  38. Social Studies, Ms. Sue, Reed, Check My Work

    1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents. enough detail.• ...
  39. Spanish 1

    I have to match the verb with the subject. 1.Maria(estudiar) 2.Nosotros(comer) 3.Yo(ser) alta, pero el(ser) 4.El y ella no(vivir) 5.Tu (estar) Maria Estudia Nosotros Comemos Yo soy alta, pero el es el y ello no viven tu estas (accent on a) (present tense) Thank you for using ...
  40. Social Studies

    Please check thanks! 1. Which action on the part of the progressives had the LEAST immediate effect on South Carolina? a. ending child labor b. ending business trusts*** c. outlawing the use of alcohol d. extending suffrage to women 2. Which amendment to the U.S. Constitution ...
  41. Physics

    A 7450kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee. The point on the orbit that is closest to the earth is called perigee. Suppose that the speed of the satellite is 2940m/s at the apogee and 8400m/s at the ...
  42. Math - Solving for Trig Equations

    Solve the following equation for 0 less than and/or equal to "x" less than and/or equal to 360 -- cos^2x - 1 = sin^2x -- Attempt: cos^2x - 1 - sin^2x = 0 cos^2x - 1 - (1 - cos^2x) = 0 cos^2x - 1 - 1 + cos^2x = 0 2cos^2x - 2 = 0 (2cos^2x/2)= (-2/2) cos^2x = -1 cosx = square ...
  43. math

    List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed by name and age. ...
  44. Work and Family Life (WFL)

    For my Work and Family Life class I my teacher gave us a picture of a child. Everyone has a child from a different country. My girl is from South Africa. On the back of the picture it talks about the girl (age, name ect. ). Then it says the child's "Dream". My girl wants to ...
  45. grammar...writing

    Hello, I wanted to know if I am correct on the question below... Thank You How are the ideas in the folowing two sentences tied together? The best time I had all summer was the night of Sherry's party. The worst was the next day. 1. a connective 2. word pointers 3. senteces ...
  46. trig sub question

    Hello, I have a question concerning trigonometric substitution. let's say we have integral of dx/sqrt(9x^2 + 4), so after doing a few steps we have: 2/3 integral of sec0/sqrt((2tan0)^2 + 4*) d0 (the * is for later on) the next step turns into: 2/3 integral of sec0/(sqrt(4tan^2...
  47. trig

    how to prove ; tan 10 degrees + tan 70 degrees - tan 50 degrees = sqrt 3
  48. math

    Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use complete ...
  49. Trigonometry

    Find cotangent theta given that cosecant theta equals -3.5891420 and theta is in the third quadrant. I was using the trig identity 1+cot^2theta=csc^2theta I wanted to isolate cotangent so I plugged in 1/sin (-3.5891420) and then squared my answer. I then subtracted one from ...
  50. Monitors of Board

    Is there any way that the postings could be numbered? The post below this one by TONY obviously refers to a previous posting of his 8 steps below. I know the URL has a number behind each particular post, and each post can be identified by a title and time/date, but with a ...
  51. Stats: Joint Density Function

    Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double integration both from 0 to 1). I worked it out (I think) ...
  52. Language arts check work

    1. In these lines from “Life Doesn’t Frighten Me,” which words rhyme? Panthers in the park / Strangers in the dark / No, they don’t frighten me at all. A.Panthers, park B.Strangers, dark C. park, dark <-----This one D. dark, all 2. The speaker in “Life Doesn’t ...
  53. Physics/Calculus

    A spherical oil tank with a radius of 10 feet is half full of oil that weighs 60 pounds per cubic foot. Its top is 6 feet underground. How much work is needed to pump the oil out of the tank through a hole in its top? How do I solve this? Does the fact that it its top is 6 ...
  54. physics

    A CD has a diameter of 12.0 cm and a mass of 15.8 g. The motor in a CD player causes the disk, initially at rest, to spin. When in operation, the CD spins in such a way that the laser scans the tracks at a constant tangential velocity of 1.20 m/s. The first track of the CD is ...
  55. Trig

    The angle of elevation to the top of a building from a point on the ground is 39 degrees. From a point 50 feet closer to the building, the angle of elevation is 48 degrees. What is the height of the building?
  56. Math

    Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and 248 cm? According to a ...
  57. Equation of a straight line.

    1. Find the equation of the line described in each case: a) Gradient 3, cuts through (0, 6). b) Steepness of 4, passes through (0, -2). c)Parallel to y = 5x - 1, cuts the y-axis at (0, 10). d)Cuts through (0, 7) and (5, 17) 2. Here are 3 eqautions: A. y + 1 = 3x B. y = -3(x - ...
  58. Social Studies

    What are four ways that congress can check the power of the president?
  59. math estimating w/fractions

    can you check my answers: estimate w/mixednumbers: 8) 9 1/11 - 3 7/9 i got: 9 - 4 = 5 9) 4 1/2 - 1 24/25 i got: 4 - 2 = 2 12) 9 8/10 + 8 2/10 i got: 10 + 8 = 18 14) 4 5/9 + 5 9/10 i got: 4 + 6 = 10
  60. please check it Writeteacher

    Sorry I meant gustatory imagery but how is the rest of the essay thanks
  61. algebra please check :(

    find the midpoint of the line segment having the given endpoints(0,5) and (0, -8). (0+0/2, -8+5/2) = (0/2,-3/2)= (0,-1.5) P = (0, -1.5)
  62. Decimals

    What is 0.4536 in expanded form? Please check: 0.4 + 0.05 + 0.003 + 0.0006
  63. French - SraJMcGin

    Can i post my paragraph for Ms.Sra to check if correct.. if possible
  64. Algebra 1 (Reiny)

    Factor each polynomial by grouping. Check your answer. 1. 2r^2 - 6r + 12 - 4r
  65. CHECK IF THESE ARE RIGHT PLEASE!

    27-(-16)=43 -16(-43)=59 -156 - 98=-254 -192 - 47=-239 0 - (-51)=-51 -63 - 89=-152 -12 - (-21)=9 92 - (-16)=108 -86 - (-19)=67 17 - (-46)=-29 -78 - (-53)=-25 THANKS!
  66. Math check

    Use the distributive property to rewrite this expression. 4(y+8) Is the answear 4y+8?
  67. Math check

    Round 9.9957to the nearst hundredths 10.0000
  68. american literature

    Can anyone check my research paper and tell me what i did worng and how i can improve it?
  69. Civics

    Which rights have allowed for citizens to check the powers of government?
  70. Algebra

    Solve algebraically and check your potential solutions: sqrt((x+2) -x =0
  71. U.S. History (Answer Check)

    What act triggered violence in Kansas?
  72. math check

    how much time elapsed from 4:43am unto 12:04 pm? 7hrs 21 mins
  73. algebra

    _5x__ + _20__ x+4 4+x change the second denominator ot x+4 Now, they have the same denominators.. (5)(x+4)/(x+4) or 5 check this.
  74. WRITING(POEMS)

    IS BUTTERYNESS SPELLED LIKE THIS BECAUSE SPELL CHECK IS NOT PICKING IT UP .
  75. Algebra

    solve the eauation check for extraneous solutions. log5 x=4
  76. math(Please check)

    Find the derivative of the following: 1=x^2+4xy+4y My answer is 2x. Is this correct?
  77. word unscramble

    xhfzhgzhoita Check the spelling. I found no matches.
  78. Algebra 1 Answer Check

    Factor this trinomial. -16x + 20x + 6 A: -2(4x + 1)(2x - 3)
  79. Math help

    Solve this equation and check answer Fraction→n/56=8
  80. math

    Can someone check my answers: write out each problem with repeated addition. 3*0= 0*13= 20*0= I got 0+0+0 0+0+0+0+0+0+0+0+0+0+0+0+0 0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0
  81. Science

    how many times does the sun appear to rise in a week? A) one B) Five C) seven D) not there I think it's c) seven. Plz check. Thank you!
  82. science

    Dr bob, can you check my reply to chem question from andy thanx
  83. Algebra

    Solve the equation 5x+7=13-7x graphically. then check your solution algebraically.
  84. Equality Studies

    What are some steps white Americans can take to check their privilege?
  85. algebra

    can someone please check my answer for me? 6-2x=6x-10x+14 I got x=-2 is this correct? if not please let me know which step I missed.. thank you
  86. Math

    Another problem with my checking. The teacher says the answer is 280 but when I try to check it I never get the right one (24-d)/16=19
  87. asu

    calculus problem is u = 7i +9j + 2 k and v = -7i -9j - 2 k. and my ans is -135 how to double check
  88. algebra

    can someone check my answer please? Solve for indicated letter. b=8c ,for c the solution is c=b/8 ? is this correct?
  89. computers

    What is the main disadvantage of relying on spell check on your computer?
  90. algebra

    graph and check to solve the linear system. problem: 2x-3y=-3 x+6y=6
  91. algebra

    please check and complete this problem using factoring and zero-product property: x^2-x-2=4 x^2-x-6=0 -3+2=-6 -3+2=-1 (x-3)(x+2=0 so either x-3=0 or ?
  92. math Please check

    Write an equation for a parabola with vertex(-2,4) and passing through (-1,8)? y=a(x+2)^2+4 8=a(1)+4 4=a
  93. Math help

    Solve this equation and check answer Fraction→n/56=8
  94. Chemistry(Please check)

    Write the n, l, ml, and ms values for the first two elements, H and He. H: n=1 l=0 ml=0 ms=+1/2 He: n=1 l=0 ml=0 ms=+1/2 for the first electron for the second: n=1 l=0 ml=0 ms=-1/2 Are these correct?
  95. algebra

    P +4- 2 (p-10)> 0 Please check, it was marked wrong P+4 -2p +20 > 0 -p+ 24> 0 -p >-24 P > 24 Answer choices are 29, 26, 24, 22 Please explain thank you
  96. Math add subtract fractions

    Can you check my answers: 2) 5/8 - 1/4 i got: 3/8 4) 1 1/2 - 2 4/5 i got: 7/10 6) 5 7/8 + 3 5/12 i got: 9 7/24 10) 3 1/2 + 2 2/5 i got: 5 9/10 18) 6 7/12 + 4 5/12 i got: 11 20) 7 9/10 + 3 3/10 i got: 11 1/5 22) 18 3/8 + 11 6/7 i got: 30 13/56 24) 26 9/10 + 72 5/6 i got: 99 11/...
  97. polynomials

    Can someone check my answer please i don't know if I am doing this right x^ (2):x= sum (x^2 )+ (x)=x^2+x diff (x^2 )-(x)= (x^2-x) Product (¡¼x)¡½^2 (x)=x^2^x
  98. College Algebra

    Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10
  99. Math - Please check answer :)

    What is the slope of the line that passes through the points (–2, 5) and (1, 11)? A. -6 B. -2 C. 2 D. 1/2 ----I think its this one...
  100. Algebra Can someone who is serious respond

    Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10
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