Trig check my work please?

90,505 results, page 31

  1. Literature

    i have to write an evaluative essay on a work of literature. i have chosen Hiroshima; The Noiseless Flash. in this essay i will write my own statement about the value of a work of literature ( ? ) and then provide reasons why your evalutation is correct and evidence to suport ...
  2. I need help with my eniglish homework I was absent

    I have been absent and I do not get my English homework! ¢¾Sandra Thank you for using the Jiskha Homework Help Forum. That alone does not help us. What sort of work are you doing in your English class? Anytime you are absent your teacher should give you list of what you need...
  3. Precalculus

    So for our review, our teacher posted the answers to the review online. I do the problem and check my work with the review, but I am questioning number 8. Here is the problem with the answer: prntscr.c0m/4rnpcn How does it equal 16? I am so clueless! G * F (1)? I got f(1)=6 ...
  4. pre calculus

    can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=-y^2+4 y=-t^2 x=-t^2+4 x=-t^3 y=-t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and directrix at y=4. answer: √(x^2 + y^2...
  5. chem/some1 check my work plz.

    air bags actived when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. this causes NaN3 to decompose explosively according to the following reaction: 2NaN3(s)=2Na(s)+3N2(g) what mas of NaN3 must be reacted to inflate an air bag ...
  6. trig

    tanx=cotx
  7. trig

    what is the perimeter of a circle
  8. trig

    evaluate log3 27
  9. math algebre2 and trig

    5>4b+9>17 - -
  10. trig

    Graph y=-sin2(x-(3.14/4))
  11. Trig

    what is 2 pi over 1/5 reduce to?
  12. trig

    What is the projection of (2,6) onto (-1,5)?
  13. trig

    ||v|| = 8 u = <5, 6> find the vector
  14. trig

    sin^2è + 2sinè +1 =0
  15. trig

    answer of 17(3/5 * 2/3 - 1 divided by 17/8)
  16. ALGEBRA 2 W/TRIG

    What is the slope for y=3/4x+1?
  17. trig

    sinL=6/7 L(alfa)=?
  18. trig

    4=log[7]2401
  19. trig

    graphs of trignometry
  20. trig

    what is the value of the discriminant x^2-9
  21. alg and trig

    6x^3-5x^2+15x+5 / 2x^2-x+3
  22. Trig

    sin^2x/sec^2x-1
  23. trig

    4cos(2x)+2cos(x)+3=0
  24. trig

    3sin(2x)-2cos(x)=0
  25. trig

    2cos(theda)-"2=0
  26. trig

    sin^-1(sin5pi/6)
  27. trig

    How do you solve csc2x + 1 = 0
  28. trig

    y = sin (3x-2pi)
  29. trig

    2cos^2+sin=1
  30. trig

    what is the reference angle for 17 pi/12?
  31. trig

    log4+log(x-7)=2
  32. trig

    log(x-15)-2=-logx
  33. trig

    Cos(2x+30)-Sin(3x-20)
  34. trig

    Graph y=-2sin(x/2-pi/2)+3
  35. trig

    evaluate cos 12*pi
  36. Trig

    cos(-11pi/12)
  37. Trig

    Sec (23π/6)
  38. trig

    SinA =0.5 cosA=?
  39. Trig

    sin/tan = ?
  40. Trig

    The radius of: (x+2)^2 + (y-3)^2 =9 is 3 is this correct?
  41. trig

    express 4/5-radical 13
  42. trig

    5pi/7 what quadrant is it in???
  43. trig

    tan-5n over 3
  44. trig

    Graph f(x)= second(2x+3.14/4)
  45. trig

    how to do root3 value
  46. trig and algerba

    6+7(t - 1) = 5(t + 7) + 8 what does t equal
  47. Trig

    How do you do this? 1-sin^2x/csc^2 x-1
  48. trig

    5sin(2x)+4cos(x)+0
  49. trig

    5sin(2x)+4cos(x)=0
  50. trig

    2sin^2x-1=0[0,2pi)
  51. Trig

    Why does 11.4(7pi/18)=133pi/30 ?
  52. trig

    what is the amplitude of f(X)=-6sin(3x-7)
  53. Trig

    What is the supplement of 3pi/5?
  54. Trig

    Find the supplement of pi/6
  55. trig

    cos(π-x)=
  56. trig

    U=5i+11j and V=2i-3j, find 2U-7U
  57. math trig

    ln(2x-5)= 4 how do i this problem? thanks!
  58. trig.

    How is it that sin90 is negative?
  59. trig

    what is the value of sin 70
  60. algebra 2 trig

    8/2+√6
  61. trig

    cos^2 A/ 1+sin A
  62. TRIG

    Sinxtanx = sec x
  63. trig.

    8x^3+4x^2-4x solution sets
  64. trig

    If cot x = .78, what is tan x?
  65. trig

    solve tan2x = -28/45 Thank you
  66. trig

    10sinB+5 = sinB+5
  67. trig

    cos è = 0.9659 A = ? H = 20
  68. Trig

    Sin^2 b(1 +cot^2 b) =1
  69. trig

    Sinxcosy(cotxtany-1)
  70. trig

    Sinxcosy(cotxtany-1)
  71. Trig

    (x+1)(x-4) is greater than or equal to (x-2)^2
  72. trig

    write a formula f*g*h when f(x)=x+1, g(x)=3x, h(x)=4-x
  73. trig

    sin 60 ka man
  74. Trig

    If f(x)=cos^2x and g(x)=sin^2x, what is (f+g)(pi/15)
  75. trig

    three forces
  76. Pre-Calc/Trig...

    If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)
  77. trig

    from a top of a hill
  78. Alg II/Trig

    Graph 2x^3 + 9x^2 + 4x - 15 = 0
  79. trig

    sin 2x-cot x=
  80. Algebralgebrad

    Trig ientities
  81. Trig

    Thank you Steve for all your help.
  82. Trig

    4=5+cos(theta)
  83. Trig

    can sec θ = negative 5
  84. math trig

    Point P(k
  85. Trig

    Tan 75/2 solve this
  86. Math-check my answers!!!

    Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-4x^2-4) A...
  87. Algebra I

    I'm stuck on this problem please help me find the range of this equation y = (x^2 - 4)/(x^2 - x - 12) I know that it is [1/3,-infintiy]U[?,infinity] yes I'm having trouble with that ? At first I was like ok there should be a horizontal asymptote at y=1 there is in calculus ...
  88. english

    Write S if the sentence is simple .Write C if the sentence compound. 1) Paul plays on the basketball team and works part time at the grocery store. Compound 2)He is an assistant manager in the deli.Simple 3) The store manager hired him as a bagger,but Paul wanted more ...
  89. math(check answers please)

    please check my MATH. .Mr.jensen bought 2 2/3 gallons of gasoline yesterday.today he bought 3 1/2 more gallons.how many total gallons of gasoline has he bought? A.5 3/5 b.5 3/6 c.6 1/6 d.5 1/6(i picked this) Mrs.peters bought 7 1/2 yards of fabric.She needs another 4 7/8 yards...
  90. chemistry

    For a certain reaction at constant pressure, ∆H = -15kJ, and 22 kJ of expansion work is done on the system. What is ∆U for this process? So I know ∆= ∆U + Work flow If work is being done on the system, shouldn't work flow be positive? So I assumed it ...
  91. L.A.

    Which of the following statements about "life without gravity" explains why it is a expoistory essay. 1. It is a short work of nonfiction that does not express the writers opinion 2. It is a short work of nonfiction that uses examples to make its points 3. It is a short work ...
  92. physics please help

    How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical energy in the ...
  93. 6th Grade Math

    Carmen received some money for her birthday on Friday. That night, she took her friend out to dinner. She spent half of her check for dinner. Then she tipped the waiter $6. The next evening she went to dinner alone, she spent half of the money she had left, and she tipped the ...
  94. physics

    1)Under ideal conditions, if 300 J of work are required tolift a mass to a certain height, the same mass should provide ___ J to do work as it falls back to Earth. Can you please comment as to whether my answer of 300 J is correct? 2)___ is conserved during an inelastic ...
  95. Math/Physics

    A car of mass 0.9 tonnes is driven 200 m up a slope inclined at 5° to the horizontal. There is a resistance force of 100 N. (i) Find the work done by the car against gravity. (ii) Find the work done against the resistance force. (iii) If the car slows down from 12 m s− 1 to...
  96. 1 Out Of 100 Math Trick HELP PLEASE!!!

    1. Choose a number between 1 and 100. 2. Multiply the number by 5. 3. Add 15 to the number. 4. Divide the number by 5. 5. Subtract the original number. How does this work, please help!
  97. Math ; please please help.

    1. Explain in detail how to determine the value of the independent variable in a quadratic relation if the value of the dependent variable is known. Please check my answer - You would substitute the value for the dependent variable, then you would solve for the independent ...
  98. Math

    Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3 - (This is my answer.) D. √6 I am not sure on my answer, ...
  99. trig

    list the period, amplitude, interval, and phase shift of: g(t)=5/2sint-pi i know the amplitude is 5/2 but everything else im not getting. the regular formula for these is y=Asin(Bx+C)+D A is the amplitude B is the period which you use (2pi/b) to solve. C is just a constant i ...
  100. English

    I need to check my work on diagramming this question. How many players are on a team? I think it should be as follows: How (adverb) many (adjective) players (direct object) are (past tense verb) on (proposition) a (definite article) team (subject of proposition)? Does this ...
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