Trig check my work please?

42,371 results, page 84
  1. Music

    In homophonic textures , how many melodies are there 1 2* 3 4 Please check my answer
  2. math check

    x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 (which point would be considered an outlier? my ANS:(9,9)? IS IT RIGHT?
  3. Math

    Why is it necessary to perform a check when solving rational equations?
  4. Alg 2

    Solve the equation. Check for extraneous solutions. ln x + ln(x-2) = 1
  5. English

    Ms.Sue I just posted new questions on page 2,could you please check them for me.
  6. Math check

    (3+sqrt x)(4- 3sqrt x) is the answer 12- 5sqrtx-3x?
  7. algebra

    use the distributive law to factor the following and check 3+27b+6c
  8. math check

    if f(x)=x^2 find f(2-sqrt6) I have the answer as 10-4sqrt6 is that right?
  9. Math

    Solve the equation. Check for extraneous roots. 4^2x-4^x-20=0
  10. math please check answer

    Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k. f(x)=x^3 +6x^2 +10x+4,k=-2 Is f(x) =0 ?
  11. Math

    add or subtract. P.s this is a polynomial. (2x^2 + 6x + 1) + (-7x^2 + 2x - 3) A. -9x^2 -8x + 2 B. 5x^2 + 8x - 2*** C. 5x^2 - 8x + 2 D. 5x^2 -4x -2 i choose B. check please
  12. Math

    What is the value of the range of the function f(x)=x^2 + 2 for the domain value 1/4? A. y=2 B. y=2 1/4*** C. y=2 1/8 D. y=2 1/16 Can anyone check my answer?
  13. alg

    solve and check solution 12x=11x-5
  14. Math (Check problem

    Subtract and Simpfly 2) 2/3 - 1/2 my answear: 1/6
  15. Math Ms due

    Can you pls.check my answers ?? 3+2(4)-3+4(-3)= I got -4 3+4-2-5+3-6-8= I got I can't figure out I got -17 4-3(2+6) = I got. -20 10/5 + 8+(-3) /5 -4= I got -1
  16. calculus

    derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3
  17. Math

    Quadratic Graphs Can you please check if my values are correct? y=x^2-4x x= -4 so y= 0 x= -3 so y= -3 x= -2 so y= -4 x= -1 so y= -3 x= 0 so y= 0 x= 1 so y= -3 x= 2 so y= 14 Thank you
  18. Algebra Check

    Solve the system 4x - 7y = 5 14y = 8x + 10 I got y = 10/-13 x = -5/52 but it doesn't seem right
  19. Math please check

    For the function 2x-x^2 find f(4)-f(2) / (2) I got -8-0/2 so my final answer Is -4
  20. english

    ms sue can u plzzz check my 1nd answer
  21. math

    solve the equation. check the solution 5 x g -5 = 100
  22. math

    Which of the following are square roots of the number below? Check all that apply. 25 A. -(25)^1/2 B. -5 C. 13 D. 25^1/2
  23. algebra 1

    What is the value of c so that y=x^2+9x+c is a perfect square trinomial? A. 18 B. 9/2 C. 9/4* D. 81/4 Check my answer please I think it's C.
  24. Algebra

    Divide, if possible, and check. If a quotient is undefined, state this. (-4.9)(7.2)/0
  25. Math problem check

    Simplify: (2/a + 6/b) / (8/ab + 4/a^2) I have the answer as a(3a+b)/(4a+2b) Is that correct?
  26. pre algebra 2

    how do you make a guess and check table?
  27. Math

    Solve each equation by using the properties of equality. Check. 4x – 18 = 65
  28. Math find product quotient

    Can you pls check these: 3/8 * 2/5 = i got: 3/20 1/4 of 4/5 i got: 1/5 5/6 of 30/1 i got: 5 2 7/8 * 4/5 i got: 2 3/10
  29. algebra

    is it ok if one of u experts can check some of my math homework would that be a problem thanks
  30. math problem

    Please solve using the addition principle please do check x + 3/13 = 5/13
  31. Real numbers

    Check whether 3^n can end with the digit 0,where n is not equal to 1 and n E N.
  32. Mathematics

    CHECK MY ANSWERS PLEASE 1.9 squared is equivalent to ___ 18 9^2 81 both b and c this one
  33. Math(please check)

    Simplify each expression: 1) (x+8)^2 = x^2 + 64 2) (x-2)^3 = x^3 - 8 3) (x-2y)(x+y) = x^2 - xy -2y^2 4) (x+2)(x^2+3x-2) = x^3 + 5x^2 + 4x-4 Are my answers correct?
  34. Math

    How can you check the answer to a decimal multiplication problem?
  35. chemistry

    Which of the following reactions have a positive ÄSrxn? Check all that apply. A(g) + B(g)--> C(g) 2A(g) + B(g)--> 4C(g) A(s) + B(g)--> 2C(g) 2A(g) + 2B(g)--> 3C(g)
  36. Algebra

    Describe what the graph of interval [-4,10] looks like. I am trying to check to see if I have done this right. Any help would be wonderful.

    When solving a rational equation, why is it necessary to perform a check?
  38. Math

    Name the coefficients in the polynomial 4x^2+3x-3 a. 4, -3, -3 b. 4, 3 c. 4, 3, 3 d. -4, -3 I choose d Check it pleaase!
  39. Algebra

    Check my answers please 😁 6.-4-5(x+8) A) -5x - 44 B) -5x + 36 C) -x - 8************** D) -20x + 8 7. 3x+4(x-6)-3(x-7) A) 4x - 45************ B) 4x - 3 C) 10 X -3 D) 10x + 45 8. 8 + 8 < -28 A) x<-36 B)x<-20************ C) x<20 D) x<36
  40. MAth(algebra)

    7/2x - 5/x = 5 solve the equation check your answer
  41. science

    i need help making a catapult. im gonna check my pc tomorrow
  42. Math 116 algebra please check

    Evaluate x+y/6 for x =57 and y=3 the answer is x+y/6=10
  43. English

    Is Mercutio a foil to the Nurse? I think they are not, but can you please check my answer? Thanks
  44. English

    Could someone check my answers for this exercise. Dangling Modifiers
  45. Math

    Explain how you could estimate 22% of 78 to check if your answer is reasonable.
  46. 11th grade

    how to check specific heat of a substance?
  47. alg

    i need help solving this one (x + 4)^2/3= 9 a) 13 b) 23;-31 c) 5 d) 31;-31 also sove check for extraneous solutions (6x-5)^1/2 = (7+ 4x)^1/2 a) 1/6 b) -9 c) 6 or d) 1/5
  48. algebra

    Will you please check this and make sure that I am right? 26. 5>-3x+4 or 9< equal to -3x+2 this would be (-infinate,-7/3] & (-1/3,infinante)
  49. Algebra, ( Check please)

    5h-7=2(h+1) I got, 5h-7=2h+1 and then I added -7 plus 1, and got -6 So 5h-6=2h? Could someone explain what I did wrong and help me correct it?
  50. math please check

    (13-2)squared + (14-12 divided by 3) (11 * 11) + -.6 121+ -.6 =120.4
  51. Algebra (Answer Check)

    Am I correct? Solve the following inequality. f + 2 1/2 < -2 f (2 1/2 - 2 1/2) < (-2 - 2 1/2) f < -4 1/2
  52. Algebra 2

    Which of the following could be the equation of the graph shown below? Check all that apply.
  53. Math

    Please check my answer. 11 1/9% of what number is 600? I have 5400.54
  54. intermediate algebra-can somebody check my answer

    Evaluate the expression m^2+93+7 when m=-4 -4^2+9*(-4)+7 does it = -13
  55. Algebra II

    Could you please check my answer? Given the functions f and g, perform the indicated operations. 3. f(x)=4x - 9 g(x)7x-3 I got -3x-12
  56. algebra please check

    Find the distance between the given points (3, 5) and (8, 2) (8-3)^2 + (2-5)^2 5^2 + -3^2 25 + 9 = 34 sqrt of 34 = 5.83
  57. Algebra Emergency!!

    Find the inverse of f(x)=2x+1/x-1 and please VERIFY(CHECK) Thanks so much
  58. physics

    A flight attendant pulls her 66 N flight bag a distance of 318 m along a level airport floor at a constant velocity. The force she exerts is 43 N at an angle of 52° above the horizontal. (a) Find the work she does on the flight bag. (b) Find the work done
  59. Physics ASAP

    A block of weight 20 N is pushed with a force of 30 N through a horizontal distance of 5 m using a stick which is at an angle of 37° from the horizontal as shown. The coefficient of kinetic friction µk between the table and the block is 0.25. For your
  60. Trig........

    I need to prove that the following is true. Thanks (cosx / 1-sinx ) = ( 1+sinx / cosx ) I recall this question causing all kinds of problems when I was still teaching. it requires a little "trick" L.S. =cosx/(1-sinx) multiply top and bottom by 1+sinx,

    A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (a) Draw a diagram for the
  62. English

    I realized I didn't check some of the missing words... I'm posting you the sentences again. 1) Photo B shows a check-out clerk and a customer standing at the counter of a clothes department (or shop). The customer may have just bought a present for a
  63. calculus

    f(x) = 6x^2 -8x +3 how would I find the most general antiderivative of the function. I also have to check my answer by differentiation. Would I have to find the derivative first? (I got 12x -8) What are the steps to solving a problem like this? No, don't
  64. business communication

    You are writing to a reader who favors a different solution than the one you recommend. Which of the following is MOST likely to persuade the reader? A. Describe your reader's solution first, explain why it won't work, and then go on to describe your own
  65. business communication

    You are writing to a reader who favors a different solution than the one you recommended. Which of the following is MOST likely to persuade the reader? A. Describe your reader's solution first, explain why it won't work, and then go on to describe your own
  66. Business English

    You are writing to a reader who favors a different solution than the one you recommend. Which of the following is MOST likely to persuade the reader? A. Describe your reader's solution first, explain why it won't work, and then go on to describe your own
  67. Child Care

    4. Which of the following is not a reason why an early childhood teacher would choose to use a virtual field trip over live, hands-on experience? A. The teacher doesn't like leaving the classroom. B. The location is too far away. C. The actual trip would
  68. Geometry/Trig

    A painter is placing a ladder to reach the third story window, which is 18 feet above the ground and makes an angle with the ground of 80°. How far out from the building does the base of the ladder need to be positioned? Round your answer to the nearest
  69. Pre-Calculus-Trig

    A straight road slopes at an angle of 10 degrees with the horizontal. When the angle of elevation of the sun (from horizontal) is 62.5 degrees, a telephone pole at the side of the road casts a 15 foot shadow downhill, parallel to the road. How high is the
  70. grammar

    which is correct 1,2,or 3 Paloma did not make it to work for, her car broke down on the freeway. Paloma did not make it to work for her car, broke down on the freeway. Paloma did not make it to work, for her car broke down on the freeway.
  71. English

    Could you please check these sentences on the Aesthetic movement I wrote. Thank you. 1) The Aesthetic Movement originated in France in the last decades of the 19th century as a reaction against the materialism and the restrictive moral code of the middle
  72. Spanish-Please help!!

    Hi I posted early and got a response but the correction suggested can't be corret. Could someone please check these answers-I had to answer in past tense-- Could some one please check these-I had to answer them in the past tense which is still confusing
  73. calculus/Trig

    Suppose you wish to express sin(3t) in terms of sint and cost. Apply the sum formula to sin(3t) = sin(t+2t) to obtain an expression that contains sin(2t)=sin(t+t) and cos(2t)=cos(t+t). Apply the sum formulas to those two expressions. Enter the resulting
  74. trig

    A plane is flying 12,000 feet horizontally from a tall, vertical cliff. The angle of elevation from the plane to the top of the cliff is 45degrees, while the angle of depression from the plane to a point on the cliff at elevation 8000 feet is 14degrees.
  75. Please help with English!!!

    Which one of the following sentences does not contain a serious verb error? 1. They staying there now. 2. She want a promotion. 3. If I was younger, I'd pursue another line of work. 4. We had sang that hymn last week. Cheryl, if you read those out loud,
  76. mathmatics probability

    I am having with the following questions and was wondering if someone might be able to show me a step by step solution to arrive at the answer. They are from Probablity and Statistics for Enginnering and the Sciences by Jay Devore 6th Edition 62) An
  77. trig

    A water-park slide covers 100 feet of horizontal space and is 36 feet high. A new replacement slide will create an angle with the water surface that measures twice that of the original slide. The new slide will use the same horizontal space as the old
  78. French

    Can someone please check my work? 1. I like T-shirts. J'aime les tee-shirts. 2. Marc likes wearing shorts. Marc aime porter les shorts. 3. I am wearing a dress. Je porte une robe. 4. We love swimming suits. Nous aimons maillot de bain. 5. You like to wear
  79. English

    I really hope someone can check my sentences on Christmas holidays. Thank you very very much in advance! 1) I had planned to do a lot of things during my Christmas holidays but unfortunately I didn't get around to doing them all. ( and NOT I had no time to
  80. physics Work unit

    1. A football player pushes a tackle dummy forwards at a constant 0.85m/s for 11m using 7150J of energy. The tackling dummy mass is 120kg. a) find force the player exerts? b) what is the frictional force the dummy exerts? c) what work is done by the
  81. Physics Work unit

    1. A football player pushes a tackle dummy forwards at a constant 0.85m/s for 11m using 7150J of energy. The tackling dummy mass is 120kg. a) find force the player exerts? b) what is the frictional force the dummy exerts? c) what work is done by the
  82. English

    Could you please check these sentences, too? Thank you. (especially the description of the monster). 1) Before leaving for Ingolstadt his father gives him the journal, his mother wanted him to have on his graduation. 2) It contains blank leaves to be
  83. Trig

    For 90<theta<180, cos theta = -(5/13). Which is sin theta? 1. - sqrt 13/9 2. - sqrt 9/13 3. sqrt 9/13 4. sqrt 13/9 3?
  84. trig

    Determine the value of cos(theta) given that cos(pi − theta) = .2 (A)p.96 (B) .2 (C) −.2 (D) −sqrt.96 (E) None of the above.
  85. phyiscs help please

    A 3.00*10^2 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m. (a) Find the work
  86. AP Physics C

    An earth satellite, the mass of which is 1000 kg, is in a circular orbit 1000 km above the surface of the earth. It is desired to transfer it to a circular orbit 1500 km above the surface. The amount of work that must be done to accomplish this is A. 3.43
  87. physics(check my answer)

    A 60.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 14.9 cm. Model the floor as completely solid and motionless. (a) Does the
  88. TIP: For this discussion response,

    Writing is a very important component of online learning. College-level writing is more formal most of your daily writing. Describe the difference between college-level writing and casual writing. In chapter 4 of the book, six steps for writing are
  89. Math Trig

    A kite flier wondered how high her kite was flying. She used a protractor to measure an angle of 40 degrees from level ground to the kite string. If she used a full 120-yard spool of string, how high, in feet, was the kite? (Disregard the string sag and
  90. trig

    Prove: sin(x–y)sin(x+y)=sin^2(x)–sin^2(y)
  91. Trig

    If sin(theta) = 3/7, what is sin (pi/2 - theta)?
  92. Trig

    (csc(B)+cot (B))(csc(B)-cot(B))
  93. Trig

    8 csc theta - 2=10 + 2 csc theta I can't do it. :S
  94. trig

    sin t /1-cos t - 1+ cos t/sin t= 0
  95. trig..

  96. trig

    cot^5 x = cot x/sec^4 x - 2 sec^2 x +1
  97. Trig

    3-square root 2/ 1+square root 2
  98. Trig

  99. trig

    tan(7π/4) + tan(5π/4) Does this = 0
  100. trig

    sin 25° cos 35° + cos 25° sin 35°