Trig check my work please?

90,505 results, page 59

  1. TO Ms. Sue

    If you have do english tutoring, when you have a chance can you review my "English 10 HELP" posting please? Writeacher helped me but he said to post the answers I chose so someone could check them and help me further.
  2. English

    I have to list the verb or verbs. Could someone please check. 1. The plant Venus seems more like Earth in appearance than any other planet does. seems like
  3. Statistics(Please check)

    calculate the probability of the following: A four, three, or spade from a single draw from a 52 card deck. there are 4 4's so 4/52, 4 3's so 4/52 and then 13/52 spades so 21/52 but and one 4 and one 3 are from spades so minus 2 = 19/52 Is this correct?
  4. spanish/check please

    Choose the best word Me pongo la ropa ( quinto , quinta )y la ( sexto, sexta ) cosa que hago es desayunar. answer( quinta , sexta)
  5. Math

    Write six hundred billion,two hundred thousand, two in expanded firm using exponents Please check 600, 000, 200, 002 (6×10^11)+(2×10^6)+(2×10^1)
  6. trigonometry, check please

    A 12 ft. ladder makes a 33o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come? I set it up 12xcos33 giving me 10.0
  7. Check my math please ASAP

    If im not right then can you tell me which are wrong and right thanks 1.B 2.C 3.A 4.C 1.Which inequality is false? A.3 < 7 B.–8 < –5 C.–9 > –4 D.10 > –12 2.What are the integer solutions of the inequality |x| < 2 ? A.2 only B.2 and –2 C.1, 0, and –...
  8. Social Studies

    In Chinese society, merchant class ranked below the 1. farmers and aristocrats 2. landowners and traders 3. aristocrats and priests ****** 4. bankers and farmers Please check my answer
  9. Math- checking my answers

    Please check my answers :). 1. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:__Given____ x/6=13 B:__Addition property of Equality____ x=78 C:__Multiplication property of Equality_____
  10. Science

    I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a ...
  11. Algebra

    Two more I would like to check my work on: Solve using the square root property: (x+6)^2 = 4 x+6 = sqrt4 x+6 = -sqrt4 x+6 = 2 x+6 = -2 x+6-6 = 2-6 x+6-6 = -2-6 x = 4 x = -8 Solve by completing the square: x^2+6x+1=0 x^2+6x+1-1 = 0-1 x^2+6x = -1 x^2+6x+9 = -1+9 (x+3)^2 = -1+9 (...
  12. Science

    i posted this earlier, but no one answered. so i'll try again. Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system...
  13. Algebra. Please check my answers

    Evaluate a/b+c^d for a=6,b=3,c=4 and d=5 A.42*** B.18 C.82 D.360 What is the simplified form of the expression ? -(12x-8y) A.12x+8y B.12x-8y***** C.-12x+8y D.-12x-8y
  14. science

    erosion and weathering are examples of which types of forces? A constructive forces B destructive forces***** C gravitational forces D inertia-related forces please check my answer
  15. Algebra ~ can someone check answers please

    If f(x) = 2x^ - 7x +3 find f(2). I got f(2) = (-9) find f(-3). I got f(-3) = (-42)
  16. To: SraJMcGin stay online

    Please stay online I have another thing for u to check
  17. Science

    Could someone please check me previous before previous Science post, thanks
  18. Calculus Please Check my answer

    find d/dx (integral from 2 to x^4) tan(x^2) dx tan(x^4)^2*4x^3 MY ANSWER
  19. French (URGENT)

    You are vacationing in Paris. Describe the Hotel and Restaurant. Can someone please check my work? The atmosphere at L’Atelier de Joël Robuchon is so very different from any other French dining experience. You sit around the kitchen on high stools. Can be quite a show. You ...
  20. Help: Social Studies (Please check my answers)

    1. In the Middle Ages, ceremonies such as weddings had to be performed by ___. c. a priest 2. Guilds did all of the following EXCEPT c. Set standards for the quality of their goods 3. What is one reason that the Church was so powerful during medieval times? b. It encouraged ...
  21. Math

    Can you please help me do it and understand it? The area of a rectangular piece of land is 280 square meters. If the length of the land was 5 meters less and the width was 1 meter more, the shape of the land would be a square. Part A: Write an equation to find the width (x) of...
  22. physics- please respond

    A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at the...
  23. physics- please respond

    A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at the...
  24. Science

    I need some help with knowing that work is not a form of heat. I know this but what I need is evidance. Can someone please explain it to me? THANKS A BUNCH!
  25. Maths

    Find the equation of a line which is perpendicular to 2x + 3y = 4 passing through ( -5, 1) Can you show mw how to work this out step by step please?
  26. algebra

    How do I work this to get the answer because I am stuck. Help, Help, please anyone. Ihope that you are able to understand what I am asking. 3 SQRT10 over SQRT15 2 over 5+SQRT3
  27. 5th math

    how many 3,000s in 270,000? and how many 90s in 63,000? please show me the work also , so i can do the rest right. thanks
  28. Physics please help!!

    If a woman lifts a 19.3 kg bucket from a well and does 6.10 kJ of work, how deep is the well? Assume that the speed of the bucket remains constant as it is lifted
  29. MATH-so confused!! Please help!!

    Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A(B∩C) Show your work, step by step.
  30. algebra

    factor out the greatest common factor. Please show all work. 15wx-20wy-25wz
  31. algebra

    find all complex zeros for the following polynomial function please show all your work f(x) = x^3 - 125 ????????
  32. Math

    The equation V=1/3 Bh gives the volume V of a pyramid, where B is the area of the base and h is the height. Solve this equation for B. Please help me and show your work thanks
  33. prealgebra

    Find the New amount. #4.) Increase 35 by 40% #5) Increase 125 by 8% I don't know how to solve this and show work. Please help me kind person
  34. chemistry

    If 3.5 ml of distilled water is added to 1.5 ml of a 0.150M solution of CoCl2 what is the concentration of the resulting solution? please show the work
  35. math

    whats the product of -8x^2y and-2xy^3? use law of exponents to find the product. show your work. please helppp
  36. chemistry

    When you add 100ml of a 0.1M HCl solution to 200 ml of 0.4M NaOH solution what is the pH? can you please show detailed work. o don't understand this
  37. college alg

    find the equation of a line that is perpendicular to line y=1/6x+6 and contains point (-7,0) y=? please show work so i can see how its done
  38. algebra

    how many different four digit numbers can be obtained by using all four of these digits 5,1,1,5 show work please
  39. expository essay

    please give me tips and sentences i can use in an essay about:why hard work need to succes ?
  40. MATH

    The average of two numbers is x. If one of the numbers is 3m-1, then the other number, in terms of x and m, is... Is this how you do it? Please explain how and show work...... (3m-5)+(?)/2=x

    Cell Designation : E (measured) = Sn I Sn^2+ II Cu^2+ I Cu Temp= 3 Celsius Temp= 276.15 Kelvin Delta G= ????? Show work please!!!!
  42. math

    Ex 12: The smallest of five consecutive integers is represent by y-3. What is the largest of these integers, in terms of y? please explain and show work.
  43. physics

    What is the velocity of a baseball thrown 40m from third base to first base in 1.9s? Show your work, and simplify please.
  44. physics

    The efficiency of an electric motor is 20 %. When lifting a body 500 J of energy are wasted. What is the useful work done by the motor? please and thank u!
  45. Chemistry

    How much heat is required to warm 122g of water by 23.0°C? Specific heat is 4.184 J/g° C. Please show work:(((
  46. health

    what is the risk factor for the following situation? You and your friend go to a movie. After the show, your friend’s mom comes and they ask you if you need a ride, but you tell them that your mom was going to pick you up so they leave. You then check your cell phone and ...
  47. algebra 2

    solve T=2r(pi)h+2(pi)r^(2) ;solve 4 h show work...please help
  48. Physics

    The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different ways. As stated on the applet page, sodium has a work function of 2.75 eV. In class, we discussed how to determine what that work function was in terms ...
  49. chem/DrBob22

    consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...
  50. Math 8R: Homework Check - Part 4

    Part 4: Translate and solve: 25. 6 less than twice a number is ten Answer : 2n - 6 = 10 (answer: n = 8) 26. The quotient of a number and 4 plus 3 is 8 Answer: n/4 + 3 = 8 (answer: n = 29) 27. 4 less than three times a number is -28 Answer: 3n - 4 = -28 (answer: n = -8) 28. ...
  51. U.S. History (Check, Please!)(REED)

    1. What did Hitler call the unification of Austria and Germany? Q: The Anschluss is what Hitler called the unification of Austria and Germany. 2. What is appeasement and did it work? A: Appeasement is the policy of giving concessions in exchange for peace. It did not work ...
  52. English

    Could you check these sentences on Oscar Wilde's "The Picture..", please? Thank you. 1) In the first chapter Lord Henry was relaxing on a divan smoking. Basil Hallward sat looking at his work smiling. 2) Lord Henry said that the portrait should be exhibited at the Grosvenor. ...
  53. trig

    please help me with some questions I skipped on a review for our test coming up? solve 5-7 on the interval 0 greater than or equal to x less than or equal to 2pi. 5. sin x=sqrt3/2 6. cos x=-1/2 7. tan x=0 ---------------- 14. what is the exact value of tan[arcsin(.43...
  54. Spanish: Please check answers

    Please check my answers. The nswers are at the bottom. 3. Fill in the blank with the correct form of the verb: yo/dormir. yo _________ 4. Fill in the blank with the correct form of the verb: ella/devolver. ella _________ 5. Fill in the blank with the correct form of the verb: ...
  55. english/poem

    I am suppose to do a funny sonnet poem that has 10 syllables per line and 14 lines .Can you check my syllable or any mistakes. Oh homework! Oh homework! How I hate you! You smell, you stink, and you I don’t admire I want to tell you “go on” “git” and “shoo!” I ...
  56. English

    Q4 What does Ferdinand do when they were in danger because of the storm? A: He jumps into the water and swim away. Q5: He was king of the magic island. Now he must work for Prospero. He is angry with Prospero. He wants his island back again. Who is he? A: He is Caliban. Q6. ...
  57. S.S

    The merrimack and the monitor changed naal warfare because they engaged in the first battle between A. metal covered ships B. wooden ships C. aircraft carriers D. ships carrying guns I say its B, please check.
  58. Science please check my answer

    Which of the following fossil types is best described as forming when minerals replace all or part of an organism's body? A) A mold B) A petrified fossil*** C) A cast D) A trace fossil
  59. science

    One way humans can preserve biodiversity is ______. A. habitat destruction B. habitat preservation C. habitat fragmentation D.poaching i need to check all my answers but do not have much time, please help me
  60. Science ~CHECK MY WORK PLEASE~

    Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical means. C.) both ...
  61. cultral diversity

    Help! check my answer Emergent literacy skills are significantly enhanced by a. the educational or professional level of one or both parents b. engaging in literacy events with other persons,especially adults. c.the family's socio-economic ststus and aspirations. d.quanlity of...
  62. math

    Solve using the algebraic method. x+5=15 SHOW WORK thanx subtract five from each side. Do you have an allergy to showing work?
  63. Chemistry

    I'm having trouble with converting units. My teacher wants us to show work but I can't figure out how to do it. An example is, 35 mL = ____ dL. By showing work, how do you do that?
  64. physics

    How much work is done on a bookshelf being pulled 5.00m at an angle of 37.0 degrees from the horizontal? The magnitude of the component of the force that does the work is 43.0N
  65. Math

    which ordered pair is the solution of the following system of equations? y=2x-3 x+y=3 1) (1,2) 2)(2,1) 3)(3,0) 4)(3,3) MY work: y=2x-3 x+(2x-3)=3 3x-3=3 +3 +3 3x/3=6/3 x=2 x+y=3 2+y=3 -2 -2 y=1 so I got (2,1) which would be answer 2 Is this correct? Thanks for checking my work
  66. physics

    if an ideal gas expands rapidly doing work 450 j of work on its environment, how much heat flowed into or out of it
  67. trig

    How do I find 1 positive and 1 negative coterminal angle for: 1) -460 degrees 2) 11pi/4 3) -12pi/5 WERE DO YOU GO TO GOOGLE BECAUSE I TIRED!
  68. Pre Calculus/Trig

    find the area of a circle inscribed in triangle ABC where a=9, b=13, and the measure of angle C=38 degrees
  69. math (trig)

    Im having problems solving this equation: 2sin(x) = cos(x) + 2 I keep getting an imaginary number..:/
  70. trig

    Solve the given triginometric equation analytically 7 sinx - 2 = 3(2 - sin x) If your are online, thank you my dear Reiny:) Priya
  71. trig

    Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (7pi/12)
  72. trig

    Evaluate giving exact values and identities. Calculator based solutions are not acceptable. Thanks for any help cos (-5pi/12)
  73. trig

    tan=.6524 use a calculator to approximate two value of an angle (0<0<360) that satisfy the equation.
  74. trig

    for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient
  75. Trig

    Using a double angle formula how would you find the exact value of this expression? Cos²105° - sin²105°
  76. Math Trig

    As the time changes from 4:10 pm to 6:45 pm on the analog clock, determine the change in radian measure of the minute hand.
  77. Calculus (trig stuff)

    How do I do these type of problems find the exact value. Do not use a calculator cos 7pi
  78. trig

    Find the exact value of the trigonometric function: sec(-pi/12) I am not sure how to answer this off the unit circle.
  79. math

    correction: use the unit circle to fin the ecaxtvalue for all trig functions theta=2pi/3
  80. trig

    using the trigonometric identities find the exact (radical form) value of cos (105 degrees)
  81. trig

    use the calculator to find the trigonometric values. express your answers in ten-thousandths. sin 53 degrees 30 ft
  82. trig

    the leg opposite the 50 degree angle in a right triangle measures 8 meters. find the length of the hypotenuse
  83. trig

    find all sets of three consecutive odd integers whose sum is greater than 54 and less than 63
  84. trig

    Write an equation of a secant graph that has amplitude of 3, period of pi/2, is shifted to the left pi/4, and is flipped over the x - axis.
  85. Math 12

    trig question 2sin^2x+sinx-6=0 how to solve for x when the restriction is x is greater than or equal to zero but less than 2pi
  86. Pre Calc Trig

    Verify the following: tan( a + p/2) = -cot a a= alpha and p= pie since I do not have that button.
  87. trig

    Find the values of the trigonmeric functions of t from the given information cos t = -4/5 terminal point of t is in quadrant III
  88. precalculus

    how you do you use the power-reducing formula to find the exact value of the trig function: sin^2(37pi/12)
  89. trig

  90. trig

    verify the identity. cos2 x - sin2 x = 1 - 2sin2 x the 2's next to the sin and cos on the right sides are powers.
  91. Math Trig

    Find all solutions on the interval [0,2pi] for the following: 2sin^2(x)-5sin(x)=-3 cos^2(x)+sin(x)=1
  92. trig

    determine wheather each of the following is an identity or not prove it 1. cos^2a+sec^2a=2+sina 2. cot^2a+cosa=sin^2a
  93. trig

    Use the appropriate cofunction to find an equivalent expression for cos 54° cot 24 sec 32 sin 36 csc 44
  94. ah trig help

    use an apropriate sum or difference indentity to prove the double-angle identity cos2u=1-2sin2u
  95. trig

    Find the numerical value of cos(60degree) + cot(30degree): (A) 1/2 (B) 3p3/2 (C) 12 +p3 (D) 52p3 (E) None of the above.
  96. Trig

    How would you write the partial fraction decomposition of the rational expresion 1/(x^2)-25? I know that you factor the denominator, so that's 1/(x-5)(x+5). What are the next steps?
  97. trig

    how much force is necessary to stop a 2500 pound car from rolling down a 40degree slope
  98. trig

    An arc subtends an angle 15 degrees at the centre of the circle. If the radius is 4 centimetres, find the area of the sector?
  99. Trig

    Find the exact value of each of the following using reference angles. a)sin 225degrees b) cot 120degrees
  100. trig

    I have to factor the expression and use fundamental identities: sins^2xcscx^2-sin^2x sec^4x-tan^4x
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