Trig check my work please?

42,204 results, page 88

  1. Concepts in Organizational Behavior

    Continue your analysis for Kenneth Dailey of FMC Green River by focusing on groups and organizational processes, using the Step by Step Analysis. The steps of analysis are the same as those explained in Unit 1: Step #1 Introduction and Background Step #2 Organizational ...
  2. trig problem

    Hi, A fountain in a shopping centre has a single jet of water. The height of the jet of water varies according to a sinusoidal function. A student notes that, in exactly one minute, the jet goes from a minimum height of 2m to a maximum height of 6m and back to 2m. At 13:00, ...
  3. Spanish for Whitney

    Here's the answer from yesterday: spanish1 homework check - SraJMcGin, Tuesday, September 21, 2010 at 4:58pm 1. son las, etc. To show you how to make accent marks with the computer I need to know 2 things. a) do you have a MAC or a PC and b) do you have Windows or not. 2. Son ...
  4. CHEM HELP! (Check work)

    H3CA is a vitally important intemediate in the metabolism of carbohydrates. The compound is widely distributed in plant and animal tissues and fluids. H3CA is a tiprotric acid, ie, it requires three moles of NaOH to fully neutralize one mole of H3CA. a.) If it requires 19.41 ...
  5. physics

    A 250 g block is dropped onto a relaxed veritcal spring that has a spring constant of k=2.5 N/cm. The block becomes attached to the spring and compresses the spring 12 cm befor momentarily stopping. While the spring is being compressed, what work is done on the block by a) the...
  6. prob & stat

    Consider the system of components connected as in the accompanying picture. Components 1 and 2 are connected in parallel, so that subsystem works if and only if either 1 or 2 works; since 3 and 4 are connected in series, that subsystem works if and only if both 3 and 4 work. ...
  7. MATH @Damon @ms. Sue

    Can Someone check my Work Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part ...
  8. Algebra

    In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost $10,000 to produce and that 300 items will cost $22,000 to ...
  9. Physics

    The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at the equator. (b) What ...
  10. Physics!!!!

    3. You push your physics book 1.50 m along a horizontal table- top 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 following forces do on the book: (a) your 2.40-N push, (b) the friction force, (c) the normal ...
  11. In-class presentation URGENT history

    Hi Look, I'm stuck. I've been trying to get an idea all week. The last thing that I want to do is use a powerpoint as my visual aid. In fact i've removed it from even being considered. At one point I thought about doing a video confrence or asking people-on-the-street what ...
  12. Physics

    A hockey puck of mass m = 70 g is attached to a string that passes through a hole in the center of a table, as shown in the figure below. The hockey puck moves in a circle of radius r = 1.20 m. Tied to the other end of the string, and hanging vertically beneath the table, is a...
  13. English Class (Research Topic)

    Can someone explain this please? Our research paper must not be a general biography of the writer and/or a book report. It should instead focus on controversies or differing interpretations about his/her work, or on questions raised by the writer’s work and critical ...
  14. trig

    prove that there exists no smallest possitive real number dose there exist a smallest positive rational number given a real number x, does there exist a smallest real y>x?
  15. Probability - Check

    Could someone check these answers for me. Thanks 1. (3x+y)^7 = 2187x^7 + 5103x^6y + 5103x^5y^2 + 8505x^4y^3 + 2835x^3y^4 + 567x^2y^5 + 63xy^6 + y^7 2. Eight people are boarding an airplane. Two have tickets for first class and board before those in the economy class. In how ...
  16. trig

    A bolt secured to a bridge is being acted upon by forces being exerted by two cables attached to the bolt. The force vector for one of the cables is represented by F1 = <1.7,9.8>. The other force vector, F2, is known to have a magnitude 5 and a direction angle of 10 ...
  17. Physics

    A spring with a spring constant of 22.0 N/cm has a block attached to one end and the other end is fixed. How much work does the spring do on the block if the spring is stretched from relaxed length by 6.8 mm as the block is moved? How much additional work is done by the spring...
  18. Algebra

    Manny works 40 hours per week. He must work for his parents where he earns $8 per hour. He also works for a computer company where he earns $20 per hour. What is the minimum number of hours Manny can work for the computer company to earn a total of $464 per week from both jobs?
  19. business studies

    The most important way to improve the work group is for everyone, especially the bosses, to listen to each other. This can be done in regular meetings and by written communications. Suggestions for improvements should be implemented when possible. People work better with ...
  20. physics

    If a pulley is 57% efficient and you lift a 35kg box 5m how much work do you do? 1716.75 N*m A crane that is 13m long and is at a 20 degree angle to the ground can hold a load of 296N. What is the torque on the crane? 1,316.10 N*m A cylinder with a radius of 1.3m has a mass ...
  21. Chemistry

    Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 70. cm3. If the combustion of this mixture releases 930. J of energy, to what volume will the gases expand against a constant pressure of 670. torr if all the energy of combustion ...
  22. @Vanessa: Re: Comm/215

    I deleted your original questions and answers. Here are my responses. Comm/215 - Ms. Sue, Sunday, November 30, 2014 at 4:45pm I've checked the first 10 and they are all right. Is # 11 a comma splice? If I have time, I'll come back and check more of your answers. Comm/215 - Ms...
  23. Algebra

    I am in need of assistance with the following problem: v-4(4-v) = -2(2v-1) I don't want an answer I will work the problem myself I just need some one to assist me with the detailed rule or formula to work the problem. I have been on multiple sites trying to find something to ...
  24. trig

    From a rock ledge the angle of elevation to the topof a treeis 25 degrees. The angle of depression to the bottom of the tree is 10 degrees. Find the heightof the rock ledgeto the nearest tenth and find the height of the tree to the nearest tenth
  25. Algebra

    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 to help her out. She doesn’t charge a consultation ...
  26. science

    how a pulley works and mention its mechanical advantage? a pully work using the frictional and gravitational force when using a pully you will see that your doing work and transfering ernergy from one state to an other that is the mechanical advantage. The mechanical advantage...
  27. Trig

    Simplify sin x cos^2x-sinx Here's my book's explanation which I don't totally follow sin x cos^2x-sinx=sinx(cos^2x-1) =-sinx(1-cos^2x) =-sinx(sin^2x) (Where does sine come from and what happend to cosine?) =-sin^3x
  28. Social Studies

    1) What statement best describes Yokohama? A) Yokohama is an ancient political center B) Yokohama is a rural farming village C) Yokohama is a large, crowded city D) Yokohama is an important mining town 2) What describes a difference between life in japan and life in the United...
  29. trig

    a vertical pole 35 feet high, standing on sloping ground, is braced by a wire which extends from the top of the pole to a point on the ground 25 feet from the foot of the pole. If the pole subtends an angle of 30 degree at the point where the wire reaches the ground, how long ...
  30. Trig

    A Ferris wheel is 40 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 2 minutes. How many minutes of the ride are spent ...
  31. Art Appreciation

    Visit the following Web sites and explore the collections of Ancient Art there: The Metropolitan Museum of Art The Louvre Museum The Smithsonian Institution Freer Gallery and Sackler Gallery See the Course Materials List for access to these sites. From the gallery Web sites ...
  32. trig

    a state trooper is hidden 30ft. from a highway. One second after a truck passes, the angle beta between the highway and the line of ovservation from the patrol car to the the truck is measured. if the speed limit is 55mph and a speeding ticket is issued for speeds of 5mph or ...
  33. physics

    Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is 45 degrees. b) ...
  34. Social studies answer check please

    Why did Thomas Paine write the Pamphlet, Common Sense? 1: to support conquering the Native Americans ******* 2: to argue that more land should go to france and spain 3: to show that loyalty to the monarchy was wrong 4: to pledge his loyalty What was most dangerous about ...
  35. trig

    1. A Ferris wheel with a radius of 7m makes one complete revolution every 16 s. The bottom of the wheel is 1.5m above ground. a)Find the equation of the graph b)predict how the graph and the equation will change if the Ferris wheel turns more slowly c) test your predictions ...
  36. trig

    I need to prove equality. a) (sina + cosa)^2 -1 / ctga - sinacosa = 2tg^2a b) (sin^2x/sinx-cosx) - (sinx+cosx/tg^2x+1) = sinx + cosx c) sin^4a - sin^2a - cos^4a + cos^2a = cosπ/2 How to do these?
  37. Physics

    Two students are on a balcony 20.5 m above the street. One student throws a ball (ball 1) vertically downward at 11.1 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just misses the balcony on the way down...
  38. English

    I need help fixing up this essay so that it flows betters. Here are the directions the teacher gave. Assignment: Compose a brief essay which specifically develops topic including a clear and relevant topic sentence. Provide at least one specific example and detail. Attendance ...
  39. Diversity

    Child: Doggie Adult: Yes I see a doggie Child: Doggie Adult: Oh yes! See the doggie run in the street The preceding script exempliries an instructional strategy called: a. repetition b. redundancy c. storytelling d. progressive matching I chose "a" repetition can some one ...
  40. math(CHECK ANSWERS)

    please check my answers. Mrs. Walters drove 160 miles on 5 gallons of gas. How many gallons of gas will she need to travel 256 miles? (ANSWER):160 divided by 5=32 256 divided by 32=8 Stephen read 90 pages in 6 days. If he continues reading at that rate, how long will it take ...
  41. physics

    You prefer soft-boiled to hard-boiled eggs, but you hate waiting next to your eggs to check if they're cooked. Therefore, you want to determine how often do you need to check the eggs so that they're not overcooked. What time does it take in minutes for a soft-boiled egg to ...
  42. physics

    You prefer soft-boiled to hard-boiled eggs, but you hate waiting next to your eggs to check if they're cooked. Therefore, you want to determine how often do you need to check the eggs so that they're not overcooked. What time does it take in minutes for a soft-boiled egg to ...
  43. physics

    You prefer soft-boiled to hard-boiled eggs, but you hate waiting next to your eggs to check if they're cooked. Therefore, you want to determine how often do you need to check the eggs so that they're not overcooked. What time does it take in minutes for a soft-boiled egg to ...
  44. Check Business

    4. Which of the following companies faces the problem of undercapitalization? A large corporation that has been hit with a major lawsuit because one of its products has a design flaw that has led to serious injuries. A small new company struggling because it has insufficient ...
  45. Math

    A group meeting is attended by 14 delegates. 9 of the delegates are from Atlantis and 5 of the delegates are from Zedonia. (a) In how many ways can the group choose 6 of the 14 delegates to form a negotiation panel? Show work. (b) In how many ways can the group choose 6 of the...
  46. English

    I need you to check these sentences for me on Prospero and Caliban. I'm not sure about the tense choice (can you say that)? 1) Caliban hopes that they both Prospero and Miranda get drenched with a dew as evil as the kind his mother used to collect with a raven’s feather from...
  47. SAT Math Question?

    Lindsey and Stephen work at a factory. Lindsey can complete one full job in three hours, and Stephen can complete the same job in five hours. If Lindsey and Stephen work together on the job for one hour, then how long, in minutes, will it take Stephen to finish the job himself?
  48. Application prob. for Trig.

    Hi, A fountain in a shopping centre has a single jet of water. The height of the jet of water varies according to a sinusoidal function. A student notes that, in exactly one minute, the jet goes from a minimum height of 2m to a maximum height of 6m and back to 2m. At 13:00, ...
  49. trig

    The angle of elevation from a point on the ground to the top of a tree is 38.7 degrees. The angle of elevation from a point 27 ft farther back to the top of the tree is 22.9 degrees. Find the height of the tree to 2 decimal places.
  50. language arts check

    the poet uses all of the following in Annabel lee except? ANS: repetition
  51. Government Check

    Which Amendment extended voting rights to women? 19th
  52. Social Studies

    What are the answers for the Lesson 12: Nationalism and Imperialism quick check/
  53. math,correction

    can someone correct me: i have to graph i have the inequalities: 3x -6y = 9 x -2y = 3 what i have is the points to plot if my y = -3/2 and my x = 0 therefore: (0,-1.5) and (0,0) No. If y=0, then x=3 . Check that.
  54. algebra 2

    Divide and check. Write your answer using none negative exponents. 40x^2y^2/5x^4y^2. Thank you.
  55. math

    can someone check this i'm really lost i thought i had it and now i don't think i do. Solve the system by graphing x+y=3,x+y=-1 x+y=-1 x-x+y=-1-x y=-1-x y=-1-(3-y) y=-4y x=3-(4y) x=-1
  56. algebra

    look first for the common factor check by multiplying if polynomial is a prime state this. y^2-y+0
  57. Office Finances

    What must a depositor add to check before the bank will accept it for deposit?
  58. Math

    Check whether the given number is a solution of the equation or inequality. 2x+6=18;9 I know that I have to plug 18 into x but then i don't know what to do next. Help please? Thanks!
  59. Geometry

    Check please? The path of the launching of a space shuttle can be described best as a Answer: Ray?
  60. Math(Please check, urgent)

    y=1.5 + 76.95t-(1/2)(9.8)t2 = 303.6 I am not sure how to arrive at this answer. I am confused because there is a t and a t^2. Thank you for your help!
  61. algebra

    Which quadrants does the line representing the equation y = 8x pass through? Check all that apply.
  62. government_help check answer please

    is the Brandenberg vs. Ohio case is reverse discrimination ???
  63. algebra 1b

    Solve each system using substitution. check your solution. a = 2/3b -3 a = 2b - 18 c = 3d -27 4d + 10c = 120
  64. Algebra (repost)

    Can you help me on this problem as well? (or anyone.) Solve each inequality and check your solution. h - > -7 4 (bumping)
  65. algebra 2

    Solve the equation. Check for extraneous solutions. 9|9-8x|=2x+3 can anyone please show me how to do this problem?
  66. Math Inequalities

    4(r-7)+2>5(r+3)-28 I tend to make things too difficult.. can someone please check my answer? {r l r > 31/4}
  67. Urgent Spanish Check

    Nando es ____________________ alumno muy ambicioso. Un
  68. algebra

    is -2i square root of 2 a solution to x=8? lets check: (-2i sqrt 2)^2= -1^2 * 2^2 * i^2 *2 =-8 Answer: no.
  69. Health

    Normal urine is____________ as indicated bt it's ph value I think it is slightly alkaline please check my answer thanks
  70. math

    look first for the common factor check by multiplying if polynomial is a prime state this. y^2-y+0
  71. Math, please check answer

    Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2
  72. Algebra II (check)

    Write the expression m^7/9 in radical form. 9sqrt m^7 (answer)
  73. math

    28E − 7 = 0 would I add 7 to the 0 then divide 28 by 7 but the answer don't check out
  74. Math(Please check)

    Find the derivative of f(x)=1/3 sqrt x. The 3 is little above the square root. I know that it is -1/3x^-4/3. Can this be written as -1/3x^4/3 ?
  75. Algebra

    Use substitution method to solve the linear system. Can someone please check if I did this problem right? Thanks X+y=12 X+3/2y=3/2 Y=21 x=-9
  76. Math

    Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you
  77. Math (check)

    find an equation of the line containing the given pair of points. (0,0) and (4,9) is the answer (9/4)
  78. English (Check)

    Based on your knowledge of prefixes, what does en- mean? A.Cause to*** B.In front C. Wrongly D.Before Is it A I'm not 100% sure... help please
  79. algebra2 please check my answer thanks

    find the asymptotes for the following inverse function(VA is X and HA isY) y=7/(x) -4 i get VA: x=0 ,and HA :-4
  80. ECONOMY

    what is the impact of the tax rebate check on fiscal and monetary policy?
  81. algebra

    can someone please check my answer to this problem? solve for indicated letter. n=m+d, for m the solution is m= (n+d)/m is this correct?
  82. Math help

    Can someone check my answers and tell me what I did wrong? Thank you!! Find the following using the table given. X Y -3 -21 -2 -18 1 -9 4 0 7 9 Rule: will it be y= 1/3x+9? What is y when x= 5? Will it be y=0? What is x when y= 5? Will it be x= 0? What is the x- intercept? Is ...
  83. Derivatives check

    find the 2nd derivative of y= 1/x +cosxsinx I got 2/x^3 - 2cosxsinx is this right or did I get this wrong
  84. Math 116 algebra please check

    solve using the multiplication principle. -5/6x = -7/8 Th solution is x=21/20
  85. chemistry

    Which of the following diatomic molecules are isoelectronic to BN? Check all that apply. a)NO b)BeN c)C2 d)BeC
  86. Physics check

    The two quantities conserved in all nuclear equations are....... mass and number?
  87. math/algebra

    I keep confusing myself. Please check and show me where I am mixed up. (8+ ã48)/4 = (8+ ã(2 .24))/4 =1+2ã6 where am I missing it?
  88. Math check

    Find an equation of the line containing the given pair of points. (1,5) and (3,6) Is the answear y=1/2x
  89. math exponents

    i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...
  90. Sra j mcguin

    I will be able to make the changes in about 30 mins my free can you check ur again it is due at 11 today thanks so much
  91. Math Check

    Which set of numbers are ordered correctly from least to greatest? (1 point) • 0, –3, –|4|, |–5|, 8**** • 8, |–5|, –|4|, –3, 0 • –|4|, –3, 0, |–5|, 8 • |–5|, –|4|, –3, 0, 8
  92. Math

    Reiny can you show me how to check this problem. 5a^8-20a^7-25a^6 =5a^6(a^2-4a-5) =5a^6(a^2-5a+a-5) =5a^6(a(a-5)+1(a-5) =5a^6(a-5)(a+1) (answer)
  93. algebra

    Show all steps solve the equation check for extraneous solution 9|9-8 x|=2x+3
  94. precalc

    simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
  95. precalc

    simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
  96. Urgent Spanish Check

    _________ postres son deliciosos. El, La, or Las? La?
  97. Mechanics

    When electrically testing a rotor with an ohmmeter, you should check for shorts, ground, and what?
  98. pre algebra

    solve and check the following equation:I have no idea as to how to answer this. 69g-60=5g-2-g
  99. Note for Ms. Sue

    Check out the Physics posting on the top of the list. Can it be deleted?
  100. Help please

    Which of the following equations represent a line that has a slope of –5 and that passes through (2, –6)? Check all of the boxes that apply. a.y + 6 = –5(x – 2) b.y – 2 = –5(x + 6) c.y = –5x + 4 d.y = –5x – 28
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