Trig check my work please?

42,204 results, page 91

  1. physics

    which is false? Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done on a system and an equivalent amount of energy is rejected as heat by the system III. Energy is absorbed as heat by a system and an equivalent amount...
  2. Science

    Mass is measured in grams, accelaration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times sccelation, and work is equal to force times distance. What is the unit of work?
  3. Physics

    Mass is measured in grams, acceleration is measured in meters per second squared, and distance is measured in meters. Force is equal to mass times accelaration, and work is equal to force times distance. What is the unit of work?
  4. The Simplex Method

    A student earns $10 per hour for tutoring and $7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week. The tutoring center requires that each tutor spends at least three hours per week tutoring, but no more than eight ...
  5. Physics

    In which of the situations listed below is energy being transferred as heat to the system in order for the system to do work? In which situation is work being done on the system in order for energy to be transferred from the system as heat? a. Two sticks are rubbed together to...
  6. History

    The Code Talkers were members of which Native American tribe? Apache Hopi Navajo******** Pueblo 2. Why was the Code Talkers' code so hard to break? It was based on a language that lacked an alphabet and was hard to learn. The people who developed it came mostly from the U.S. ...
  7. French

    I have to write a paragraph about driving and my car with a story about a driving experience. Unfortunately I forgot my book and I'm trying to come up with something on my own. My French isn't that good either. Could someone please help me with the words I don't understand and...
  8. English

    I tried to fix the run-on myself. I added a few other sentences I would like you to check. Thank you very much for the help. 1) Sleep is imagined as a bath after heavy work, in which the body has a chance to relax and recover from injury. 2) Sleep is then compared to a little ...
  9. English **One Question**

    In a sense we have come to our nation's capital to cash a check. When the architects of our republic wrote the magnificent words of the Constitution and the Declaration of Independence, they were signing a promissory note to which every American was to fall heir. This note was...
  10. Precal

    I do not understand how to do this problem ((sin^3 A + cos^3 A)/(sin A + cos A) ) = 1 - sin A cos A note that all the trig terms are closed right after there A's example sin A cos A = sin (A) cos (A) I wrote it out like this 0 = - sin^6 A - cos^6 A + 2sin^3 A cos^3 A - 2sin^3 ...
  11. trig/precalc

    a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to franklin.
  12. math

    Aaron Grider buys a home for $120500. After a 15% downpayment, the rest is financed at 8% interest for 9 years. What equal quarterly payments will be required to amortize this mortgage loan? What is the total amount of interest Aaron will pay on the loan? I subtracted the 15% ...
  13. Math

    Solve each system by graphing. Check your solution. 11) y=1/2 x + 7 y=3/2 x + 7 13) y=x - 4 y= - x Can someone help me understand help me figure it out these two question??
  14. SS7R - HW Qs. Check (Q2)

    who occupied the highest position in aztec society? ANSWER - Emperor right????
  15. ALGERBRA 2!!!

    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
  16. SS7R - HW Qs. Check

    Which geographic theme would be most concerned with international trade? answer - interaction right????
  17. check

    7. A certain enzyme will hydrolyze egg white but not starch. Which statement best explains this observation? A.
  18. calculus

    Find the indefinite integral and check the result by differentiation. ∫u²√(u^3+2) du
  19. preventing injury

    why is it important to get a medical check up prior to beginning a fitness program?
  20. Math please check my answer?

    This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?
  21. Math

    which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer
  22. Math

    How do you check the answer to a decimal multiplication problem plz explain your reasoning
  23. check!!!!

    1. At high temperatures, the rate of enzyme action decreases because the increased heat A.
  24. Calculus

    Solve the differential equation. t(dy/dt) + 2y= t^3 t>0, y(1)=0 I think I solved it properly, I'm just trying to check my final solution.
  25. calculus

    Find the indefinite integral and check the result by differentiation. ∫((t^3/3)+(1/4t²)dt
  26. math 9

    Identify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y A) (28/13, 3/13) B) (-3/17, 32/17) C) (32/17, -3/17) D) (32/9, 7/3) I think the answer is D but i did my check and still comes out incorrect
  27. MAT 7th GRADE

    Please help. Will someone please check the answer to these problems. Thank you 1. -14 x-3 = 42 2. -24 -15 = 39 3. -48 divided by 12 = -4 4. -150 divied by -30 = -5 5. 3/4 + 5/12 = 1 1/6 6. 14 1/2 + 3 7/8 = 18 5/8
  28. math

    In how many different ways can you roll doubles in a monopoly game when you use two die? Please check my answer = 6
  29. Language Arts

    Is there a website that can help me check my answers for Sadlier-Oxford Vocabulary Workshop?
  30. Science 7R - HW Check

    most plants grow best in soil that contains large amounts of sand???? right??? or humus
  31. geometry

    Find the missing value to the nearest hundredth sin ___=18/27 56.31 48.19**** 41.81 33.69 Please check my answer
  32. For MathMate or bobpursley - check this

    Can somebody take a look at this? http://www.jiskha.com/display.cgi?id=1318555635
  33. Math- please check

    I have to write a word name for 8.032 Eight and thirty two thousandths. IS this correct? Looks good to me.
  34. Alg 2

    Solve the equation. Check for extraneous solutions. 10 ln 100x - 3 = 117 Thank you in advanced
  35. MATH

    please check my answers prime factorization of the number 117 =3x3x13 6/25 divided by 2/15=5/9
  36. math-PLEASE CHECK

    using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7
  37. English ( check my answer pls )

    What does RENAISSANCE mean? Renewal *** Recollection Rebirth Reflection
  38. Algebra II (check)

    Assume that no denominator equals 0. (8y^3+27)/(2xy-10y+3x-15) I don't know how to solve this one.
  39. Math

    y=arccos(sin(x)), find dy/dx. I got -1, is this correct? When I tried to check on wolfram alpha I didn't get this right.
  40. physics...please check my answer...

    4.A mass of one kg of nickels has a monetary value in the US $ of approximately: a. $1 b. 10 cents c. $10 d. $1000 is it c?
  41. check math

    Find an euation of the line having the given slope and contaning the given point. m=4 over 5. (6,-7) i got y=4 over 5 - 28 over 5 for the answear
  42. PLEASE HELP !!

    Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
  43. algebra 2

    check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks
  44. physic please check answers test tommoro

    bobpursley did i do the math problem right if not could u do it for me .thanke
  45. Math Check

    find an equation of the line contaning the given pair of points. (2,4) and (6,5) is this correct i got y=1 over 4x + 2
  46. algebra

    Could someone check this problem for me? 7a^6/10v^4 multiplied by 100v^7/49a answer 10a^5v^3/7
  47. Math(Please check)

    Find the cross product of the unit vectors. j X k My answer was -i. Am I correct?
  48. 6th grade math

    I had to convert 2500 millimeters to centimeters.I think it's 250,please check. Thanks!
  49. French

    Please check this sentence: Un sport la fille n'aime pas est nager.
  50. Dr.Bob

    could you check the next page where I replied to the post from yesterday pertaining to nylon calculations. Thanks C
  51. Math

    What is the lowest common denominator of the four fractions listed below? 20 7/10; 20 3/4; 18 9/10; 20 18/25 a. 2 b. 40 c. 50 d. 100 Answer-a Please check the above.
  52. Intermediate Algebra

    Factor by grouping, if possible, and check 5x3 + 4x2 − 10x – 8
  53. Intermediate Algebra

    Solve each radical equation. Check your solutions. square root 5x-4=6
  54. Math

    I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
  55. Math

    I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
  56. Science 8R - HW Qs. Check

    How long does it take the earth to rotate on its axis? my answer - 365 days right????
  57. English

    can you check my grammar and content? i need to submit this paper for an exam and want to get a good grade.
  58. English

    None of us could possible overlook the ___ error the waiter made in adding up our check gross?
  59. German

    Could someone please check this for me? It's supposed to be a presentation/speech, but I think I've made quite a lot of mistakes. Thanks for any help you can offer :)
  60. Calculus Help and Check

    Find dy/dx by implicit differentiation. x^5(x + y) = y^2(9x − y) this is what i've got so far but I don't think it is the right answer. y'= 9y^2-6x^5-5x^3y/x^5+9y^2-18xy
  61. math- adding and subracting intergers

    what is the value of -27 - 8? a. -35 b. -19 c. 19 d. 35 what the solution 40 + (-11)? a. -51 b. -29 c. 29 d. 51 what the value of -31 + 30? a. -61 b. -1 c. 1 d. 61 Can u check my answers? here they are: 1.c 2.d 3.1 if they r wrong plz tell me the right ones
  62. Math 116 algebra please check

    Solve by the substitution method 3x + 7y =15 x=16-6y What is the solution of the system (-2,3)
  63. Intermediate reading

    Can you help me with the sentence check 2 Chapter 17 and 18 in the improving vocabulary skill workbook?
  64. Chemistry

    why is it important for company manufacturing vinegar to regularly check the molarity of its product?
  65. math

    I am down to 5 out of 49 problems that I can't figure out. Help is very much appreciated. Thanks ! Factor check by multiplying 9x^6y^4 + 45x^4y3 +81 xy
  66. check please

    identify the latin basein the word aggrandize a)ize- B)ag- C)grand- D)***aggra-
  67. Science 8R - HW Qs. Check (#2)

    How long does it take the earth to revolve around the sun? my answer - 365 days right????
  68. Chemistry

    Please check if I've balance the equation correctly. C8H18 + 25/2O2 --> 8CO2 + 9H2O
  69. Math 116 algebra

    solve using the multiplication principle. don't forget to check -5/6x = -7/8
  70. organic chem

    does 2,3 hexanediol have 2 stereocenters? I just wanna check that before i attempt to draw isomers
  71. Math 116 algebra please check

    Solve using the multiplication principle. -4x > 1/11 The solution is x > -1/44 Is this correct
  72. Math

    Check all that apply5/3 is the reference angle for: 2pi/3 15pi/3 7pi/3 19pi/3
  73. alg 2 check?

    1.)solve for n:-7n-21=-63 my answer: n=3 is this correct? please explain 2.)identify the x and y int for te equation 3x-4y=12.
  74. Math 116 algebra please check

    Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7
  75. Math

    Equation Models Question Symbolic Model 2x+3=(-5) Answer and check the solution please.
  76. dressmaking and design

    A client tries on a skirt you check the side seams they curve toward the back what does this indicate?
  77. Math Algebra check

    Which of the following quadratic equations has -4 and 3/4 as the solutions? a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7) c.)x^2+(30/7x)+(25/7) d.)x^2-(13/4x)+3 I substituted the values and I have the answer as (a.)
  78. Geography check

    The Zambezi River runs through the easternmost part of this country...is it Zambia?
  79. Math (check answer plz)

    simplify 9C4! . . . . . . . . . . . . . . . . . . . . . . A. 126 . B. 15,120 . C. 5 . D. 3,024******
  80. Algebra

    Could someone please help me with this problem? Solve using the multiplication principle. Don't forget to check. -z=35. The solution is z=
  81. Algebra

    Solve using the multiplication principle. Don't forget to check. -x/2=8. Here is how I did the problem but I think it's wrong. (-2/x)-x/2=8(-2/x) x= -16. Could you please help? Thanks.
  82. Chemistry

    Arrange the following ions (Cu^2+. Zn^2+, Al^3+, and Mg^2+) in order of decreasing ability to be reduced. Could someone check my answer and see if it is right? Thanks Cu^2+ > Zn^2+ > Al ^3+ > Mg ^ 2+
  83. Algebra

    Use the distributive law to factor the following: Check by multiplying. 22x+11y+55z =
  84. Of Mice and Men (CHECK!)

    What is Lennie compared to throughout the novel? a. Dog b. Rabbit c. Mouse d. George A: a.
  85. Math (CHECK)

    Decide wheather the pair of lines is parrall, perpendicular or neither. what is the slope? 5x+4y=6 4x-5y=10 I GOT -5/4 AND 4/5 NEITHER.
  86. calculus

    Just want to check and see if I am setting this up right. Let y=f(x)=x^2-6x Find the average rate of change of y with respect to x in the interval from x=4 to x=5 (5^2-6*5)- (4^2-6*4)/ 5-4
  87. MAth

    I keep getting -28/19 for this problem, but it doesn't check with the solution in the back of the book. Help please.. solve the equation 7d-(1/2)(2d-4)=(-5/4)(d+4)
  88. Math (Check problem

    Add the fractions 1) 3/4 + 1/24 my answear: 19/24 i think the lcm is 24. 4X6=24 and 1X24=24
  89. english

    Please could you check my grammar. thanks 1.Other Color Print Price, depending on the image’s size
  90. math

    Hi! I am trying to solve an order of operation question would you please check my answer... 36+9/3*5 I soved it to equal 51 9/3=3 3*5=15 36+15=51 Thanks for your help!!
  91. algebra

    please check answers and change if wrong thank you. The absolute value of 3 times a number x is greater than 33. |3x| > 33 3x > 33 x > 11 what about -11
  92. Math

    2(4m+6)=8m+6 8m+12=8m+6 -6= -6 _________ 8m+6= 8m -8m. =-8m __________ 6=m I think in doing something wrong just not to sure when I check both sides give me different answer can someone explain please
  93. Math

    Question Marks: 3 Check whether it is Regular or Irregular singular point of the equation
  94. math

    I don't know if this answer is right so i am trying to check it here maybe if any could help The function f(x) = |x| - x 4 has a graph that is symmetric with respect to the y axis right?
  95. business(please check answer)

    gtai.de/EN/Navigation does this link the trade agreements in germany ??
  96. Algebra 1 help, check please?

    Okay, so the problem is.. x^2+6=13 Would I just subtract the 6 from the thirteen.. So. x^2=7 Divide by 2? I'm kinda stuck from that point
  97. math

    The function f(x)=2x+8/3x-7 is one to one. Find its inverse, and check your answer. f^-1(x)= I haven't one clue how to do this...help me pleaaaase someone!
  98. math

    when solving using multiplication principle -13x=273 how do i solve plus perform check
  99. socials please check

    how many time zones are there in canada? My options are: a.) 5 b.) 10 c.) 7 though i tried answering this and i got 6? what is the correct answer
  100. Quick ? Geography check

    Is Nicaragua a latin american country? I think so, but I just wanted to make sure.
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