Trig check my work please?

42,371 results, page 91
  1. Math - Trig

    1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the
  2. MATH ANALYSIS & TRIG

    At noon, Al is 6km north of point O traveling south at 10km/h. Also at noon, Barb is 2km east of point ) traveling east at 5km/h. A) express the distance "d" between Al and Barb as a function of time "t" hours after noon. B) Find the time at which the
  3. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?
  4. trig

    1) Use double-angle identities to write the following expression, using trigonometric functions of x instead of 4x. cos 4x 2) Use half-angle identities to write the following expression, using trigonometric functions of x instead of x/4. sin x/4
  5. Trig/Math

    f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?
  6. trig

    Bob is driving along a straight and level road straight toward a mountain. at some point on his trip he measures the angle of elevation to the top of the mountain and finds it to be 23 degrees 42 minutes. he then drives 1 mile more and measures the angle
  7. Trig

    From a certain distance from the base of a Giant Sequoia tree a surveyor determines that the angle of elevation to the top of the tree is 47deg. The surveyor then walks 100 feet away from the tree and determines that the angle of elevation to the top of
  8. English

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four
  9. trig

    A satellite is in geostationary orbit 22,500 miles above the earth. IF the radius of the earth is 3,960 miles, how fast is the satellite moving in miles per day? How fast is the satellite moving in miles per hour?
  10. Alg/Trig

    The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.
  11. physics

    A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a
  12. physics

    A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a
  13. physics

    A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20 degrees with the horizontal. If the coefficient of kinetic friction is .40 and the crate is pulled a
  14. Physics

    For the situation: "A moving crate slides to a halt on a rough surface" Does temperature increase, decrease, or not change? Are work and heat positive, negative, or zero? Does thermal energy increase, decrease, or not change? My answer key says temperature
  15. physics

    An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If,
  16. physics

    An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If,
  17. physics

    An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If,
  18. HELP ME HEALTH 3 QUESTIONS

    1)What is the importance of wearing sunglasses all year long? A. they block the amount of light that gets inside your pupils. B. They block the harmful UV rays that come from the sun. C. They prevent your iris from getting bigger from the sunlight. D. They
  19. PHysics!!

    Starting from rest at a height equal to the radius of the circular track, a block of mass 25 kg slides down a quarter circular track under the influence of gravity with friction present (of coefficient μ). The radius of the track is 15 m. The
  20. trig

    A weight attached to a long spring is bouncing up and down. As it bounces, its distance from the floor varies periodically with time. You start a stopwatch. When the stopwatch reads 0.3 seconds, the weight reaches its first high point 65 cm above the
  21. logic

    Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player,
  22. English

    Thank you again for your last corrections! Can you help me check these sentences please? 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 do all of them)
  23. math, algebra II

    Can someone explain to me step by step how the book got to this answer i want to understand the steps....thanks Find the inverse, if it exists,for the matirx (*I used the underscore to separate the numbers within the matix) -2_1_3 3_-1_2 -4_2_0 the answer
  24. Unit 1 lesson 7 math

    1. if MNO is = to QSR witch of the following is true? 2.The triangles shown are congruent. Find the measure of P 3.Which congruence statement says the same thing as ABC = DFE 4.Note: Remember to show all of the steps that you use to solve the problem. Be
  25. Spanish-please check corrections

    Please check if I composed and answered the quesions correctly. Someone told me corrections earlier and I did them-are they correct, now? Thank you 1.¿Te gusta vestirte en ropa casual o elegante? Me gusta vestir con ropa casual. 2.¿Prefieres levantarte
  26. language arts(CHECK ANSWERS)

    please check my answer this is 4 question ! thanks 2.what is the base word in the word APPLICATION? A.placate B.apply(I PICK THIS) C.appliance D.cation 4.which of the following is an independent clause? A.where juan lived B.because juan was brave C.juans
  27. History

    Please check my answers please. Thank you! 1. The U.S. economy is a free enterprise system. True* False 2. Work you do for pay is called a _____. service industry diverse workforce job* volunteer job 3. When there are many people seeking the same job, this
  28. 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
  29. 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?
  30. 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?
  31. 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
  32. 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 +
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. trig

    verify (csc^4-1)/cot^2x=2+cot^2x So this is what I have so far on the left side (csc^2x+1)(cscx+1)(cscx-1)/cot^2x =(csc^2x+1)(cot^2x)/cot^2x i think I'm doing something wrong. Please help!
  39. 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
  40. 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?
  41. dyanamics

    Which one of the following statements is correct? (a) Energy and work are scalars (b) Force and work are vectors (c) Energy, momentum and velocity are vectors (d) Force, momentum and velocity are scalars
  42. Dr.Bob (thx) Check my work for this one pls

    What is the molar solubility of Sr3(AsO4)2 and the concentration of Sr^2+ and AsO4^-3 in a saturated solution at 25 deg Celsius? The Ksp is 1.3E-18. Show the balanced reaction. Below, I write M.S. (molecular solubility) 1)Sr3(AsO4)2<---> 3Sr^2+ +
  43. algebra please check :(

    Are the lines parallel and how did I come to this conclusion? y + x = -5 and y - x = -5 first I it so y is by itself y = -x -5 second equation = y = x +5 Would the answer be yes? y= -5 and y = 5? Not sure I really understand thx.
  44. 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.
  45. Math(Please check)

    Find the cross product of the unit vectors. j X k My answer was -i. Am I correct?
  46. 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
  47. Physics check

    In 1906, J. J. Thomson won the Nobel Prize for the discovery of the ..... electron?
  48. 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
  49. check

    7. A certain enzyme will hydrolyze egg white but not starch. Which statement best explains this observation? A.
  50. Physics - please check over

    Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong.
  51. algebra

    Factor completely 2x^3y-12x^2y-14xy 2x^2y-6xy-7xy could check this problem
  52. 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
  53. English ( check my answer pls )

    What does RENAISSANCE mean? Renewal *** Recollection Rebirth Reflection
  54. 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?
  55. English grammar check

    Can someone tell me if this is an appositive phrase: The last class, blacks, were the lowest in society.
  56. geometry

    Find the missing value to the nearest hundredth sin ___=18/27 56.31 48.19**** 41.81 33.69 Please check my answer
  57. 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
  58. 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.)
  59. 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!!
  60. Science 8R - HW Qs. Check (#2)

    How long does it take the earth to revolve around the sun? my answer - 365 days right????
  61. check please

    identify the latin basein the word aggrandize a)ize- B)ag- C)grand- D)***aggra-
  62. 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 :)
  63. Science 8R - HW Qs. Check

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

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

    Solve the equations by finding the exact solution. a 3= x -3 what is x b In e = In like a check mark 7 with a 6 under the 7 -3 In e x is what Thank you very much for your time
  66. Alg2.

    4x^5 -2x^3 +2x +4 by 2x+1 synthetic division Would it be like this: 2x+1=0 ; x=-1/2 -1/2 |4 0 -2 0 2 4 | -2 1 .5 0 -1 |___________________ 4 -2 -1 .5 2 3 4x^4 -2x^3 -x^2 +.5x +2 R 3/2x+1 Is this correct? Can you check my answer multiplied by 2x+1 to see if
  67. algebra

    Could someone check this problem for me? 7a^6/10v^4 multiplied by 100v^7/49a answer 10a^5v^3/7
  68. 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??
  69. 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
  70. Math (check answers)

    1)What is the simplified form of the expression? 5d^6*d^-12? A)5d^-72 B)6d^-72 C)5d^-6**** D)6d^-6 I think that the answer is C. If anyone could tell me if I am correct that would be great.
  71. 5th grade math help

    trying to check my sons answers "5 3/5 " divided by "2/3" How do i do this mom cant remember
  72. Intermediate Algebra

    Factor by grouping, if possible, and check 5x3 + 4x2 − 10x – 8
  73. Of Mice and Men (CHECK!)

    What is Lennie compared to throughout the novel? a. Dog b. Rabbit c. Mouse d. George A: a.
  74. 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 =
  75. 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.
  76. Chemistry

    Why is it important for a company manufacturing vinegar to regularly check the molarity of its product?
  77. conversion problems

    150. cm to millimeters i got it to 1500mm. but it said check the number of sig figs.
  78. Language Arts

    Is there a website that can help me check my answers for Sadlier-Oxford Vocabulary Workshop?
  79. 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 =
  80. Chemistry

    Which of the subshells in the electron configuration of Hf behave as core orbitals Check all that apply 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d
  81. 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.
  82. Algebra

    Use the distributive law to factor the following: Check by multiplying. 22x+11y+55z =
  83. SS7R - HW Qs. Check (Q2)

    who occupied the highest position in aztec society? ANSWER - Emperor right????
  84. 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.
  85. French

    Please check this sentence: Un sport la fille n'aime pas est nager.
  86. chemistry

    Why is it important for a company manufacturing vinegar to regularly check the molarity of its product?
  87. preventing injury

    why is it important to get a medical check up prior to beginning a fitness program?
  88. Chemistry

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

    Write the ratio 16:24 in simplest form 1:2 4:3 3:4** 2:3 @Mrs.Sue can you please check my answer
  90. physic please check answers test tommoro

    bobpursley did i do the math problem right if not could u do it for me .thanke
  91. MATH

    please check my answers prime factorization of the number 117 =3x3x13 6/25 divided by 2/15=5/9
  92. check!!!!

    1. At high temperatures, the rate of enzyme action decreases because the increased heat A.
  93. 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
  94. 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+
  95. 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
  96. PLEASE HELP !!

    Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
  97. Algebra - check to see if correct

    5/(y-3)=(y+7)/(2y-6) i got no solution and i got y=3. Solve each equation. Watch for extraneous solutions.
  98. 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.
  99. math

    when solving using multiplication principle -13x=273 how do i solve plus perform check
  100. English

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