Trig check my work please?

42,248 results, page 79
  1. Algebra

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? And please go through the steps and give me an
  2. physics

    A) Assume the mass of a pendulum is 3kg. Calculate the work done by the pendulum on the mass from 0 degrees to 180 degrees ( you will need to integrate with respects to d(theta ) instead of dx given: the mass at the end of the string experiences a
  3. Improving Your Writing

    Background: Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides
  4. English check my answers please

    anyone familiar with the play the merchant of venice by william Shakespeare please check my answers 1.which of the following elements of comedy are not used by Shakespeare in in the merchant of venice? a.a clown like character b.puns c.slapstick d.clever
  5. SoCiAl

    1. How were British troops able to surprise the French at Quebec? a- climbing the walls before dawn b- storming the gates c- rowing into the seaport d- climbing a steep cliff is it a or b??? 2. Which statement BEST describes the mood of the Continental
  6. oops, more LA than i thought..pls check my answers

    oops, more questions... pls check them for me!??: 1. If you were writing a persuasive essay about the need to install solar panels on top of big apartment buildings, what counterargument should you address? (1 point) homeowners can get tax breaks for
  7. physics

    Air is being compressed in a cylinder with a volume of 0.025 m^3 under a constant pressure of 3.0*10^5 Pa and the volume of the air in the cylinder is reduced to 0.020 m^3. a. By how much is the volume of the air reduced? b. How much work is done in the
  8. Physics

    A wheel with a weight of 395N comes off a moving truck and rolls without slipping along a highway. At the bottom of a hill it is rotating at an angular velocity of 23.0rad/s . The radius of the wheel is 0.607m and its moment of inertia about its rotation
  9. college

    Assignment Testing a Theory Write at least 300 words describing a time when you had to test a theory. This theory may be something you have tested at work, school, or even at home. Answer the following questions in your summary: • What type of informal
  10. math

    Three forces act on a hockey pick as it slides across the ice; the normal force N represents the force the ice exerts upward on the puck and is given by N= <0,0,100>, the gravitational force G represents the downward force of gravity on the puck and
  11. Calculus

    We're doing a lab in my Calc II class and I'm stuck on this question. I tried to do it by looking at instructions for a similar question in the book, but it made me more confused. Here is the question and my work: Find the area of the region enclosed by
  12. Trig - Identies/equation, please help!

    2Sin(Θ+47°)=1 ΘЄ[0°, 360°) What I did: Sin(Θ+47°)=1/2 Sin 1/2 = Θ+47° 30°+360 = Θ+47° 343° = Θ Ok, so how do i find the other solutions? In this problem its 103°. I think we were suppose to do something with the
  13. Physics

    A block of mass m is dropped onto a relaxed spring constant k. The block becomes attached to the spring and compresses the spring a distance d before momentarily stopping. (Use any variable or symbol stated above along with the following as necessary: g
  14. Personal finance

    Josh has decided to take a course at the local community college that could help him get a promotion at work. The course begins at 5pm and goes until 9pm on monday nights. Josh normally works until 5pm each day, but because of the drive time he will leave
  15. math

    concrete can be purchased cubic yard. How much will it cost to pour a slab 17 feet by 17 feet by 2 inches for a patio if the concrete costs $40.00 per cubic yard? Change 2" to feet, find volume of patio in cubic feet, change to cubic yards, and multiply by
  16. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2
  17. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2
  18. Physics-Please check

    Posted by JulieAnne on Wednesday, January 5, 2011 at 5:15pm. Please check my two answers I was sitting in a park on a bench next to another person and I moved tow times the original distance between the two of us, the force of gravity between me and the
  19. math [basic trig]

    Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from Sam. The top of the tree appears at an angle of elevation of 25 degrees to Sam and 15 degrees to Markus. Find the height of the
  20. 10 drivers ed questions?

    please help!! 1. You can never rely completely on your rearview mirrors when changing lanes because (1 point) they may not be properly adjusted. they are too far apart. they are too small. they have blind-spot areas. 2. While approaching your parked car,
  21. Physics desperate Help!

    A 2.0 kg lunch box is sent sliding over a frictionless surface, in the positive direction of an x axis along the surface. Beginning at time t=0, a steady wind pushes on the lunchbox in the negative direction of the x-axis. Estimate the kinetic energy of
  22. Algebra

    The Yellow Pencil Company sells the best pencils ever made. If the cost of producing x hundred pencils is given by C(x)=0.4x^2-29x+44 and if the revenue generated from the sale of x hundred pencils is R(x)=-0.6x^2+19x. Money is in thousands of dollars. (a)
  23. human resources

    Your boss wants you to send a message to the production staff, thanking all six members for their hard work and over time to get the new manufacturing line set up and running on schedule. Your boss has been working on a lot of overtime herself; she’s
  24. Math

    The Davis family try shopping in a different supermarket to save money. They used their old supermarket one week, then bought the same items the next week in the new supermarket. In the first week their bill was £105.20. In the second week it was £98.50.
  25. Physics

    A sphere of radius R has inhomogeneous charge distribution on its surface. Its surface charge density is σ = σ0 cos θ, where σ0 is a positive constant, and θ is the angle from the “north pole” to the point of interest and
  26. calc: avg value

    Find the average value of the function "f(x) = x^2 sqrt(1+x^3)" on the interval [0,2]. and this is what i did.. please check for mistakes. thanks :D f(x) = x^2 sqrt(1+x^3), [0,2] f ave = (1/(b-a))*inegral of a to b for: f(x) dx f ave = (1/(2-0))*integral
  27. Social Studies

    The largest mass migration in human history has taken place in China. Why? a. Chinese are seeking political amnesty in other countries b. Chinese are moving from the rural areas to work in urban factories c. Workers are leaving the rural areas to work in
  28. PHYSICS

    I don't know where to start solving this question. Please help! A 320 kg piano slides 3.7 m down a 32 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is
  29. french

    Can you check my paragraph and make sure its grammatically correct in passé composé? Paragraph: Je suis allé à l'église hier. Après la messe, je suis allé en ville pour chercher quelque chose dans le magasin. Moi et ma famille sont allés manger au
  30. Math (Trig)

    Suppose the point A is on a circle of radius 6 with an angle of 240 degrees. Find the value of the coordinates of this point. Round your results to 3 decimal places. So in this case, x=rcos(theta) y=rsin(theta) x=6cos(240) y=6sin(240) Rounding to 3 decimal
  31. trig

    At rest, the human heart beats once every second. At the strongest part of the beat, a person's blood pressure peaks at 120mmHg. At the most relaxed part of the beat, a person's blood pressure drops to 80mmHg. Supposing that t = 0 corresponds to the peak
  32. Trig

    I have no idea how to do this problem From an airplane flying 2 kilometers aboce the ocean, a piolet sees two ships directly to the east. The angles of depression to the ships are 8 degrees 20 minutes and 75 degrees 40 minutes how far away are the ships? I
  33. history

    Can someone check my work? Which was a result of the long-term struggles in postcolonial Africa? diverse economies (This one) low population growth modernization dictatorship Which was an impact of the Opium War on China? eliminated foreign trade of opium
  34. Trig

    A weather balloon is sighted between points A and B which are 5 miles apart on level ground. The angle of elevation of the balloon from A is 37 degrees and it's angle of elevation from B is 58 degrees. Find the height, in feet, of the balloon above the
  35. Trig

    From a point A on the ground, the angle of elevation to the top of a tall building is 24.1 degrees. From a point B, which is 600 ft closer to the building, the angle of elevation is measured to be 30.2 degrees. Find the height of the building. PLEASE HELP
  36. trig

    Two tracking stations are on the equator 135 miles apart. A weather balloon is located on a bearing of N 37 degrees E from the weastern station and on a bearing of N 19 degrees E from the eastern station. How far is the balloon from the weastern station?
  37. ss --- check my work!!!

    hi, can someone check my work asap!?? 1. Which was the last country to challenge the United States' control of Oregon? (1 point) Russia Britain*** Spain Mexico 2. What allowed people from both Britain and the United States to settle in Oregon country? (1
  38. improving your writing

    Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial
  39. english

    it is a conversation between two friends about their journey to London. John asked Lee what he talked with the travel agent regarding their journey to London. Then, Lee told that the agent informed him that it takes some more time, at least one week. For
  40. Physics HELP!!!!!!!!

    Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a negligible mass. The area of the piston is 3.06 10-2 m2, and the pressure outside the cylinder is 1.02 105 Pa.
  41. math

    A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work properly. Assume the probability of one part working does not depend on the functionality of any of the other parts. Also assume
  42. social studies check

    Which of these is a non-monetary positive incentive for entrepreneurs? a) the need to hire and train workers *** b)the risk of starting a new enterprise c) the satisfaction of creating new products d) the responsibilities of running a business Pete's
  43. maths geometry

    A straight road separates towns A (grid ref 42,45) and B (grid ref 52,40) A village is situated at grid ref (46,57) and a new road is planned from the village to road AB. What is the shortest road possible (1 dp) Please define an origin and a set of axes
  44. statistics

    I have the following homework question. I also included the work done. Please advise if I am on the right track Thank you!! "A recent study determined that the distance employees at a pharmaceutical company in New Jersey commute to work each way is
  45. Math (Trigenometry)

    Write f(x)=x^4-12x^3+59x^2-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I
  46. Math (Trigenometry)

    Write f(x)=x^4-12x^3+59x^22-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I
  47. Math (Trigenometry) 3

    Write f(x)=x^4-12x^3+59x^22-138x+130 as a product of linear factors. I listed the factors of 130 and used synthetic division, but none of the remainders came out to be 0. I graphed the function, but the function doesn't pass through the x-axis. I figured I
  48. Physics Probelms ASAP

    Could you please check my work and help me with a couple. An airplane that flies at 100 km/h with a 10 km/h tailwind travels at 110 km/h relative to the ground. If it instead flies into a 10 km/h headwind, its groundspeed is : 110 km/h /2= 55 km/h The
  49. mass media

    what is today's publishing conglomerates and the organization of todays'publishing industry? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's
  50. Precalculus Trig (Geometry)

    A large doorway has the shape of a parabolic arch. The doorway is 20 feet high at the top of the arch and 20 feet wide at the base. At a height of 10 feet above the floor, find the width of the arch. If you start the vertex of the parabola at 0,0, that
  51. English Improving writing rough draft

    Please take a look at this this is what I am turing in (tomorrow) Prewriting Prewriting Paragraph 1 The problem is Jack and Rachel often have nothing to do Bonnie and Molly are working extra and have to work over time Melanie and Jessica share an
  52. Algebra - Can you PLEASE check - I"m stuck!

    Bob is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: F(N)=10(1.02)^n 1. Starting from 0 days, plug x-values into our function to find out how many days it
  53. Writing

    If I use a quote as a title, do I capitalize every first letter in the quote? Example: Should my title be... "The only place success comes before work is in the dictionary" or "The Only Place Success Comes Before Work Is In The Dictionary" please answer
  54. physics

    A 3.00 102 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 done
  55. physics

    A 280 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 done by
  56. Physics

    A 2.30 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 21.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 7.00 m. (a) Find the work done
  57. physics

    A 3.00 102 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 done
  58. physics

    A 280 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 6.00 m. (a) Find the work done by
  59. Statistics

    The number of books sold over the course of the three-day book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values. a. List the different possible samples, and find the mean of
  60. Algebra 1

    How to factor 10k^2+35k+15 completely? I would start with the easy: factor five out. 5(5k^2 +7x +3) Now the three tells you that the factors are probably 3,1 and the five tells you that the factors are probably 5,1 5(5k+3)(k+1) wrong, wont work and
  61. someone answer please

    Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each
  62. Pre-Calculus-Trig

    A boat travels for 8 kilometers in a straight line from the dock. It is then sighted from a lighthouse which is 6.5 kilometers from the dock. The angle determined by the dock, the lighthouse(vertex), and the boat is 25 degrees. How far is the boat from the
  63. Check my answered questions.

    For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers.
  64. TO TEACHERS AND WRITEACHER

    TO TEACHERS AND WRITEACHER HELLO, I AM NEW TO THIS WEBSITE. THIS IS MY SECOND DAY IN THIS WEBSITE. THERE IS A RIDDLE FORUM ON THIS WEBSITE. I POSTED A RIDDLE ON THE RIDDLE FORUM.BUT LATER WHEN I WENT TO CHECK IF SOMEONE ANSWERED MY RIDDLE IN THE RIDDLE
  65. math

    Find the percent of 42377 books i don't understand how to find percents You don't have enough information to calculate percent. If we had a total of 42,377 books and we sold some of them %books sold=(# books sold/42,377)x100 the question says: For 1980,
  66. Math 3rd grade

    The roadrunner bird can run 14 times miles per hour. That's 7 times faster than an ostrich can walk. How fast does an ostrich walk? 7 X ?= 14 I would write the equation like this. Not sure my 8 year old would be able to do this. She knows that 7x 2 or
  67. Math / Algebra

    Can you check my work? Thank you :) 1. The Domain of a function F is the same as the range of F^-1 (True or False?) Answer: True. 2. Does the function y = |x-2| have an inverse? Select the best answer. A. Yes, it passes the horizontal line test. B. No, it
  68. Improving Your Writing

    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
  69. MATH!

    If the edge of a cube is increased by 50%, then the volume is increased by x%. Find x. PLEASE HELP. THANK YOU. Let Y = edge of a cube. Y + 0.5Y = 1.5Y = new edge of the cube. Then old volume is Y^3 New volume is (1.5Y)^3 = 2.375Y^3. %increase = ([3.375Y^3
  70. Trig

    A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think
  71. Trig

    A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it
  72. intermediate algebra

    Hello, I am so stuck...I even watched two hours of videos, but it didn't really help me:( I am working on these kinds of problems... 3x-4|+5>32 And...as part of our homework, we have to enter it on the computer in interval notation. So I know that I
  73. Physics

    A rope that is at 35° to the horizontal is used to pull 10kg crate across a rough floor. The crate is initially at rest and is dragged for a distance of 4.0m. The tension in the rope is 60N and the frictional force opposing the motion is 10N. A) Calculate
  74. chemistry

    What is the balanced net ionic equation for the reaction of dilute nitric acid with solid aluminum oxide? Frankly, I thought aluminum oxide was insoluble in almost anything except alkali. My CRC Handbook lists it soluble in alkali and organic solvents. The
  75. Engineering

    You are given a hydraulic jack which you'd like to keep in your car in case you have a flat. Your vehicle weighs 4500lbs, and you know the jack will have to lift 1500 lbs when you put it under the axle. The hand end cylinder of the jack is 1/2inch in
  76. Early Child Ed. -- Need help!

    Would you please check these questions and my answers? Let me know the ones I have wrong and need to recheck. 1. Many self-care tasks can be taught through: A. adaptive behaviors B. self-determination C. fencing D. chaining 2. The concept of
  77. Trig

    A railroad tunnel is shaped like a semiellipse as shown below. A semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis. The height of the tunnel at the center is 27 ft and the
  78. Trig

    From a point P on level ground, the angle of elevation of the top of a tower is 27°10'. From a point 23.0 meters closer to the tower and on the same line with P and the base of the tower, the angle of elevation of the top is 51°30'. Approximate the
  79. Easy Statistics

    The probability Joe is at work is 49%,. The probability Joe is at home is 25%. What is the probability Joe is neither at work nor at home? a) 39% b)74% c)52% d) 26% *I personally think it is a or c. I am just needing some help thanks!
  80. history

    Can you check this?: I have to # the order in which they occured. 10-The Lewis and Clark expedition leaves St. Louis 8-Thomas Jefferson authorizes Robert Livingston to offer $10 million for New Orleans and West Florida. 5-Meriwether Lewis and William Clark
  81. Diversity

    1. Books such as The Three Little Pigs, Green Eggs & Ham or Good night moon promote children's cognitive & linguistic skills through the ___ strategy. a. reprtition b.eventcasts c. referential language d. recasting I chose "c"referential language can sme
  82. AP physics 2

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 790 N and that of your belongings is 1080 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a
  83. maths

    300 men were engaged to complete a job in a certain number of days. but due to another assignment fifteen men dropped the second day, fifteen more men dropped the third days and so on .if takes fifteen more days to finish the work now.find the number of
  84. Physics

    A 275 kg piano slides 4.0 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. a) Calculate the magnitude of the force exerted by the man. b)
  85. Physics

    A 275 kg piano slides 4.0 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. a) Calculate the magnitude of the force exerted by the man. b)
  86. physics

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 750 N and that of your belongings is 990 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a
  87. Physic

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 640 N and that of your belongings is 940 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a
  88. math

    If a projectile is launched from a platform 30 feet high with an initial velocity of 128 feet per second, then the height of the projectile at t seconds is given by s(t) = –16t2 + 128t + 30 feet. (a) At what time does the projectile attain its maximum
  89. Inverse Functions & Trig. Equations

    7. Evaluate sin[sin^-1(-1/2)]. a. 1/2 b. ð /6 c. -1/2 d. - ð /6 8. Evaluate cos[tan^-1(5/12)]. a. 12/13 b. 12/5 c. 5/12 d. 5/13 9. Evaluate cos[sin^-1(-3/5)]. a. -4/5 b. 5/4 c. 4/5 d. -3/4
  90. language arts (check answer)

    please check this... which of the following shows a correctly punctuated compound sentence? A.As the miners,slept soundly,the thieves made off with all their supplies and gold. B.As the miners slept,soundly the thieves made off with all their supplies and
  91. physics

    Two industrial spies slide a floor safe 8.5m along a straight horizontal line toward their truck. The push (F1) of the Spy 001 is 320 N, directed at an angle of 30 degrees downward from the horizontal; the pull (F2) of Spy 002 is 250 N, directed at 40
  92. Calculus

    Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 16cm and a height of 8cm, at the rate of 4 cm^3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 6 cm deep? Show
  93. Help Please! (URGENT)

    My previous post didn't post properly so heres a new one. Can someone please check my work? James:But we’re so good together, Susan:We were good together. I’m sorry, but I think we should break up. James:(Silence) Susan:James? James:You think we should
  94. math(check answers)

    please check my math ANSWERS 1.which pair of ratio form a proportion? choose all that apply. A. 1/6, 4/20 B. 7/9, 28/36(I PICK THIS) C. 14/18, 21/27 D. 30/80, 8/18 2.which pair of ratios does not form a proportion? A. 3/5, 24/40 B. 30/10, 15/3(I PICK THIS)
  95. Statistics (44)

    The travel-to-work time for residents of the 15 largest cities in the United States is reported in the 2003 Information Please Almanac. Suppose that a preliminary simple random sample of residents of San Francisco is used to develop a planning value of
  96. maths

    A and B together can finish a piece of work in 12 days if a alone can finish the same work in 20 days in how many days b alone can do
  97. Trig

    The first 40 rows of seating in a certain section of a stadium have 25 seats, 28 seats, 31 seats, and so on. The 41st through the 75th rows each contain 125 seats. Find the total number of seats in this stadium section.
  98. trig

    Find all solutions to the following triangle. (Round your answers for angles A, C, A', and C' to the nearest minute. Round your answers for sides a and a' to two decimal places. If either triangle is not possible, enter NONE in each corresponding answer
  99. Trig

    This problem is stumping me, can anyone help me? The Earth rotates every 24 hours (actually 23 hours, 56 minutes and 4 seconds) and has a diameter of 7926 miles. If you're standing on the equator, how fast are you traveling (how fast is the Earth
  100. applied calculus

    3. a) Write out the limit definition for the derivative of y = xx. Attempt to solve it. b) Write out the limit definition for the derivative of the inverse trig function from question 2. Attempt to solve it. c) Discuss the value of implicit