Trig check my work please?

90,505 results, page 94

  1. geography

    1. Cape Agulhas is the southernmost point on what continent? Africa 2. What capital city is near 20 degrees N latitude and 100 degrees W longitude? Mexico City 3. Would you probably find a scale of 1-inch equals 1,500 miles on a map of your city, state or world? World Can you ...
  2. Spanish

    Hola! Could you please check my work to see if my answers are correct? Muchas gracias! A) ASOCIACIONES. Asocie la palabra o frase con su equivalente. 1. darse prisa andén cambio no importarse ***ir rápido billete 2. transbordo andén ***cambio no importarse ir rápido ...
  3. English

    Could you please check these last sentences? Thank you very much. 1) I'm quite long, straight, brown-haired.(Should there be a hyphen to separate adjectives?) 2) After homework I help my mum with the housework. 3) Can you say “at 13:45 o’clock”? It’s a five-minute ...
  4. Physics

    A 10 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 86 N parallel to the incline, which makes an angle of 30 ° with the horizontal. Assuming the coefficient of kinetic friction is 0.4 and the crate is pulled a distance of 7.5 ...
  5. Physics

    Describe situations where no work is done and situations where work would be done?
  6. math

    how do i show my work for, 5+10/(1*(8+6)-4=6 ya i know the answer but i wanna know how to show my work.
  7. econ

    Suppose an individual has 60 hours of time available in the week and has to decide how much to work. The hourly wage is $ 10 and he has $ 50 per week from a government subsidy. 1. (15 points) Draw an equilibrium where the individual choose to work 50 hours per week. now my ...
  8. dog behavior

    pleaplease check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly presented and periodically followed by a US B When a CS is repeatedly presented without the presention of a US C CS and US are presented together D ...
  9. Trig

    Find secx if sinx = -4/5 and 270 < x < 360. tan^2x+1=sec^2x (-4/5)^2+1=sec^2x 16/25+1=sec^2x 17/25=sec^2x sqrt 17/5 I don't know if it should be positive or negative.
  10. trig

    give the exact real number value without using a calculator sin[(cos^-1)(1/4)] sin[(tan^-1)(3/4)+(tan^-1)(12/5)]
  11. Algebra2/trig

    Hi, I can't figure out what I'm supposed to do on this problem. Could someone help? Thanks. Find the coefficient of a of the term in the expansion of the binomial. Binomial (x^2+3)^12 Term ax^8
  12. trig

    A population of wolves in a country is represented by the equation P(t)= 80(0.98)^t, where t is the number of years since 1998. predict the number in the population in the year.
  13. trig

    How do you express in terms of angles less than 90 degrees? sin 120 degrees cos 150 degrees tan 280 degrees
  14. Pre-Calculus-Trig

    A road rises 140 feet per horizontal mile. What angle does the road make with the horizontal?
  15. trig

    the angle in one regular polygon is to that in another as 3:2 and the number of the sides in first is twice that in second determine the the number of sides of 2 polygons
  16. Trig

    The point (-5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank You!
  17. trig

    a 30 foot ladder leans against a wall at a 71 degree angle of elevztion find the distance of a ladder's base to the wall
  18. trig

    in proving trigonometric identities if sec theta - tan theta sin theta is equal to cos theta. what is the correct answer?
  19. trig

    if tan(θ)=√(33) / 4 (√ does not ride over 4) find sin(θ)<0 i would just like to know the steps of how to do it.
  20. Calculus

    integral of cscx^(2/3)(cot^3)x i know that cot^2x is csc^2(x)-1, but i just don't understand how to solve the cscx^(2/3), any help? i also know that its trig integrals/substitution...
  21. Trig

    A pendulum swings through an angle of 22 degrees each second. If the pendulum is 30 inches long, how far does its tip move each second?
  22. trig identites

    since sin2x+√3cos2x=2sin(2x+60) find the general solution for the equation sin2x+√3cosx=0 thank you
  23. Trig

    A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?
  24. trig

    A plane is flying due south at a speed of 192 mph. a wind is blowing in at 53 degrees at 13 mph. what is the bearing of the plane?
  25. trig

    A 15 ft. ladder makes a 35o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come?
  26. trig

    Find the component form of v given its magnitude and the angle it makes with the positive x-axis. Sketch v. Magnitude Angle ||v||= 7/2 45 degrees v=( , )
  27. Trig

    suppose that the angle theta is in the second quadrant, and that sin(theta)=1/3. Find exact values for cos (theta) and csc (theta)
  28. Math - Trig

    if the diameter of a tire is 3.5 m and makes one rotation every 5 seconds, how far does the tire rotates in one minute?
  29. trig

    If a ship leaves port at 9:00 a.m. and sails due north for 3 hours at 12 knots, then turns N 30° E for another hour, how far from port is the ship?
  30. Algebra HELP

    Could someone please check this answer. Given y= x^2, how would the graph of y= x^2-2 differ? A. It shifts 2 units up B. It shifts 2 units down C. It shifts 2 units left D. It shifts 2 units right Answer: B
  31. Spanish

    Tu Commands: Please check Put it on! = ponlo or ponte Put it on (negative)! = no te pongas come here! = ven aqui! come here(negative) = no te vengas aqui go!= ve!
  32. Socials please check my answers

    pleaes chack my answers: what are the horizontal lines on a map called? my answer= latitudes what are the vertical lines on a map called my answer= longitudes
  33. U.S. History (Please check my answer)

    Which American officer assisted Frémont's attacks in northern California? A: John Drake Sloat assisted Frémont's attacks in northern California.
  34. Chemsitry

    How do you find the amount in moles of excess reactant that reamins Please retype that, minding your spelling. =) Can you please show me how to determine the amount in moles of excess reactant that remains Sorry about the mistakes =) This is part of an excess reagent problem. ...

    The slash (/) line represents that the number is a fraction. divide: sqrt45 / sqrt81 = simplify: 7sqrt3 / sqrt5 = Multiply: sqrt7/sqrt8 X sqrt24/sqrt49 = Thanks for the advice regarding how to show square root symbol. Also thank for taking the time to help with these problems...
  36. trig

    sin2 theta = cos theta, 90 degrees less than or equal to thetha greater than 180 degrees
  37. trig

    if theta is an angle in standard position and B(-3,4) is a point on the terminal side of the angle, what is the value of sin theta?
  38. trig

    Find a numerical value of one trigonometric function of x if secxcotx=4 A.cscx=1/4 b.secx=4 c.secx=1/4 d.cscx=4
  39. trig

    how do you find all the values of theta from 0 degrees through 360 degrees for which sin theta equals 0
  40. trig

    Solve the equation 2 tan C - 3 = 3 tan C-4 algebraically for all values of C in the interval 0 degrees <_ C < 360 degrees
  41. trig

    right triangle has an acute angle of 24.8 and an adjacent length of 145 what is the side opposite of the acute angle
  42. trig

    what is the exact value of cos(x+y) if tan=x sqare root 3 over 3 and sin y=square root 2 over 2?
  43. trig

    How do I prove : 4sinAcosAcos2Asin15 all over. :sin2A(tan225-2sinsquared A)is equal to. :root 6 - root 2 over 2
  44. trig

    AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50° (a) the length BC (b) The size of angle ABC; (c) The size of angle CAD (d) The area of triangle ACD
  45. trig

  46. Trig

    Give: a=alpha B=beta csc a= 2 pi/2<a<pi secB=-3 pi/2<B<pi 1)find sin(a+B) 2)find tan(a-B) 3)cos B/2 4)sin a/2
  47. trig

    Given csc theta= 4, cot theta < 0 Find the exact values of cos theta and tan theta
  48. Trig

    The number of values in the interval –π ≤ x ≤ π that satisfy the equation sin x = 2 cos x is 1 2 3 4 0
  49. trig

    Angle θ lies in the second quadrant, and sin θ = 3/5. Find cos θ and tan θ.
  50. trig

    in triangle QRS, q=10.2m, r=20.5m, s12.8m..Solvetriangle QRS by determining the measurements of each degree to the nearest tenth of a degree
  51. English Improving writing

    please check this for me he is my rough draft (again) Please check this for me thank you very much :) There are on- going problems that need to be addressed at the DMD company. First there is uneven allocation of tasks. While Bonnie and Molly are working overtime at least ...
  52. Cultural Diversity

    Would someone please check these two questins and my answers? 1.An example of ___________can be found in the gradual immersion of early Irish immigrants and their descendants across decades as they become part of and contributed to the middle class American mainstream. A. ...
  53. programming

    I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the buttons with images in ...
  54. Math

    Hi Trying to work with confusing Taylor series....any assistance would be much appreciated!! How can I use T(x)=5-9((x-2)^2)-3((x-2)^3) to approximate the f(0) ???? I realize that Taylor series f(x)=f(a)+f'(a)(x-a)+f''(a)((x-a)^2)etc... but the above T(x) is centered at x=2, ...
  55. Geometry

    A regular hexagon is circumscribed about the ring surrounding the clock face. The diameter of the ring is 10in. Find the perimeter if the clock face. Please included work/steps to solve. Thanks!
  56. Graphing Circles - Finding the radius

    A circle is tangent to the y-axis at the point (0,2) and passes through the point (8,0). Find the radius of the circle. I tried using distance formula but it doesnt work? Help please thanks.
  57. Algebra 2

    Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth. 20, 16, 18, 14, 9, 20, 16 I know i have to add all them and divide the answer by 7. And that's my mean , But Idk how to get the standard deviation ?
  58. math

    you have apple, mapple, oak, poplar, and spruce trees. about how many different groups can u make with three different trees? please help this is alot of work and i have until 4;45 to get it all done!
  59. math

    a rectangular frame has a length of 3 and 1/8 feet and an area of 2 and 3/4 feet. what is the width ,w, in feet, of the frame? 0.67 feet i don't know if i am correct so i want you to show the work with me please because i really don't understand what the question is asking me...
  60. Physics

    A 25 g bullet is fired from a rifle with a barrel of length 65 cm. The bullet starts from rest at one end of the barrel and experiences an average force of 1200 N due to the expanding gases as it moves down the length of the barrel. a) Calculate the work done on the bullet by ...
  61. Biology- check my answer (diff one)

    Which of the following are true concerning living things? Check all that apply. A)They contain a vital force absent in nonliving things. B)They are composed of molecules that contain carbon-carbon bonds. C)They undergo chemical reactions to use energy they acquire from the ...
  62. 8th Grade Electives Advice

    Hi, I'm really struggling with my decision about two electives that I really like. One is Journalism and the other is Creative Photography. If anyone knows or has experience can you please tell me the pros and cons about these two electives please? Also, I only have a few days...
  63. Math

    How many more of corols stamps are from Norway then from France? * France= 24% England= 22% Italy= 25% Norway= 29%* A. 5 stamps*** B. 24 stamps C. 29 stamps D. 53 stamps please check
  64. Linux

    you will design and implement a script that operates an ATM machine. Your script should be able to let users withdrawn money from their checkings or savings account, transfer money between accounts, and check the accounts' balances. Your sscript should also identify the user ...
  65. english

    I need someone to check my answers on this English quick check thanks :) 1. Adventures of Huckleberry Finn is celebrated in part for its representation of what perspective: a. modern b. optimistic c. southern*** 2. In Adventures of huckleberry finn when huck says his father ...
  66. Calculus: Limits

    ++++++++|||||||||Can you please check whether or not my answers are correct and if not, can you fix them for me? Find the sum and state whether it converges or diverges? 1) 0.1 + 0.05 + 0.025 + 0.0125 + ... My answer: converges, | r | < 1 2)6 + 2.4 + 0.96 + ... My answer: ...
  67. Math Inequalities

    -9/8x greater than or equal to -1/16 can someone please check my answer? my answer is x greather than or equal to 1/18 is this correct? if not what is the correct answer and what is the correct way to solve this problem..maybe I missed a step or did not do math correctly....
  68. Algebra

    Amy has some money in her checking account. If she writes a check for $40.50, her checking account will be overdrawn by $21.50. Find how much money is Amy’s checking account now. My Answer (please correct if wrong): 40.5 - (-21.50) = x
  69. Elimination Method Help

    solve by the elimination method 5x+5y= -7 7x-3y=19 The solution is (___,___) Please help I am lost on how to work and complete this one.
  70. find real and complex 0

    Find the real and complex zeros of the following function. Please show all of your work. f(x) = x^3 + 2x^2 - 6x + 8
  71. algebra

    Write a slope intercept equation for the line with the slope-1/4 and y-intercept (0,-2)and graph the line.Please show work.
  72. calculus

    find the distance d(P_1 & P_1) between points P_1 and P_2. P_1=(4,-5)and P_2=(3,4) please show work
  73. Math

    How do I work out:if life expectancy of male is 78.9 and female is 83.6. Life expectancy is % lower than female. What is formula please
  74. maths

    How many gold coins are there in a jar of 88 coins,if there are 1/3 as many silver coins as gold coins? The answer is 66, but I cannot work it out,please explain thanks
  75. physics

    Starting at rest at the edge of a swimming pool, a 72.0-kg athlete swims along the surface of the water and reaches a speed of 1.15 m/s by doing the work Wnc1 = +170 J. Find the nonconservative work, Wnc2 done by the water on the athlete.
  76. math 12

    the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C) 11 am and 3 pm D) 10...
  77. CALC

    the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C) 11 am and 3 pm D) 10...
  78. Physics

    You pick up a 2.5kg can of paint from the ground and lift it to a height of 1.7m .How much work do you do on the can of paint? You hold the can stationary for half a minute, waiting for a friend on a ladder to take it. How much work do you do during this time?
  79. Math

    Mrs.Perry hires a landscaper that charges $15 per hr. The landscaper says the total charge for the work done is $120.00 Write an inequality to show h, the number of hours it took to do the work and solve the inequality.
  80. Physics help me guys

    An aricraft carrier has a mass of 8.6*10^7 kg and can cruise at 80 km/h. a) What is the work required to stop it? B) If only half of the work required to stop it is done, what is its final speed in km/h For a) I found 2.123*10^10 which is the right answer but I cant find b i ...
  81. Physics help me plss

    An aricraft carrier has a mass of 8.6*10^7 kg and can cruise at 80 km/h. a) What is the work required to stop it? B) If only half of the work required to stop it is done, what is its final speed in km/h For a) I found 2.123*10^10 which is the right answer but I cant find b i ...
  82. College Chemistry

    a 1.00-L solution saturated at 25°C with calcium oxalate (CaC2O4) contains 0.0061 g of CaC2O4. The solubility constant (Ksp) for this salt is [CaC2o4= 128.09 g/mol] a) 6x10^ -3 b) 4.6x10^ -8 c) 2.3x10^ -9 d) 1.5x10^-4 if you could please work it out for me, thank you
  83. algebra

    Flying with the wind, a pilot flew 600 mi between two cities in 4 h. The return trip against the wind took 5 h. Find the rate of the plane in calm air and the rate of the wind. Please show work. thanks
  84. 6 th grade SS

    Can you check my answer What do you think the political and economic future of Cyprus will be like? The future of Cyprus will be a future governed by a new and different governmental and political structure. Like focusing on the economy instead of the politicial problems on ...
  85. Organic Chemistry

    When reading an infrared (IR) spectrum for an unknown compound, you check for certain functional groups in a certain order. If C=O is absent, you check for alcohols/phenols (-OH), then for amines (N-H), then for ethers (C-O, & the absence of -OH). So, I was wondering: If you ...
  86. math urgent please

    Petr has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of the block that Peter ...
  87. French 1

    I am trying this again. Incomplete french say that the people do not the activities given. Here is what I did please check for me Thanks much 1 Julie/voyager Julie ne voyager pas 2. elles/etudier Elles ne pas etudier 3. il/habiter a Paris Il ne pas habiter a Paris 4. nous/...
  88. trigonometry, check my answer please?

    A 15 ft. ladder is leaning against the side of a house and forms an angle of 66o with the ground. To the nearest foot how far from the base house is the foot of the ladder? I set it up cos66=15/x 15/cos66 =36.878, rounding to the nearest ft makes it 37
  89. Social Studies

    With which animal are the Minangkabau most connected? A: cow B: water buffalo*** C: elephant D: tiger Which cultures have influenced Minangkabau life. A: Chinese and Indian B: Chinese and Japanese C: Korean and Indian D: Korean and Japanese*** Please check my answers, thanks!! :)
  90. English

    this question asks about your work in your reading character role. you may use your novel to help you answer the question. Think about the work you completed in your reading role. Determine the ideas that would be most worthy to share in a literary discussion about The Watsons...
  91. chemistry(check my work)

    Which of the following is NOT true of colligative properties? Colligative properties are... A. dependent on the mass of solute present. B. independent of the chemical identity of the solute. C. dependent on the molar mass of the solute. D. responsible for lowering the vapor ...
  92. Science last question

    Which of the following boxes would have the strongest gravitational pull on a third object positioned at an equal distance from both boxes? Box A: 100 g Box B: 10,000 g A. box b because it has more mass B. box a because it has less mass C. box a because it is bigger*** D. box ...
  93. math

    Just want to double check please... Susie has two children, Mary and Jake. Given that Susie has Alzheimer’s and there’s a 25% chance that she passed the Alzheimer’s gene onto her offspring, what is the probability of BOTH Mary and Jake developing Alzheimer’s, based on ...
  94. Trig

    Find the amplitude, if it exists, and the period of: y=tan1/4x. no amplitude I got confused, is the period 4pi? And is that the same as saying 360 degrees?
  95. trig

    y = sin(-3x + 3) Amplitude = Period = Two x- intercepts = y - intercept = Domain = Range = Shift along x = Shift along y = Kind of reflection =
  96. trig

    Solve the triginometric equation analytically. Use values of x for 0 less then or equal to x less then 2pi The equation for this question is sin2x + cos2x = 0
  97. Alge2/trig

    Should the triangle be solved beginning with Laws of Sines or Laws of Cosines. Then solve the triangle and round to the nearest tenth. a=16, b=13, c=10
  98. trig

    ok I'm trying to solve for an angle knowing adjacent and opposite of a triangle so I do tangent by definition tan theta = a^-1 o how do I algebraically solve for theta
  99. Trig

    How would I do this problem? Verify that each equation is an identity. cos^2x+tan^2xcos^2x=1 the ^2 is just saying squared. ex.- cos^2x is cosine squared x
  100. Trig

    Find three additional polar representation of the point (-3, pie over 6) given in polar coordinates,using -2 pie <0 <2pie.
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