Trig check my work please?

42,204 results, page 96

  1. pre algebra

    solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i don't know how to.
  2. science-check

    what is the advantages and disadvantages of using sand to grow? the advantage is that it anchors it? the diadvantage is it cant hold the plant up?
  3. Algebra

    Could someone please help me figure out this question. If I paid $76.08 for something that was 40% off, what was the regular price? I got $127.98 but when I check my answer I am off by 2 cents. What am I doing wrong?
  4. Algerbra 1B

    Solve Each Sysem Using Substitution. Check ach solution. a = 2/5b -3 a = 2b - 18 c = 3d - 27 4d + 10c = 120 Thanks, hope someone helps
  5. math 116

    Solve using the multiplication principle Don't forget to preform a check 11x=-99 Would the answer be -9?
  6. Art

    Thank you, Writeacher. Could you please check if everything is possible? 1) What does Pamela recount to her mum in letter XV? What does Mr B accuse her of and how does she apologize herself to him (or justify her behaviour)?
  7. english

    the question might sound dumb, but can anyone check to see if the sentence is correct: It's(form) due till May 1st.
  8. Office Finances

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

    In the Eastern Orthodox Chrurch icons were once forbidden by the Pope true ** false check my answers please.
  10. accounting

    On check D, what’s the identification number that should be recorded on the bank deposit slip? A. 5321 C. 0582 B. 200.00 D. 56–92
  11. social studies

    What does the washington flag look like Check this site.
  12. pre calc

    find exact solution algebraically and check it by substituting into the original equation. 2(10^-x/3)=20 logtiny4(x-5)=-1
  13. English

    This is what I meant in the previous sentence. Thank you. 1)I want to say that if this person knows the password, he can check the names of the students who have already sent mail to their parterns.
  14. 12 Chemistry

    So I forgot, but I have one more I want to check while I am here (I seriously have a need for perfection, and want to include all of the details I can :P). So, what evidence is there that the esters synthesized in the lab are soluble? Again, thank you so much!!
  15. Enghish

    Please check my answer thanks :) In the sentence "Although the book was more than 50 years old, it still contained helpful information", the word although is what. I said it's adjective
  16. Reading

    Can u please help me with fourth edition improving vocabulary skills short version ? Chapter 1 sentence check 2.
  17. Physics check

    In 1923, Robert Millikan won the Nobel Prize for discovering the mass of the .... electron?
  18. to your reply, please check again

    that should of said Zero: 5 - 3 i for the one that stated use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816
  19. Tech (Check answers) 4 questions

    1. How can someone be humorous and have fun online with others without becoming a bully? A) She can make her mean comments anonymously. B) She can use etiquette to make sure that written communication is clearly understood. C) She can use ALL CAPS when she types. D) She can ...
  20. math

    Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Part 2: View and comment on the work of at least 2 other students. Try to choose students whose work is based on ...
  21. science

    How much work does it take to raise a 3kg object 5m into the air? (a) What is the potential energy of the object when it is 5m in the air? (b) What does this tell you about the potential energy you get when you do work to lift an object? (c) If you drop the object, how fast is...
  22. English

    Writing sentence and Paragraphs. Does the below look correct? Paragraphs 2 I am very excited about making medical billing and coding as my new field of my career. Since I use to work for Mary Brecking Ridge Hospital for 6 years. I learned a lot so now I have decided to get ...
  23. health

    If you work in health care, provide your professional point of view on whether or not the physician-centered communication attributes listed below correspond to physicians at your workplace. If you do not work in health care, provide your personal point of view on whether or ...
  24. MATH

    the word problem is stated exactly as this - the shaded area of the chart represents the number of Acme employees who bring their children to day-care centers before work.if there are 465 employees at Acme, how many do not bring their children to day-care centers before coming...
  25. chemistry,

    in analyzing household bleach. I have a flask that contains 10.00 mL diluted bleach + 0.4g KI + 20 mL distilled water and 20 drops of 2M HCl. To that I titrated 30.60 mL Na2S2O3 and I need to calculate the number of moles of NaOCl reacted. This is what I was thinking.. ...
  26. English

    Writeacher, I left out an email I need to write to a school's principal. I really need to "persuade" him to start a school exchange programme. I wonder if you could help me check it. I didn't include tje presentation of the school because you have already checked it. Our ...
  27. Math (shown work, please help check)

    Miss B. built a vegetable garden in her backyard. Her rectangular garden was 11m by 9m. Every morning she would notice carrots missing from her garden! In order to keep Bugs Bunny from eating all her carrots, she built a fence surrounding them. This fence had a total perimeter...
  28. Biology

    I need to find a way to measure protein concentration. It's for part of my infection and immunity lab report. We've done about radial immunodiffusion calculating the concentration of bovine serum albumin in unknown samples, and the last question is: What other techniques could...
  29. Spanish

    Can someone please check my work? Change the sentences, using the model as a guide. MOdelo: Paco quiere comprar los calcetines. (Paco quiere comprarlos.) (Paco los quiere comprar.) 1. Piensan cerrar la tienda a las ocho. (Piensan cerrarla a las ocho.) (Piensan la cerrar a las ...
  30. Algebra 2/Trig.

    I forgot some stuff from my 7th grade algebra class about complex what do you do with a problem like this 5+5i 3-i divided by + divided by 2-i 4+3i thanks.(divided by refers to dividing line in a fraction) In each case, RATIONALIZE the denominator. Here is the ...
  31. englishe- please revise

    Now that you have finished your research paper, what advice would you give to students starting this course? What would you do differently if you were just starting the course? On what would you focus more? On what would you focus less? Explain your answers. My answer: As I ...
  32. Trig

    Its a 30-60-90 triangle there's a line in the center that= 10 a. What is the length of the hypotenuse of triangle ABC? b. What is the length of the shorter leg of triangle ABC? c. What is the length of the longer leg of triangle ABC?
  33. Trig

    While the car is being driven , the tire picks up a nail. How high above the ground is the nail after the car has travelled 1km ... How high above the ground will the nail be after the car has travelled 0.1 km
  34. trig

    An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30 cm, and the objects take 4 sec to complete 5 cycles.For the first few cycles the distance from the mean position, d(t), in cm with respect to the time t sec is...
  35. Chemistry Check if its right XD

    Ok here is the problem but i only need help on part a XD i think i did it can you check my work? and tell me where i made the mistake? The space shuttle uses aluminum metal and ammonium perchlorate, NH4ClO4, in tis reusable booster rocket. The products are aluminum ...
  36. trig

    A man on a 135 feet cliff perpendicular (at 90 degrees) to the ground looks down at an angle of 16 degrees and sees his friend. How far away is the man from his friend? How far away is the friend from the base of the cliff? Sketch the triangle that matches this scenario with a...
  37. nursing

    i have to do matching and i can not figure theses out please help me!!! __1. annual evaluations __2. positive attitude __3. self- discipline __4.medical assistant __5. break-time __6. cooperation work __9. job descriptions __10.good rapport c. results in quality ...
  38. Science (URGENT)

    Can someones please check my work? 1. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? A: It takes the shape of its contaienr because its particles can slip past each other. but it has fixed volume and does ...
  39. Comm/215

    Q: Studying is hard work many students find they study better when they take regular breaks. A: Studying is hard work, many students find they study better when they take regular breaks. Is this correct?
  40. math

    simplify: x^(3/2)(x + x^(5/2) - x^2) add exponents when multiplying. For instance, the first term above x^3/2 * x=x^3/2 * x^2/2=x^5/2 add exponents when multiplying. For instance, the first term above x^3/2 * x=x^3/2 * x^2/2=x^5/2 ok, so would the answer be x^3 no. I will be ...
  41. Math (check answers)

    please check these answers and thanks 1.C 2.B 3.B 4.A 5.C the word tha correctly completes the sentence below. To convert from a smaller unit to a larger unit,you ___ by a power of 10. A.add B.subtract C.multiply D.divide 2.A textbook weighs 3 kilograms.How many grams...
  42. math, correction plz

    Can someone correct these for me.PLZ Problem#1 Directions solve equation ãx+4 = 3 My answer: x = 5 Probelm #2 Directions solve equation ã(4x+1) + 3 = 0 My answer x = 2 Problem #3 Directions solve equation ã(2y+7)+4=y My answer y= 1 and y = 9 the symbol a is a radical ...
  43. trig

    bernhardt and julia are observing an eagles nest in a tree. Julia is 75m from the tree, and sees it at an angle of elevation of 42 degrees A)How high up the tree is the nest B)Bernhardt is standing 30m behind julia. At what angle of elevation does he see the nest?
  44. Agebra 1

    A rental car charges $25.00 per day plus $.30 for every mile the car is driven. Dale rents a car while his own car is being repaired, and he only drives it to and from work each day. Dale drives 7 miles each way to and from work. Write an expression to represents Dale's cost ...
  45. math

    Can someone please check my work?? 16. The bigger the number the slope is in the equation, what do you notice happens to the graph? When the slope, m, gets bigger the line will become steeper. My Answer~~ As the slope, m, gets bigger the line gets steeper 17.What common ...
  46. Economics

    1. An economy's production possibilities frontier is also its consumption possibilities frontier. a. under all circumstances b. under no circumstances c. when the economy is self-sufficient d. when the rate of tradeoff between the two goods being produced is constant 2. The ...

    PLZ HELP. THANKS. The balance wheel of a watch oscillates with an angular amplitude of rad and a period of 0.220 s. a) Find the maximum angular speed of the wheel. (b) Find the angular speed of the wheel when its displacement is /4 rad. (c) Find the magnitude of the angular ...
  48. trig

    Sandra wants to find the height of a moutain. From her first location on the ground, she finds the angle of elevation to the top of the mountain to be 35 degrees 15 minutes. After moving 1000 meters closer to the moutain on level ground, she finds the elevation to be 50 ...
  49. physics

    A 56-kg rollerblader skates across a skating rink floor. The graph below shows the net external force component F cos è along the displacement as a function of the magnitude of the displacement d. Determine the Following: (a) work done by the net force component F cos è ...
  50. Math-Trig

    1. Create an algebraic expression for sin(arccosx-arcsin3x) 2. The cosx=4/5, x lies in quadrant 4. Find sin x/2 3.Determine all solutions in (0,2pie) for sin4xsin^2x=3, cot^2v(3-1)cotx=v(3), cos^2x=cosx, and tan^2x-6tanx+4=0 4. Solve; sin(∏/2-x)=1/sec 5. Solve; cot+4x+...
  51. chemistry (Pls Bob check for me)

    A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03 weight = 106g/2 = ...
  52. trig

    It is 4.7km from Lighthouse A to Port B. The bearing of the port from the lighthouse is N73E. A ship has sailed due west from the port and its bearing from the lighthouse is N31E. How far has the ship sailed from the port?
  53. trig

    1) given cotθ = 1/2√7, find sinθ and cosθ in quadrant I 2) given tanθ = √5, find secθ and cotθ in quadrant III
  54. trig

    1. Write a sinusoidal function for the function with a period of 6. The function has a max of 3 at x=2 and a low point of -1. 2. Write a sinusoidal function for the function with a period of 5. The function has a max of 7 at x=1. explain it in full detail please
  55. trig

    I am trying to get wxMaxima to give me arcsin(4/5), either in radians or degrees. I am using a: 4/5$ b:asin(a)$ print("the angle is ", b)$ But it returns the angle is asin(4/5) How do I get wxMaxima to give me the angle? I want .927 radians or 53.1 degrees.

    English is my second language; please help me to solve few sentences Which one is a complete sentence? Yesterday in the morning while I was asleep Cornered by deer in late evening while talking on my cell and listening radio Because I finished my home work, I may go out. I ...
  57. physics (last problem)help

    On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 5.40 m from your sailboat. When you are 3.10 m below the surface, the top of the sailboat mast appears to you to be in a direction 40.0° from vertical. Calculate the height of the mast part two From your ...
  58. Math

    In an election of two candidates the successful candidate secured 236 votes more than his rival.If the rival candidate obtained 1/6th of the total votes secured by the successful one in addition to his own votes, he would have won the elections by 42 votes. Find the number of ...

    A .35 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (with the spring constant (k) =455 N/m) whose other end is fixed. The mass has a kinetic energy of 10 J as it passes through its equilibrium position (the point at which ...
  60. can you check my answers precalculus

    can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] + (6k7 +1) + (6k + 2) ...
  61. Math

    Which of the following values best approximates of the length of c in triangle ABC where c = 90(degrees), b = 12, and B = 15(degrees)? c = 3.1058 c = 12.4233 c = 44.7846 c = 46.3644 In triangle ABC, find b, to the nearest degree, given a = 7, b = 10, and C is a right angle. 35...
  62. 6th grade math

    Mya works on Saturdays and then attends a study group. She needs to be home before her younger brother. She walks from work to the study group in 5 minutes. She studies for 40 minutes. She takes 5 minutes to walk to the bus stop. The bus ride is 30 minutes long. It takes her ...
  63. Writing

    Posted by Anonymous on Tuesday, August 27, 2013 at 7:10pm. Please give feedback and grade. Prompt:"Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a ...
  64. Spanish #2

    Can someone please check my work? Julián describes his family/. Complete the paragraph using possessive adjectives/. La hijas de mi tía son (mis) primas. Una se llama Noemí y (sus) hermanas se llaman Rosario y Débora. (Nuestras) madres son hermanas. (???) abuelo es joven...
  65. can someone please check if im right : math

    4(3x+7) is this the equivalent expression : 12x+28 Yes it is, that' using the distributive property. ok. how do i get the opposite of an expression example : -10t+21 The opposite? Do you mean the negative or additive inverse of the expression? If so then multiply it by -1. ...
  66. Physics

    A force of 5 N causes the displacement of an object by 3 m in the direction in which the force acts. What work did the object do/has been done on the object? My ans: Work = F * Displacement =+15 J positive because it acts in the direction of the object?
  67. English/grammar

    All of your hard work and dedication has molded you into an amazing young lady. or All of your hard work and dedication have molded you into an amazing young lady.
  68. Math: Trig

    to determine the height of a pole across a road, Justin takes two measurments. he stands at Point A directly across from the bass of the pole and determines that the angle of elevation to the top of the pole is 15.3 degrees. he then walks 30m parallel to the freeway to point C...
  69. Trig

    a. Form a pair of simultaneous equations by letting y1 equal the left side and y2 equal the right side of sqrt 5-x=1. b.Repeat part (a) with the equivalent equation sqrt 5=x+1 c. Repeat part (a) with the equivalent equation sqrt 5-x-1=0
  70. statistics

    Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula for transforming a raw score in a sample into...
  71. Spanish (double check my work please)

    Choose the sentence in which the "" word is grammatically correct. A. Esta varilla negra "está" parada sobre otra cosa negra. B. Esta varilla negra "esta" parada sobre otra cosa negra. C. Esta varilla negra "es" parada sobre otra cosa negra.<<< not sure? D. Esta ...
  72. English

    Can someone check my my post? Thank you very much in advance. Franco At the end of the 19th century and the beginning of the 20th century, millions of people emigrated to the USA as they wanted to escape from poverty, unemployment, and political and religious persecution. Most...
  73. Plz Check My Geometry

    Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think it is. 1.) Given points A(-4, 5), B(2, 3), C...
  74. Plz Check My Geometry

    Out of 30 questions these few I struggled with. I put what I feel was right but to be sure I would like some one to check my answers and if there wrong redirect me on how to get the correct answer.( after the = is the answer i think it is. 1.) Given points A(-4, 5), B(2, 3), C...
  75. shakesepeare

    These are the only references I can find that put "Shakespeare" and "Kurtz" together! I have never read any work (Shakespearean...
  76. Trig

    4. Write the equation of the cosine function with an amplitude of 1/3, a period of 2pi, and a phase shift of 3pi/2. 5. Write the equation of the sine function with an amplitude of 4, a period of pi/2, and a phase shift of -pi/4.
  77. Algebra 1

    So I attempted this and I'm not sure if it's the correct answer - and I don't know how to graph it.. Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected. A. Write a system of ...
  78. English

    The nurse, who was late for work, put the manual into a large blue tote bag getting out of the car. Which of the following is misplaced in the sentence above? A. who was late for work B. getting out of the car C. into a large blue tote bag D. put the manual. I think b
  79. Trig

    Two pullies are connected by a belt, Pulley A has a radius of 3 cm and pulley B has a radius of 6cm. As Pulley A rotates, a drop of paint on the circumference of pulley B rotates around the axle of Pulley B. Initially the paint drop is 7 cm above the ground determine the ...
  80. Trigonometry

    Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 if 0<equal to theta , pi/2 then sin(theta) = tan (theta) = If 3pi/2 less than equal to theta , 2pi then sin(theta) = tan (theta) = I know the trig functions but I feel like I am missing something here. cos (...
  81. English

    Thank you very much. Here are some more sentences I'm not sure of. 1) DNA can’t be changed since each (every also possible) person/each of us/ has a different DNA (?). 2) Using (by using) this method forensic artists can convict thousands of criminals even after many years ...

    If we decrease the distance an object moves we will decrease the amount of force applied. Decrease the amount of work done. increase the amount of force applied. increase the amount of work done.
  83. math

    2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can receive chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...
  84. Trigonometry

    There is an arbitrary triangle with angles A, B, and C and sides of lengths a, b, and c. Angle A is opposite side a. How do I get the formulas: b * cos C + c * cos B = a c * cos A + a * cos C = b a * cos B + b * cos A = c Are these standard trig formulas? What are they called...
  85. Trig

    The problem is: an airplane is flying in the direction 120 degrees with an airspeed of 320 mph, and a 35 mph wind is blowing in the direction 60 degrees. The question ask to find the true course and the ground speed. To solve the problem I have done this: Flying 120sin 320_+...
  86. science(check answers)

    please check my answers 1. B 2. A 3. D 4. A 1.B 2.A 3.D 4.A 1.All renewable resources are inexhaustible A.true B.false 2.Some fuels,called biofuels,are made from plants.They are used in cars and other machines biofuels would fit best in which of the following categories A. ...
  87. Dallas

    What types of issues can you likely resolve by knowing how to access and use the Control Panel? Choose all that apply. network issues*** screen resolution and volume issues**** frozen application issues virus issues What can help prevent issues related to downloading content ...
  88. Ed Tech

    What types of issues can you likely resolve by knowing how to access and use the Control Panel? Choose all that apply. network issues*** screen resolution and volume issues**** frozen application issues virus issues What can help prevent issues related to downloading content ...
  89. Science/English

    I really need a science teacher to check point 1 and tell me if the rest is possible. Thank you very much! 1) Task organization and information distribution The various tasks will be divided among participating students according to the logical breakdown of looking at the ...
  90. Physics

    To move a large crate across a rough floor, you push on it with a force (F) at an angle of 21 degrees below the horizontal. Find the force necessary to start the crate moving, given the mass of the crate is 32 kg and the coefficient of static friction between the crate and the...
  91. Trig/Pre-Calc...

    Please help me with this. The finishing time for a runner completing the 200-meter dash is affected by the tail-wind speed, s. The change, t, in a runner's performance is modeled by the function shown below: t= 0.0119s^2 - 0.308s - 0.0003 Predict the change in a runner's ...
  92. Chemistry

    Can someones please check my work? 1. Why does a liquid take the shape of whatever container it is in but does not expand to fill the container completely? A: It takes the shape of its contaienr because its particles can slip past each other. but it has fixed volume and does ...

    ive done ten sentences, five are verb and five are adjective, please check. 1. Lily bought a pink cat mask for the halloween party. 2. Anna was covering her scar with makeup as she didn't want anyone to make fun of it. 3. Tory dressed up in disguise to scare his little sister ...
  94. Algebra-check my answers

    can you check my answers please? Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. f(x) = 2(x - 2)(x + 4)^4 2, multiplicity 1, crosses x-axis; -4...
  95. Physics

    4830J of work is done by a laborer pulling a 27.0 kg crate across a cement floor at a constant speed of 7.82 m/s by a 454 N force. The rope is being pulled at a 37.0 degree angle to the floor. a)How far was it pulled? b)What is the friction force? c)What is the work done ...

  97. math

    Paul works for three hours. Sally works 2 1/2 times as long as Paul. Raul works 3/4 hours less than Paul. Tim works 1 1/3 times as long and Raoul. How long does each person work? How long do they work together?
  98. business

    i have a problem with this question my teacher gave me. i don't know what to write for the answer. the problem: there is a girl named Jane who is hired as the head of the payroll department at R& S Electronic company, firm of 75 employees. she is hired by Eddi the general ...
  99. Algebra 1

    Hello, can someone check my answer the the question below? When the digits of a two-digit number are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. WHat is the original number? My answer Let t = the tens ...
  100. Trig

    A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t-3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at the point of ...
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