Calculus (Answer Check)

88,790 results, page 54

  1. calculus

    express in sinx 1 1 ---------- + -------- cscx + cotx cscx - cotx and express in cosx 1 + cot x ------- - sin^2x cscx = 1/sinx so what do i do w. that extra one on the top!?? im so confused cscx Your fractions aren't lining up. This question is also not calculus. Please do not...
  2. pre algebra

    A college bookstore ordered 6 boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in the box? How would you solve it and check answer into the original problem?
  3. Calculus

    Can someone help me find the derivatives of these questions? For these can you only need to tell me the answer so i can see if i have the same thing. y=cos(-4x) y = sinx^2 y = xcosx I need help with these 6 please. y = xcos(1/x) y = (1+sinx)/(1-sin^(2)x) y = sin^2x/cosx y = ...
  4. IT computer memory

    Can someone check this for me please.. 18 MB of data are to be transmitted over a a megabyte per second connection. How long should the complete transaction take, to the nearest 0.1s. Size of file / data rate so, 18,874,368 bytes / 4,000,000 = 4.718592 = 4.7 is that correct a ...
  5. Precalculus

    Find the roots of the following quadratic equations by factoring. y=x^2+9x-36 I got (x+12)(x-3) but on the answer key it says that the answer is this, however it renames the x values with opposite values. For example, the answer on the review for it has my answer, but the ...
  6. Business communications 1

    which of the following is not an example of a parallel structure? 1. yoga can help you develop flexibility, reduce stress, and increase relaxion. 2. Learn hot to analyze business audiences, improve your style, and edit thouroughly. 3. you are all encouraged to come and share ...
  7. science(CHECK ANSWERS)

    can anyone answer my question?? which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis. B.when the interior of a car absorbs sunlight and warms up. C.when a solar panel absorbs ...
  8. chemistry(check my explanation)

    sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves when heat is added, ...
  9. Language Art (Please Check)

    please check....i also put the deffinitons just in case... 1.which of the following might be considered a tedious job? A.designing video games(i PICK THIS A.) B.writing an advice column C.bagging groceries 2.A person who shows bigotry is likely to have feelings of A.pride B....
  10. More related rates.

    Heyy, its me again. So last night I asked a related rate question, and I think I still don't get it. I tried it a few differnt ways and I think I'm just missing something...I don't think a speed of a rocket can be 0.018km/hr:S. So heres what happened: A camera, located 2 km ...
  11. algebra

    Could someone check my work; 1. Generate the first five terms in the sequence using the explicit formula. yn = –5n – 5 –30, –25, –20, –15, –10 30, 25, 20, 15, 10 –10, –15, –20, –25, –30(my answer) 10, 15, 20, 25, 30 2. What is the 15th term in the ...
  12. Social Studies

    Which statement best describes the framework of government established by the Constitution? A. The three branches of government defer the majority of power to the states B. A system of checks and balances keeps each of the three branches from having too much power C. The ...
  13. English

    It is very rude of you to behave like that. It is very wise of you to answer the question. It is very stupid of you not to solve the math problems. It is smart of you to solve the math problems. It is careless of you to hit the jar while driving. It is considerate of you to ...
  14. social studies

    Which of the following is a check by the judicial branch on the legislative branch? 1. People elect a county judge. 2. The Supreme Court declares a law unconstitutional. 3. The Senate passes a bill with a majority vote. 4. Supreme Court justices are appointed for life. 5. The ...
  15. calculus

    A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity as –32 feet per second squared and approximate your answer to 3 decimal places.
  16. calculus

    Identify any intercepts, relative extrema, points of inflection, and asymptotes. (If an answer does not exist, enter DNE.) y = x^3 + 3x^2 + 3x + 2 x-intercept (x, y) = y-intercept (x, y) = relative maximum (x, y) = relative minimum (x, y) = point of inflection (x, y) = ...
  17. Calculus

    Answer the following questions for the function f(x)=(x^3-9x^2+27x-27)/(x^2-6x+8) defined on the interval [-14, 22]. Enter points, such as inflection points in ascending order. A. The function f(x) has vertical asymptotes at _______ and ________. B. f(x) is concave down on the...
  18. Math/Algebra

    Find each sum or difference (3x^2 + 7x- 2)+ (2x^2 - 3x + 4) Answer: 5x^2 + 4x + 2 (4x + 8y) + (-7y + 3x) Answer: 7x+1y (x^2 + 4x - 1)+ (9x^2 - 8x + 9) Answer: 10x^2 - 4x + 8 (8x + 6) - (2x - 1) Answer: 6x+ 11
  19. Math (Algebra)

    How do you simplify the following fraction; 72 --- -68 I know the answer is -18 --- -17 What I do not know is how this is the answer.The example I looked at did not tell me how it came to the answer. What do I do to find the answer?
  20. Organic Chemistry-pls check

    Which is the major product from acid catalyzed hydration (addition of water) of 2-methyl-2-pentene? a) 2-methyl-2-pentanol b) 2-methyl-1-pentanol c) 2-methyl-3-pentanol d) 3-methyl-3-pentanol answer: "c": 2-methyl-3-pentanol ???
  21. Math Help

    Hello! Can someone please check and see if I did this right? Thanks! :) Directions: Find the exact solutions of the equation in the interval [0,2pi] cos2x+sinx=0 My answer: cos2x+sinx=cos^2x-sin^2x+sinx =1-sin^2x-sin^2x+sinx =-2sin^2x+sinx+1=0
  22. check my answer please

    A ball of mass 2kg travelling in a straight line at 4ms^-1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds? vf=vi+at but a=force/mass a = 3÷2= 1.5 vf=4+1.5×5= vf=4+7.5 vf=11.5m/s^-1 Is this correct? ...
  23. Health /Law

    please check my answer :) thanks Patty Smith is in labor, and her husband drives her to the ER of a hospital that parricipates in Medicare Patty has no insurnce The hospital should treat her until she is stable or transfer her to another hospital. I picked that the hospital ...
  24. science

    If you could double check my answer that would be awesome :) which of the following is not part of the theory of evolution? Organisms tend to produce more offspring than can survive to reproductive age ** Organisms can acquire changes during their lifetime that can help their ...
  25. General Chemistry

    Answer Check Please... A compund contains only hydrogen and nitrogen and is 12.6% hydrogen by mass. A gaseous sample of the compound has desity of 0.925g/L at 690 torr and 110 degrees Celsius. What is the molecular formula of the compound? My Empirical Formula = H2N Molecular ...
  26. dog behavior

    please check my answer thanks :) If a dog breaks its position before you give the release signal, what should you do? A. Immediately say the release word "Free." B. Wait until another time to practice the exercise again. C. Make the dog stay in position longer. D. Put the dog ...
  27. Health care

    Please check my answer thanks :) By creating a committe on social welfare, the Americain Association of Labor Legislation helped to 1. decrease public hospital costs 2. implement fee schedules 3. implement health care coverage for the working class and needy. 4. create the ...
  28. Check answer for la please!!

    In which sentence is the word periscope used correctly? A. Excited about her finding, the scientist used a periscope to view the organisms in the water sample. B. On the night of the full moon, we used the periscope to look at the sky. C. Sitting behind the tall stone walls, ...
  29. math

    1)Question : granny georgette and kiwi have a combined age of 77 if kiwi is 13 years less than twice granny georgette age how old is kiwi. please check my answer and correct me if i'm wrong. please. . . . thanks thanks
  30. Geometry-PLEASE CHECK ANSWERS!

    In isosceles triangle DEF, DE=DF. Which of the following is true? 1) <D is congruent to <E 2) <F is congruent to <E 3) <D is congruent to <F 4) <D is congruent to <E which is congruent to <F Is the answer (3)? In triangle ABC, if line AB is congruent...
  31. Calculus

    Let f be the function defined for x >or= to 0 with f(0)=5 and f', the first derivative of f, give by f'(x)=e^(-x/4)sin(x^2). A) Use the graph of f' to determine whether the graph of f is concave up, concave down, or neither on the interval 1.7<x<1.9. Explain your ...
  32. Math: Calculus - Geometric Vectors

    Find the magnitude and the direction of the resultant of each of the following systems of forces using geometric vectors. a) Forces of 3 N and 8 N acting at an angle of 60 degrees to each other. Please help me with this question. I don't understand the wording, so I don't know...
  33. Calculus

    A particle moves on a line away from its initial position so that after t hours it is s = 6t2 + 2t miles from its initial position. Find the average velocity of the particle over the interval [1, 4]. Include units in your answer. I started by taking the derivative of s(t) but ...
  34. Calculus

    A water trough is 5 m long and has a cross-section in the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 70 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.2 m3/min how fast is the water level rising when ...
  35. Math - Studying for Pre Calc exam!

    Approximate the solutions (to three decimal places) of the given equation in the interval (- pi/2, pi/2) 6 sin 2x − 8 cos x + 9 sin x = 6 Can you help with this please? I am studying for my Pre Calculus 1 exam and am stuck on this question...! The answer options are a. x...
  36. Science - 1 Question

    A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!
  37. Physical Science

    A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!
  38. Purchasing Power of Income/ Economy

    We use the _________ to determine the purchasing power of income. A. Interest rate. B. Real GDP. C. CPI. D. GDP. E. None of the above. Check this site for your answer. http://www.bls.gov/cpi/
  39. Science - 1 Question

    A small fish in the pacific ocean watches a shark swim by a large rock a few meters away. Which of the following is a reference point in this scenario? A. shark ** B. large rock C. water D. pacific ocean I think the answer is A, please check!
  40. econ - demand and supply

    just a few questions that would like to double check my answer For each of the following cases, sketch a supply and demand curve for the specified industry and show how each event will shift the curves. (Be sure to label all curves)! State what occurs to the Q and P for each ...
  41. World History Answer Check (Ms. Sue)

    Why does Aristotle believe that man is meant for political association? A: Aristotle believes that man is meant for political association because he possesses a perception of good and evil, of the just and unjust, and of other similarities qualities.
  42. Math-check my answers!!!

    Check my answers please!!!! I really don't know how to do these but I tried my best 1. Simplify. 3x^2+ 5x-5x^2-4x+5-2 A.-8x^2-9x+3 B.2x^2+x+3 C.-2x^2-9x+3*** D.-2x^2+x+3 2. Add or Subtract.(8x – 2y) + (3x – 4y) A.11x+8y B.4x-y C.11x-6y*** D.5x+2y 3.(5x^2-4x-1)-(-4x^2-4) A...
  43. (Math)Simplifying using the laws of exponents

    I need help with a few problems. 1.) (x^3/4 times y^1/3)^2/3 How is the answer x^1/2y^2/9 2.)(x^-1/3 times y) (x^1/2 times y^-4/3) How is the answer x^1/6 over y^1/3 3.)(4a^2b^-7/2)^1/2 How is the answer 2a over b^3/4 4.) (x^2/3y^-1/3 over 8x^1/2y)^1/3 How is the answer x^1/18...
  44. English

    * According to the spacing rules, write the following sentence again in the blank. 1. Iamapoliceofficer. -> __________________ (Is the expression correct?) * I have sent the MTCN number to you with my cell phone. However, you can not verify the name of the sender. You also ...
  45. french

    Can you check these thanks. Part 1 Directions: Répondez selon le modèle. Elle va souvent à Montréal? Oui, elle y va souvent. (As you can see we are now learning the pronoun y) 1. Ils vont souvent à Paris? Answer: Oui, ils y vont souvent. 2. Ils restent longtemps en France...
  46. Math

    Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
  47. Math

    Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
  48. Calculus

    Solve the following initial value problem and determine the interval where the solution exists. dy/dt = 2ty^2 y(0) = y_0 Textbook answer is: When y_0 <> 0, then y = 1/(1/y_0 - t^2). When y_0 = 0, then y = 0 When y_0 > 0, the interval where solution exists is |t| < ...
  49. Reading

    I'm in seventh grade and working on my test for Reading. Everything is fairly simple and easy, but I came across a question that I cannot determine the answer for. The question is: "What is the meaning of the prefix pro- in the word 'proposed'?" The answer choices are: "above...
  50. math

    can please somebody check my answer: Q. A tuning fork produces a sound that has a wavelength of 136 centimetres. What is the frequency of the tuning fork? (Take the speed of sound to be 340 metres per second.) A. f= velocity/wavelength f= 340/1.36 f=250Hz
  51. Dissociation Equations Answer Check

    1. Write the equation for the dissolution of potassium iodide in water. KI(s) + H20 --> K+ (aq) + I- (aq) 2. Write the equation for the dissolution of magnesium bromide in water. MgBr2(s) + H20 --> Mg2+ (aq) + 2Br- (aq)
  52. Calculus 2 - springs

    Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the spring. Thank you
  53. socialstudies(CHECK ANSWERS)

    PLEASE CHECK MY ANSWERS please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few ...
  54. help me for this stupid worksheet

    the question is.. why did the ghost decide to haunt city hall? urgh i don't fee like doing it so im hoping someone has the answer :] You might have gotten an answer if you'd told us the source of your question. To which story, poem, play are you referring? i need the answer ...
  55. finance

    Can someone check this for me thanks.... what information is the most valubale in a balance sheet? my answer: the most important type of information in a balance sheet is the overall or result after using the formula: assets = liabitlities + equity then also the end result of ...
  56. 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
  57. English

    Could you please check these sentences? 1) I haven’t been here for long. How long have you been married? Since 1998. (Could you say: How long is it since you got married?) . 2) It’s two months since I last saw Mary. Mrs Brown hasn’t seen her son for three months. 3) When...
  58. French

    Could you please check these answers to thanks. Directions: Answer the questions 1. La majoritè des élèves prennent le car scolaire pour aller à l' école? Answer: Oui, la majoritè des élèves prennent le car scolaire pour aller à l'école. 2. Les élèves prennent l' ...
  59. British & American Government Question

    In comparing the British and American systems of government,which statement is true: A. Britain's government was created by a single document that is very similar to the U.S. Constitution. B. The House of Lords is the most powerful branch of Britain's government. C. There is ...
  60. writing

    Can someone please check my answers which of the following would always require a citation in a research paper? thesis statenment an anecdotal experience a quotation (answer) a humorous statement Which of the following shows the correct parenthetical citation for information ...
  61. Algebra

    this isn't the same question as my last post!! it's the second out of three. Hello! I'm looking over one of my tests and trying to see how to do things I got wrong, but I'm having trouble with three of the questions. Here's one of them: Find the simplified form of the equation...
  62. Calculus(math)

    A particle is moving on a straight line in such a way that its velocity v is given by v(t)=2t+1 for 0≤t≤5 where t is measured in seconds and v in meters per second. What is the total distance traveled (in meters) by the particle between times t=0 seconds and t=5 ...
  63. math

    What formula should i use for this problem.Or how should i solve it stock growth: A stock that sold for $22 at the beginning of the year was selling for $24 at the end of the year. If the stock paid a dividend of $0.50 per share, what is the simple interest rate on an ...
  64. re- check

    5.punctuating sentences- Wiithout a doubt, cramming for the test. Answer - Without a doubt cramming for a test is stressful, when it is done at the last minute. 6. Same - He took the curvr too sharply, it caused and accident. Answer: He took the curve too sharply, and it ...
  65. re- check

    5.punctuating sentences- Wiithout a doubt, cramming for the test. Answer - Without a doubt cramming for a test is stressful, when it is done at the last minute. 6. Same - He took the curvr too sharply, it caused and accident. Answer: He took the curve too sharply, and it ...
  66. Macroeconomics

    working on homework & stuck on these three questions. Someone please check if I answered these correctly; Thank you! 1. In the event of excess supply in the coffee market __________. A. the price of coffee will increase B. the price of coffee will decrease C. the supply of ...
  67. math

    Jake is making birdhouses to sell. The cost to make them is $80 for supplies plus $6.25 per birdhouse. He will sell them for $16 each. What is the minimum # of birdhouses he must sell to make a profit. I got he must sell more than 8 I did it by setting up 80+6.25x<16x -6.25...
  68. U.S History - need Help to check my answer

    Document A - “Sir, our vessels are now captured when destined to the ports of France and Britain without even the pretext of having on board contraband of war, enemies' property, or having in any other respect violated the laws of nations.. . . . Over and above these unjust ...
  69. Algebra word problem

    There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a ...
  70. Calculus

    The rate at which water flows into a tank, in gallons per hour, is given by a differentiable, increasing function R of time t. The table below gives the rate as measured at various times in an 8-hour time period. t (hours) 0 2 3 7 8 R(t) (gallons per hour) 1.95 2.5 2.8 4 4.26 ...
  71. Algebra 2 Answer Check

    Solve each equation. 1. (|3x -4|)/(-5) = 6 A: no solution 2. (|2x -5|) = x + 3 A: x = 8 or x = 2/3 Solve each inequality. 3. |5x + 15| > 20 A: x > 1 and x < -7 4. [(|x - 2|)/ (4) greater than or equal to 5 A: -18 < x < 22 5. (-3) x (|5x - 8|)- 5 greater than or ...
  72. algebra

    Check my answer? What is the order of the numbers from least to greatest? A= 6.2x10^5, B= 1.1x10^-3, C= 4.3x10^-3, D= 5.2x10^-5 I think it's D,B,C,A (5.2x10^-5, 1.1x10^-3, 4.3x10^-3, 6.2x10^5)
  73. chem

    Consider the equation A <-> in a 1L container. At 7.57C, the molar concentrations of A and B are 7.228M and 1.976 (respectively). Suddenly, 1.831 moles of A are added to the system. What is the change in deltaG of the system (Answer in kJ) At first, I thought I would use...
  74. Computer Tech.

    Can you help with this question? 5,000 megabytes is equal to how many gigabytes? Check this site and multiply by 5,000. http://malektips.com/computer_memory_definitions_0003.html I looked at the site but I am confused. please help! 1,000 megabytes equals 1 gigabyte. Therefore...
  75. chemestry please check my anwers.

    1.How do acid-base reactions differ from oxidation-reduction (or "redox") reactions? Answer Acid-base reactions involve an exchange of protons whereas redox reactions involve an exchange of electrons.<<< Acid-base reactions and redox reactions involve different ...
  76. Art

    I urgently need you to check these sentences. Thank you. 1) Focus on Richardson’s Pamela and answer briefly the following questions. 2) What does Pamela recount to her mum in letter XV? 3) What does Mr B accuse her of and how does she apologize herself to him? 4) What does ...
  77. Calculus

    The function y=Asin (sqrt(k/m)t) represents the oscillations of a mass m at the end of a spring. The constant k measures the stiffness of the spring. 1. Find the first positive time time t1 at which the mass is farthest from its equilibrium position: t1=_________________ 2. ...
  78. math

    The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? a.)10...
  79. Math(Please check)

    During the month of February, a flu epidemic hit the University. The number of people sick at time t (measured in days) is given by the function P(t). The rate at which the epidemic is spreading on February 3 is 110 people per day. How is the information best represented ...
  80. physics

    Calculate the work required to be done to stop a car of 250 kg moving at a speed of 18km/hr? answer is right or not please check Mass =250 kg Velocity = 18kg = 18 x 1000/60 x 60 = 5 m/s KE = ½ mv x v = ½ x 250 x 5 = 125 x 5 = 625 J Therefore the counter back this force we ...
  81. Health care

    Please check my answer thanks :) Your neice may be eligible for health care coverage under the State Children's Health Insursnce Program. Where should your neice first start reveiwing eligibilty requirements ? 1. Social Services 2. The centers of Medicare and Medicaid 3. in ...
  82. Chemistry

    Can someone please check my answers for me for the following questions. THANK YOU! 1) An ion with an oxidation number of 3+ can combine with three other ions, if each of these ions has an oxidation number of....3- 2) The correct formula for nickel(II) chloride is...NiCl2 3) A ...
  83. physics

    how many gram of ice at 0 c can be melted by the heat released when one gram of steam condense to water at 100 c check my answer please and you deman i am sorry by accident i post it the previous question solution Qcold=-Qhot MLf(ice)=-MlV(water) Mice = -(-0.001*2256000)/(...
  84. World History Answer Check (Ms. Sue)

    What group do Aristotle and Plato agree would make poor rulers? Why? A: Both authors agree that the rich would make poor rulers because, given that most lacked good and happiness in their lives, the wealthy would most likely set about fighting for power, bringing conflict that...
  85. Calculus

    The Estradas are planning to buy a house 5 years from now. Housing experts in their area have estimated that the cost of a home will increase at a rate of 3%/year during that 5-year period. If this economic prediction holds true, how much can the Estradas expect to pay for a ...
  86. Calculus

    I really need help with this problem an automobile accelerates from rest at 1 + 3(square root)t mph/sec for 9 seconds. How far does it travel in those nine seconds? I have found that the velocity, after nine seconds, is 63 I have figuredout the answer but i don't know how to ...
  87. math

    Order of Magnitude (I'm not quite understanding it) 1) trying to 0.0000000734 estimated as the product with a single digit power of 10.*No multiple choice* 2) Trying to find the numbers that a greater than 7 x 10^-4 (Choose more than one answer type question) - 8 x 10^-4 * my ...
  88. calculus

    Sorry to post this again, but I am still unable to understand it and need help. Please help.1) Using 3(x-3)(x^2-6x+23)^2 as the answer to differentiating f(x)=(x^2-6x+23)^3/2, which I have been able to do, I need to find the general solution of the differential equation dy/dx...
  89. chemistry

    i have to write chemical formulas and balance them: nitrogen and oxyen---> nitrogen monoxide N2+02---->2NO nitrogen monoxide and oxygen----> nitrogen dioxide gas. NO2+O---->NO2 (i'm not sure about this, please check) nitrogen dioxide and water----> nitrous and ...
  90. English Punctuation

    Where do the commas go in these sentences? Please check. 1. Most criminals are armed, and it is unlikely that a ban on guns would ever be passed in the United States,and, therefore, it is mandatory that police officers be armed. 2. Police officers must be knowledgable about ...
  91. Calculus (RATE OF CHANGE)

    Two cars leave a town at the same time and travel at constant speeds along straight roads that meet at an angle of 60° in the town. If one car travels twice as fast as the other and the distance between them increases at the rate of 81 mi/h, how fast is the slower car ...
  92. calculus

    Can some explain how to do this problem? I tried using derivatives...but...I keep getting a different answer from what my teacher told me! A projectile is fired directly upward with an initial velocity of 144 ft/sec and its height (in feet) above the ground after t seconds is ...
  93. Algebra

    terry earns $6.50 per hour babysitting. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent babysitting. b. how much money does terry earn if she babysits for 4 hours and 15 minutes? A. m(h)= 4h+ 15:$26.15 B. m(h)= h/6.50;$...
  94. House/ Crate training (dogs)

    Please check my answer thanks When a dog or puppy is in its crate what should its owner do A. Close the door to keep it safe B. Place the crate is an isolated part of the house C. Leave the puppy alone to enjoy its privacy. D. Place the dish in the crate and keep it full I ...
  95. Math: Calculus - Vectors

    A boat travels at a speed of 5 m/s in still water. The boat moves directly across a river that is 70m wide. The water in the river flows at a speed of 2 m/s. How long does it take the boat to cross the river? In what direction is the boat headed when it starts the crossing. ...
  96. Pre-Calculus

    Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ∠B1 is smaller than ∠B2.) a = 34, c = 43, ∠A = 39...
  97. Calculus

    I'd really like some help in solving an integral. ʃ 1/ √x (1-3√x) In numerator: 1 In denominator: the square root of x times 1 minus 3 times the square root of x The answer given is -2/3 ln l1-3√xl + C but I don't know how to get there.
  98. Pre calculus

    How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the equation: -8=-3-6 (3sqrtx^2) Thanks again!
  99. French

    Could you check these thanks: Directions: Chose the one that best matches. A. Mais elle a une roue de secours dans le coffre. B. Elle brend des leçons de conduite. C. Elle a besoin d'essence. D. Elle doit freiner. 1. Elle va à une auto-école. Answer: B 2. Le réservoir est ...
  100. calculus

    A running circuit is to be constructed in the shape of a rectangle with two semicircles attached at the east and west ends of the path (see figure). A picnic area will be set in the center of the circuit. If we want the total length of the circuit to be 2000 m (2km ), what ...
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