Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

143,398 results, page 43

  1. trig

    I need help on these problems: Find the exact value of tan(23pi/6) also, Find the reference angle in radians and degrees for (34pi/18) please help walk me through these.
  2. Math(Please check)

    g(x) = (3/2)^x+2 I need to find the intercepts. My teacher told me to press trace on my graphing calculator to find them. I got x = 0 and y=3 everything else is decimals so is my answer just (0,3)?
  3. Math Help Plz

    The point (3,-8) is on the terminal arm of the angle x. Find sinx exactly and find x, in radians, to two decimal places. I don't how I should start this question. please help and thank you
  4. Math

    An aircraft flew 3hrs with the wind. The return trip took 4hrs against the wind. If the speed of the plane in still air is 180mph more than the speed of the wind, find the wind speed and the speed of the plane in still air.
  5. Math

    How do I express these in scientific notation AND Log10 form? 1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4) 10^-45 5) 8^2.34 Please show some effort, and please stop posting under multiple names.
  6. Writing PLEASE HELP!!!!

    i need a story that has a genre of realstic fiction please its due tomorrow!! Cold Mountain or Thirteen Moons by Frazier are two
  7. DrBob222 help me!!

    Please I posted a chemistry question but I havent gotten any answer back please help me, sorry for having so little patience answered below.
  8. Critical Thinking

    A strawman is when someone makes a claim,or refute by putting words in someones mouth.Please help I need an example sentence please!!!!!!!!!
  9. Physics - please check over

    Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong.
  10. To FRANK or SUE - re DATABASE

    1. Please release your Caps Lock key. 2. Copying/pasting is clearly not working for you. Please type in your question by hand.
  11. science

    what is the word to put in the blank? A(n)_____________is a summary of what you have learned from an experiment. PLEASE help! whoever answers this please type an answer nicely. Thank You!!
  12. biology

    what does the statement mean many discoveries lie in wait for the tools needed to make them? thank you.please i need the answer before i go to school in the morning. please help!
  13. biology

    if hydrogen flouride (HF) is dissolved in pure water will the pH of the solution be lesser or greater than 7? please explain why? thank you so much ! please i need the answer tonight!!!!!
  14. Physics-Please help

    Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help
  15. third grade hw help

    Hello All, Please help my son with his Math fraction. He needs to put the below fractions in ordedr from least to greatest. 1) 2/4, 2/3, 2/7, 2/5 2) 1/2, 6/7, 5/7, 1/10 3) 1/2, 6/7, 1/12, 2/3, 11/12, 1/6, 1/3, 1/4, 4/5 Please help!!! Thanks.
  16. Math(Please help, very confused!)

    A piece of copper contains 3.6 x 10^8 atoms. What is the volume of the sample in units of liters? i have no idea how to start this. Please help thank you!!!
  17. Algebra

    How do I solve these equations? I was out sick a whole week :( please no direct answers. I want to know the process as well. -a=5 4/5x=20 -2/3y=-18 -x/3=18 Please note that the / are fractions. Thank you so much in advance!! :)
  18. Algebra

    Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it
  19. Math

    Please check my answers and if there are any other possibilities then please tell me. List all the factors for 45: I got 1x45, 3x15 and 9x5. are there anymore?
  20. BIOLOGY please help!!

    Negative allosteric effectors in the citric acicd cycle. Theres four: I have NADH and ATP What are the other two please help
  21. Psychology

    Please help me: explain why individualistic and collectivistic cultures differ in their tendency to make the fundamental attribution error in. Please 80 to 100 words, Thank you in advance.
  22. math please help

    Write an equality to describe the situation. A sleeping bag will keep a person warm in temperatures down to -20°F. Please I really need help.
  23. Social Studies

    How did Diocletian try to reverse the decline of Rome? Please help! I don't get it :( Which event usually marks the fall of the Western Roman Empire? Please help!
  24. English help please

    Which of the following personal completes the sentence correctly? One of my brothers just received ____diploma? A. his B. him C. their I think it is A or B. Can't quite decide. Please help.. Thank you
  25. College Algebra

    Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong
  26. ELA

    What differences became matters of life and death during the Holocaust? There are no choices in the question. SOMEONE HELP ME PLEASE. MS. SUE, WRITETEACHER,SOMEBODY HELP ME PLEASE
  27. Math (exam tomorrow)

    For the function f(x)=3cos(2x),what is the first point where it is increasing the fastest? Also please tell me how you know or derived that! Thank you!!! Please answer ASAP
  28. biology

    someone please help me im confused and idk what im doingg how would i create a dna molecule model using straws, pushpins, and paperclips? help me, please.
  29. Science please help

    i am sorry to bother you Ms. Sue but i need to present your proposal of a device that minimizes heat transfer. can you please give a list of insulators
  30. Math = please help =

    H t t p s : // w w w . C o n n e x u s .c o m / content / media / 975134-7312013-31730- PM - 451627306. jpg with out the spaces What is the surface area of the given figure? 10 cm 26 cm 36 cm 28 cm Please help -*-
  31. physics

    I still need help with this please.two knights on horseback start from rest 62 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.17 m/s2, while Sir Alfred's has a magnitude of 0.30 m/s2. Relative to Sir George's starting ...
  32. I really need help!

    Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/
  33. medical billing and coding from Penn Foster

    Writeacher, thank you for checking it out. I thought MLA would be easier for me since ive been out of school 15 yrs now. I can do either APA or MLA. I guess with the websites ,I still don't understand the differences, some of the sentences were from websites and books, I tried...
  34. physics

    please please help my other questions !!!:(
  35. Math 116

    7h+7j-6(7h-4j+5k) 7h+7h-6 Could help me with problem please, please
  36. Math

    Please please....... What is the domain and range of y=3^x-4?????
  37. Math

    Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40
  38. math

    please answer these please??(studyguide) 6. 6 to 8 and 18 to x A.20 B.22 C.24 7.9/36 and x/4 A.1 B.4 C.9 8.42/22 and 21/x A.12 B.11 C.10 9.x/7 and 5/1 A.25 B.30 C.35 10.20/x and 4/8 A.35 B.40 C.48
  39. math

    ratio please : (1 + 3 1/4) : (1 1/4 + 3 1/3) please teach me how to do it
  40. MATH

    Please help, solution set for 7(4z-3)>59 please.?
  41. english

    Hello! I'm a French student,I'm 17, I've learned the beginning of Freedom by Jonathan Franzen. Sometimes, it seems confused as it's my second language. So I need help, please. Can you explain what happened with Patty, Eliza, Carter, Richard and Walter in the chapter 2: best ...
  42. Physical chemistry

    A mixture contains n2o4 and No2 in the ratio 2:1 by volume what is the vapour density of the mixture.Pls answer the question i have been on the question for 2 hrs by now tried solving using mole fraction ideal gas equation an using the formula molar mass /2 but still couldn't ...
  43. CHEM 101 (edited)

    Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and given ΔH values: Ca(s)+CO2(g)+1/2O2(g)→CaCO3(s), ΔH= -812.8 kJ 2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ I have literally tried everything and I don't understand what I am ...
  44. Chemistry

    Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear fusion reactor. I tried ...
  45. Math

    Q. Neil found out that the Sunday paper that he delivers is about 1 pound and 12 ounces. He delivers 39 newspapers on Sunday's. How much do the 39 newspapers weigh? (Hint: 16 ounces = 1 pound) A. I tried adding 16 12 times but that didn't work after I found out it was 182 ...
  46. math

    HELP PLEASE!!!! The question is: Carmella works 37.5 h per week for Century Home selling electronics equipment. She earns a base salary of $12/h and receives a commission of 5 cents for every dollar of sales she make. Her chart goes like: WSales($):Commission($): TotalSalary...
  47. @elena

    You helped me with this question earlier today, the answer you got was incorrect, i tried looking through your calculations but i cant find the mistake. the program wont let me see the right answer just tells the answer i put in was wrong. can you please look over it again ...
  48. physics

    hi- I have a problem I can't seem to get right. here it is. "A retired bank president can easily read the fine print of the financial pages when the news paper is held no close than arm's length, 66.4 cm from the eye. What should be the focal length of an eyeglass lens that ...
  49. Physics

    Please help me with this!! I am really confused about it... 1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air resistance, what was the mans PE (potential energy) right before he stepped off the diving board? *I know that the ...
  50. math help please

    Consider the function g(x)=x/x-7. a) Determine an equation for the vertical asymptote. b) State the domain. c) Determine an equation for the horizontal asymptote. d) State the range. e) Sketch the function. ( i will do it) f) Summarize the increasing and decreasing intervals. ...
  51. astronomy

    The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous spectrum. (Please enter...
  52. math

    i have 5 questions about adding rational numbers and want you to check my answers. tank you for reviewing my questions tutors 1. -3/2 - 7/4 + 1/8 my answer: -.3375 2. Alex borrowed $12.50 from his friend Danilo. He paid him back $8.75. How much does he still owe? my answer: ...
  53. Physics

    A person walks 25.0 degrees north of east for 3.10 km. How far would another person walk due north and due east to arrive at the same location? I don't understand how I could calculate the needed distance accuratly. I used 3.1*sin(25) + 3.1*cos(25). But I still think I'm ...
  54. Health

    Cocaine abuse can have neurological effects such as ________. A. Strokes B. Abdominal pain C. Heart attacks D. All of the above ** I have studied this twice already and I'm still a little confused on the subject because the section it's in doesn't make much since... I know for...
  55. chemistry

    The triprotic acid H3A has ionization constants of Ka1 = 9.9× 10–2, Ka2 = 2.7× 10–8, and Ka3 = 5.9× 10–11. a). Calculate the following values for a 0.0570 M solution of NaH2A H+ ?? [H2A^-/H3A]?? b). Calculate the following values for a 0.0570 M solution of Na2HA. H...
  56. physics someone please helpp

    A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
  57. AP Stats

    If you know that a randomly chosen person 25 years of age or older is a college graduate, what is the probability that he/she is in the force labor? Show your work. Given for college graduates: total pop = 51,582 in labor force = 40,390 employed = 39, 293 I tried using the ...
  58. AP Statistics

    If you know that a randomly chosen person 25 years of age or older is a college graduate, what is the probability that he/she is in the force labor? Show your work. Given for college graduates: total pop = 51,582 in labor force = 40,390 employed = 39, 293 I tried using the ...
  59. MATHS

    HI linear equation help please... I have plotted known numbers into an excel spreadsheet and it shows the formula as: I am struggling to find the answer to x..?? could you go through it step by step trying to find ppm of a concentration of iron in test sample...
  60. physics (cross product vectors)

    Two vectors are lying in the xz plane: A=2.00i + 3.00k and B= -9.00i + 2.00k. a) What is the value of AxB? Check my solution: I found through calculations that the value is 23j. b) What is the magnitude |AxB|? I could do ABsin theta, but I have no angle between. So am confused...
  61. English-Please help!

    I have a question and would appreciate any input or advice We just finished reading The Catcher in the Rye" and I'm stuck on a question for homework; Holden's anger over Stadlater dationg Jane, who symbolically guards her kings in a game of checkers shows his strong desire to...
  62. Math

    Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find the lowest common ...
  63. Calculus please help !

    Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0. For 2x^2 + xy + 2y^2 = 1, find , the angle of rotation about the origin, to the nearest degree. Find the distance between points at (–1, 6) and (5, –2). Identify the conic ...
  64. Math

    Which statement is false? A. Every integer is a real number*** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number Am I right about the a being the right answer? Thanks
  65. Simplifying Rational Expressions

    1. 4x-12/4x 2. d+7/d^2-49 3.t2-25/t^2+t20 4.2x^2+6x+4/4x^212x16 5.6y/y^22y24 Can someone help me with these,please,lol,I'm brain dead Try to factor where you can, then simplify as much as you can. I'll show you the first two problems; maybe you can try the rest on your own. #1...
  66. Pre-calc

    HI, can someone can please help me find the coordinates of the two halfway points of the principal cycles. Here are some answers that might help. -I found the interval: (0,pi/2) -The equation of the left vertical asymptote: x=0, and right asy: x=pi/2 -The coordinate of the ...
  67. Calculus II

    Can someone help me with this problem? Find f if f''(x) = x^-2, x>0, f(1)=0, and f(2)=0. I tried using antiderivatives but I realized I couldn't take the antiderivative of x^-1.
  68. English

    I have a report to do on ways people tried to live forever. can anyone help me find info for this.
  69. calculus

    I need to find the dy/dx of x^2ln(x^2)I tried to do it the way I thought, but it did not come out right.
  70. Math

    x^4-4x^3+3x^2+8x-16 Find the zeroes given one is x^2-x-4. I don't know what to do now. i tried synthetic division. pls help : D
  71. Precalculus

    x^4-4x^3+3x^2+8x-16 Find the zeroes given one is x^2-x-4. I don't know what to do now. i tried synthetic division. pls help : D
  72. Math

    x^4-4x^3+3x^2+8x-16 Find the zeroes given one is x^2-x-4. I don't know what to do now. i tried synthetic division. pls help : D
  73. Pre-Calculus 11

    Two positive numbers x and 1-x add up to 1. Let the sum of their reciprocals be k. Find the only possible value of k such that x is a rational number. Hint: set up the equation and solve x with k in it. You'll encounter the quadratic formula in your solution.
  74. Chemistry

    Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^-2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only didn't understand ...
  75. physics please help me

    A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision ball 1 = -.825 ball 2...
  76. Maths- Trigonometry

    4. A,B and C are points on a horizontal plane. A is 75 m from C on a bearing of 210 degrees and the bearing of B from C is 120 degrees. The bearing of B from A is 075 degrees. From A the angle of elevation of the top T of a vertical towel at C is 42 degrees. Find a. the ...
  77. calculus

    Please help!! Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for each of the following ...
  78. FRENCH

    Could you please check the paragraph below. It was basically an exercise that I did with my partner, and I wrote down what time she wakes up, etc. However, I wanted to start out the sentences in a different way, could you please change some of my sentences. Ashley se lève à ...
  79. maths

    find value of a and b in root 3 _1/root 3+1=a+b root 3 if a and b are rational numbers
  80. Math Please Check

    Please tell me if this are right. Thank you! Find the exact location of all the relative and absolute extrema? h(t) = t^3 - 3t^2 domain: [-1, + infinity) For this one I got x=2 as the minimum, and x=0 as the maximum. g(t) = 3t^4 - 16t^3 + 24t^2 +1 domain: (-infinity, +infinity...
  81. aig math(please answer)

    4 kg of apples and 1 kg of berries cost $5.75 altogether. 2 kg of apples and 1 kg of berries cost a total of $3.25.How much must i pay to buy 5 kg of apples and 5 kg of berries?please show work. my answer is $10.50 am i right if not please tell me why and how?
  82. math

    f(x)= x-1 g(x)= 2x+3 find f(g(x)) please help me !
  83. algebra

    PLEASE HELP ME FIND x/-3 = 3/-2 Thanks!
  84. algebra

    3a+5b=4 4a+3b=2 find a and b please
  85. MATH

    How do I find JK for J(3, 8)and K(-1, 4)? Please help!
  86. Algebra help please

    Let f(x) = x + 2 and g(x) = x2 Find ( g o f)(-5) A. -3 B. 9 C. 49 D. -10 B?
  87. math

    14. Let f(x) = -­2x ­- 7 and g(x) = ­-4x + 3. Find (f o g)(-­5) A)23 B)-53 C)-9 D)3 please help!!
  88. AED 202

    I am having trouble with this assignment. Outline what is considered normal cognitive development at each of the five stages of development:infancy, early childhood, middle childhood, early adolescence and late adolescence. I looked in the reading and am still having an issue...
  89. Algebra

    Magazine sales. Henry sold 120 magazine subscriptions in x days. a) Write a rational expression for the rate at which he sold the subscriptions. b) Suppose that he continues to sell at the same rate for 5 more days. Write a rational expression for the number of magazines sold ...
  90. Algebra

    Magazine sales. Henry sold 120 magazine subscriptions in x days. a) Write a rational expression for the rate at which he sold the subscriptions. b) Suppose that he continues to sell at the same rate for 5 more days. Write a rational expression for the number of magazines sold ...
  91. physics please help

    The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.030 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.055 kg and is initially at rest. The collision is not head-...
  92. history

    During the Carter administration, Zbigniew Brzezinski a. tried to get Cater to roll back the taxes b. rejected the adoption of the MX missiles to replace the older Minute Man missiles. c. tried to reverse the policy of detente. d. was directly involved in continuing the salt ...
  93. running.from.myself

    3. how many lines of symmetry are in a 8-sided snowflake? 10, 12, 8, 16 1. how many lines of symmetry are in a 6-sided snowflake? 10, 11, 12, or 6 if you wanted to make hearts on your snowflake,, which sides of the right triangle would you have to draw half of the heart? a. ...
  94. Physics-Please check if I did this correctly

    I posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom- please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is ...
  95. Math

    How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2-x^4 please help me somebody find the derivative and set it equal to zero
  96. Calculus

    Find a cubic function f(x)=ax^3+cx^2+d that has a local maximum value of 9 at -4 and a local minimum value of 6 at 0. Find a, c, and d. I know that d = 6 but I am worked for hours trying to find a and c. Please help!!
  97. Math

    which statement is false?(1 point) a.every integer is a real number b.the number zero is a rational number c.every irrational number is real number d.every real number is a rational number
  98. Calculus

    In the multiplication shown below, the digits have been replaced by letters: different letters represent different digits, and the same letters represent the same digits. What was the origianl multiplication? ABCDE x 4 ====== EDCBA please help tried it many times can't get it...
  99. Calculus

    In the multiplication shown below, the digits have been replaced by letters: different letters represent different digits, and the same letters represent the same digits. What was the origianl multiplication? ABCDE x 4 ====== EDCBA please help tried it many times can't get it...
  100. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ Image URL: Use the image to answer the question. 3. Under which of the following categories does the artwork fall? (1 point) a) abstract painting b) portrait c) still life d) monoprint My Answer: A Could someone ...
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