.2x^2 + .31x - 0.15 = 0 I don't see an easy factor here, Recommend the quadratic equation.

34,089 results
  1. science help

    Two factors which cause global climate change are listed below. Factor 1: Volcanic eruptions. Factor 2: Changes in the amount of Sun’s heat received by the Earth’s atmosphere and surface. Which of these statements is correct about the two factors which

  2. Greatest Common factors

    I don't know these answers. Can you help me? Greatest common factor in 1.6y^2-9y+18. 2.4x^2y-7xy 3. 30a^3b-40ab^3 4. factor out greatest common factor in 4x^2-12x+20 5. x^4y-6x^3y-6x^2y 4 and 5 are factoring out the greatest common and 1-4 is finding the

  3. chemistry

    What is an aliquot factor? It is a whole divisor. For instance 5 is an aliquot factor of 15, and 15 is an aliquot factor of 150. I'm sorry, but I don't seem to understand it. For example, how do you get the aliquot factor of 50? 2, 5, 10, 25 would be

  4. math

    if 3 and -4 are the roots of the polynomial G(x) =x^4+3x^3+px^2-31x+2k, find the values of k,p, and the other root

  5. Math

    Which algebraic expression is equivalent to the expression below? 10(4x + 3) - 9x a. 31x + 30 b. 31x - 3 c. 40x + 21 d. 49x + 30 I feel the answer is B. but I'm not sure. If someone could type out the equation, that'd be great

  6. Math

    M is the set of integers that are greater than -1 and less than 4 I don't understand?? i know it's easy but i don't understand how to solve it

  7. math urgent pls help

    Solve the system by elimination. 2x - 2y + 7z = 23 2x + y -2z = -5 31x - y - 7z = 0 The solution is ( , , , )

  8. factoring

    Factor x3 + 9x2 + 27x + 27 Factor 8a3 + 60a2b + 150 ab2+ 125b3 I tried doing them, but I just don't get how; perfect squares didn't work and neither did decomposition... someone please help me.

  9. Physics

    Suppose that there is a partial blockage of the aorta, which normally pumps about 5 L of blood per minute. If the diameter of the aorta were reduced by 30%, what increase in blood pressure gradient would be needed to obtain the normal flow rate? (Assume

  10. English

    1. Will you recommend me a book? - I recommend you this book, the Autobiography of Benjamin franklin. 2. I recommend you that you go shopping with your wife. 3. I recommend this smart phone to you. 4. I recommend you that you shoud go shopping with your

  11. calculus

    use rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^3-8x^2-31x-22 **please show work**

  12. Physics

    The factor "number of stars in the survey" should preferably be referred to as a / an A) Astronomical factor B) Biological factor C) Socio-technological factor D) Data Limitation factor

  13. algebra 2..again

    2y^3-10y^2+12y...need to factor again..i got to the second step... 2y(y^2-5y+6)...think that's right but i don't get how to factor that out..help plz..

  14. algebra

    Okay, how do you factor a polynomial when there is a number in front of the highest x term. For example: how would you factor 2x^2-11x+15 i know the answer is (2x-5)(x-3), right? So you put the 2x on one side and then you put an x on the other. And then

  15. Liberal Arts Math

    how would i solve this problem?? it says factor the polynomial completely: 2xy-3y-40x+60 I studied polynomials, but I don't know what it means to factor them. Do you have a definition in your textbook or notes or something? B-cuz then I'll be able to help

  16. math

    What is temperature when you do math. In seventh grade math is hard and I don't understand what my teachers tell me they say that it is easy but i don't think it is i need a lot of help during math it used to be my favorite subject but now its not

  17. Algebra 1

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

  18. chemistry

    For the equation, SO2(g) + 1/2 O2(g)-> SO3(g) Kp=9.5 EQUAL partial pressures of SO2 and O2 are placed in an empty reaction vessel and heated to 600 degrees celsius. Assuming that 62% of the SO2 partial pressure has reacting to give S03, calculate the

  19. Algebra

    I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the

  20. math

    how would you simplify y= (x^5-32)/(x-2)? I know that it would equal (x^5-2^5)/(x-2), but what's the next step? It wouldn't be just (x^4-2^4), would it? kristie, in general I think you can prove (x-a)|(x^n - a^n); read (x-a) divides the expression on the

  21. math

    Trying to factor 2 equations 3x2+9x-30 4x2-4x-48 I assume you mean 3x² + 9x - 30 which on this board most people write as 3x^2 ... =3(x^2 + 3x - 10) =3(x+5)(x-2) do the same thing for your second question, factor out the 4 first, then it's easy Let me

  22. misc;culture

    Finally... I never get a chance to ask my questions since y912f barely ever gets off! Now for my question, I've been wondering. Childrens' authors usually write such easy baby books such as: Paul went to the store. Jill likes candy. Can't anyone out there

  23. algebra

    How do you factor x^2+4 this should be easy, but I'm not quite getting it

  24. Algebra

    I have a few more questions that I either need help with or just need checking. Is the algebraic expression a polynomial? if it is write the polynomial in standard form, 1. 6x-9+8x^2 I got Yes; 8x^2+6x-9 Perform the indicated operations. Write the

  25. Algebra

    Factor m^2-k^2+6k-9 ^2 means squared. I don't know any other way to type it. Thanks. Seems to me you can only do this in 2 pieces...factor the first 2, then the last 2... (m+k)(m-k) + 3(2k+3) Whadya think? hmmm... I looked in the back of the book and it

  26. maths

    how do i solve this equation? there is another answer other than 0, but i am not sure how to get it. 5x^2 + 7x =0 factor the term: x(5x+7)=0 Either term can be zero. You found the x=0, what value of x makes 5x+7 zero? Factor it to this form: x (5x + 7) = 0

  27. Pre-Calculus

    The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If

  28. algebra I

    for my homework I have to graph 4 equations: 1. y=1/4x^2+3x-3 2. y=-x^2+7x-2 3. y

  29. Moms day question

    Hi so this isn't school, but my mom and dad looks at my history, so i cannot Google this question. I am 14, and I need cheap easy mothers day ideas... Thanks, and if y'all don't wanna answer, ya don't have to.

  30. Algebra 2 (Linear Diophantine Equation)

    31x + 8y = 180

  31. religions

    i need to make a model of any famous mosque in the world first, i need help finding pictures of different mosques to see which one would be easy to work with (i need a nice picture, maybe 3D, so i can copy it and build my model according to it) second, i

  32. basic maths

    how to factorize x^3-18x^2+31X-o=0

  33. English

    Can anybody help me to write an essay about"A way to decrease chance of becoming a victim of random violence". Don't walk in parking garages alone late at night. carry around pepper spray. easy as that. Martial arts can be very helpfull in some situations

  34. Math

    I have this worksheet, it has a bunch of different kinds of questions, but i know all the stuff we learned, i just don't know which ones i use. 1) factor each expression, 8x+10 2) Use Foil to factor each expression, x2-5x+6 3) Use foil to factor each

  35. Math

    X^4+9x^3+31x^2+49x+3=0 find all solutions.

  36. Math

    Joshua wants to know if x−5 is a factor of the polynomial P(x)=x^3−5x^2−x+5. Joshua calculates P(5) and applies the Factor Theorem to conclude that x−5 is not a factor of P(x). Is Josh's conclusion that x−5 is not a factor correct? Why or why

  37. math

    Try as I might, I just don't understand the difference between inductive and deductive reasoning. I have tried reading about it and they keep talking about general and specific things but I just don't get it. Is there an easy, lay way to explain it so I

  38. Math

    3x^3-9x^2-31x+5=0 How do I find the zeros, using synthetic division

  39. Linguistcs

    I cannot recommend visiting professors too highly. 1. I cannot recommend girls to visit professors too highly. 2. I cannot recommend mothers to visit professors too highly at night.

  40. chemistry

    please explain the dimensional analysis, and atomic structure? The conversion table for metric to English and English to metric? Dimensional analysis is the procedure for changing from one unit to another. For example, convert 12 inches to centimeters. The

  41. algebra

    .2x^2 + .31x - 0.15 = 0 I don't see an easy factor here, Recommend the quadratic equation.

  42. Chemistry

    I Have Two Questions 1)How would you calculate the number of nanometers in 8.1 cm? 2)What is the equivalent of 0.35 lb in grams? You need to learn to do deimensional analysis. It's easy. 0.35 lb to grams We know there are 453.6 g in a lb. We take the given

  43. algebra

    x^2+3x-12=0 I need to factor this and thought I knew how, but I can't figure this one out. Factors of 12 are 1,12; 2,6; 3,4 and when I subtract these I don't get the 3 I need for the 3x. Am I overlooking something? My other problems were easy, so I don't

  44. Algebra

    Using the ac method factor the trimonials. 15x^2 + 31x+2=

  45. math

    factor p(x)=6x^(5)-11x^(4)-15x^(3)+45x^(2)-31x+6

  46. Algebra

    Using the ac method factor the trimonials. 15x^2 + 31x+2=

  47. Algebra

    Help I'm stuck I need to factor a trinomial expression using the AC method 15x^2 + 31x + 2

  48. Math

    Can someone explain to me in there own words How is using a conversion factor different than using proportions to convert measurement units and which one is easy because i don't understand

  49. Math (pre-celc 12)

    Factor 2x^4-62x^2+60x I get: 2x(x^3-31x+30) 2x(x-30)(x^2-1) 2x(x-30)(x-1)(x+1) But that's wrong. It should be (I think): 2x(x-1)(x-5)(x+6) Please show me where I went wrong.

  50. Algebra

    I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the

  51. Precalculus(URGENT)

    solve the problem 2xcubed-17xsquared+31x+20 given that 5 is a zero of f(x)= 2xcubed-17xsquared+31x+20 you can use lobng division or synthetic division

  52. math2

    5y^8-125 *you have to factor completley easy. Take out the five: 5(y^8-25) Now, isnt y8 the same as y4 )2 ? That is a square, so you have that y4 squared minus another perfect square? That factor as the difference of two squares. After doing that, you may

  53. college algebra

    use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^3-8x^2-31x-22

  54. aiu

    Imagine that you have been hired as an IT consultant and have been asked to write a recommendation for an OS. This start-up company primarily develops games and has approached you to recommend an OS for its 25 employees who use desktop PCs.development.

  55. Algebra 2

    Examine the polynomial p(x)=6x^3+17x^2−24x−35. Use the Factor Theorem to identify which binomial is a factor of p(x). a.3x+5 b.2x+7 c.x−1 d.2x−7 I thought that 2x+7 was a factor of p(x) but I don't know and I am confused now can somebody help

  56. math,help,factoring

    i need help i don't know how to do the next step. factor by grouping x^3-3x^2+4x-12 so what i have so far is this =(x^3-3x^2)+(4x-12) =x(x^2-3x)+4(x-3) from here i don't know... and then this one is driving me insane this next one... Rewrite the middle

  57. computers

    Imagine that you have been hired as an IT consultant and have been asked to write a recommendation for an OS. This start-up company primarily develops games and has approached you to recommend an OS for its 25 employees who use desktop PCs. The primary

  58. mat117/algebra

    factor each polynomial completely. to begin, state which method should be applied to the first step, given the guidelines of this section. Then continue the exercise and factor each polynomial completely. 2p - 6q + pq - 3q^2 Please help, I don't know how

  59. Algebra

    Help me factor this it's so easy I am not getting it figured out! 8x^2-16xy+8y^2

  60. help

    1.Recommend how ambulatory services should be funded. 2.Recommend how continuum of long-term care services should be funded. 3.Recommend how mental and behavioral health services should be funded

  61. Calculus

    State whether the following are true or false. The square roots of 36 are + and - 6. I wrote down false for this cause I thought it was only + 6, but the real answer is true, and I want to know that how can it be negative? Also for this: Convert the

  62. Calculus II

    Does anyone know of a very good website that can teach me to better understand the disk, washer, shell method to finding volume of irregular figures (solid of revolution)using of course, integration techniques (such as when to recognize integration with

  63. Ed Tech

    Which of the following strategies might be useful when organizing items in your study area? Put everything in one big bin so it is easy to clean up It is important to spend a lot of money on fancy organizational containers. Once you organize your desk, you

  64. English

    Hi we had to write a poem for english class, i was wondering if mine was any good? I also was wondering if the last two lines sounded ok i wasn't sure. Fighting is a major part of the world today Which makes others just want to stay away Stressing the

  65. Factoring

    (100)d^2-(57.3)d= 0 solve for d. yes...I just can't figure out what number I'd use to factor this and it got bumped to the next page. I thought it was an easy question but... Thanks

  66. algebra 1

    how do you factor 16x^4 - 40x^2 + 9 I don't understand how the factoring should go. When I think of a way to factor it it doesn't turn out right.

  67. Biology...Respiration

    Can any body recommend any websites that don't actually use diagrams to explain glycolysis?? can't seem to find any

  68. Algebra

    Factor by removing the common factor with the lesser exponent 2x(x-5)^-3 -4x^2(x-5)^-4 I don't really know how to do this. The final answer I got is: 2x(2x^2-10x+1) -------------- (x-5)^4

  69. A Tale of Two Cities

    In Cahpter 3 " A disappointment" What was the evidence that was in Darnay's handwriting? I really recommend that you read that chapter, in fact I recommend reading the whole book.... it is GOOD! Here is a site that will help you.

  70. calculus

    Factor theorem states that "x-a is a factor of f(x) if and only if f(a)=0" 1. What is the sufficient condition of the factor theorem? 2. What is the necessary condition of the factor theorem? My answer was x-a is a factor of f(x) for (1.) and f(a)=0 for

  71. Math


  72. Algebra

    Can someone help me factor: 4u^3+3u^2-9u+2 I don’t understand how to factor 4 terms problems.

  73. English

    Here are other two speech acts I changed into indirect speech. I'm posting you them separately. Advising 1)“I think you should/ought to see a doctor”, she said. 2)“It seems to me that you should see a doctor”, she said. 3)“I (strongly) advise you

  74. algebra 2

    f(x) =x^4 - x^3 -4x^2 +4. find factor and graph. I only factor to this step: (x^3 - 4x-4)(x-1) = f(x) but i don't know how to continue this step to require factor more completely and graph it. Please help. this is algebra 2. Thank you.

  75. Math

    if i have: 31x^5=1.4x10^-85 what would x equal?

  76. Algebra

    3x^4-31x^2+28=0 Solve the equation??

  77. algebra

    Prove by mathematical induction that x^2n - y^2n has a factor of x+y. My answer is incomplete since i do not know what to do next. here it is: i.) for n=1 x^2(1) - y^2(1) = x^2 - y^2 = (x+y)(x-y) ii.) Assume that the proposition is true for all n=k, that

  78. College Physics

    I keep getting answer wrong. I don't know what I did wrong. I really need help please. I need help with 1 question. Can you help with this please if you don't mind? 1) Suppose you are given that z = c y^3/x^2 where c is some number. For a particular value

  79. Math

    Jacob has a headache. He can't stand long lists. "Can you repeat that again?" he asks. "It's easy. Name a number that is greater than 10, less than 20,is a multiple of 7,and FINALLY is a factor of 42," replies Eric.

  80. Calculus

    Find all points on the curve here the slope is 1 y = x^4 - 31x + 11

  81. Math (Algebra)

    The roots of the polynomial f(x)=7x2+31x+c=0 are reciprocals of each other. What is the value of c?

  82. algebra II


  83. Algebra

    X^4-13X^3+31X^2+126 find the roots

  84. math,help

    can someone explain to me also how to do addition with equations. Solve the system by addition 5x-3y=13 4x-3y=11 its easy try properly It's not easy "It's not easy" Then how come I found the answer: x = 2; y = -1, in just five seconds by just looking at

  85. math

    Shelly and her friend wanted to simplify a question 3/9 and 16/22 they didn't know how, but all they had to do is divide 3/9 and 16/22 with the clocest factor they can. The answer for 3/9 is 1/3 and the answer for 16/22 is 8/11 easy.

  86. pre cal

    how many real number solutions are ther to the equation 10x^2+31x=-24

  87. Algebra II

    Use analytical and graphical methods to solve the inequality: x©ø+10x©÷+31x¡-30 (2x)/(x+1)¡(4)/(x-3)

  88. Math

    Factor: 50 (2x-5)^2 -162 (3y-2)^2 I'm not even sure how to do this. I've tried it for so long and I've been trying multiple ways. I don't know how to factor these. May I get a step to step explanation or work please?

  89. math,help

    how can i factor this out completly x^4+x^3-12 i know that4*-3=-12 but how can i get that middle term x^2*x^2=x^4 first you cannot take out any GCF. so if you decide to use grouping, you can create an equivalent problem: x^4 + x^3 - 6 - 6 then by using

  90. Please Check (Math2)

    a^2-9 a^2-3a ----- * ------- a^2 a^2+a-12 *I got: 3-3a/4 I don't think so. factor the a^2-9, and the second numerator to a(a-3) Then the denominator factored is a^2*(a+4)(a-3) So wait... don't I have to first have to take out the repeated thingys.? I don't

  91. Math finance

    I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity

  92. again economics

    okay got one more and in this one I need help, cuz I simply don't understand it!! The question: S^P=I+CA-S^G=I+CA+(G-T) this equation tells us that to reduce a current account deficit , a country must increase its privat savings , reduce domestic



  94. English

    I'd like you to explain to me the use of the subjunctive after certain verbs such as "recommend". Where can I find further examples on line? 1)Hamlet asks Horatio to tell his story recommending that Fortinbras, prince of Norway, be elected King and then he

  95. algebra 2


  96. Math


  97. algebra


  98. organic chem lab

    I have been given the below information and asked to calculate the amount solvent and reactants needed to be used to obtain 1.0 g of the product. Benzyltriphenylphosphonium chloride. In a 100 mL round bottom flask (rbf), 5.2 g triphenylphosphine was

  99. Need your help!!!! Plzzzz (literacy)

    I was ask by my literacy professor to find a sample unit plan that focuses on animals that live in the water/oceans/seas. The unit should include what the animals eat? How they survive underwater? How they move underwater? (amoung other things) She also

  100. chem

    I have two different questions: 1) If you have 1.1x10^-1 g/L and I need my answer to be in g/mL, how do I convert that? 2) I have 31x^5=1.4x10^-85. What does x equal?


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