How do you factor a polynomial? Using the FOIL method works with some simple polynomials. FOIL stands for First, Outside, Inside, Last. For example: x^2-4x+4 factors to (x-2)(x-2) Check your work by multiplying them all. x times x is first,

22,563 results
  1. Chemistry

    If aluminum has a density of 2.7g/cm^3,what is the mass,in grams of the foil? It states that a package of aluminum foil is 54.3 yd long, 14 inches wide, and 0.00035 inches thick.

  2. English

    Select the noun clause to complete the sentence. They would study (choose) during lunch. Choices How the electoral college works And chat about the news The history of aluminum foil For tomorrow's math exam Is it the last one?

  3. Chemistry (urgent)

    The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom has a diameter of 2.9 x10^-8cm , how many atoms thick was Rutherford's foil? Express your answer using one significant figure.

  4. physics

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  5. Math

    f(x+1)=8x^2+x-3 f(-x)=8x^2+x-3 work: #1 8(x+1)(x+1)+x-3 then FOIL 8(x^2+x+x+2)+x-3 8x^2+16x+16+x-3 *8x^2+17x+13 #2 8(-x)^2-x-3 8x-x-3 *7x-3 I know on the first one you FOIL but im still getting it wrong?? The second one i thought was simple but im getting

  6. Chemistry

    A sheet of aluminum foil has a total area of 1.000 ft squared and a mass of 3.636 grams. What is the thickness of the foil in millimeters? (Density of Aluminum is 2.699 grams/cm cubed.)

  7. algebra problem that is causing me headaches

    I have no real method for this problem other than trail and error and foil. I have come up with some amny variations until I am on my second sheet of paper! The closet I have gotten to factoring/solving this problem so far is.... #46.) -3t^3+3t^2-6t

  8. solution

    5y^2-13y+6 If you wish to factor, the factors are: (5y - 3)(y - 2) Checking using FOIL (First, Outer, Inner, Last): 5y^2 - 10y - 3y + 6 Combining like terms: 5y^2 - 13y + 6 I hope this will help.

  9. science

    The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom has a diameter of 2.9 x10^-8cm , how many atoms thick was Rutherford's foil? Express your answer using one significant figure.

  10. English

    1 With his serious face and his dignified way of speaking, he is an excellent (foil momento) for the clownish comedian foil? 2 The war that began with Germany's invasion of Poland in 1939 spread until it had (Pried engulfed) almost the entire world

  11. physics- Electromagnetic waves

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  12. physics- Electromagnetic waves

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  13. 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

  14. Math

    For functions f(x) = 7x − 8 and g(x) = 7x + 8, find ⓐ (f · g)(x) ⓑ (f · g)(−2). I have F(x)*G(x)= (7x-8)(7x+8). I never really understood how this equation works. I can see the FOIL method but I don't quite understand it in this system of

  15. English

    Gurublue and Writeacher tried to explain to me foil but I didn't understand and I unfortunetly still do not. I need to find the characterisitcs that are being brought out in Julius Ceaser [II.I]between Ligarus and Brutus. I don't understand. I know many

  16. math help pls pls pls

    Four polynomials are shown below: A. 2 − 2x5 + 2x2 B. 5x3 + 5 − 5x4 C. 3x + 2x5 D. 6x3 − 1 Which of the above polynomials is a 5th degree binomial? Polynomial A Polynomial B Polynomial C Polynomial D pls help me

  17. Algebra

    (2n+1)(2n-1)(n+5) I'm a little confused on how to do this one. Any help would be greatly appreciated!!! Thanks. see the other post. see the other post. Hi Chelsea: You are given three binomials which are to be multiplied. Were you asked to multiply three

  18. algebra/math

    use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!

  19. College Algebra

    #3 Choose the end behavior of the graph of the polynomial function. f(x) -x(x-3)(5x+2), I think I have to foil to get -5x^3-2x^2+15x+6 So I think this one rises to the left and falls to the right. Please let me know if I did these correctly. Thanks

  20. math

    Santana wants to cover a gift box shaped like a rectangular prism with foil. The foil costs $0.03 per square inch. Santana has a choice between Box A which is 8 inches long, 3 inches wide, and 6 inches high, and Box B which is 10 inches long, 3 inches

  21. Chemistry Stoichiometry

    1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) I am so

  22. polynomials

    lol, i also have these Factor the polynomial x2 + 3x – 18. Which one of the following is a factor? Factor the polynomial 12x2 + 11x – 5 completely. Factor the polynomial 18a2b – 4ab + 10a completely Factor the polynomial 2x2 – 50 completely. Here's

  23. Math

    How do you factor a polynomial? Using the FOIL method works with some simple polynomials. FOIL stands for First, Outside, Inside, Last. For example: x^2-4x+4 factors to (x-2)(x-2) Check your work by multiplying them all. x times x is first, x times -2 is

  24. To Jasmine20 - FOILing

    Try this website to learn about FOILing better: Go to Google and type in "FOIL" Click the first option (it starts with algebra.help........) If you can't find the exact website, just look through Google to find a lesson on FOILing. I think that one should

  25. Algebra

    Is there a shortcut to foiling an equation? I always thought that FOIL WAS a shortcut. I've never heard of "foil" before :) FOIL (First Inner Outer Last) Does this just specify an order in which you are supposed to multiply? I think the order is

  26. Chemistry

    The dimensions of aluminum foil in a box for sale at a supermarket are 66.6 yards by 12 inches. The mass of the foil is .83kg. What is the thickness of the foil (in cm)? (1in = 2.54 cm)

  27. Algebra

    Discuss the relationship between the FOIL method for multiplying polynomials and the distributive property of multiplication.

  28. math

    Discuss the relationship between the FOIL method for multiplying polynomials and the distributive property of multiplication.

  29. 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

  30. Powers!

    1. Should be 8a15 but I think that is just a typo because the * and 8 are on the same key of the keyboard. 2-4 look ok to me. 5. What you have looks ok to me; however, can't these two terms be multiplied to give 200x8y9 ? Yeah sorry about #1 that's what I

  31. Mathematics question

    It was...the subject is FOILs,I thought we needed to put what we were doing in the subject... Subject area needs to be properly stated. This is not FOIL. That is multiplying of two binaries as in (a+b)(c+d) Here you are to factor. take the first:

  32. Algebra

    I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3)

  33. Algebra

    I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3)

  34. algebra

    explain in your own words how to factor a polynomial of the the form ax^2 + bx+c when A is not equal to 1. Describe both the grouping approch as well as reversing FOIL. Contrast the two methods by means of an example. Which is the best approach and why>

  35. algebra 2

    Factor completely with respect to the integers. 1. 9x^2 - 4 2. x^3 + 64 3. 200x^2 - 50 4. 8x^3 - 64 5. x^3 + x^2 + x + 1 6. x^3 - 2x^2 + 4x - 8 7. 2x^3 + 4x^2 + 4x + 8 8. 2x^3 + 3x^2 -32x - 48 9. 7x^3 + 14x^2 + 7x 10. 6x^3 - 18x^2 - 2x +6 11. 3x^4 - 300x^2

  36. Algebra

    A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in millimeters? (Density of Al = 2.699 g/cm3?

  37. English 9th Grade

    HELP!!! Need to write a 2 page paper on Shakespeare using dramatic foil. Please let me know what that means. I will be contrasting 2 characters in Romeo and Juliet. Thank you so much. http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Foil Here is

  38. help...solving a polynomial....algebra

    solve this please....help me....12x(squared)+7x-10 Do you wish to factor this trinomial? If so, the factors are: (4x + 5)(3x - 2) You can use the FOIL method to check. If this is supposed to be an equation: 12x^2 + 7x - 10 = 0 ...then set each factor equal

  39. Math

    I have 4 math problems that need to be solved by using factoring. I am unable to figure the following out. I have used the FOIL method but it seems not to be working out. I appreciate any help I can get. Thanks ^ exponet 3x^3-7x^2+2x x^2-2x+5

  40. Chemistry

    I need to determine the "percentage composition unknown" whatever that is. My current data: a) mass of test tube and foil cover: 7.5323 g b)temp of water bath: 375.65 K c) mass of test tube and foil and gas as sample: 7.5423 g d) barometric pressure:

  41. Chemistry

    The density of aluminum is . A square piece of aluminum foil, 20.02 on a side is found to weigh 2.573 .What is the thickness of the foil, in millimeters?

  42. Chemistry

    A square of aluminum foil measuring 3.20 inches on each side weighs 275 mg. The density of aluminum is 2.70 g/cm3. Find the thickness (in micrometers) of the foil.

  43. Science

    Aluminum foil is lying on the sidewalk in the sun for approx 1 hr. Put an ice cube from a drink and put it on the foil.... Which direction wll the heat energy flow from?

  44. algebra

    use the foil method (7-6y)(7-4y) thanks to who ever can help me

  45. Chemistry

    A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in millimeters? (Density of Al = 2.699 g/cm3? I got 5.108*10^-4 cm but that is wrong. (2.714g)/(2.699g/cm^3)/(2.119ft^2) * 1ft/30.48cm =

  46. algebra

    using foil method x^2 + (x+1)+(x+3)^2 =38 then combine

  47. Intermediate Algebra

    Using the foil method,multiply....(2/5t-1)(3/5+1)

  48. college algebra

    would this be foil method? If so how do I solve. x-1 x-5 = x+3 x+4

  49. Algebra (new one since I put "match" (bad speller)

    I have a few match problems that I can't figure out. 1.solve: 3x+5=x√7 (that's a radical sign) 2.factor: (2k+3)2-(2x+3)(y-2)-20(y-2)2 (the "2" after (2k+3) ans (y-2) is suppose to be a square sign. thanks if you can help, or even if you can't For number

  50. Algebra

    Use the FOIL method to find the product (3x^2-5)(x^5-9)

  51. math

    use the foil method to find the product.(9x^7-3)(x^9-2).

  52. Math

    9(x+2)(x+1)-2(x+2)-4(x+1)=0 I'm in the middle of solving an equation. I know that you have to FOIL but how did they get 9(x^2+3x+2)-(4x+4)=0 ? I thought you distribute the 9 through (x+2)(x+1). and why is it (4x+4) instead of (4x-4) because -4 x 1 = -4

  53. chemistry

    In the chemistry exp molar mass of a volatile liquid what will be the outcome if the hole in the aluminu foil was larger would it make the molar mass high or low. Or what will happen if yhr water vapors condensed under the aluminum foil before the final

  54. Math

    My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can

  55. English

    What is a foil? Ex. Bob is used as a foil to Tina. http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Foil =) I still don't understand :( Think of "foil" as if it's aluminum foil. You can see your image in it if you look at the shiny side, right?

  56. Algebra

    How do you solve this factoring problem by foil method: 25x2=16

  57. Algebra

    Use the foil method to find the product. (4x^6-7)(x^8-4) this is the answer that I got:4x^14-7x^8-16x^6+28

  58. Algebra

    A rectangular sheet of aluminum foil is 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. Find the thickness of the aluminum foil in centimeters.

  59. algebra

    . Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the

  60. chemistry

    I did an experiment today called "removing tarnish". we removed tarnish from a fork wrapped in foil paper. Now i have to answer some questions. please correct me if i answer them wrong. im not the best in chemistry. thanks. 1. describe the odor of the

  61. algebra/math

    use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!

  62. Algebra 2

    How do you use the FOIL method if there is only one set of parenthesis... Because you use distributive property with 2 sets

  63. Math

    Can someone check this problem for me use the foil method to find the product (6z-u)(6z+7u) my answer is 36z^2+36zu-7u^2

  64. algebra

    4xy3(2x-y)(3x+5) the Y is to the third power. Im having a problem multiplying this binomial. I get confused with the X and the Y after the FOIL method is completed

  65. Belinda, Math

    Thank you I did figure it out i think: so the problem was ((w)-(1)/(4))^2 The final answer that i got was w^2-(1)/(2)w+ (1)/(16) Sorry, no again. :) Make sure you really look at how to multiply binomials and FOIL them out. It will come back to haunt you. a

  66. algebra

    The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

  67. Algebra

    The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

  68. Math or Science

    My task is to find the thickness of a piece of tin foil. I cut out a square 100mm by 100mm. I weighed it's mass and got .65g Tin foil has density of 2.7... So then Volume = .65/2.7 g/cm^3 I get .24 g/cm^3 The teacher said to get my answer in millimeters so

  69. Science

    My task is to find the thickness of a piece of tin foil. I cut out a square 100mm by 100mm. I weighed it's mass and got .65g Tin foil has density of 2.7... So then Volume = .65/2.7 g/cm^3 I get .24 g/cm^3 The teacher said to get my answer in millimeters so

  70. algebra financial polynoomials

    Compounded annually, P dollars is invested at annual interest rate r for 2 years. If the interest is compounded annually, then the polynomial P (1+r)^2 represents the value of the investment after 2 years. Rewrite the expression without the parentheses.

  71. ALGEBRA

    Factor each expression completely. show some sort of check to confirm your answer. (hint: think FOIL) x^2+11+30 x^2-5x-14 9x-16

  72. MATH STUCK:-(

    I am having some difficulties factoring polynomials and I use only one method to figure the stuff out, which is the guess and check method because it's just mental math work and not that complicating. Here is a question that I know how to do, and below it

  73. please help

    You know that a cetrain electroscope is charged because the foil extends when there is nothing near to influence it. when a balloon rubbed with fur is brought near (but not near to change the net charge on the electroscope), the gold foil is seen to move

  74. Math-Factoring 2

    Factor Completely 2x^3-40x^2-192x I have a common factor of x so I rewrote the problem as x(x^2-40x+192) then trying to use FOIL rewrote as (x ) (x ) And that is where i'm stuck.

  75. Math C30

    Does anyone know a simple way to solve identity problems? Is there a good wedsite I could learn from? I am having a really hard time with them because of the many steps involved in the way that I have been shown. (FOIL, common denominators, etc.)

  76. English Essay Thesis

    Here's my thesis for an essay on the Scarlet Letter. In Nathaniel Hawthorne’s The Scarlet Letter, Hawthorne creates Pearl as an allegory of Hester Prynne’s anima, a character foil unrestricted by circumstantial limits aggrandized by Hawthorne’s use

  77. Chemistry

    1. Tin and oxygen gas are reacted together to form Tin (IV) oxide, a solid. If a piece of tin foil, 8.25cm x 21.5cm x 0.60mm (density = 7.28g/cm3) is exposed to oxygen and all the tin reacts, what is the mass of the oxidized tin foil? (98.4g) 2. From the

  78. math

    -5(3x - 7) Sorry I meant this one:-4x2(3x2 - x + 1) *Your supposed to do the FOIL Method! -12x4 + 4x3 - 4x2

  79. math

    For every positive integer n, consider all monic polynomials f(x) with integer coefficients, such that for some real number a x(f(x+a)−f(x))=nf(x) Find the largest possible number of such polynomials f(x) for a fixed n

  80. chemistry

    A piece of nickel foil, 0.550 mm thick, 1.25 cm width and 1.00 cm long, is allowed to react with fluorine, F2 to give a nickel fluoride. Density of nickel is 8.908 g/cm3. How many moles of nickel foil were used? If you isolated 1.261 g of nickel fluoride,

  81. Physics

    By what factor would the rate of scattered X-rays within an angle 5 degrees of directly backward increase, if the gold foil were replaced by a uranium foil of the same thickness in the Geiger Marsden experiment? Note: you will need to account for changes

  82. Algebra Please Help

    Can you please give a example so that I can understand it better. 1)How can you tell whether a polynomial is written in factor form. 2)Construct a trinomial whose greatest common factor is 2x^2. 3)Describe the different methods that can be used to find the

  83. Chemistry

    A package of aluminum foil covers 75.0 ft^2 and weighs 12 oz. Aluminum has a density of 2.70 g/mL. What is the thickness of the foil in millimeters? (1 in = 2.54 cm, 1 oz = 28.4 g, 1 mL = 1 cm^3)

  84. Science

    If I add aluminum foil on the lid of a camping cooler, would that reduce sunlight radiating into the contents or would it heat up the contents (since foil is a conductor of heat)?

  85. math

    Volume of Aluminum Foil. One cubic centimeter of aluminum weighs 2.7 grams. If a piece of aluminum foil weighs 5.4 grams, find the volume of the aluminum foil.

  86. Math algebra

    how do you do this by using the FOIL method? 1. 3x^2 + 22x + 7= 2. 2x^2 + 5x - 12= 3. x^2 - 11x + 28= thank you!

  87. math

    Do I use the Foil method to find the product of (9-3i)(9+4i)?

  88. Math

    Multiply the following using the FoIL method. (5x-2/5) (5x+1/5) I got 25x^2-3x+2/25

  89. algebra

    A rectangular sheet of aluminum foil is 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. Find the thickness of the aluminum foil in centimeters.

  90. a

    Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the

  91. science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  92. answer check science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  93. Calculus II

    Fed loves polynomials with rational coefficients and only such polynomials.Suppose f(x)=square root of x. Find a polynomial P(x) that Fred will adore so that, for any x in the interval [3,5], the difference between P(x) and f(x) is less than .01 Hint: The

  94. Chemistry 211

    Which of the following statements is a reasonable explanation for why a percent yield may be less than 100% for the synthesis of the alum, select all that apply. a) The aluminium foil did not completely react b) Some alum sample remained in the beaker and

  95. chemistry

    If your favorite silver jewelry ever tarnishes and you happen to have some aluminum foil on hand, you can actually get rid of some of that tarnish. The tarnish here is actually silver sulfide. If you put the jewelry and aluminum into a dish with enough

  96. Math

    Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the

  97. Algebra

    Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the

  98. Equivalent Algebraic Expressions

    The game shown at the right consists of eight pairs of coloured squares called dominos. Rules: 1. Write a polynomial in each square marked P and a rational function in each square marked R. 2. The expressions you write must satisfy each of these

  99. Algebra 1b help

    Which of the following statements are true? There is more than one correct answer choice. Select all correct answer choices. A)All monomials are polynomials. B)All polynomials have at least one monomial as a term. C)All binomials are polynomials. D)All the

  100. English

    I need help on these four questions. I was sick from class one day and now I am very confused about what is happening in Romeo and Juliet. Here are the questions in need help with: 15. A foil is a character that highlights, through sharp contrast, another

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