1. Chemistry DR BOB help!!

    I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the
  2. Algerbra 1

    The Quotient of 6 times a number and 16 ? "Quotient" is what we call the result of a division, the result of multiplication is called a product. You used the word "times" which shows multiplication. BTW, I refuse to tell you what 6 times 16 is.
  3. Sign Language

    Hi, I am having problems with the structures of sentences in sign language. Can you please put each of these sentences in sign language sentence structure? What will the weather be like today? The sun will be out, and it will be windy. I thought it was
  4. Math

    Can someone help me? If a and b are any two real numbers, explain how you calculate the difference a – b. Be sure to include the following in your explanation: a. A description of the relationship between addition and subtraction b. How you can use a
  5. chemistry..anybody!

    I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? Is this a typo?(thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side.
  6. Algebra

    . In this problem, we will analyze the profit found for sales of a certain product. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open
  7. Algebra

    1. In this problem, we will analyze the profit found for sales of a certain product. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open
  8. drbob222, math ,algebra

    can you explain to me the following problem , ms.sue and others are trying to help me but they are making me more confuse. Is there any short cuts to the following problem. Directions:multiply and write the answer in simplest form. 4/12 times 10/4 first,
  9. Pre Calculas

    Complete the identity sin theta / cos theta + cos theta / sin theta = ? Do you mean (sin theta/cos theta) + (cos theta/sin theta) ? That would equal tan x + cot x = tan x + (1/tan x) = (tan^2 x + 1)/ tan x I don't see any way to further simplify it.
  10. Math

    Please Simplify: (root5 a^7/2)^4 a^3/a^8 I am having a hard time figuring where to start on this problem. Can someone please help me?
  11. Algebra

    Please Simplify: (root5 a^7/2)^4 a^3/a^8 So confused, I tried figuring this out but need some help tracing the steps. I would appreciate some feedback! Thanks!
  12. Algebra 2

    What is the determinant of -2 -3 5 0 15 How you get 15 Use the definition of a determinant. From the first column you take take the element that is in the position of a permutation of 1, from the second you take the element that is in the position given by
  13. chem- IP and Ksp

    A solution with a pH=6.00 is 4.0E-3M in each of the metal cations Mn2+, Fe2+, Co2+, Ni2+, and Zn2+ and 0.10M in H2S. Under these conditions, which of the metal cations will be precipitated as a sulfide? Hint: Calculate IP. General Equilibrium MS(s) +
  14. Biotechnology

    I need a couple of ideas. For the project we are supposed to test out an idea for biotechnology product that is innovative. However, it's just 2 pages, meaning that we can't "develop" something and thus it can include a lot of assumptions. Our choices
  15. math

    1. A bag contains 9 tiles numbered 1 to 9. P(4) = 1/9. what type of probability is illustrated and why? (1 point) . experimental; the result is found by repeating an experiment. . experimental; the result is based on the number of possible outcomes.**** .
  16. algebra

    How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:
  17. Physics

    Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is 1/8 of its amplitude. (The answer is an integer.) Approach: Choose a specific trigonometric form for the position function x(t). It
  18. Technology~bobpursley

    25. Briefly explain the difference between product design and system design. 25. There are a few differences between system design and product design. System design deals with the arrangement of components to produce a desired result. For example,
  19. Math

    Can someone please help me with this? I don't know how to simplify this. 7m^7n^4/8m divided by 9m^2n^9/5n^2 Put all your m's together,all your n's togehter and then it will continue getting simplified!hopE THAT HELPS! is this correct? 16m^9n^13/40mn^2
  20. MATH (to Reiny)

    I tried to simplify it with the second fraction by multiplying the top and bottom by "r" and i didn't work. Well at least I don't understand how to get there. Can you please just explain how... n!r/(n-r-1)!(r-1)!r goes to n!r/(n-r+1)!r! I get one put of
  21. Math To: Reiny

    This is one whole question: (12) (10xy^3) (3x^2y^2) (5x) (2y) I don't know how to do any of these: simplify sqaure root of 160000 simplify sqaure root of 0.04 simplify 3 * square root 81 simplify square root of 900 simplify square root of 0.0025 simplify
  22. algebra 1A

    help please! the deepest point of the gulf of mexico lies approximately 12,4000 feet below sea level what is the integer that best expresses the given number. type a negative number with a negative sign, or type a positive number with no sign. is either
  23. math

    describe the situation from the veiwpoint of each person. during a year a person saves 12oo dollars and another person spends 500 dollar. which real number corresponds to saves 1200 dollars. type a negative number with a negative sign, or type a positive
  24. Pre algebra

    How do we set up this problem. The product of a number and 6 is decreased by 8. The result is 13 greater than the product of 4 and the same number increased by 3. What is the number? He set it up like follows: 6N-8=4N+3 6N-4N=8+3 2N=11 N=11/2 but I can't
  25. algebra

    I cant get this one nither I tried like 4 times to get right answer. 5x+12-3x=-2x-13-x x=-5 5x+12-3x=-2x-13-x First, let's get the unknowns on one side of the equation and the knowns on the other side. 5x - 3x + 2x + x = -12 - 13 5 x = -25 x = - 5 ok I
  26. Microeconomics: Cost of Production

    Please help me with this question! QUESTION: Heaven Sub, a subway shop, has the following marginal product curve points for its hourly product: (0.5, 13) (1.5, 17) (2.5, 15) (3.5, 11) (4.5, 9) i) When labour increases from 2 to 3 workers, total product
  27. college algebra

    1. divide and simplify x^2+x-56/x^1-1 / x-7/2x+2 2. find the product in simplest from for x^2+x-6/2x^2-x-3 * x^7-2x^6+4x^5/x^4+8x 3. perform the indicated operations and simplify: 2/3x +4/3x^2 y^4 -6/2x^4 y^5 4. perform the indicated operation and simplify
  28. Chem

    Another confusing significant digit problem. I added 36.6 and 2.4, and divided the result by 4.803. The book says the answer is 7.91, but I don'[t see how that could be, since the lowest number of significant digits in the problem is two (2.4). I think the
  29. Algebra

    Explain why you think a sign on a copy machine reading ".05 (cent sign) a copy" is put up by mistake?
  30. algebra

    1 A + (B + C)= (A + B) + C associative scalar quantity dot product 2 2 2 3 Two systems of linear equations involving the same variables are said to be _______ if they have the same solution set. set associative equivalent parallel 4 Compute the determinant
  31. Math

    What property is shown? 9.5 + 6.1 + 2.3 = 9.5 + 2.3 + 6.1 5.1(7.4 - 3.1) = 5.1(7.4) - 5.1(3.1) Round to the nearest tenth 1.58 (divided by) 1.1 Change each measurement to the given unit 5.17 kL = _ km 2km 7 m = _ km Find each product mentally using the
  32. math

    You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3
  33. math

    You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3
  34. calculus

    consider the initial value problem dy/dx=y^2+1, y(0)=0. estimate y(2) 1) use h=1 to compute your estimate I got x1=1 x2=2 y=1=1 y2=3 2)use h=1/2 to compute your estimate I got x1=1/2 x2=1 x3=1.5 x4=2 y1=1/2 y2=9/8 y3=289/128 y4=5.306671143 3) use h=1/8 to
  35. Communication Studies

    What is the cultural meaning behind an image of a sign of "WALL STREET" ? What would a “semiologist” say about the cultural meaning of an image like this?
  36. math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
  37. Math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
  38. math

    1) Write 2^2 * 3 * 5 as a natural number? I get 60 is it right or should i put 4*3*5= 60 2) Write 420 as the product of its prime factors in exponent form? What do i have to do ? 1) Write 2^2 * 3 * 5 as a natural number? I get 60 is it right or should i
  39. Math

    1,6,3,7,9,4,5,7=17 only plus or minus can be out in between the numbers and they must stay in the order shown EX. 1-6+3-7+9-4+5+7=17 It must equal 17 Here's a hint. Add all the numbers up first, then see what number needs to be subtracted in order to get
  40. math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
  41. Grade 8 Math

    Can you write them in Mathematical/numbers form I'll solve them myself. i don't really get it though i have written the first one in mathematical for but i'm not sure if that's right. 1. When six is subtracted from five times a certain number, the result
  42. Math - Product Dot Vectors

    How would you expand and simplify the following equation? "(3a + 4b) product dot (5a + 6b)" Textbook answer: 15| a |^2 + 38a product dot b + 24| b |^2
  43. stemplot one more question

    No, I don't think you should round the data. The stems should probably be the numbers 13,14,15,...,19 Line them up like this with the leafs to the right S L 13 |9 14 |8,9 15 |2,8 . . . You can finish it. Starting the stems with 1 would accomplish nothing
  44. algebra

    x+9>2 how do I solve and graph this? The graphing part would be hard to explain. The equation, you solve the same as if the greater than sign (>) was an equal sign. (But don't change it to an equal sign) a+b>c To solve for a: a>b-c Matt I'm
  45. Math definition

    I need the meaning of the following I looked in math book and online but it gives me so many things I need the meaning of it to put in my notes. "Of" "Out of" "Multiply fractions"
  46. math

    Express 13/10 - 2/15 as a simplified rational number. I want to make sure I'm doing it correctly. 10 and 15 will go in there 30T and then I said 15 will go in 30 4 T and did I said 10 will go in 30 3T which gave me 35/30 and did I divided it and got
  47. 8th Grade Algebra

    These are extra credit questions, and I just want to know how to solve them. 1) The sum of two-digits of a two digit number is 14. If the number represented by reversing the digits is subtracted from the original number, the result is 18. What us the
  48. math

    Can somebody please help me with this problem? This is the index-„³ 5 6^-5 The radical sign did not show, but the problem is: 5 is the index (outside the radical sign and then 6 is squared to the -5th power (inside the radical sign is under the radical
  49. English

    posted by rfvv today at 3:34am. 1. Will you mind the baby? 2. Will you care for the baby? (Are both the same?) 3. Mind that step. 4. Be careful of that step. 5. Pay attention to that step. (Are they the same?) • 6. Don't mind me. 7. Don't fell distracted
  50. Mico- Econ-- Help

    A change in the quantity demanded of a product is the result of a change in __________. the price of the product the price of related goods consumer income the cost of producing the product I say the 3rd
  51. math

    While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the original number is ten
  52. math

    While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the original number is ten
  53. Physics

    We learned in lecture that the magnetic force on a charge q moving with velocity v in a magnetic field ~B has the form F = q~v × B One important fact about the cross-product is that for two vectors A and B , the following is true A × B = −B × A
  54. math

    1. a number is subtract from 20 the result is 10 what is the number 2.i multiply a number by 10 and where 12 is remove the result is 18 what is the number 7
  55. math word problem

    The sum of a number and its square is 72. What is the number? I took a guess at 8, but I don't know how to put it in an equation form.
  56. Math

    One number is 10 less than a second number. Find a pair of such number that their product is as small as possible. These two numbers are ____ The smallest product is_____
  57. math

    Which word phrase can be modeled by the expression? Choose all that apply. 8 - 3n A- eight decreased by the product 3 and a number B- the difference of 8 and the quotient of 3 and a number C- the difference of eight and the product of 3 and a number D-
  58. English Q#2

    "Though I do hate him as I do hell-pains, Yet, for necessity of present life, I must show out a flag and sign of love, Which is indeed but sign." i don't know what this quote means this is what i think: "even though i hate him but for now i will show my
  59. GEOMETRY

    For this probability experiment a single die is rolled. For Events A, B, and C below, determine which of the following are NOT mutually exclusive. A: the result is an even number B: The result is a multiple of 3 C: The result is less than 2
  60. Linear Programming

    We produce two products: product 1 and product 2 on two machines (machine 1 and machine 2). The number of hours of machine time and labor depends on the machine and the product as shown in Table 64. The cost of producing a unit of each product is shown in
  61. vocab

    I need help on rootwords im stuck on sepect meaning look I have to find 3 words with sepect in it then put the meaning
  62. Alg 1

    Simplifying Radicals A gardener is mowing a 20-yd-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the cxorner diagonally opposite. What is the length of this pass with the mower? Give your answer in
  63. math

    think of a number. Triple it. Add 100. double the result. Add 100. divide the result by 4. subtract one a half time the original number. What is the result?
  64. Math

    What is the quotient of −920 divided by 40? Which integer rule determines the sign of the quotient? A) 23; The quotient of integers with unlike signs is positive. B) −23; The quotient of integers with unlike signs is negative. C) 23; The sign of the
  65. 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
  66. algebra

    Write the sum as a product then simplify the product. (-4)+(-4)+(-4)+(-4)
  67. Math.

    1. Tyler has 45 baseball cards and 54 basketball cards. He organized them into equal rows for a display. He did not want to mix the basketball and baseball cards in a row. What was the greatest number of cards in each row? a. Write each number as the
  68. EnGlIsH

    hi there mm i have to put the meaning of thus sentence it about comparisons and contrast clues... Althought we had expected a multitud to come to the rally, only ten or fifteen people showed up. comparison/contrast Meaning:????
  69. 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<x^2+7x+6 4. y<*-1/3x^2+4x+5/2 [<* means greater than OR equal to. I just don't know how to put the line under it] we are allowed to do them on a calculator. but
  70. math check

    Simplify each rational expression. 3a(a-4)^2 over a^2(a-4) I don't understand how the answer would be 3(a-4) over a because the a-4 would cancel out??? 4-y^2 over y^2-2y once I simplify I get (2-y)(2+y) over (y-2)(y+2) I don't understand how the answer is
  71. Maths

    The first odd number can be expressed as 1 = 1squared - 0squared. The second odd number can be expressed as 3 = 2squared - 1squared. The third odd number can be expressed as 5 = 3squared - 2squeared. a) Express the fourth odd number in this form. (Am I
  72. Help w/Quattro Formula

    Am getting frustrated w/failing to get Quattro Pro formula right. Here's what I'm looking for: Col. A = Base period number Col. B = Given number this current period. Formula I need: If B >= A, what is %? (Example: A=20, B=30, the # I want should read
  73. 4th grade

    what is the meaning to sign out and take?
  74. math *check*

    1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C.
  75. Math

    1.You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes experimental; the result is found by repeating an
  76. Pre Algebra

    1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C.
  77. SIGN LANGUAGE PLEASE HELP WITH SENTENCE STRUCTURE!

    Hi, I am having problems with the structures of sentences in sign language. Can you please put each of these sentences in sign language sentence structure? What will the weather be like today? The sun will be out, and it will be windy. I thought it was
  78. reading

    which clarifies the meaning of this sentence: its true that the companies don't put junkbin young peoples mouths A.young people like eating junk food. B. junk food companies target young people C. companies put junk food in adults mouths D. companies don't
  79. Geometry

    How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2
  80. physics, please reply.

    block 1 of mass 1 slides from rest along a frictionless ramp from height h=2.50m and then collides with stationary block 2, which has mass2=2.00 m1. After the collision, block 2 slides into a region where the coefficient of kinetic friction is 0.500 and
  81. Spanish

    I have two questions about translation. If asked this question, how do I answer it. Cual es tu numero de telefono? I know it is asking my phone number which is 447-7161 but I don't know how to put it in sentence form. The next question is Que te gusta
  82. Language Arts

    Can someone give me some easier questions that can simplify exactly what I am supposed to be answering in this question? The title "Another Evening at the Club" is close in meaning to "Just Another Evening at the Club." Given the events of the story, what
  83. managerial economic

    suppose at a local grocery store the price of butter increase from 1 to 1.50 pet pound. as a result the quantities demanded of margarine increase from 500 to 600 pounds. a. compute the arc cross elasticity of demand? b. interpret the result?
  84. Algebra

    Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5; halve the result; add 6;
  85. Math!!!

    What is the sign of each product? Explain. 32. n • n, where n is any nonzero number 33. y • y • y, where y is any negative number 41. Scientists drill 40,230 ft. Into Earth's crust. Write an integer to represent this depth. Estimate the depth drilled
  86. Decartes Rules

    Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. Please check my answers? 1. f(x)=-7x^9+x^5-x^2+6 This is what I did: There are 2 sign changes f(-x)=-7(-x)^9+(-x)^5-(-x)^2+6 There are 2
  87. English

    During the afternoon, my cats are content to nap on the couch.What is the meaning of these sentence? Content is the meaning of "the amount of a substance that something contains".Is it right?But I don't understand meaning of word "content" in these
  88. math

    plese see if they are correct thx a million 16. the product of a number and twelve A. x^y*12 25. Name the sets of numbers to wich the number belongs 35/5 i don't even understand this one plse hlep
  89. math

    Decrease a number by 5, divide the result by 2, then add 17 and multiply by 5. If the final result is 100, with what number did you start?
  90. math

    If the product of two numbers is even, and the result is an odd number , what is the numbers ?
  91. Algebra

    Pick a number. Double it. Multiply the result by 3. Add 24. Divide by 6. Subtract your original number. Is the result always the same? Write a convincing argument for what happens. HELP!
  92. programming

    write a C function which takes a natural number as argument and calculates the product of sum of its digits. A sum-product number is natural number that equals the product of sum of its digits and the product of digits.
  93. Marketing

    Identify any new entrepreneurial ideas that you thought about as a result of this week's reading relating to product/service promotion or distribution. Whoa! We don't know what you've read nor what ideas you've had.
  94. achimota secondary school

    when a certain number is added to 11 and the result is multiplied by 3, the final result is 45. Find the number.
  95. math

    The result of adding a number to itself is usually unequal to the result of multiplying the number by itself. For how many different numbers are these results equal? A none B. one C. two D. four
  96. Math

    Increase a number by 21, multiply the result by 3, then subtract 9, and divide by 5. If the final result is 30, what number did you start with?
  97. college algebra

    Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ¡Ý 0. describe the meaning of the number -.1 in the formula describe the meaning of the number -300 in the formula
  98. Inter. Algebra

    square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in
  99. English

    1. If you do it at all, do it well. (What is the meaning of 'at all' here?) 2. Do you believe it at all? (What is the meaning of 'at all' here?) 3. I don't know him at all. (What is the meaning of 'at all' here?)
  100. algebra

    I know its true but why? When you multiply a whole number by a whole number the result is a larger number. When you multiply fractions the result is a smaller number.