1. calculus

    We are not going to do that work for you, but will be glad to help you. The unit sphere is the sphere with radius 1 centered in the origin. They give you the coordinates of a vector. Compute the dot product of the vector and the local surface area normal
  2. Algebra

    My problem is compute and simplify the difference quotient f(x+h)-f(x)/h h is not = 0 f(x)=7x-9 answer is 7
  3. Electromagnetic Iduction

    Neon sign require about 12,000 V for their operation. What should be the ratio of the number of loops in the secondary to the number of loops in the primary for a neon-sign transformer that operates off 120 V lines? Nprimary/Nsecondary=
  4. Math Ms. Sue please

    1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13.6 2. Find the product. 5/10 * 10/3 23/6 -5/7 -7/5 5/3 3. Find the quotient. 3/7 ÷ 1/2 3/14 6/7 13/14 4/7 4. Simplify the expression. 3/4 ÷ 2/5 3/10 23/22 15/8 5/9 My answers: 1. 46.24 2. 5/3 3.
  5. Math

    6-y/y^2-2y-24=? *I don't get this one.PLease help me.... Try to factor wherever you can to simplify. (6 - y)/(y^2 - 2y - 24) y^2 - 2y - 24 factors are: (y - 6)(y + 4) Factor out -1 in the numerator: -1(y - 6) Now we can simplify this fraction: -1(y - 6)/(y
  6. Math

    I am kinda stuck on this one Simplify: (x^7 y^4)to the 1/5 power I don't know what to do for this problem. I am lost with what to do with the exponents when you have a number on the outside of the root.
  7. To DrBob222

    The math symbols are very easy to make, although they are not very user-friendly. Basically, we can type the & sign, immediately followed by a # sign and then the unicode number in decimal (as opposed to hexadecimal), and terminated with a ;. For example,
  8. English

    posted by rfvv Saturday, September 2, 2017 at 2:06am. 1. I'll get you Mr. Smith. 2. I'll put you through to Mr. Smith. 3. I'll connect you to Mr. smith. 4. I'll transfer your call to Mr. Smith. (Are they grammatical and similar in meaning?) • English -
  9. 8th grade homework

    Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result
  10. Math

    I need help with these three problems. I cant figure them out. 3. The difference of two numbers is tripled. The result is decreased by 1. If the lesser of the two numbers is 4 the result is 8.3. Find the greater number. 4. A number increased by 21 is
  11. Math

    One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible. These two numbers are_ and _. (Use a comma to separate your numbers.) The smallest possible product is_. The number are NOT 5,15 or
  12. Math ms sue help

    please help me with these defintions of math terms please: a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a
  13. statistics

    Suppose that you are given a decision situation with three possible state of nature: s1, s2, and s3. The prior probabilities are P(s1) =.1, P(s2) = .6, and P(s3) = .3. With sample information I, P(I|s1) =.15, P(I|s2) = .2, and P(I|s3) = .1. Compute
  14. math (check answer plz)

    2. A jar contains blue, red, yellow, and green marbles. P(blue)=1/4. 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.
  15. algebra

    Im begging! please someone teach me how to answer this! when 3 times a number is added to the square of a number the result is ten find the number. I don't know where to start but please teach me or tell me the process to answer this,even just a process. I
  16. Algebra

    A certain nation is losing 26 million acres of rain forest each year. (a) Find the linear function f that calculates the change in acres of rain forest in millions in x years. Use x as a variable (b) find f(3) and interperate the result. f(t)= Simplify
  17. Functions

    f(x) = 1/(1−x) is given. From this we produce two new functions: g(x) = f(f(x)) and h(x) = f(g(x)). (a) For which values of x is f(x) undefined? (b) Find a formula for g(x), and simplify it. (c) For which values of x is g(x) undefined?
  18. math, functions

    f(x) = 1/(1−x) is given. From this we produce two new functions: g(x) = f(f(x)) and h(x) = f(g(x)). (a) For which values of x is f(x) undefined? (b) Find a formula for g(x), and simplify it. (c) For which values of x is g(x) undefined?
  19. Math

    Using the TI-89 Titanium calculator: Find the largest and smallest values of each of the following functions on their given intervals. (I'll show you one) f(x) = 2^x + x^2 [-4, 1] I put in the function on the Y= screen as shown, then -4 < x < 1 (it's
  20. English

    I'm worried about my looks. 1. Why don't you put on cosmetics on your face? 2.Why don't you eat sereals and brown rice? 3. Why don't you do a plastic surgery? 4. Why don't you make double eyelids? 5. Why don't you have a double eyelid surgery? 6. Why don't
  21. chem

    What is the pH of a 0.36 M HCl solution? can someone help plz? I don't know how to go about figuring this out.
  22. 5th grade math (dividing fractions)

    Hi.. I need help figuring out this problem, sovling for x: 3 divided by x/9 = 5 and 2/5 I was able to solve: x divided by 3/4 = 6 by multiplying 6 x 3/4 = 4 1/2. Just not sure how to solve the first problem. If I change 5 2/5 into mixed number,I still
  23. Managerial Economics

    Q=-5200 - 42P+20Px+5.21+0.20A+0.25M (2.002) (17.5) (6.2) (0.09) (0.21) R2 = 0.55 n=26 F=4.88 P = Price of Product = 500 Px = Price of leading competitor product=600 I = Price per capita = 5,500 A = monthly ependitures = 5000 a = Compute elasticities for
  24. Ethics

    Which of the following answers to the meaning of life did Tolstoy hold prior to his change of heart and mind? my answer is A a. Life has no meaning, and we must embrace that fact. b. Life's meaning is to provide comfort for oneself and one's family. c.
  25. Ethics

    Which of the following answers to the meaning of life did Tolstoy hold prior to his change of heart and mind? my answer is A a. Life has no meaning, and we must embrace that fact. b. Life's meaning is to provide comfort for oneself and one's family. c.
  26. math - functions

    I compute (109/3)^1/4 and store that value in A. Store 3 in P. Now compute f(7)= Pa^7 by typing: P x A x^y 7 ***My problem is that I don't know WHERE the x^y key is on a TI -83 Plus. Please help. Then I have to subtract this answer from the answer using a
  27. Physics

    A person is driving on a level road and see's a sign 180m ahead in the middle of the road. The person strikes the sign at a speed of 60km/h. If the person was travelling at 90km/h when the sign was first spotted what was the students perception-reaction
  28. Math Definitions

    a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical
  29. Math definitions

    a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical
  30. Decartes Rule

    Can you please check my work? Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 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
  31. Math

    2. A jar contains blue, red, yellow, and green marbles. P(blue)=1/4. 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.
  32. Math

    You draw five cards from a standard deck of 52 cards. P(heart) = 4/5 (fraction). What type of probability is illustrated and why? Theoretical; the result is based on the number of possible outcomes** Theoretical; the result is found by repeating an
  33. Math

    You draw five cards from a standard deck of 52 cards. P(heart) = 4/5 (fraction). What type of probability is illustrated and why? Theoretical; the result is based on the number of possible outcomes** Theoretical; the result is found by repeating an
  34. Calculus 2

    Determine whether the series is convergent, absolutely convergent, conditionally convergent, or divergent. On top of the summation sign (∑) is infinity. Under the summation sign is n=2, and right next to it (to the right of ∑ sign) is (n root
  35. algebra

    Post part 2.... sq root sign = < need to know how to simplify? 40. 2<-24*(-<-54) 42. i<-98 - <98
  36. PreCalc

    = x + 3. Find and simplify : f(a+h)−f(a) /h the x +3 is under a radical sign as well!
  37. Math ~CHECK MY WORK~

    With stars are my answers. Please check them if they are wrong please tell me the right ones. Number 1 (the bottom one) I don't get it so please help me with that one please! 1) You have $60 in your wallet and want to buy some new CDs. If the CDs are $11
  38. English

    Hello. Please help me with the phrases: 1) is it possible to use "proclaim" in the context: "the president proclaimed that he was ready to sign an agreement"? 2) is it possible to use "put into practice" with sanctions (the UN put sanctions into practice
  39. English

    1. Don't touch. 2. Don't take pictures 3. Don't bring pets. 4. Don't bring/use _______________. 5. Don't use cellphones. --------------------- There are five kinds of signs. They are stop signs. There is a line from the top left to the bottom right. Are
  40. I am lost

    Simplify this expression x ^2 - 64 / x + 8 _______ ______ x ^2 -25 / x - 5 Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with
  41. Math

    I am thinking of a three-digit number. If you subtract 5 from it, the result is divisible by 5. If you subtract 6 from it, the result is divisible by 6 and if you subtract 7 from it, the result is divisible by 7. What is the smallest number that will
  42. Decartes Rule of Signs-Check Problems

    Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. 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 sign changes So, are
  43. enlish

    why do authors use rhetorical devices in essays? a. to simplify the meaning of the main idea b. to increase the credibility of the essay c. to evoke a personal response from readers d. to show their skill as diverse writers e. to compare two or more essays
  44. pre algebra

    simplify: I don't understand on how to answer this and simplify it. (dt4)(3d-6) Can someone please write out the steps on how to solve it.
  45. pre algebra

    simplify: -5w(2w^2-w-9) I don't know how to simplify this and combine like terms
  46. Algebra 1

    1. (3.0 X 10^2) x (2.0 X 10^6) I said 6 X 10^8 2. what is the area of a square with the dimension of 1+ ã 2? I don't know this one 3. Simplify: 2ã 4 + 2ã 8. I said 10 4. Simplify: 2ã 4 + ã 4 I said 6 5. 5ã 4 x ã 8 ---------------- ã
  47. poetry

    I need help on figuring out the type of poem and developing a theme and meaning the themes/meaning is confusing me on some of them “No, Thank You, John” I never said I loved you, John: Why will you tease me day by day, And wax a weariness to think upon
  48. physics 121 hanging sign

    A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. A guy wire at 23° to the horizontal holds the sign to the wall. Note that the distance from the left edge
  49. algebra

    Please double check my answers? If they're wrong can you explain how to do it right? My math book doesn't have examples for all of these scenarios and I really don't want to fail this assignment. I don't normally look for help online, but I'm kinda
  50. VOCABULARY

    WHICH LATIN SUFFIX HAS THE MEANING RESULT OF?
  51. L'Hopital's rule

    Find lim x->1+ of [(1/(x-1))-(1/lnx)]. Here is my work... =(lnx-(x-1)) / ((x-1)(lnx)) =(lnx-1) / (lnx+ (x+1)/x) This becomes(1/x) / ((1/x)+(1/x^2)) which becomes 1/ (1/x^2) This equals 1/2. I understand the answer has to be -1/2, but I am having trouble
  52. COMBINATION!!MATH!!!hurryyy!!!

    Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a
  53. math

    Here's my question: Determine if each system has one, two, or no solutions. (Show your work - 3 marks each) a)y=2x^2-2x+1 and y=3x-5 b)y=x^2+3x-16 and y=-x^2-8x-18 Here's my work on the question: a) x=(-b plus/minus sign (square root b^2-4ac)/(2a) x=(--2
  54. computer programs

    How do I start a program containing a single dimensional arrays and function(s) with the output displaying the formula “Y = aX + b” by replacing a and b with the calculated values. Aptitude score Productivity Applicant variable X Variable Y 1 X1 = 9 Y1
  55. College Algebra

    Annual profit in thousands of dollars is given by the function, P(x) = -.1x^2 + 50x - 300, where x is the number of items sold , x >= 0. 1.describe the meaning of the number -.1 in the formula. 2.describe the meaning of the number -300 in the formula.
  56. Algebra 2

    Ok so I'm suppose to do this Square root of 6 ___________________ Square root of 2 I know when you divide a radical over radical and they have the same what ever it's called (the same number outside of the radical that determines if it's cube root squared
  57. Math

    Given f(x) = –x3 + x2 – x – 5, find f(–3), f(0), and f(1) Hmmmm. Put in the value of x, and compute. Here is f(0) as an example: f(0)=-0^3 + 0^2 -0 -5 = -5
  58. chemistry

    I don't think there is any benzene in Elmer's glue. In fact, I suspect finding something with benzene in it will be tough to do unless you have some OLD OLD bottles of something. Its a carcinogenic thing. If you are looking for something aromatic (meaning
  59. Cost Accounting Please explain how to do the probl

    Can someone please explain how to do the following? Baxter Company manufactures two products, Product F and Product G4. The company expects to produce and sell 2,600 units of Product F and 6,000 units of Product G during the current year. The company uses
  60. algebra

    Annual profit in thousands of dollars is given by the function, P(x) = 12x - 100, where x is the number of items sold in thousands, x ≥ 10. 1.describe the meaning of the number 12 in the formula, in terms of its meaning in relation to the profit.
  61. Math

    The sum of three times a first number and twice a scond number is 43. If the second number is subtracted from twice the first number, the result is -4. Find the number. Mainly I can't figure out is this is two problems in one or just one.
  62. Ratios and proportions

    RATIOS AND PROPORTIONS x 3 - = - 4 2 The boards don't post spacing as we would wish. I suppose the problem is x/4 = 3/2. Multiply left and right sides by 4. That will "cancel" the 4 in the denominator of the left side. Now multiply both sides by 2. That
  63. math

    NetBusters has a $30 sign-up fee plus $1.25 per video BlockFlix has a $10 sign-up fee plus $2.25 per video How do I set up a function rule equation I assume that you want to find out how many videos you have to buy before they become equal. Consider this:
  64. Math 1 please help

    A clothing store has the sign shown in the shop window. Pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. The cost of each shirt before the discount is $12 and the cost of each pair of jeans is $19 before the discount. Question 1. Pani
  65. Microeconomics

    Use the following chart to answer question 2 Number of Workers Total Product Marginal Product 0 0 -- 1 10 10 2 10 3 28 4 34 5 5 6 42 2. Refer to the above data. The marginal product of the third worker: A) is 6. B) is 7. C) is 8. D) is 9.
  66. Algebra II

    One number is two less than a second number. If you take one-half of the first number and increase in by the second number, the result is at least 41. Find the least possible value for the second number. HELP PLEASE!!!! I hate word problems!!!
  67. Math

    'Write down the equation of the line passing through 2,1 and perpendicular to 2x-4y-1=0 I tried figuring out what to do but I don't know how to.
  68. Dr.Bob

    I was wondering if I'm synthesizing a product in the end. I shouldn't put the end product of each reaction on the front page as well right?
  69. Please math help

    A: I am choosing an integer. I then subtract 10 from the integer, take the opposite of the result, add -3, and find the opposite of the new result. My result is -3. What is the original number? B: Judy wants to do the activity in part (a) with her
  70. algebra

    1.-2X-2 +7(x+1)=2x 2. 9x-1=-5+8x 3.7x-3= 4. when 4 times a number is subtracted from 7 times the number, the result is 30. What is the number? 5. when 4 times a number is added to 7 times the number, the result is 33. What is the number? 6. When 20% of a
  71. math

    We are learning inequalities and I just did some homework but the teacher returned it saying I did some of them wrong. 1. -2x - 10 < 2 2. -2x + 15 < 17 I didn't flip the inequality sign when I divided by (-2). But why do we always have to flip the
  72. exponents

    i know this is simple but what is the answer to the -3 squared? -3 squared is 9. Check this site for more information. http://www.gomath.com/algebra/negative.php Well then I do not know how to use my calculator. Every time I put in -3 to the second power
  73. Math

    Hands on : Multiplication patterns with 10,100,and 1,000 1/ Rebecca has 4 boxes of 20 cookies . She wants to know the total number of cookies . Which basic fact must she know to compute the total? What is the total? Answer: 4*20= 80 2/ Jermy is at a
  74. algebra

    a five digit number that follows the pattern:if you put a 1 after it the number is three times as large as it would be if u had put a 1 before it
  75. Probability

    Richard is playing a game where he draws one playing card each out of two stacks of four cards. Is Richard more likely to draw two cards with a product that is an even number or two cards with a product that is a single digit? A. Richard is equally likely
  76. Algebra

    Jessie and Laura are trying to compute the area of a triangle with base 5cm and height, h. Jessie multiplies 1/2 by the product of 5 and h, while Laura multiplies 5 by h and then takes half the result. a)Let J(h) be the function defined by Jessie's
  77. LA Writing

    Can somebody score my 200word essay? Its not exactly 200 words. What it means to be successful Being successful has a different meaning to everyone. One would think that this is a very important thing in life. People strive for success, but not everyone
  78. precalc

    f(x)= x + 3. Find and simplify : f(a+h)−f(a) h the x +3 is under a radical sign as well! so its the square root of x +3
  79. Math

    A bag contains 9 tiles numbered 1 to 9. P(4) one-ninth = experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment.
  80. math

    You toss a coin 15 times. P(heads) 2/5 = a. experimental; the result is found by repeating an experiment. b. experimental; the result is based on the number of possible outcomes. c. theoretical; the result is found by repeating an experiment. d.
  81. Business Math

    Suppose that in a monopoly market the total cost per week of producing a high tech product is given by C(x) =3600+100x+2x^2. Suppose further that the weekly demand function for this product is p=500-2x. Find the number of units that will give the break
  82. algebra

    A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the triangular sign?
  83. English

    I left out the following sentences.Thank you very much! 1) The description of the monster reinforces the doctor's disgust and repulsion against (??) him (I think "for"?), who is he result of a crime against nature and life and is represented as a demoniac
  84. Math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x
  85. math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x
  86. math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x
  87. Trig

    Two observers 1 km apart spot an airplane. The angles of elevation of the airplane from the two observers are 22 degrees 50 minutes and 24 degrees 40 minutes. If the observers and the airplane are in the some vertical plnae, compute the altitude of the
  88. calculus

    P2 has a mysterious inner product * for which {x+4, 3x-5} is an orthonormal basis. IS there enough information to tell what is the length of 1? If so, compute it. If not say why not.
  89. calculus

    P2 has a mysterious inner product * for which {x+4, 3x-5} is an orthonormal basis. IS there enough information to tell what is the length of 1? If so, compute it. If not say why not.
  90. 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
  91. Math

    Graph the solution: 3x-y-7<0 x+5y+3>=0 This is my thought process in this: The first equation I can solve for y since we don't have to worry what x is. And I get y>3x-7. The second one, however, y is being multiplied by 5, so I can't just divide
  92. math

    Aliquot divisors are all the divisors of a number except the number itself. The product of the Aliquot divisors of a number is somtimes equal to the square of the number. The Aliquot divisors of of 12 are 1 ,2 ,3 ,4 ,6. Their product,1x2x3x4x6=144=12*2 is
  93. Calc- Derivatives

    So, I have a bunch of derivative problems for homework and the only resource I have is the textbook, since we don't have notes. I have just started and want to make sure I'm doing them correctly. Our teacher said we do not have to simplify them either, so
  94. ms.sue math

    Which sum will be irrational? a. 3 + 2 b. √19 + 7/2 ****** c. 18/3 + 11/10000 d. –6 + (–3.251) Which product will be rational? A.17.12 * 33 ***** B. √ of 3 * √ of 9 C.4*pie D.- √ of 20 * 15 A whole number is added to a number
  95. Marketing

    Which stage of the typical consumer product life cycle is out of place? A. Product development. B. Introduction. C. Maturity. D. Growth. E. A and B I am torn between A and C. Product development is part of the product life cycle but when I look it up on
  96. pre algerbra

    if 150 is subtracted from 7 times a number ,the result is the same as when 250 is subtracted from 3 times the number. what would be the result if 100 were added to to 6 times the number
  97. pre-algebra

    Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the
  98. pre alegra

    A product that cost 2,000 increase by 5% in June. The new June price of the product increased by 5% on December 1st. How many dollars did the product increase by Dec 1. I don't have a clue! Can you please help
  99. statistics

    3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i - ?) 2 / n, where i = 1, n ? (x i 2 - (? x i) 2) / n, where i = 1, n
  100. phi 103

    Sometimes people get caught in a “downward spiral,” a case in which something leads to a result which in turn leads to more of the original thing, bringing on more of the result. As the process continues, the result continually gets worse and worse. An