1. Algebra

    Why does the inequality sign change when both sides are multiplied or divided a negative number?
  2. Calculus

    Evaluate the definite integral The S thingy has 1 at the bottom and 9 at the top. 4x^2+5 divided by the sqrt of x.
  3. English

    The Excuse Dear Ms. Sachs, Please excuse Nan's absence from school yesterday, April 15. When she woke up in the morning, she had a raised bump on her arm. The bump was red and nearly the size of a quarter. Although Nan claimed the bump did not itch or
  4. Class

    i was wondering if you had anything on child delvelopment? These sites have quite a lot of information on child development. http://www.childdevelopmentinfo.com/ http://www.nlm.nih.gov/medlineplus/childdevelopment.html You asked about "child Delvelopment"
  5. Statistics

    Any ideas please? Simple random sample of voters will be taken in a large state. Researchers will construct an approximate 95% confidence interval for the percent of the state¢s voters who will vote for Candidate A. Find the minimum sample size needed to
  6. physics

    This problem is derived from a video shown in class. A small cart is rolling down an inclined track and accelerating. It fires a ball perpendicular to the inclined track as it moves. The origin of the reference frame is located at the spot from where the
  7. 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.
  8. college-Intermediate Microeconomics

    The Lump Sum Principle In the 1980s Margaret Thatcher was the British Prime Minister. She was very popular and e ective until she pushed for the idea of a so called lump-sum tax. The lump-sum tax is one in which every citizen pays a single xed payment.
  9. Math ASAP PLZ :)

    if you were to create a histogram of the data in the frequency table, which interval would have the shortest bar? a. 8-9 b.10-11 c.16-17*** d.18-19
  10. calculus

    f(x)=e^x-x (a) at what x-values does f have relative extrema? (b) find the exact value of -1 to 1 on an interval f(x)dx. (c) show that f does not have any inflection points.
  11. Social studies please help :) thank u so much!

    what is one of the values revealed through the indian epics A: the equality of men and women B: the importance of duty over personal desires C: the superiority of the nobility D: the knowledge gained through war and conquest How did geography affect where
  12. College Accounting

    A company had stock outstanding as follows during each of its first three years of operations: 2,500 shares of 10 %, $100 par, preferred stock and 50,000 shares of $10 par common stock. The amounts distributed as dividends are presented below. Determine
  13. PHYSICS

    In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. This nonresonant frequency is such that the ratio of the inductive reactance to the capacitive reactance of the circuit is observed to be 5.53. The resonant
  14. Physics

    In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. This nonresonant frequency is such that the ratio of the inductive reactance to the capacitive reactance of the circuit is observed to be 4.91. The resonant
  15. Statistics

    uppose that a category of world class runners are known to run a marathon (26 miles) in an average of 143 minutes with a standard deviation of 12 minutes. Consider 49 of the races. Let X = the average times of the 49 races. (a) Find the median of the
  16. math

    The dissipation of heat through a composite material of width w centimetres can be modelled by the function f(w) = 10/w - 0.77ln(w) – 3.2 You are required to find the width of material that will prevent any heat dissipation. - I understand f(w)= 0, but
  17. 5th grade math (word problems)

    I got these problems wrong in class. but, think i have the right answer now. Can you check? 1. Jim's mother made pizzas for his birthday. SHe sliced the pizzas into 50 slices. She served Jeff and his 7 guests the same number of slices and she ate the rest.
  18. computers

    James was traveling for his job. The internet card provided by his company was not working and he had an important project due that day. James was in a small town about an hour away from the nearest internet kiosk, so he decided to drive around a nearby
  19. Spanish

    We have to translate the following sentences into spanish [we're working on subjunctive -- adverbial clauses.] He will insist until she accepts. My answer: Insistirá hasta que acepte. Is this right? I know insistir often carries along "en", but it doesn't
  20. ashford

    Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed
  21. Calculus

    Consider the function g(x) = sinxcosx. a. Find an equation of the tangent line to the graph of g at (pi/3, sqrt3/4). b. Find the critical number(s) of g on the interval [0, 2pi]. Does the function have a relative minimum, relative maximum, or neither at
  22. geometry

    B is the midpoint of AC, D is the midpoint of CE, and Bd=14. find AE. B is the midpoint of AC, D is the midpoint of CE and BD=7. Find AE.
  23. Math (combination/permutation)

    Question 1: There are 12 students in a class. Find the number of ways that 12 studenets can take 3 different tests if 4 students are to take each test. Question 2 Find the number of ways 12 students can be partitioned into 3 teams A, B, C, so that each
  24. cultural diversity-reposted question

    Which scenario best describes a nuclear family? A) Jeremiah is growing up within a cluster of adults and children who maintain their own living quarters but come together for work and meals. Child-rearing is a shared responsibility B) The Farrish family is
  25. graphing-reposting

    It looks like a double ski ramp...going down, min, then up, then way down to the bottom of the hill, then up slightly, then down. The first minimum is greater than the small rise at the bottom Sketch the graph of a differentiable function y = f(x) with
  26. Physics

    You count 9 cycles across 8.1 time divisions on an oscilloscope screen. The time sweep is set to 60 micro seconds. The voltage peak is measured to be 22 volts. What is the frequency? You plot some data of Real Frequency versus HP Dial Frequency and get a
  27. statistics

    What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why
  28. STATISTIC

    Mrs. Carlson has discovered that the students in her class who watch a larger amount of television do more poorly on her exams compared to those who watch a smaller amount of television. Which of the following conclusions can Mrs. Carlson draw? Explain
  29. Math

    Rick works two jobs to pay for college. He tutors for $20 per hour and also works as a bag boy for $7 per hour. Due to his class and study schedule, Rick is only able to work up to 25 hours per week but must earn at least $200 per week. If t represents the
  30. H.S. econ

    My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the
  31. H.S. Econ

    My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the
  32. H.S. Econ

    My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the
  33. algebra

    Find the midpoint of the line segment joining the points P1 and P2 P1= (5,2) P2= (-4,3) The midpoint is _______ (Type an ordered pair. Use integers or simplified fractions for any numbers in the expression.) qaz
  34. calculus

    Find the midpoint of the line segment joining the point P1 and P2. P1= (2,5) P2= (-5,6) The midpoint is ___ Type the order pair, use intergers and simplified fractions for any number in the expression. I need this help ASAP Please!!!
  35. villi/small intestine

    The role of the villi in the small intestine is analogous to the gastric pits in the stomach. sweat glands in the skin. alveoli in the lungs. cilia in the lungs. which one would you use best? http://en.wikipedia.org/wiki/Alveoli
  36. check answers pls

    1. 3(y+1) for y=2 A.6 B.9** c.7 D.8 2.d+g/h for d=35 , g=19 , and h=6 A.9** B.2.7 C.7.3 D.8 3. the cost in dollars of a field trip is 64+14n , where n is the number of people attending . what is the cost for 48 people? A. $736** B. $126 C. $896 D. $910 4.
  37. Economics

    Production Possibilities Curve (PPC) Worksheet All PPC’s Reflect Increasing Opportunity Costs For Numbers 1-10, think the change affects all markets. On all graphs, place “Consumer Goods” on the X Axis and place “Capital Goods” on the Y. 1)
  38. Geometry

    how do you solve using midpoint equation if you only have one pair of points? like to use midpoint equation you usually get two points (4,3) and (5,2) but ive been given only one point (3,1). how do i solve for midpoint with only one set of points? help
  39. Math

    When they dial 3 and turn the oven on, it is like pushing the old button 3 times. That means if they start with one pizza in the oven, dial 3, and turn the oven on, they will get 27 pizzas. (33 = 27) Then if they dial -3 and turn the oven on it is like
  40. FRENCH

    1. Tu te prépares pour l'école en combien de minutes? Je prépare pour l'ecole en trente minutes. 2. Est-ce que tu te rases chaque jour? How would I say.. No I do not shave ( Obviously not, since I'm a girl) Non, je ne me rase pas ? 3. Qu'est-ce que tu
  41. algebra

    Determine whether the statement is true/ false 1. Traveling 10 miles in 2 hours is same as traveling 4 miles in one hour 2. If two triangles are similar, the length of their sides are the same 3. x/12 = 4/24. Then x=2 Multiple Choice. Choose the best
  42. Advice...about chemistry degree Dr.Bob

    Based on the question topic posted by Britney below titled:In your opinion (your answer to this reminded me of something) (I posted the same thing there but I thought it was improper to piggyback on that post so I posted this under a new topic) I don't
  43. Physics

    A tuning fork has been damaged and its frequency slightly changed. What could its altered frequency be if it produces two beats per second with a tuning fork that is known to vibrate at 422 Hz? Lowest frequency? Highest frequency?
  44. Chemistry

    Dr. Bob222 Please don't get frustrated with me, I'm really trying to figure this out... UGH!! I'm starting over again... Please advise... . Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were
  45. physics

    A bicycle chain is wrapped around a rear sprocket (r = 0.039m) and a front sprocket (r = 0.10m). The chain moves with a speed of 1.4m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chainlink
  46. Math

    An area is bounded by the x-axis and the parabola y = 16 - x^2. Use four rectangles of equal width and the midpoint approximation method to estimate the bounded area. Could you please show me how to work out this problem? Thanks!
  47. english- mood/tone

    My teacher says that mood and tone are not the same thing, but I have trouble establishing a difference between the two. How can I tell them apart? Mood: http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Mood Tone:
  48. Reading Skills

    The answer to this question IS NOT "B". What is the answer to the following question. Inside the bus, in his summer Class-A uniform with its brass glitter and infantry-blue shoulder cordon, Jamie Sabin was going home. Fort Benning would be a fading dream;
  49. COM 155

    HAVE I DONE THIS CORRECTLY? Identify the topic sentence by underlining it. Identify the clincher by highlighting it. I HAVE USED CAPS INSTEAD OF UNDERLINE AND HIGHLIGHT IN MY CLASS, FOUNDATION OF PERSONAL FINANCE, I HAVE LEARNED THAT MANY POTENTIAL
  50. English

    Could you give me some more examples of "bring off"? I included other examples of phrasal verbs. I also need to write the evacuation rules. Could you please help me? 1) I'm letting you off this time, but you must promise you'll never take any money from my
  51. Math

    I know someone has posted this question before but didn't get an answer so sorry for the post. The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents data with the greatest range of
  52. Psychology

    Can someone please tell me whether or not these answers are correct. Thanks! 1. Regarding the memory processes, incoming information is first _______, then stored, and finally the memories must be _______, or taken out of storage to be useful. a.
  53. Physics

    Two small loudspeakers that are 5.50 apart are emitting sound in phase. From both of them, you hear a singer singing C# (frequency 277 ), while the speed of sound in the room is 340 . Assuming that you are rather far from these speakers, if you start out
  54. Logic

    Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed
  55. calc help

    consider the function f(x)= x^2/4 -6 Rn is the Riemann sum where the sample points are chosen to be the right-hand endpoints of each sub-interval. Calculate Rn for f(x)= x^2/4 -6 on the interval [0,4] and write your answer as a function of n without any
  56. Maths

    A positive two digit number is divided by the sum of its digits. What is the smallest and largest the result can be?
  57. Social studies

    How do geographers categorize similar geographic information? What determines how regions are divided?
  58. math

    If 4 7 47 of 35 35 is divided by 2 9 29 of 21 21 , what is the quotient? Write the solution as a mixed number or a fraction in lowest terms.
  59. mATH

    pi x 3.41 x 1,3019234 divided by 12347 x 8 + 12 - 1804351 x 235-135425 squaredx 10 to the fifth power + 1- 12438723562956918723847.
  60. Math

    The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers. Option: a) 22&94 b) 24&96 c) 20&92 d) 30&102
  61. algebra help 2

    (t^3-3t^2+5t-6)divided by (t-2)i made a mistake. i only need to know the quotient did you read your last question's answer? use long division. again. t^2-t+7 Re. 8/(t+2)
  62. Pre Calculus 12

    I also do not get these inverses questions y = 5(x-3)^3 x = 5(y-33)^3 I divided 5 on both sides and got 1/5x = (y-3)^3 Then do I cube root the 1/5x or something to get rid of of the cubed on (y-3)? Also y = x-2/5x-3
  63. math

    The polynomials P (x)=x^3-x^2+4x and Q(x)= x^3+6x+10 leave the same remainder when divided by x-a .find the possible values of a and solve the inequality P (x) is greater than Q (x )
  64. Math

    6x10^-5x700 divided by 4x10^5x1.5x10^7 simplify using scientific notation/
  65. 5th math

    If a spinner is divided into 8 congruent sectors what is the sample space ? there a 2 1's, 2's. 3's and 4's that make up the segments
  66. math, algebra

    Can someone correct these for me Directions: Write each of the following phrases, using symbols. (1)The sum of m and n, divided by the difference of m and n.
  67. math

    7136 divided by 8 I am working in a work book and the answer is 892, but I can't figure how? can someone break it down for me.
  68. algebra 1

    -4/3x-3 what is the answer to this problem write the fraction for it please Are you sure you typed it right? Is it negative 4 divided by 3 times x minus 3?
  69. Advance Math

    Please bear with me. Thank you. Evaluate: Z=(ln(j3) / (2+j))^ 1/j Only j3 is inside of ln function. Then it is divided by 2+j . Then the whole equation is raised to the power of 1/j
  70. Math

    Write 17/4 as a mixed number. Explain your work I'm stuck and could really use some help, this is what I got so far: First I divided 17 by 4, 4 goes into 17 four times and has a remainder of 1. What do I do after this can anyone help??
  71. math

    How do you insert grouping symbols to make this equation true? 9 plus 9 divided by 3 times 5 minus 3 = 12
  72. Math

    What is 179 divided by 8 in 4th grade term? Also I have to do it in long division so I need help with that to!! Thx bye
  73. Math

    The spinner is divided into equal parts 1, 3, 4, 2. IF you spin it twice, what is the probability that you get a prime number. Explain please.
  74. Math - Number Properties

    What is the smallest integer greater than 5 that leaves a remainder of 5 when divided by any of the integers 6,8, and 10?
  75. Math

    A spinner is divided into 8 equal sections. Each section is numbered 1-8. Find each probability for one spin.
  76. Math

    Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1 ) and ( x - 2 ) respectively. If 2R1 + R2 = 6, find a. Please work the complete solution.
  77. physiology

    if the value of ion concentration divided by atomic weight is equal for na+ and ca2+, which will have the higher osmolality?
  78. Basic math

    Is 51 divided by 13 3.9 or 3.92 when rounding for dollars as in giving pay increases. Do you take the highest amount?
  79. Algebra

    what is the perimeter of the figure if the length is 15/6in and bottom is 15/6 in what would it be. I thought you do 15+ 15+15+15 and divided by 4. you get 60/4 and then final answer would be 15
  80. Algebra

    If the community garden is 5/8 acre & divided by 15 equally sized plots, how large is each plot?
  81. Math

    3.3x0.006x10 divided by 12x0.005x200 simplify and express in scientific notation.
  82. 10th grade - chemistry

    what is 670.8/1000000000 and then what is 3.0 * 10 to the 8th power divided by the top answer ...
  83. math

    which greatest number when divided into 179 and 234 leaves a remainder of 3,? hint:subtract 3 from both no.
  84. math

    which greatest number when divided into 1250 and 1000 leaves a remainder of 26 and 28 respectively, can u submit the ans.?
  85. algebra

    In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?
  86. math

    hey so im doing my homework and i don't get it.. LONG DIVISON!!! the problem is 6912 divided by 12. can you help me??? thanks, mikaylah
  87. geometry

    suppose that two opposite verticles of a rhombus are joined by a straight line.what are the figures into which ti is divided.
  88. Math

    hi guys! I was wondering how to do x6-18x2+8 divided by factor x2-4 I normally use synethetic division what else easier method should i use?
  89. algebra

    For what value (s) of P could the expression 100 divided by P squared minus 16 NOT be evaluated? Explain how you arrived at your answer?
  90. math

    using long division what is x^(7)-9x^(6)+19x^(5)+23x^(4)-108x^(3)+82x^2)+64x-120 divided by (x+3)
  91. Math

    Simplify each expression and state any non-permissible values. (4 marks - show your work) (4x-1)/(x^2+7x+12)divided by (2x-1)/(x^2+x-12)
  92. Pre-algebra 7th NEED HELP

    This is a question my teacher gave me and there are no parenthesis or whatever you might think it needs. It's 20 divided by 4 minus 5 plus 12. I think the answer is -12, but I'm not sure. PLEASE HELP!!!
  93. algebra

    what is formula to simplify the following expression to an answer with only positive exponents 4x9y-9 divided by 12x-3
  94. Math

    Using the numbers 2, 5, 10 , 50 solve the following equation to make the number sentence true... ? - ? Divided by ? + ? equals 50
  95. 5th grade

    This region is divided into 2 smaller regions-New England and the Mid atlantic states?
  96. Business

    What are the costs and benefits for management of allowing the union to decide how the economic package should be divided?
  97. algebra

    In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?
  98. 7th grade math

    Write a situation that could be modeled with the expression below. 45 divided by 3 minus 2 times 4
  99. ^Maths^

    What iz d. sum ov all 3digit positive integers exist dat when divided by 7 leave a remainder ov 5
  100. geometry

    what is (6x^2-8x+8) divided (x-3)? i have done this problem about 20 times literally and can not get the right answer. i would also like to know if i'm suppose to use place holders on any number with and X or just X^2?