1. algebra

    using product rule, power rule, negative rule using scientific notation. 5.4*10^6/2.7*10^4=5.4/2.7*10^6/10^4=2*10^2

    asked by plz help on May 12, 2012
  2. linguistics

    Describe what contrastive analysis is and what transfer is(both positive transfer and negative transfer)?

    asked by Monique on March 26, 2011
  3. linguistics

    Describe what contrastive analysis is and what transfer is(both positive transfer and negative transfer)?

    asked by Monique on March 26, 2011
  4. ethnics help

    The instructor states the following that i have to cover these points on a)characteristics of orientalism b)how orientalism has involved into prejudice and discrimation c)How to promote tolerance and reduce prejudice in our cities. and the syllabus states

    asked by minemine on November 2, 2006
  5. Math

    An airplane, after 1 hour in the air, arrives at a point 350 miles south of its departure point. There was a steady wind of exactly 25 mph from the northwest during the entire flight. Which represents the airplane's average air speed?

    asked by Ana on May 5, 2014
  6. Math

    A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18

    asked by Shakira on January 8, 2014
  7. CALC HARD...

    Suppose that 430 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a side of the rectangle. (In the figure below, the blue outline represents the fencing.) Find the dimensions of the corral with

    asked by HELP on October 29, 2010
  8. math

    A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18

    asked by Shakira on January 8, 2014
  9. math

    A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is in the account after 18

    asked by Shakira on January 8, 2014
  10. Math

    jody gets paid $200.00 per week, plus $100.00 for every oil change she completes. write the equation that shoes the relationship between the number of oil changes and her weekly income. then write the slope of the line that represents the relationship

    asked by Anon on December 10, 2014
  11. math

    The community is having a book sale to raise money for a new computer. The library sells each book for $4.00. complete the table, where b represents the number of books sold. How much money will the library earn if b=44? b 4b 40 160 44 ? 50 200 I don't

    asked by jared on March 15, 2013
  12. Chemistry

    a) To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

    asked by Anonymous on October 17, 2013
  13. Chemistry. PLEASE HELP

    a) To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

    asked by Anonymous on October 17, 2013
  14. Food engineering/biology

    Hey Can anyone help me out with this problem. For part a i understand i plot microbial numbers against time on semi log paper to determine D value for the two temperatures. But i'm unsure how to do part b. Alicyclobacillus acidoterrestris is a quite hat

    asked by Jennifer on May 23, 2010
  15. Algebra

    Hello again! This is a practice test. I know the answer to it; however, I really want to know HOW to solve it for the real test. Question: Which inequality represents all possible solutions of -6n < -12? The Answer is: n > 2 I just want to know how to

    asked by Celia on February 26, 2019
  16. Math

    In the United States workers spend 72% of their gas usage to go to and from work. What fraction represents their non-work travel and gas usage?

    asked by Lillie on November 12, 2008
  17. Mathematics of finance 1

    A company has sales of 160000 which represents a 6.5% increase over the previous year. what were the sales over previous year? please elaborate the method and formula

    asked by TARAN on February 12, 2017
  18. Calculus

    If h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t2+11t+1 find the height of the object at the time when the speed is zero.

    asked by Melissa on September 13, 2010
  19. Algebra/Math

    Kim poured a 24 ounce container of OJ into 5 cups and poured the same amount of OJ into each cup. Which rational number represents the amount of OJ in each cup? A.) 5/24, B.) 5 or C.) 24/5

    asked by Ava on September 29, 2018
  20. Calculus and vectors

    Velocity represents the slope of a displacement function. Suppose an object was moving to the right, then stopped, then continued moving to the right. What would the displacement function look like?

    asked by Court on December 16, 2013
  21. Algebra 2

    Which probability matches the probability histogram? Assume that there are 2 trials. X = 2 where X represents the number of successes. . P(success)=0.3 P(success)=0.4 P(success)=0.6 P(success)=0.7

    asked by Arianna on September 9, 2016
  22. Algebra

    The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents an element of this geometric sequence

    asked by xavier on December 16, 2012
  23. math

    each letter in the following problems represents a different number 0 + 9. letters remain constant witin the problems. can you figue out what number each letter represes? he + me = we

    asked by holly on September 17, 2016
  24. calsulus

    if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t^2+13t+1 find the height of the object at the time when the speed is Zero. h(t)=?

    asked by Jenny on September 14, 2010
  25. Calculus

    If h(t) represents the height of an object above ground level at time t and h(t) is given by h(t) = −16t2 + 96t + 1, find the height of the object at the time when the velocity is zero.

    asked by Melissa on September 22, 2010
  26. math

    Martha read 120 pages in her book, which has a total of 200 pages. Which fraction best represents the portion of the book that she has not read? 

    asked by angelika caylen on April 7, 2014
  27. Health

    Research with animals suggests that compared with adults, adolescents are ________ to the negative effects of alcohol intoxication—such as sedation, hangover, and loss of coordination. A. More sensitive B. Less sensitive C. Not at all sensitive D. None

    asked by Noemi on February 11, 2016
  28. algebra

    Find the largest possible integer n such that there exists a non-constant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions: ~For (possibly negative or zero) integers m and k

    asked by flex on May 13, 2013
  29. Pre-Algebra

    Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is

    asked by Dean on October 27, 2009
  30. Chemistry

    calories given off when 85g of water cools from 48C to 23C. Express your answer using two significant figures. I know the answer is 2100 cal, but I just need to know why the answer is a positive value instead of negative, when it is supposed to be cooling

    asked by Sam on September 8, 2011
  31. MATHS

    Find the largest possible integer n such that there exists a non-constant quadratic polynomial f(x) with integer coefficients satisfying f(1)∣f(2),f(2)∣f(3),…f(n−1)∣f(n). Details and assumptions For (possibly negative or zero) integers m and k

    asked by HELP!! on May 17, 2013
  32. Physics

    It takes 133 J of work to move 3 C of charge from the negative plate to the positive plate of a parallel plate capacitor. What voltage difference exists between the plates? Answer in units of V.

    asked by Davie on February 13, 2015
  33. math

    calculate the range, variance, standard deviation, and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}

    asked by please help on October 11, 2009
  34. office finances

    what can a computerized spreadsheet do that a paper spreadsheet cant b.keep track of financial data c.recalculate itself after changes my answer is c

    asked by susue on December 27, 2013
  35. Math

    calculate the range, variance, standard deviation, and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}

    asked by Dominick on December 12, 2010
  36. Calculus

    The function f is continuous on the interval [3, 13] with selected values of x and f(x) given in the table below. Use the data in the table to approximate f '(3.5) x 3 4 7 10 13 f(x) 2 8 10 12 22

    asked by Jim on April 6, 2018
  37. Algebra

    Solve by using the quadratic formula To get help, you need to give more specific data. Please repost with the specific information. Thanks for asking.

    asked by PLEASE HELP on July 12, 2007
  38. Math

    Is this statement true? The least squares regression line is a unique line for each data set? I would say yes.

    asked by John on September 21, 2013
  39. math

    How do you figure out the slope without drawing the graph? I kinda forgot. I have a chart with data, and I need to know the slope please help thank you

    asked by Jason on October 3, 2007
  40. statistics

    Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

    asked by blueyeshadow on January 7, 2011
  41. nursing

    How do decision theory, probability theory, inference, and generalization relate to data analysis?

    asked by julie on September 23, 2011
  42. STATS

    7. Calculate b0 and b1 and make an equation of regression line for the set of data given in Table 3 Table 3 x y 1 12 2 15 3 16 5 18 6 21 8 23

    asked by Mary on March 30, 2010
  43. Math

    calculate the range, variance, standard deviation, and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}

    asked by Anonymous on November 1, 2009
  44. Chemistry

    What data do you need to determine whether the following reaction is spontaneous or not? 4Fe(s) + O2(g) ----> 2Fe2O2(s) Would it be temperature, delta H and delta S?

    asked by Sharkeisha on August 5, 2015
  45. research

    How do decision theory, probability theory, inference, and generalization relate to data analysis?

    asked by Mary on October 19, 2013
  46. english

    just wonderin-is there any sites on interent where i can find data bout autism 2010. i cant find anything anywhere

    asked by Anonymous on February 28, 2010
  47. statistics

    Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

    asked by karen on August 20, 2010
  48. math

    Summation of indexed data, I added the numbers up and I get -27 find the summation 29x does this mean I multiply the -27 by 29 Thank you

    asked by Mary Ann on July 12, 2015
  49. math grade 3

    need to draw data sets to find the mean. I know how to use this putting the numbers in order from least to greatest, but how do I draw this?

    asked by Joel on September 20, 2007
  50. Statistics

    how can I determine weather to reject or fail to reject the following nul hypothosis: let a= o.01, data: s= 3.1, n=55 and H(0) st dev 2.8 and H(1)< 2.8

    asked by Carl on April 19, 2013
  51. Math

    In a class of 28 sixth graders all but one of the students are 12 years old. Which two data measurements are the same for the students ages?

    asked by Christian on August 31, 2017
  52. Finite Math Help Please!!!

    Finite Math Help Please!!! Can someone help me ? I am confused about this Problem? Median Quartile 1 (Q1) Quartile 3 (Q3) for boxplot 9 10 11 12 13 14 15 16 17 18 19 20 Data

    asked by fred on October 25, 2016
  53. What would the effect size be?

    Based on the data bellow, what would the effect size be? Group one 12 and group two 11. Standard deviation 3.

    asked by Penelope on November 17, 2014
  54. statistics

    Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

    asked by Stefania on October 3, 2010
  55. statistics

    The test scores for 9 students on the Unit 1 test were 35, 25, 50, 95, 80, 60, 45, 100, and 90. What is the value of the second quartile for this data set?

    asked by josh on February 26, 2011
  56. math !

    using the following set of data, calculate the lower quartile, the upper quartile, and the interquartile range.20, 22, 25, 28, 29, 30, 32, 33, 34 ? NEED HELP !

    asked by JacqueesWifee on April 11, 2016
  57. Statistics

    Hi, Are market returns (with numbers such as -3.45, 4, 2.456 representing the "returns") ordinal or nominal data? Thanks!

    asked by Candice on April 18, 2014
  58. Math

    Remove one value from the following data to make each statement true. 32,45,82,99,15,102,75,15,15,75,2,75 a)The mean is 56.09 How do you know the removed value makes it true?

    asked by Sara on June 20, 2014
  59. Statistics

    How is finding the standard deviation a measurement of a data\'s center? my teacher said it measured the center...

    asked by Statistics on August 28, 2009
  60. Statistics

    Is is possible for the regression equation to have none of the actual (observed) data points located on the regression line?

    asked by Julia on December 2, 2012
  61. math

    if a score is change, will the mean be affected? if a score is added in the data set, will the median be changed?

    asked by aristo on November 19, 2018
  62. Statistics

    The least absolute deviation line equation for the data in the table is m = 0.1 x + 2.9 X 1,6,0.5,4,7.5,12,10,11 y 3,2.5,8,1,1.5,9,13,4 What is the sum of the absolute deviations?

    asked by BoB on December 12, 2018
  63. visual basic 6

    1)with the aid of illustrative examples, differentiate between Input statement and Read and Data statement.

    asked by Thanking you... on June 29, 2009
  64. stat

    Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

    asked by jackie on February 6, 2011
  65. History

    Which statement best explains the reason the Americans were never able to capture St. Augustine in Florida. A) A lack of cooperation among commanders led to poor execution.*** B) Poor planning and incompetent leaders led to disastrous outcomes. C) The

    asked by Sam on October 31, 2016
  66. ENGLISH

    Which of these events in the plot of Silas Marner best represents the complication in the novel? a.Silas tells Molly he has learned to trust again. b.Godfrey learns that Molly is dead. c.All of Silas's gold is stolen following fifteen years of self-imposed

    asked by ADAM CORN on January 13, 2011
  67. Statistics

    Records show that 29% of all payments to a mail-order company are submitted aftr the due date. Suppose 50 payments are submitted this week. Let r be a random variable that represents the number of payments that are late. Use the normal approximanition to

    asked by Regina Turner on December 5, 2012
  68. English

    As it is too noisy, I can't hear you. ================== In this sentence, what does 'it' refer to?•English - Ms. Sue, Friday, December 25, 2015 at 5:45pm In this kind of construction, "it" represents an understood concept. Wherever the speaker may be is

    asked by rfvv on December 25, 2015
  69. math

    A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a micro-tunnelling machine. The cable will link points with coordinates A(-18,12), B(-8,1), C(3,4)and D(15,7)in a run beginning at A and ending at D .

    asked by Ted on October 20, 2010
  70. matrix, linear transformations

    Morning, Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following matrix for each of them: g={{4,0},{0,6}} h={{1,2},{0,1}} k={{0,1},{1,0}} So ive been asked to prove the linear transformation

    asked by Anon on February 25, 2017
  71. physics

    Two gerbils run in place with a linear speed of 0.60m/s on an exercise wheel that is shaped like a hoop.Find the angular momentum of the system if each gerbil has a mass of 0.22kg and the exercise wheel has a radius of 8.5 cm and a mass of 5.0 g.

    asked by Anonymous on December 1, 2010
  72. physics

    A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =

    asked by maria on October 24, 2011
  73. math(trig)

    1) What's the linear velocity of a point on the tip of a 6-ft propeller turning at 1200 revolutions per min? 2) A gear is driven by a chain that travels 90m/min. Find the radius of the gear if it makes 50 revolutions per minute.

    asked by confused on December 6, 2010
  74. Intro to linear algebra

    For the matrix: [[1,4,2],[2,5,1],[3,6,0]] (This is 3X3) .. find out whether the columns are linearly independent. Is the 3rd column a linear combination of two other columns? In both cases find the coefficients. Please show step-by-step and explain in

    asked by Anonymous on October 11, 2017
  75. physics

    The drawing shows two transverse waves traveling on two strings. The linear density of each string is 0.0483 kg/m, and the tension is provided by a 15.0-N block that is hanging from the string. Determine the speed of the wave in part (a) and part (b) of

    asked by Anonymous on October 31, 2014
  76. algebra 1

    In 1975, when the United Nations was formed, there were 51 member nations. In 1987, there were 159 member nations. Write an equation that gives the number of nations in the UN, y, in terms of the year, t. Let t=0 correspond to 1945 and assume that

    asked by layla on October 24, 2012
  77. physics

    A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =

    asked by maria on October 25, 2011
  78. physics please helpp

    A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =

    asked by maria on October 24, 2011
  79. math

    you purchase an suv for $26,000. A year later the car is worth only $24,800. If the value of the car continues to depreciate at that rate, a. find the linear equation that determines the value of the car based on the number of years you own it. b. when

    asked by jen on March 7, 2010
  80. physics

    A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m ... a) ... the phase of the wave at x = 2.27 cm and t =

    asked by maria on October 24, 2011
  81. chemistry

    The Rydberg equation (1/lambda=R/ni^2–R/nf^2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? by GC 1/lambda = R/ni^2–R/nf^2 y = mx + b (standard form) of a linear equation) x = (y-b)/m Let,

    asked by bubble on January 15, 2010
  82. Physics2

    "The heat engine uses 1.00x10^-2 mol of a diatomic gas as the working substance. Determine the temperatures at the 3 points." From 1-2, it's an adiabatic process and the constants are (P)(V^(7/5)) or (T)(V^(2/5)). From 2-3, it's an isobaric process with

    asked by Summer on February 21, 2013
  83. physics

    is the height of a ball be thrown directly related to the initial velocity? if i were to graph initial velocity as y and height as x,would it be a linear trend?

    asked by Anthony on January 29, 2017
  84. math

    A fabric manufacturing company has a fabric that is 36 inches wide. If the company needs 75 sq. yards, how many linear feet does the manufacturing team need to produce? NEED HELP!

    asked by Jalyn on November 19, 2014
  85. Physics

    The temperature of a 1 m long aluminum rod is 20° C. If the temperature is increased to 70° C, what is the length of the rod? The coefficient of linear expansion for aluminum is 16 * 10^-6 /(degrees)C Please help I can not get this.

    asked by Anonymous on April 25, 2015
  86. algebra

    The equation -5x-3y=2 is a linear equation in standard form. From this equation, answer the following:a. Find the y and x-intercepts b. Write this equation in slope-intercept form.

    asked by Keonn'a on September 16, 2018
  87. Algebra

    Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly two solutions.

    asked by Joe on January 2, 2017
  88. Supply/Math

    The suppliers will supply 3,300 units if the price is $350.00 and 3,800 units if the price becomes $410.00. Then the linear supply equation is p = ? s + ? .

    asked by Melissa on January 30, 2011
  89. Geometry

    ∠ABC and ∠ABD are a linear pair. Prove that m∠ABC + m∠ABD = 180°. Write a paragraph proof...I don't know how to write this out

    asked by PLEASE HELP ME on September 30, 2017
  90. math

    Find the median, the first quartile, the third quartile, the minimum, the maximum, and the rangeof the data; 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58

    asked by Victoria on May 20, 2008
  91. Math

    I want to know that if we have a set of data and we have to conclude if it is Da Vinci Theorom how do we know if it is or not . what do we need to de in order to conclude thankyou

    asked by anna on November 30, 2007
  92. statistics

    find the sample variance s2 for the following sample data. Round to the nearest hundred x: 23 17 12 35 29

    asked by Anonymous on July 22, 2010
  93. Statistics

    Consider the following data set: 3, 4, 6, 7, 9, 9, 11. Identify a number you could add to the set to keep the mean larger than the median.

    asked by Amethyst on August 31, 2017
  94. biochemistry

    2. Given the following data, calculate the Keq for the denaturation reaction of β-lactoglobin at 25 oC. Δ Ho = -88 kJ/mol, Δ So = 0.3 kJ/mol

    asked by Blake on February 6, 2013
  95. statistics

    when the mean is slightly larger than the median does that mean the data is slightly skewed to the left, the right, or neihter?

    asked by statistics on July 17, 2009
  96. Science

    The pH of a 0.10-M solution of caffeine is 11.16. Determine Kb for caffeine from these data: C8H10N4O2(aq)+H2O(l) ⇌ C8H10N4O2H+(aq)+OH−(aq)

    asked by Anonymous on March 11, 2016
  97. Math

    what number could be included in the data set 9,12,17,15,13, so that the MEDIAN of the numbers in the set result in 14?

    asked by die on August 17, 2018
  98. Calculus

    I am working on a regression model , if my residuals don't exceed 0.6 does that mean this model is OK for my data?,

    asked by Michelle♡♡ on November 26, 2016
  99. Chemistry

    From the following data, calculate ΔH° for the reaction O3(g) +NO(g)----->O2(g)+NO2 (g) Compound ΔH°f (kJ/mol) O3 142.7 NO 90.3 O2 0 NO2 33.2

    asked by Onye on March 4, 2018
  100. algebra

    Describe the measures of central tendency and measures of dispersion for the following data set: A = {8,1,2,9,3,2,8,1,2}

    asked by Sharon on May 6, 2008