Bobbie

Most popular questions and responses by Bobbie
  1. Stat

    A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria.

    asked on March 13, 2015
  2. Stats - Please help me

    A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. I came up with:.0668 for

    asked on March 13, 2015
  3. Steve - Stat

    A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. The growth rate you

    asked on March 13, 2015
  4. Probability Help

    In ''The Numbers Game,'' a state lottery, four numbers are drawn with replacement from an urn containing the digits 0-9, inclusive. Find the probability of a ticket holder having the indicated winning ticket. ​ All four digits in any order(including the

    asked on December 6, 2016
  5. physics

    A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?

    asked on November 1, 2011
  6. Probability Help

    Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy. 1, 4/5, 13/16, 1/32, 31/32 Can someone please explain? Thank you ​

    asked on November 19, 2016
  7. Probability

    At an ice cream ship, customers can order a sundae with 1 type of ice cream, 1 type of sauce, and 1 type topping. The types of ice cream are: chocolate; strawberry; vanilla The types of sauce are: caramel, strawberry, chocolate, butterscotch The types of

    asked on April 19, 2011
  8. Chemistry

    How many molecules are present in 1.5 moles of NaCl?

    asked on November 29, 2018
  9. us history

    The Kansas-Nebraska Act: ensured that the number of free and slave states would remain equal repealed the Missouri Compromise and authorized the residents of both territories to determine the status of slavery temporarily suspended the Missouri Compromise

    asked on September 28, 2010
  10. Math

    use the rule to write the first twelve numbers in the pattern. describe another pattern in the numbers. Rule: Add 3, subtract 2 First term: 7

    asked on February 10, 2016
  11. Stats

    Consider the following Hypotheses test: Ho:m>=80 Ha:m

    asked on April 29, 2012
  12. Physics

    What is the gravitational field strength at a place 220km above Earth's surface, the altitude of many piloted space flights?

    asked on October 14, 2008
  13. Probability

    How many combinations are there of six distinct objects taken three at a time?

    asked on December 10, 2016
  14. Probability

    A customer at Cavallaro's Fruit Stand picks a sample of 4 oranges at random from a crate containing 50 oranges, of which 4 are rotten. What is the probability that the sample contains 1 or more rotten oranges?

    asked on December 6, 2016
  15. College Math

    There were 42 different presidents of the United States from 1789 through 2000. What is the probability that at least two of them had the same birthday?

    asked on December 5, 2016
  16. Math

    Colin: “When I add 6 times my age 6 years from now to 7 times my age 7 years from now, I get 14 times my current age. How old will I be 5 years from now?

    asked on March 26, 2018
  17. Can someone Help w/Math

    Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, 16 states had an increase in the dropout rate during the past 2 years. 18 states had a dropout rate of at

    asked on November 9, 2016
  18. Physics...not sure what formula to use

    A 2.0kg bag is held by a string to the ceiling. A 10g bullet travelling at 200m/s strikes the stationary bag. The height of the bag after the collision is 10cm, assuming there is no friction, determine the speed, in m/s, of the bag after the collision.

    asked on October 25, 2008
  19. Physics

    a 500g piece of silver at 150 degrees celsuis is submerged in 1000g of water at 5 degrees celsuis to be cooled. determine the final temperature of the silver and water given. Cwater=4.18 x 10^3 J/kg.C Csilver = 2.4 x 10^2 J/kg.C

    asked on October 26, 2008
  20. College Math

    Four balls are selected at random without replacement from an urn containing four white balls and five blue balls. Find the probability of the given event. ​ All of the balls are blue.

    asked on December 6, 2016
  21. 8th history

    A direct result of the three-fifths compromise was: the political power of the South was greatly increased since they were apportioned more representatives. *northerners paid more taxes than southerners. three-fifths of the population in the South was

    asked on September 28, 2010
  22. Math Help

    Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.

    asked on November 19, 2016
  23. Math

    in a class of 30 students. 10 students wear spectacles and 16 girls. there 8 boys who do not wear spectacles. How many girls wear spectacles?

    asked on September 18, 2017
  24. accounting

    Exercise 9-13: Accounts receivable turnover L.O. A1 The following information is from the annual financial statements of Lucilla Company. 2009 2008 2007 Net Sales $ 262,000 $ 193,000 $ 245,000 Accounts Receivable, net (year-end) 42,700 40,500 37,200

    asked on April 14, 2010
  25. history

    The Dredd Scott decision: *declared that Congress could not prohibit slavery from a territory *struck down the Kansas-Nebraska Act *stated that a slave was property and could never be a citizen *allowed slavery in every state in the Union

    asked on September 28, 2010
  26. science

    ok my summer homework is to explain how the si system is used in the scienetific community. HELP!

    asked on August 12, 2009
  27. College Algebra

    The value of the expression (4220 + 0.25 (x - 30,650) is the 2006 federal income tax for a single taxpayer with taxable income of x dollars, where x is over $30,650 but not over $74,200. Simplify the expression; Find the amount of tax for a single taxpayer

    asked on October 14, 2008
  28. Physics

    determine the distance from earths centre where the force of gravity acting on a space probe is only 11% of the force acting on the same probe at earths surface. Express your answer in terms of earths radius, rE

    asked on October 14, 2008
  29. Probability

    The mean annual starting salary of a new graduate in a certain profession is $43,000 with a standard deviation of $500. What is the probability that the starting salary of a new graduate in this profession will be between $39,500 and $46,500?

    asked on December 8, 2016
  30. Math Probability Distribution

    A probability distribution has a mean of 57 and a standard deviation of 1.4. Use Chebychev’s inequality to find the value of c that guarantees the probability is at least 96% that an outcome of the experiment lies between 57 - c and 57 - c. (Round the

    asked on December 8, 2016
  31. Probability Help

    Fourty people are selected at random. What is the probability that none of the people in this group have the same birthday? ​

    asked on December 8, 2016
  32. Math

    If a flew flew an estimated distance of 800 kilometers what is the greatest distance the plan could have flown

    asked on October 6, 2014
  33. ETH 125

    What is the definition of socially compliant? I am completing an assignment that requires to categorize this statement for one of two groups or both (Christian American/ Muslim and Arab American).

    asked on September 19, 2010
  34. pre-algebra

    I need to figure out how to convert 11inches to the actual length of 550 to scale. Please help 550 what? miles? feet? inches? If you want 550 of some length unit to be represented as 11 inches on a map or scale drawing, divide all lengths by 50.

    asked on July 2, 2007
  35. Drama Question

    A prop-box is a/an: effective strategy for enhancing drama activities. (or) tool for evaluating activities Check this site for your answer. http://www.angelfire.com/dc/childsplay/Prop_Box_Ideas.htm Thank you for using the Jiskha Homework Help Forum. A

    asked on April 1, 2007
  36. Probability Help

    Forty people are selected at random. What is the probability that none of the people in this group have the same birthday? ​

    asked on December 6, 2016
  37. Precal/Math

    How do i find the equation in the form: y=a(sqrt b(x-h))+k From the points (-5,3) (-4,-1) (-1,-5)

    asked on April 5, 2016
  38. PreCal

    Rationalize the denominator of the expression: sqrt2+1/sqrt-1

    asked on March 9, 2015
  39. Algebra

    How do I solve 5*(3x+2)=75

    asked on March 20, 2011
  40. english

    I am doing a book report on the book my sister keeper i need to give a description of two characters in the book and also the page number i found it on ??

    asked on September 13, 2009
  41. science

    how do scientists use measuremnets?

    asked on August 12, 2009
  42. Physics

    Three ropes (X,Y and Z) made of different materials are attached in a linear fashion. Based on the following observations, classify ropes X,Y, and Z as fast, intermediate or slow media. -a negative pulse transmitted into X is inverted upon reflection and

    asked on November 23, 2008
  43. Math Help

    Explain what is meant by an experiment. Give an example. For the example you have chosen, describe (a) a sample point, (b) the sample space, and (c) an event of the experiment.

    asked on December 10, 2016
  44. Probability Help

    Forty people are selected at random. What is the probability that none of the people in this group have the same birthday? ​

    asked on December 6, 2016
  45. Please help w/Math

    A survey of the opinions of 12 leading Economists in a certain country showed that, because oil prices were expected to drop in that country over the next 12 months, 10 had lowered their estimate of the consumer inflation rate, 10 had raised their estimate

    asked on November 3, 2016
  46. Precal/Math

    Solve: log(3-2x)-log(x+24)=0

    asked on April 23, 2016
  47. Precal

    How do i get left side to equal right side? (Cos x)/(1+sin x) + (cos x)/(1-sin x) = 2secx

    asked on March 21, 2016
  48. calculus

    Given the function f(x) = 3x - 9 a. Find the rate of change between the two stated values for x: 7 to 8 b. Find the equation of a secant line containing the given points: (7, f(7)) and (8, f(8))

    asked on March 15, 2012
  49. eth 125

    I have an assignment that ask to describe an issue between Native Americans and the federal government. I found an article at indiancountrytoday that speaks of uranium mining and how it affects the water supply for over 15,000 residents. My problem: I do

    asked on September 25, 2010
  50. business

    operational components of planning, sourcing, making, and delivering

    asked on February 17, 2010
  51. human resources

    How do I do a job description for a high school librarian? Do I set it up as an outline?

    asked on November 13, 2009
  52. Chemistry

    Consider the densities of the liquid substances listed. a) How will substance X, a solid, with density of 0.87 g/cm^3, behave when placed in each of the other pure liquids? b) Sketch and label a test tube containing substances A,B,C, and X. Assume that the

    asked on September 9, 2009
  53. Probability

    What is the probability of an event E in a uniform sample space S?

    asked on December 10, 2016
  54. Precal

    Solve the equation: Logx=1-log(x-3)

    asked on April 22, 2016
  55. Math

    How many 4 digit multiples of 5 can be form d using the digits, 1,2,5,7,9,0 if repitions are not allowed?

    asked on April 7, 2016
  56. Math

    How do i get left side to equal rs? (Tanx/1+secx)+(1+secx/tanx)=(2/sinx)

    asked on March 22, 2016
  57. geometry

    two round fountains are similar. one measures 4'6 across and the other measures 9'7 across. find the scale factor from the small one to the large one

    asked on June 5, 2015
  58. Biology

    What happens as a result of insertion (the mutation)?

    asked on February 17, 2015
  59. algebra

    24 increased by y

    asked on October 26, 2014
  60. algebra

    What is the translation of 24 increased by y??

    asked on October 26, 2014
  61. ALGEBRA / MATH / FINANCIAL

    PLEASE HELP.. HERE'S THE QUESTION.... RYAN IS GOING TO INVEST $4000 INTO 2 INVESTMENT OPTIONS. ONE OPTION PAYS 3% AND THE OTHER OPTION PAYS 3.5% SIMPLE INTEREST. HOW MUCH DID RYAN INVEST IN EACH OPTION IF THE INTEREST EARNED IN THE OPTION PAYING 3.5%

    asked on September 18, 2012
  62. Economics: Am I right?

    I am completely stuck on these two questions. I have read my chapter, but I am still doubting that I got the answers correct. 1.A decrease in aggregate demand causes a decrease in ______ only in the short run, but causes a decrease in ______ in both the

    asked on April 8, 2012
  63. economics

    am completely stuck on these three questions. I have read my chapter, but I am still doubting that I got the answers correct. 1.A decrease in aggregate demand causes a decrease in ______ only in the short run, but causes a decrease in ______ in both the

    asked on April 7, 2012
  64. MATH

    3X-2Y=-27 7X+85=Y

    asked on October 28, 2011
  65. Geometry

    A certain type of cube has 2-inch edges. What is the maximum number of cubes than can be put into a box that measures 2.7 feet by 3.2 feet by 4.1 feet?

    asked on April 19, 2011
  66. College Algebra

    How do you solve L=2.43*9.0^0.3326 to get the wingspan of a pelican in feet?

    asked on April 11, 2010
  67. 3rd grade

    what multiplication fact can be found by using the arrays for 2 times 9 and 5 times 9

    asked on February 3, 2010
  68. com 220

    I need to find more information on why people need life insurance

    asked on August 18, 2009
  69. foreign language

    can i learn two languages at once?

    asked on August 12, 2009
  70. english

    is texting bad for my grammar?

    asked on August 12, 2009
  71. social studies

    whats a site that i can get articles about prehistoric humans?

    asked on August 12, 2009
  72. science

    what is the si base unit for density, liquid, and rectangular solid?

    asked on August 12, 2009
  73. science

    how do scientists use the si system?

    asked on August 12, 2009
  74. math

    a machine can fill a 2 liter bottle in 0.5 second and move the next bottle in place in 0.1 second how many 2 liter can be filed by the machine in 2 hours

    asked on January 28, 2009
  75. Accouting

    what four items may be omitted when listing figures on columnar paper?

    asked on September 18, 2008
  76. Drama Question

    Creative drama offers a means for cooperative learning and teamwork through which? 1. shared experiences 2. creative illustrations 3. building language skills 4. improvised facial expressions I am thinking "shared experiences" offer a means of cooperative

    asked on April 1, 2007
  1. Chemistry

    6.02x1023

    posted on November 29, 2018
  2. Social studies

    STRONG EMOTIONS

    posted on May 9, 2018
  3. English

    im failing most of my classes cause I started connexus so far into the school year and im actually way ahead poeple who started days before me and Im trying to get into public school again but I cant If im failing IM HATING CA

    posted on January 6, 2017
  4. Stats - Please help me

    OK .. thanks .. the 39258 is correct. but the 1.0905 is showing as incorrect.

    posted on March 13, 2015
  5. Algebra 1a

    24 increased by y

    posted on October 26, 2014
  6. us history

    if i post question on here and give u the answer i picked will u tell me if its right

    posted on September 28, 2010
  7. us history

    What is an abolitionist? a runaway slave *a person who wanted slavery outlawed a slave-owner who treated his slaves fairly a person who uses violence to advance their cause i pick the one with star

    posted on September 28, 2010
  8. us history

    repealed the Missouri Compromise and authorized the residents of both territories to determine the status of slavery

    posted on September 28, 2010
  9. ETH 125

    thank you sooo much! i can now finish this assignment before it is too late!

    posted on September 19, 2010
  10. ETH 125

    thank you for your response. However, I already googled and that is the only definition I found, but could not adapt incorporate that definition into the assignment.

    posted on September 19, 2010
  11. Finance

    3000

    posted on July 21, 2010
  12. Chemistry

    Consider the densities of the liquid substances listed. a) How will substance X, a solid, with density of 0.87 g/cm^3, behave when placed in each of the other pure liquids? b) Sketch and label a test tube containing substances A,B,C, and X. Assume that the

    posted on September 9, 2009
  13. social studies

    oh thank you that helped alot!

    posted on August 12, 2009
  14. social studies

    is there any other website?

    posted on August 12, 2009
  15. science

    i was already on that site it didn't help

    posted on August 12, 2009
  16. science

    i did. those were two diff questions

    posted on August 12, 2009
  17. Physics

    but do i do sperate equations for both water and silver or do i do it as a combined equation. if its combined do i combine the masses and he heat capacity? i'm so confused

    posted on October 26, 2008
  18. ALGEBRA

    sorry i meant (x+3)(x-10)

    posted on October 14, 2008
  19. ALGEBRA

    not sure if this is what u mean but (x+3)(x-7)=0

    posted on October 14, 2008
  20. Math

    f(x)= 2(x-1)^2-2 (complete the square to get vertex form f(x)=a(x-h)+k) Vertex is (h,k) so (1,-2) Axis of sym = 1 x intercepts = (0,0) and (2,0) y intercept = 0 parabola opens up

    posted on October 14, 2008
  21. Physics

    well my teacher cant teach so i dont. and i used the formula but i got a different answer then the back of the book. i don't get what im doing wrong. g=GMe/(radius Earth+altitude)^2 g=(6.67x10*-11Nm^2/kg^2)x(5.98x10*24kg)/ (6.38X10*6m+0.22m)^2 g=

    posted on October 14, 2008
  22. Physics

    well my teacher cant teach so i dont. and i used the formula but i got a different answer then the back of the book. i don't get what im doing wrong. g=GMe/(radius Earth+altitude)^2 g=(6.67x10*-11Nm^2/kg^2)x(5.98x10*24kg)/ (6.38X10*6m+0.22m)^2 g=

    posted on October 14, 2008
  23. Math

    well there is one thousand millilitres in a litre so multiply 2.3 by 1000

    posted on October 14, 2008
  24. Physics

    k well i don't know what Me stands for or what the altitude is or how to find it.

    posted on October 14, 2008