1. math

    Write the base 10 number 945 s a base 6 number and as a base 12 number. then, using these numbers as base 10 numbers, find the positive difference between them.

    asked by Brenda on January 11, 2011
  2. Probability

    A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number less than 3. Find the probability of not rolling a number less than 3 A. 1/3;2/3 B. 1/2;1/2 C. 5/6;1/2 D.1/6;5/6

    asked by to school on May 14, 2018
  3. math

    The difference between two numbers is 33. If three times, the larger number is subtracted from six times the smaller number, the difference is 18. Find the smaller number.

    asked by Anonymous on April 15, 2016
  4. Maths

    the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total number of pupils in the class.

    asked by Sarah on September 24, 2014
  5. Chemistry (Check)

    Q: Number of unpaired electrons in the nitrogen atom. A: 1s^2 2s^2 2p^6. 3 unpaired electrons in the p orbital Q: Number of 4d orbitals. A: 10 Q: Maximum number of electrons that can have n=3 and l=1. A: 1s^2 2s^2 2p^6 3s^2 3p^6. 2 electrons

    asked by Anonymous on September 13, 2015
  6. Algebra 2

    For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by S=858t^2 + 1412t + 4982 where t is the number of years since 1990. In what year did the number of subscribers reach 50 million?

    asked by Krystal on September 24, 2013
  7. math

    the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

    asked by shohanur on March 30, 2013
  8. math

    the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

    asked by shohanur on March 30, 2013
  9. math

    the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

    asked by shohanur on March 30, 2013
  10. algebra 2

    the number N of aluminum cans used each year varies directly as the number of people P using the cans if 55 people use 13,805 cans in one year how many cans are used in a cith which has a population of 1,469,000 what is the number of cans used.

    asked by kay on March 24, 2012
  11. Math,Ratio

    the ratio of the number of coins Azam had to the number of coins Eddie had was 3:7.Eddie gave 42 coins to Azam and they ended up having the same number of coins.how many coins did each person have at first? pls show ur answer purely!

    asked by Da S on February 3, 2012
  12. math

    help with solving a magic square http://www.jiskha.com/display.cgi?id=1125461237.1125498843 MAGIC SQUARES Magic squares, those seemingly innocent looking collections of numbers that have fascinated so many for centuries, were known to the ancients, and

    asked by nicholas on June 5, 2007
  13. computer code

    Create a Flowchart and pseudocode. Create a class whose main method creates three arrays. The first array will contain five kinds of flowers - petunia, pansy, rose, violet, and carnation. The second array will contain the cost of each flower, respectively,

    asked by Wayne on March 21, 2015
  14. Living environment

    The apperance of the greatest percentageof white mice occured (1) before the maximum number of days of snow cover (2)at the same time as the maximum number of days of snow cover (3) after the maximum number of days of snow cover (4) both before and after

    asked by lisa on January 3, 2012
  15. math

    The number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place. Those two numbers equal 11.how many blocks are there?

    asked by myah on January 19, 2016
  16. Math

    the number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place. Those two numbers equal 11. how many blocks are there.

    asked by Roger on December 7, 2015
  17. Math

    The number of blocks has 9 in the ones place.The number in the hundreds place is one more than the number in the tens place.Those two numbers equal 11.How many blocks are there?

    asked by Deron on September 13, 2016
  18. Math

    The number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place. Those two numbers equal 11. How many blocks are there?

    asked by Vincent on November 5, 2017
  19. math

    the number of blocks has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place. those two numbers equal 11. how many blocks are there?

    asked by anthony on January 18, 2017
  20. math

    The number of blocks has 9 in the ones place the number in the hundred place is one more than the number in the tens place those two numbers equal 11 how many blocks are there?

    asked by Anonymous on December 14, 2016
  21. Math

    The number 0f blocks has 9 in the one's place the number in the hundres place is one more than the number in the tens place those two numbers equal 11 how many blocks are there

    asked by Mike on January 26, 2017
  22. algebra

    1. 8 less than a number is 15. find the number. 2. a number less than 8 is 15. find the number. 3. 5 times a number is 45. find the number

    asked by Peter on February 8, 2009
  23. Trigonometry

    The number of hours of daylight in a city in the northern hemisphere shows periodic behavior over time. - The average number of daylight hours is 12 - The maximum number of daylight hours is 14.4 - The period is 365 days - The day with the least sunlight

    asked by Max on March 2, 2018
  24. math

    On a class trip there wre 30 more girls than boys.The total number of students on the trip was 210.Write and solve an equation to find the number of girls and the number of boys on the class trip.

    asked by ashley on January 28, 2014
  25. math

    the track cpach records the number of laps the team runs each day fr a week in the table below. if the team rus at most 10 laps each day, then they have to practice saturday. use the inequalty l is less than of equal to where l represents the number of

    asked by spartans on February 16, 2015
  26. Algebra median

    So I don't know how to do this. I know how to find the median of numbers. But I have a picture it's like a number line with dots on top of the number. What is the median life expectancy below? What is the range of life expectancy below? Number line

    asked by Stacy on September 12, 2018
  27. science

    what is the charge on a copper nucleus The atomic number is the number of protons in the nucleus and protons have a charge of +1. What is the atomic number of copper? Look on the periodic table. If you don't have one at home, here is one on the web.

    asked by vannesa on October 25, 2006
  28. chemistry

    Tantalum metal is produced by reaction of potassium heptafluorotantalate (K2TaF7) with elemental sodium (Na) in a reactor heated to 850oC. The by-products are potassium fluoride (KF) and sodium fluoride (NaF). The reactor is charged with 244.0 kg of K2TaF7

    asked by schoolgirl on March 24, 2013
  29. chemistryI

    If 2 protons and 2 neutrons are ejected from a radium nucleus with atomic number 88 and mass number 226 which element will be the result? Could someone please tell me how to work this out. Thanks. The atomic number is the count of protons...so if two are

    asked by laura on March 15, 2007
  30. math algebra

    The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and

    asked by scooby on November 6, 2009
  31. math (word problem) last one

    The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and

    asked by scooby on November 6, 2009
  32. Probability

    1. The chart below shows the possible options for pants, shirts, and shoes in Tom’s closet. Which tree diagram correctly shows the possible outfits he can wear? Pants- jeans(j) khakis(k) Shirts- yellow(y) blue(b) checked(c) Shoes- sneakers(s) hiking

    asked by Connexus on May 14, 2018
  33. chemistry

    Which statement describes the principal quantum number (n)? A. The quantum number that indicates the subshell occupied by an electron B. The quantum number that indicates the energy level of the electron C. A subdivision of an energy level in an atom D.

    asked by Morgan on December 11, 2014
  34. Statistics

    A quiz consists of 10 multiple choice questions. Each question is marked either “right” or “wrong.” Each right answer gets 5 points, and 1 point is taken off for each wrong answer. The correlation between the number of right answers and the number

    asked by Emily on March 15, 2013
  35. math

    Kevin and Zach are playing a number guessing game. Kevin says, "I am thinking of a number. If you double it and then subtract one, the result is 7." a) Write an equation that Zach could solve to find Kevin's number. b) Explain the steps Zach could use to

    asked by sam on April 7, 2008
  36. Physics

    when we do convertions, do we have follow the rules for rounding? is it 118.5cm=1.19m, or 118.5cm=1.18m? It depends upon how many significant figures (sf) you are allowed, whether you are doing converSions or calculating some other problem. By definition,

    asked by Katrina on September 17, 2006
  37. IB Math Studies

    Would it be appropriate to use a chi-square test for analysis of statistics in the following topics? •Number of Surgical Fatalities vs. U.S. State •Number of professional men’s soccer injuries vs. country of their team

    asked by Jake on October 28, 2007
  38. math

    A number cube is rolled 310 times and the results recorded: 50 ones, 55 twos, 44 threes, 53 fours, 52 fives, and 56 sixes. What is the experimental probability of rolling an even number, as a percent?

    asked by please help me quickly I'm so confused on May 5, 2016
  39. matn

    need help with word problem? half add it Find a number such that when added to numerator and denominator of 2/11 yields a fraction equivalent to 1/2? thanks for any help (x+2)/(x+11) = 1/2 x is the number you want. Now do the algebra. I will be happy to

    asked by vince on March 8, 2007
  40. Science

    Which best describes the similarities among elements included in the same column of the periodic table? A. They have the same state at room temperature. B. They have the same number of protons. C. They have the same number of electrons. D. They have

    asked by Anonymous on March 13, 2014
  41. math

    Suppose X is a random variable with mean μ and standard deviation σ. If a large number of trials is observed, at least what percentage of these values is expected to lie between μ − 3σ and μ + 3σ? (Round your answer to the nearest whole number.)

    asked by titi on July 2, 2017
  42. chm 2

    On the same type of problem as the previous one, it is now asking the pH of 1ml of NaOH plus 50ml water. If i solve for pOH taking .001ml / .051, i get the same number as before, can i just subtract the number from 14 to get pH of the basic solution? 12.29

    asked by Kyle on October 14, 2013
  43. Math

    The table shows the number of lemons needed to make different numbers of pitchers of lemonade 24lemons 3pitchers 32lemons 4pitchers 56lemons 7 pitchers 96lemons 12pitchers What is the relationship between the number of pitchers and the number of lemons?

    asked by Derrick on March 20, 2012
  44. Math.

    39. Students are cleaning a local park in groups. There are 50 boys & 75 girls. Each group has the same number of boys and the same number of girls. What is the greatest possible number of groups? 40. You are dividing a community garden 35 m long by 15 m

    asked by Stella on October 15, 2013
  45. Statistics

    A certain organization recommends the use of passwords with the following​ format: consonant comma consonant, consonant comma vowel comma consonant comma vowel comma consonant comma number comma number consonant, vowel, consonant, vowel, consonant,

    asked by Naomi on June 21, 2018
  46. Statistics

    One item on a questionnaire asks, "How many siblings (brothers and sisters) did you have when you were a child?" A researcher computes the mean, the median, and the mode for a set of n = 50 responses to this question. Which of the following statements

    asked by Lyn on December 23, 2013
  47. math

    A. Four times one odd integer is 14 less than three times the next even integer. Find the integers. B. The average of four consecutive odd integers is 16. Find the largest integer. C. When the sum of three consecutive integers is divided by 9 the result is

    asked by gary on July 13, 2013
  48. Math

    The number of women passengers in a bus was X. The number of children in the bus was three times that of men passengers but was 6 more than that of women. Write equation that shows the total number of passengers in the bus?

    asked by kudu on January 31, 2015
  49. Civics

    Florida has 27 representatives while Massachusetts has nine representatives. Why do states have different numbers of representatives? Voters in each state decide how many people to send as representatives. The amount of land a state has within its borders

    asked by Anonymous on December 12, 2014
  50. Math

    Three friends drove radio controlled cars around a track. The table below shows the number of laps completed by each person and the time it took. Latoya Mary Melissa Number of laps 9 30 20 Time (minutes) 3 6 5 Write the number of laps completed per minute

    asked by Rain on December 20, 2016
  51. algebra

    One evening 1500 concert tickets were sold for the Fairmont Summer Jazz Festival. Tickets cost $25 for covered pavilion seats and $20 for lawn seats. Total receipts were $35,000. How many of each type of tickets were sold? Let x equal the number of

    asked by Anonymous on January 13, 2015
  52. Algebra

    Did I do thes right? 1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: a) What does the number 3.03 represent? The cost for one gallon of

    asked by A.W. on February 28, 2009
  53. Civics

    Florida has 27 representatives while Massachusetts has nine representatives. Why do states have different numbers of representatives? Voters in each state decide how many people to send as representatives. The amount of land a state has within its borders

    asked by 36595 on December 12, 2014
  54. math(help)

    for questions 1-2,estimate the sum or difference.use the benchmarks 0,1/2,and 1. 1.23/40-9/30 A.0 B.1 C.1/2 2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the

    asked by darla on November 26, 2013
  55. Math

    How can I figure the number of days from one date to another? Example: How many days are from June 21 to Sept. 23? I need to do this without using a calendar. The first thing you need to know is the number of days in each month. If you don't know this

    asked by Phillip on September 2, 2005
  56. chem-balancing acidic equation

    the reaction: Cr2O7^-2(aq) + Cl- -> Cr^3+(aq) + Cl2(g) My balancing. Cr2O7^-2(aq)-> Cr^3+(aq) +Cr +7H2O +14H+ +6e- Cr2O7^-2(aq)+14H+ +6e- -> 2Cr^3+(aq)+7H2O Cl- -> Cl2(g) +Cl- +2e- 2Cl- -> Cl2 +2e- Cr2O7^-2(aq)+14H+ +6e- +2Cl- -> 2Cr^3+(aq)+7H2O +Cl2 +2e-

    asked by alexa on May 17, 2007
  57. Math

    g(x)= 8/10-9x would the correct answer be a) {xIx is a real number and x ==/== 10/9? b){xIxis a real number and x equals lesser or equal to >_ 10/9 c){xIx is a real number and x =/= 0 d){xIx is a real number and x =/= 8 my answer is c is this correct?

    asked by Anonymous on October 24, 2009
  58. Math

    What is the probability of rolling a number cube and getting an even number or a multiple of 3? I got 4/6 as the probability, but that isn't a choice. 6 is a multiple of 3 and an even number, so if I count 6 once, then I get 4/6 as the probability. But if

    asked by Sammy on March 30, 2011
  59. Math

    g(x)= 8/10-9x would the correct answer be a) {xIx is a real number and x ==/== 10/9? b){xIxis a real number and x equals lesser or equal to >_ 10/9 c){xIx is a real number and x =/= 0 d){xIx is a real number and x =/= 8 my answer is c is this correct?

    asked by Anonymous on October 24, 2009
  60. Math for Business Analysis

    Let f (x, y) = xy + 5x + 4y model the utility a consumer feels based on the number of the number of cups of coffee, x, and the number of donuts, y, consumed on a given Thursday. Find the absolute maximum and absolute minimum values of f(x, y) over the

    asked by lex. on June 12, 2016
  61. algebra

    the question says: the yearbook committee is distributing yearbooks to students by class. Each class has approximately the same number of students. The table shows number of volunteers who helped to distribute the yearbooks to each of the four classes and

    asked by dirtrider on January 22, 2013
  62. Chemistry

    Which statement concerning the electrons surrounding the nucleus of an atom is NOT correct? a) When 2 electrons pair together, they have opposite spins. b) The number of the electrons in an isolated neural atom is equal to the atomic number c) The second

    asked by Peter on September 27, 2012
  63. Algebra 1A Word Problem

    Can someone please help me with this Algebra problem. The equation y= -1777x + 27,153 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x-6 corresponds to 2006,

    asked by Susan on May 27, 2010
  64. algebra 2

    evaluate if possible 1. square root -121 A not a real number 2. 3cube-8/27 would this be 3cube -2/3 number 1 is correct i've had that one in my homeworks previously. number two i am not sure how it would actually look 3^3+ (-8)/(27)= If so to reduce it I

    asked by Ray on June 5, 2007
  65. algebra 2

    What is the 20th term of the sequence that begins -3,6,-12,24? A. 524,288 B 524,288 C. 1,572,864 d. 3,145,728 The term in a geometric sequence is 160. the 7th term is 40. What are the possible values of the 6th term of the sequence? You roll a standard,

    asked by Multiple choice please help on May 19, 2014
  66. calculus

    The number of Drosophila fruit flies in a controlled experiment assumes the following growth pattern when the food source is limited: N(t) = 120 1+11e−0.4t where t measured in days. A. How many fruit files were there in the beginning? B. What is the

    asked by Anonymous on July 16, 2014
  67. MATH help

    I need help with this find the sum or difference. write the answer in simplest form. question is 3 5/6 -(-2/3) If you help me i'll take you out and we can get some food and go see the movie IT!

    asked by Gary Windthorpe ;) on September 19, 2017
  68. trig

    write an equation expressing: cos37cos99 as a sum Review question. I know the formula. Having trouble with working it out.

    asked by Gaile on November 6, 2011
  69. calculus

    Find the values of p for which the following series is convergent. The sum from n=2 to infinity of 1/(n(ln(n))^p). I tried the integral test using u-substitution, and I know the answer is p>1, but I'm not quite sure how to get there. Thanks for the help.

    asked by Travis on February 10, 2013
  70. Math

    What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9? Please explain in steps.

    asked by Jenny on January 8, 2015
  71. Chemistry

    When the equation for the following reaction in basic solution is balance, what is the sum of the coefficients? MnO2 + HO2^1-.....>MnO4^1- A=11 B=31 C=14 D=9

    asked by Wube on April 28, 2012
  72. Physics

    What is the magnitude of the average force required to stop an 1500 kg car in 8.0 s if the care is traveling at 95 km/h? Sum of F = ma?

    asked by Mike on June 13, 2012
  73. Pre Calc

    Given the sum of all the edges of the rectangular solid at the right is 76cm, the area of all of its faces is 228 cm^2, and its volume is 216 cm^3.

    asked by Emma M on September 12, 2010
  74. math

    Ques1- represent numberline -7/3. Ques2- divide the sum of3/8and -5/12by the reciprocal of -15/8 *16/27

    asked by Ranjeet singh on June 20, 2017
  75. calculus

    test the series for convergence or divergence. the sum from n=1 to infinity of ((-1)^n*e^n)/(n^3) I said it converges because the derivative of (1/n^3) is decreasing is this true?

    asked by sarah on February 27, 2008
  76. math

    Connor found the sum of the first three even numbers and obtained the result of 48. Oops,what mistake must he have made? Thank you anyone who helps me I really appreciate it :3

    asked by Leda on February 1, 2012
  77. Math 9 pleese help me thanx

    The cube of the sum of 5 an 2 is decreased by the square of the product of 6 and 4. Write an expression that models this statement. Then , solve.

    asked by Harry on December 13, 2012
  78. geometry

    In a cyclic quadrilateral show that the sum of the products of the opposite sides is equalto the productof the diagnals. please help me

    asked by lily on November 10, 2007
  79. math

    Two six-sided dice are rolled at the same time and the numbers showing are observed. Find the following. a. P(sum=8) (5,2) (2,5) 2/36 Please help me with the steps

    asked by Keonn'a on October 9, 2018
  80. pre calc

    If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? Sn=n(n-1)/(3) Sn=n(2n-1)/(3) Sn=n(n+1)/(3) Sn=n(n+1)(2n+1)/(3)

    asked by ziya on November 27, 2012
  81. ah trig help

    use an apropriate sum or difference indentity to prove the double-angle identity cos2u=1-2sin2u

    asked by amber on April 26, 2011
  82. Math

    What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9? Please explain in steps.

    asked by Jenny on January 8, 2015
  83. Math algebra

    Let N be the sum of all positive integers q of the form q=p^k with prime p, such that for at least four different integer values of x from 1 to q, x^3−3x≡123(modq). What are the last 3 digits of N?

    asked by Bob on May 11, 2013
  84. math help!!!!

    determine the sum of the following geometric series. round your answer to 4 decimal places if necessary. a. -1/32+1/16-...+256 b. 50 over sigma n=1 8(.5)^n-2

    asked by Anonymous on January 10, 2011
  85. Math - PreCalc (12th Grade)

    If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3

    asked by Shawna on March 20, 2014
  86. maths

    IF the sum of areas of two squares is 610msquare and the difference of their perimeters is 32m,then find the lengths of their sides?

    asked by pooja on March 16, 2016
  87. Geometry

    Please help me. What is the radius of a circle whose area is equal to sum of the ares of the circles with radii which are 14cm and 18cm?

    asked by Tyche on October 2, 2016
  88. Calculus

    Determine if the series converges or diverges. Sum (n=1, infinity) (2*4*6...2n)/n! My main problem is I have no idea what to do with the numerator.

    asked by Jenny on March 4, 2013
  89. statistics

    The following is a list of 10 measurements: after adding and sub all 10 numbers I came up with a -29. Now it wants the sum 10/i,i than xi over 32. Do I x -29 and the 32 or do I divide. This is were I get very confused. I am sorry to ask again but I never

    asked by mary ann on January 21, 2015
  90. Ethics

    What moral is the fondness of war related to? I'm trying to sum it up in a concise phrase or word but I can't think of the right one. Ambitiousness? Belligerent? Thanks

    asked by jane on February 22, 2011
  91. Math

    Two six-sided dice are rolled. If the sum of the dots showing is odd, we get $16; otherwise, we lose $27. What is the expected value of this game?

    asked by valeria on November 17, 2018
  92. math

    Is it possible to have a triangle that the sum of the measures of the small and medium sides is equal to the measure of the large side?

    asked by miranda on October 26, 2010
  93. algebra

    Find the sum of the interior angles of a nonagon. (1 point) A. 140° B. 1,620° C. 1,260° D. 1,450 °

    asked by Me.(; on February 21, 2016
  94. Math

    the product of two consecutive positive even integers is 14 more than their sum .set up an equation that can be used to find the two numbers and solve it

    asked by Maggie on March 1, 2016
  95. statistics

    n=16 M=46 Sum of Squares=6000 Make a 95% confidence interval estimate of the population mean. I got 35.345 TO 56.655

    asked by Lezlie on June 10, 2008
  96. Math

    what is the sum of a profit 0f $8000 and a loss of $13000? I'm realy struggling and need URGENT Help! plz respond

    asked by Tom on July 11, 2014
  97. Pmath sequence

    How mamy geometric means are needed bdtween 2 and 1458 so that the sum of the resulting sepuence be 2186?

    asked by Abdela said yimer on January 21, 2012
  98. expected value

    Two six-sided dice are rolled. If the sum of the dots showing is odd, we get $10; otherwise, we lose $25. What is the expected value of this game?

    asked by brii on February 22, 2015
  99. mathzzzz gkpp

    the sum of money will amount to rupees 12000 in 2 years at the rate of 10% per annum compounded anually

    asked by cbse 8th on November 2, 2014
  100. TO: MS SUE MATH 9

    The cube of the sum of 5 an 2 is decreased by the square of the product of 6 and 4. Write an expression that models this statement. Then , solve. THANX

    asked by Harry on December 13, 2012