1. Chemistry

    18. Explain how the atomic number of an element identifies the element. 19. How can atomic number and mass number be used to find the numbers of protons, electrons, and neutrons? 20. An atom is identified as platinum-195

    asked by Rosio on September 21, 2006
  2. math

    a person has $4 in nickles, quarters, and dimes. there is a total of 36 coins altogether. the number of quarters is 4 less then the number of dimes. Algerbaicly determine the number of each type of coin using a system of 3 equations with 3 variables.

    asked by Bob on September 13, 2010
  3. algebra

    1. you randomly choose an integer from 10 to 20. what are the odds that the integer is 15 or less? 2. you toss a six-sided number cube 15 times. for nine of the tosses the number tossed was 4 or more. what is the experimental probability than a number

    asked by lamiya on September 13, 2009
  4. Math

    How can i make nine equations with the numbers 2, 7 and one other number to equal 8. The first equation should have one as the other number, then two and so on up to 9. I can only use a number once for each expression. I can use arithmetic symbols,

    asked by Alexandra on April 10, 2007
  5. Math

    You were assigned a locker for your books at school. You forgot the locker number but remember that two of the 12 positive factors of the locker number are 6 and 25. What is you locker number? I calculate the answer to be 325. Is that correct? If not will

    asked by MATH HELP PLEASE on January 17, 2012
  6. chemistry

    1) Explain why propan-1-ol has the number "1" in the name. -The number is there to show where the OH must go. 2) Say why ethanol does not have a number in its name. -Something to do with the amount of carbons ?? Butan-1-ol has several isomers. Give the

    asked by Anonymous on April 3, 2008
  7. math

    If in the number 4315 the digits representing tens and thousands were interchanged, the value of the new number formed in relation to the original number would be... explain it out please A.unchanged B.280 more C.280 less D.2970 more E.2970 less

    asked by vincent on August 3, 2013
  8. math

    1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = -12 A( -36 B( -4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 =

    asked by cross fire on October 28, 2015
  9. Math

    Please check to see if I did this correctly. This is a 2 part math problem. 1. Janelle has d dimes and n nickles. Her sister has 5 times as many dimes and 6 times as many nickles as Janelle has. Write the sum of the number of coins they have, and then

    asked by Paul on November 7, 2015
  10. Algebra 2

    The width of a rectangular box is twice the height. Twice the length of the box exceeds the sum of the width and the height by 5in. Given that the sum of the length, width, and height is 16in, find the length, width, and height. I got, w=2h 2L=w+h+5

    asked by Coly on November 17, 2015
  11. algebra

    the sum of ages of maria and anna is 35. when maria was two-thirds her present age and anna was three fourths of her present ages, the sum of their ages was 25. how old is maria now?

    asked by jack on June 16, 2017
  12. Medical Information management and office practice

    Jane-Doe is admitted to the hospital. Her admission is assigned a new medical record number 10-50-18. She has another record number 00-05-61 from a previous hospitalization. The information from 00-05-61 was moved forward to the new admission 10-50-18.

    asked by JULIANNA on December 21, 2010
  13. algebra

    hi i just need to know if my answer is good? Thanks! What is the difference between an irrational number and an integer? In your explanation, be sure to include various Key Words you learned in this unit. my answer: an irrational number can't be converted

    asked by reb on October 5, 2018
  14. Need 8 grade math help quick please!

    I don't understand this. I don't get exactly what I'm supposed to do with the P(parenthes) thingy or how each question differs from the next. Theoretical and Experimental Probability: A number cube with the numbers 1 through 6 is rolled. Find the given

    asked by Rainshine on March 28, 2014
  15. lively

    Suppose that four times the square of a number equals 20 times that number. Whatis the number? It'll take you 45 seconds if you just plug in a few numbers Again -- putting the subject in the subject line helps. =) 4 n^2 = 20n zero is one solution. Solve

    asked by jonathan on November 26, 2006
  16. math

    Find the representation of the number 256 in the following bases: a. base six b. base twelve c. base two I get how to write the number of objects as a base(whatever), but I think this is asking me to start from the end number and work backwards. I really

    asked by Lauren on September 3, 2009
  17. algebra

    I am the middle of 3 numbers whose total is 31. The largest is 3 more than 5 times the smallest. What # am I? 1st number I put as x 2nd number I put as y as long as y> x 3rd number is 3+5x=z X+y+z=31 so when I plug it in I get X+y+3+5x=31. Y=28-6x Now is

    asked by susan on December 9, 2015
  18. math

    The ratio of mystery books to the number of science fiction books is 4:3. The number of sci-fi books to the number of biographies is 4:5. If there are 48 sci-fi books what is the total number of books

    asked by Ben on January 24, 2013
  19. Word problem help plz

    The sum of the age of father and son is 99.if the age of the son is added to the inverted age of the father,the sum is 72.if the inverted age of the son is subtracted from the age of the father.the difference is 28...what are there age? plz help i do not

    asked by Collins on January 4, 2016
  20. 5th grade math

    A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C.

    asked by jamar on January 15, 2014
  21. geometry

    Each of the numbers 0 through 15 is written on a piece of paper and all of the pieces of paper are placed in a hat. One number is selected at random. determine the probability that the number selected is even. Note 0 is considered an even number.

    asked by angela on June 11, 2012
  22. Math

    Each of the numbers 0 through 26 is written on a piece of paper and all of the pieces of paper are placed in a hat. One number is selected at random. Determine the probability that the number selected is even. Note: 0 is considered an even number. I think

    asked by Jen on July 27, 2011
  23. Help me please

    Find a number that is decreased by 12 when you form half of the number, explain how you got your answer. It reads to me that n/2 + 12 = n multiply each side by two... n+24=2n subtract n from both sides n-n+24 = 2n-n 24=n check it. Take one half of 24, or

    asked by foine lady on August 17, 2005
  24. Bloemhof Gekombineerde Skool

    Twenty cards are numbered from 1 to 20. The cards are shuffled and then placed face down on the table. A card is drawn random. What is the probability that the number on this card is: a) 14 b) an even number c)less than 11 d)divisible by 5 e)a prime number

    asked by Masetshaba on November 4, 2015
  25. algebra

    which relationship can best described as casual? (1)height and intelligence (2)shoe size and running speed (3)number of correct answers on a test and test score (4)number of students in a class and number of students with brown hair

    asked by xmc on January 29, 2010
  26. causal

    which relationship can best described as causal? (1)height and intelligence (2)shoe size and running speed (3)number of correct answers on a test and test score (4)number of students in a class and number of students with brown hair

    asked by xmc on January 30, 2010
  27. Math

    need to describe 3 different problem solving approaches to this problem, one I think is algebra, but don't know how to solve, and i need to say how to solve each one in each different way, please help with this. aaron is thinking of a number, if its

    asked by Miley on January 15, 2014
  28. Child safety- car seat question

    To function properly,children's safety seats and restraints must: 1. be installed correctly and anchored to the vehicle. 2. face the back of the seat. 3. come with a lap belt and shoulder harness. Would number 1 be the best answer? My text says: "Safety

    asked by Belinda on April 17, 2007
  29. chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

    asked by Jordan on November 4, 2016
  30. Chemistry

    write isotpoic symbols of the form X-A (for example, C-13) for each of the following isotopes. **Do I add the number of protons and neutrons together to get the answer? The symbol is easy to figure out.** a) the iodine isotope with 74 neutrons B) the

    asked by Melinda on February 8, 2007
  31. maths

    Tom and peter are friends and each has some money.If Tom gives Rs 30 to Peter,then Peter will have twice the money left with Tom.But if Peter gives Rs 10 to Tom then Tom will have thrice as much as is left with Peter.How much money does each have?

    asked by Richa on May 4, 2015
  32. chemistry

    Criticize the following statements. 1. In an ionic compound, the number of cations is always equal to the number of anions. [Is it ok to say 'not always'?] 2. The molecular formula for strontium bromide is SrBr(sub 2) [what's wrong wih this?] 3. The mass

    asked by Chris on September 25, 2006
  33. Java

    I am supposed to convert a program i already made into a Java console application that uses the Scanner class to read the user's input. This is the code i have that i need to convert. I don't know where to start. Here is the code import

    asked by Thanh on July 14, 2009
  34. physics

    It is known that the possible values for the magnetic quantum number m range between -9 and +9. Determine the orbital quantum number and the smallest possible value of the principle quantum number. l = n =

    asked by MIke on December 1, 2006
  35. chem1 WORD PROBLEM!!

    lead has an atomic number of 82;iron has an atomic number of 26; and copper has an atomic number of 29.how do the charges of the nuclei of these 3 elements compare?

    asked by tyneisha on October 12, 2012
  36. 3rd grade math

    jake has an even number of counters. carlos has an odd number of counters. how many more counters do they need to divide the combined total into an even number of groups?

    asked by mythreyee on December 6, 2012
  37. math

    A number cube with the numbers 1 through 6 is rolled. find the given probability P(number < 2) (1 point) 1/6 2/6 *** 4/6 3/6 2. P(number ≥ 3) (1 point) 4/6 1/6 2/6 5/6 I think it's A .. I'm not quiet sure. please help 3. P(complement of 4) (1 point) 1/6

    asked by anonymous on March 25, 2015
  38. Math--linear systems

    A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in proceeds of $20 000 for the week. The number of

    asked by R on January 6, 2017
  39. math

    The ratio of the number of cats to the number of birds at the shp is 2 : 5. The ratio of the number of birds to the number of birds to the number of rabbits is 1:3. What is the ratio of the number of cats to the number of birds to the number of rabbits. If

    asked by lene on October 11, 2015
  40. 7th grade math - Scientific Notation basics

    1. The area of Greenland is 840,000 square miles. What is this number in scientific notation? 2. What is this number in standard form? 5.75 x 10^9 3. In a recent year the world production of wheat was about 5.2 x 10^8 metric tons. What is this number in

    asked by Delilah on September 27, 2012
  41. 5th grade math

    A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C.

    asked by jamar on January 15, 2014
  42. Pre-algebra

    I can't figure out how to solve: Question #1: Two number cubes are rolled and a coin is tossed. Find the number of possible outcomes. Question #2: What is the probability of winning a lottery game where the winning number is made up of 6 digits from 0-9

    asked by Tyler on December 3, 2009
  43. math

    Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the

    asked by martha on June 6, 2012
  44. 6 grade math

    Please I just need help on the set up teacher wants a guess and check table. Thomas is thinking of a number. If he doubles his number and subtraction 27, the results is 407. Of what number is Thomas thinking?

    asked by Jessica on November 16, 2016
  45. math

    Mr.Jenkin's age is a composite number. The number in the ones place is the product of 2x4. The number in the tens place is the difference of half a dozen from one dozen.How old is Mr. Jenkins?

    asked by Anonymous on August 13, 2013
  46. Algebra

    Kevin has $6.45 in coins in his cash box. The numbers of quarters is one less than twice the number of dimes. The number of nickels is one less than twice the number of quarters. The value of the pennies is the same as the value of the nickels. How many of

    asked by JJ on December 14, 2010
  47. Math

    4x-2=12 represented as a sentence is A two less than four times a number is 12 B four times two less than a number is 12 C four times a number is two less than 12 D four times a number less than two is 12 my answer is d. am I correct?

    asked by ILTHSM_ on November 9, 2018
  48. .....

    What would make this statements False. The opposite of each natural number is a natural number. There is no whole number that has an opposite that is a whole number.

    asked by April on January 25, 2011
  49. English

    What do you take to school? 1. I take the number 2 bus. 2. I take number 2 bus. 3. I take the bus number 2. 4. I take bus number 2. =========== Which one is grammatical and commonly sed?

    asked by rfvv on April 22, 2015
  50. statistics

    SOLVE a smaller number and a larger number add up to 9 and have a difference of 5. Let x be the larger number and y be the smaller number.

    asked by Anonymous on April 12, 2011
  51. Algebra II

    What would make this statements False? The opposite of each natural number is a natural number. There is no whole number that has an opposite that is a whole number.

    asked by April on January 26, 2011
  52. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum

    asked by Annabelle on March 26, 2014
  53. Calculus

    Find two numbers such that the sum of the first plus three times the second is 600 and their product is a maximum. x + 3y=600 xy is a max. This is the problem statement. let U be the function equal to xy. U=xy = y(600-3y) Now, maximize U (take derivative,

    asked by Tezuka on September 30, 2006
  54. checking answers 4 algerbra

    1. simplify by removing the parenthses and collecting like terms. 83q - (39q-38)=44q+38? 2. solve for y---z=ym answer y=z/m? 3. divide if possible -6/"over" 17 divided by (-5/"over"17)=undefined? 4. translate to algerbirc expression the sum of c and n=

    asked by Nashea on November 8, 2009
  55. Algebra

    Four years ago, twice Athena's age was five less than her cousin's age. At present, the age of Athena's cousin is 18 years less than thrice Athena's age. What are their ages now? If Athena's age 4 years ago is x, then her cousin's age 4 years ago is what?

    asked by Rina on December 14, 2016
  56. Math Help!!!

    1. Which of these numbers can be classified as both real and rational? ½ -1.016879413894 Square root of 5 0.89089908999 2. Which is both a real number and an integer? Square root of 7 0.15 -15 1/3 3. Which is an example of an irrational number? Square

    asked by math help asap on November 12, 2014
  57. math

    1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2 C)-15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(-1/4)n-1 A)25 B)80/3 C16 D)does not exist

    asked by Jon on December 12, 2007
  58. math(need 2nd opinion)

    1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2 C)-15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(-1/4)n-1 A)25 B)80/3 C16 D)does not exist

    asked by Jon on December 12, 2007
  59. Math

    Hi I am after some help starting this question. A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in

    asked by G on January 5, 2017
  60. please help

    i need help setting up 2 equations. The sum of the radius,r, times 2 and 3 equals 4 less than the radius,r. The sum of the radius, r, times 13 and 15 equals 16 less than twice the radius,r.

    asked by Sam on April 5, 2017
  61. algebra

    The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.

    asked by PRIDE on February 27, 2008
  62. math

    The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.

    asked by Jas on February 17, 2008
  63. Algebra

    The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.

    asked by Ash on February 25, 2008
  64. Math

    the banks contains quarters , dime and nickels. The number of dimes is 1 less than the number of nickels. The number of nickels is 2 more than twice the number of quarters. The coins are worth $5.70. How many nickels are there?

    asked by curtis on October 30, 2011
  65. math

    Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two factors, 1 and itself. So,

    asked by haylo on October 24, 2006
  66. JAVA PROGRAMMING

    im new to java and this is my first assignment can anyone help me solving it: compile the class final grades, based on the students’ scores obtained in the classwork, mid-term, and final exams. According to the course syllabus, the classwork accounts for

    asked by nadiapop on May 23, 2015
  67. 4th grade math

    solve the following problems using pictures, number or words. At president's inaguration in 1861, the newpaper headlines stated there were about 30,000 people in attendance. If the newpaper rounded to the nearest thousand, what is the largest number and

    asked by Mythreyee on August 30, 2016
  68. Geometry

    I'm so confused on distance formula, I know how to calculate it, but getting the final simplified answer is so confusing. Like so on some equations the final answer is just a regular whole number, others is a number with a square root like 3 -/2, or a

    asked by Please help on November 7, 2017
  69. math

    THE MAXIMUM NUMBER OF CUSTOMERS ARRIVING DURING RANDOMLY CHOSEN 10-MIN INTERVALS IS 5 AT A DRIVE-IN FACILITY SPECIALIZING IN PHOTO DEVELOPMENT AND FILM SALES. IT HAS BEEN FOUND THE NUMBER OF ACTUAL SALES MADE FOLLOWS THE PROBABILITY DISTRIBUTION IN TABLE

    asked by siddhi on May 1, 2012
  70. Chemistry

    Which of the following statements must be True? Check all that apply. The number of Adenines in single-stranded DNA equals the number of Thymines. The number of Guanines in single-stranded DNA equals the number of Adenines. The number of Thymines in

    asked by Alan on November 21, 2013
  71. computer science

    The owner of the super supermarket would like to have a program that computers the monthly gross pay of their employees as well as the employee's net pay. The input for this program is an employee ID number, hourly rate of pay, and number of regular and

    asked by Anonymous on April 25, 2012
  72. Math

    Can someone help me reword these two things? I don't like how I did them but I can't think of anything else. Thanks!! 1. PROMPT: What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a

    asked by cAt.ExE HaS sTopPeD wORkInG on September 25, 2018
  73. Algebra

    a colection of stamps consist of 2 cent stamps, 8 cent stamps, and 14 cent stamps. The number of 2 cent stamps is five more then twice the number of 8 cent stamps.the number of 14 cent stamps is three times the number of 8 cent stamps. The total value of

    asked by Neva on November 22, 2011
  74. math

    Of the 50 state in the united state, 8 states have a population of one million people or fewer.Make a plan and write an addition equation to show that the sum of the state with more than one million people and the states whith one million people or fewer

    asked by Anonymous on November 16, 2011
  75. Math

    Which is a reasonable remainder when a number is divided by 7? a. 8 B. 9 C. 7 D. 5 Be sure to let us know what YOU think, and someone here will give you feedback. =) i think it is c well k. i thaught it was 5 since its under 7 cause all the others are 7 or

    asked by Missy on April 18, 2007
  76. Math

    Find the least and greatest possible original numbers: ROUNDED PLACE is Ten Thousands, ROUNDED NUMBER is 190,000. What is the Least number and the Greatest number?

    asked by Jessie on July 9, 2017
  77. Mystery number

    the mystery number is a two didget even number.it is a multiple os 2,4,5,and 10 but not a multiple os 3 or 7. If you count by sixes there will be two left iver. What is rhe mystery number. Please explaine how you figured it out.

    asked by Kim on September 7, 2011
  78. math

    Ben rolls a standard number cube (sides labeled with numbers 1 through 6). Find the probability that Ben rolls a number greater than 2 or an even number.

    asked by please help...thank you on March 27, 2011
  79. math((PLEASE HELP!))

    If two numbers are written in scientific notation. how can you tell which number is greater? Where on a number line does the value of a positive number in scientific notation with a negative exponent lie?

    asked by Maryam :) on November 27, 2012
  80. Math

    (This is a question where we have to fill in the blank) So: 2 3 5 ? 12 11 16 26 41 ? It's a number sequence question and I need to fill in the ? as well as write a rule in words. PLEASE HELP!(And the top number has to relate with the bottom number)

    asked by Marianne on August 10, 2010
  81. college algebra--please help

    what does Descartes rule of signs tell you about the possible number of positive real number zeros and the possible number of negative real zeros of the function? 1. f(x)=2x^5-5x^2+x-1 2. f(x)=5x^6+7x^4-x-6 please show work

    asked by ladybug on November 19, 2012
  82. math

    Ben rolls a standard number cube (sides labeled with numbers 1 through 6). Find the probability that Ben rolls a number greater than 2 or an even number.

    asked by becca on July 3, 2012
  83. Chemistry

    Does anybody know the principle quantum number of an atom that has s, p, d, f orbitals? I'm pretty sure the number is inbetween 2-4, but I am unsure of how to figure out the principle quantum number just using that information. Thanks in advance!

    asked by Marla on March 9, 2010
  84. Math

    Most natural numbers can be expressed as a sum of two or ore consecutive positive intergers. Find all natural numbers between 1,000 and 10,000 which cannot be expressed as a sum of tow or more consecutive positive intergers.

    asked by Danette on March 23, 2009
  85. Algebra

    Check My answers Please- 1. 3(y + 1) for y = 2 a.6 b.9*** c.7 d.8 2. d + g/h for d = 45, g = 18, and h = 9 a.6*** b.7 c.3 d.4 3.The cost in dollars of a class party is 59 + 13n, where n is the number of people attending. What is the cost for 44 people?

    asked by Abigail on November 8, 2017
  86. PLLZ!PLLZ help with math quick!!!!!

    6.Suppose you have a drawer full of white, black, and yellow pairs of socks. If the probability of picking a white pair of socks is 4/9, and the probability of picking a black pair of socks is 7/18, what is the probability of picking a yellow pair of

    asked by plz plz help, i will fail 7th grade if i fail this on February 6, 2017
  87. math

    Write the number of permutations in factorial form. Then simplify. How many different ways can you and four of your friends sit in the backseat of a limousine? a) 4!; 24 b) 4!; 120 c) 5!; 120 *** d) 5!; 720 Below are the results of tossing a number cube 7

    asked by Constance on February 26, 2016
  88. Stat

    The following data are the number of persons who were waiting in line at a fast food counter at 100 randomly selected times during the week. At the 0.05 level, test whether the population of these values could be Poisson distributed. x = Number Number of

    asked by George on September 2, 2015
  89. math

    the sum of five consecutive numbers is 28 more than the sum of the third and the fifth numbers.find the consecutive numbers

    asked by Anonymous on March 27, 2013
  90. Math

    The sum of the first two terms of an arithmetic series is 15 and the sum of the next two terms is 43. What are the first four terms of the series?

    asked by Alex on September 17, 2014
  91. algebra 2

    1. solve: x^3 =4x 2. solve: (x-3)^2 = -4 3. solve: (6 +5i) ^2 4.Two integers have a sum of -4 The sum of their squares is 40. What are the two integers?

    asked by timmyj on February 12, 2008
  92. math

    The equation y = -1777x+27153 can be used to predict the number y of gun deaths in the United States x years after 20000, that is, x=0 corresponds to 2000, x=3 corresponds to 2003, x=5 corrresponds to 2005 and so on. Predict the number of gun deaths in

    asked by KiKi on March 27, 2010
  93. math

    the perimeter of a triangle is 42 inches. three times the length of the longest side minus the length of the shortest side is 49 inches. the sum of the length of the longest side and twice the sum of both the other side lengths is 65 inches. find the side

    asked by tee on November 4, 2013
  94. math - statistics

    Suppose that the number of insects captured in a trap on different nights is normally distributed with mean 2950 and standard deviation 550. b) Suppose that we change the location of a trap whenever it captures a number of insects that fall in the lowest

    asked by Lindz on November 6, 2006
  95. Physics

    you a resident physician are reading the medical chart o a normal adult female patient carelessly one of the nurses has entered this nurse's suggestion is physically reasonable: (a) the number is 150 and units are kilograms. (b) the number is 4.25 and the

    asked by Nick on October 6, 2009
  96. Math Proof

    Prove that square root of 12 is irrational. **I don't know if I did this correctly PF: By contrapositive, assume sqrt(12) is rational. Then there exist an a,b as integers such that a/b is written in the lowest terms, and sqrt(12)=a/b. Then by squaring both

    asked by Ashley on September 8, 2014
  97. math

    The sum of the reciprocals of two consecutive even integers is 11/60. Find the integers....... 1/n + 1/(n+2) = 11/60 what is the question? the question is, "What is the value of the integers? I will be happy to critique your work. We don't do it for

    asked by Al on February 1, 2007
  98. math(elmntry euclidean geometry)

    The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a

    asked by David on September 6, 2015
  99. another A.P Chemistry Question

    A different rigid 5.00L cylinder contains 0.176mol of NO(g) at 298 k. A 0.176mol sample of 02(g) is added to the cylinder, where a reaction occurs to produce NO2(g) (d) write the balanced equation for the reaction. (e) calculate the total pressure, in atm,

    asked by T-Baby on October 23, 2006
  100. Chemistry

    These are what i used. 0.0375M sodium thiosulphate , 2.5% KI .47.2 ml copper sulphate solution. the average volume of Na2S2O3 is 19.25 cm, i have already calculated the number of moles of thiosulphate which is 7.218 * 10-4 moles of Na2S2O3 and also the

    asked by Sarah on February 26, 2012