1. capt math

    to convert from ounces to pounds, you can multiply the nymber of ounces by 0.0625. express 0.0625 in scientific notation. : can you please help me express it. thanks

    asked by sasha on September 5, 2010
  2. French

    Could you please check these thanks. Directions: Use with only the d form(de la, de l' des, or du) Au marché, Jean-Marc achète (1)------- pain, (2)------- jambon, (3) ------- fromage, (4)-------- fraises et (5)------- crème. Il va préparer (6)------

    asked by Lady Gaga fan on March 25, 2009
  3. Algebra

    A ball was thrown into the air with an initial velocity of 72ft per second. The height of the ball after t seconds is represented by the equation h=72t-16². The graph of the function is shown to the right. It says to describe the dependent variable for

    asked by John on January 21, 2016
  4. math

    please help 5*10(-8 is a power for the ten) That would be 0.00000005 (seven zeroes after the decimal point) in decimal form. Do you have some other question about that number? Most of us would prefer you write that number as 5*10^-8 when typing

    asked by angel on November 24, 2006
  5. biology

    You need a 5 microgram glucose/ml aqueous solution, but the lab balance is accurate to only 0.01g (ie., it displays 2 digits to the right of the decimal point) Describe 2 methods by which you could accurately prepare this solution using the lab balance. I

    asked by alex on September 4, 2013
  6. Algebra 2

    1. Find the midpoint and the distance between the points (8,–6) and (13, 4). 1. (4, –3), 10 units 2. 3. 4. (10, –1), 9 units 2. Find the vertex and the focus of the parabola with the equation 4y = x2 – 12x + 52. 1. V(6, 4), F(6, 5) 2. V(6, 4), F(7,

    asked by Ben on June 4, 2011
  7. Precalculus

    Find the roots of the following quadratic equations by factoring. y=x^2+9x-36 I got (x+12)(x-3) but on the answer key it says that the answer is this, however it renames the x values with opposite values. For example, the answer on the review for it has my

    asked by Zane on September 29, 2014
  8. willimington

    Draw two ER diagrams for the enterprise described below: one using standard (Chen) notation (that one is hw #2), and one using ordered pair (Merise) notation (this one being hw #3). Indicate clearly which is which. Remember to indicate keys and

    asked by virenndra on September 3, 2016
  9. English

    Can some one check these? Sentence structures ; 1. In the bitter cold, (he, him) and Dad struggled to save the orange crop. My answer: Him 2. (Her and me, She and I) have joined the Shutter and Lens. My answer: she and I 3. Phil showed Danny and (I, me)

    asked by Victoria on December 11, 2012
  10. 3rd grade math

    Carl shades a row on a multiplication table. The products in the row are all even. The ones digits in the products repeat 0,4,8,2,6. What row does Carl shade? Now I am awful at math and don't even begin to understand this question!! Please help

    asked by Mel D on November 18, 2014
  11. math

    a company purchased a lathe with a useful life of 4 years and a salavage value of $5,000.00 if the lathe cost $45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be $12,000.00

    asked by unknown on November 5, 2008
  12. math please help

    a company purchased a lathe with a useful life of 4 years and a salavage value of $5,000.00 if the lathe cost $45,000.00 what is the lathes first year depreciation using the sum-of-the years digits method? would it be $12,000.00

    asked by unknown on November 5, 2008
  13. 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
  14. Calculus 2 (Series)

    Can anyone help me start this problem from beginning to end, along with explanations on how to go about the problem for a better understanding how to do this series problem? 1) Find the values of p for which the series is convergent. Summation notation

    asked by Sena on April 6, 2015
  15. calculus

    Find the linearization of the function below at x = π/3.? y=sin(x)/x Your answer should be a linear function of x where the coefficients are accurate to at least two decimal places. You can enter π in your answer as "pi" (without the quotes). I am not

    asked by john on October 14, 2010
  16. calculus

    Find the linearization of the function below at x = π/3.? y=sin(x)/x Your answer should be a linear function of x where the coefficients are accurate to at least two decimal places. You can enter π in your answer as "pi" (without the quotes). I am not

    asked by Vick on October 14, 2010
  17. Algebra

    this isn't the same question as my last post!! it's the second out of three. Hello! I'm looking over one of my tests and trying to see how to do things I got wrong, but I'm having trouble with three of the questions. Here's one of them: Find the simplified

    asked by Alice on March 17, 2018
  18. math

    Nicole made a pattern with numbers. 27 81 243 729 ? Which statement about the next number in the pattern is true? A.The number has 3 digits B.The number is greater than 2000 C.The number is less than 1500 D.The number is an even number A?

    asked by ♫♫Colton♫♫ on May 21, 2012
  19. Math (Complex Numbers)

    Let N be the sum of all prime powers that can be written as 4^n+n^4 for some positive integer n. What are the last 3 digits of N? Details and assumptions: A prime power is a number of the form pk, where p is a prime and k is a positive integer. Examples:

    asked by Mahler on May 9, 2013
  20. Math

    Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the set of digits 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. Determine the probabilities of drawing one slip, what is P

    asked by Anonymous on November 4, 2009
  21. Math

    1. 1-(-3) = A. -4 B. - 2 C.2 D. 4 (MY ANSWER) 2. -9 - 2 = A. -11 (MY ANSWER) B. -7 C. 7 D. 11 3. -9 - 2 A. -14 (MY ANSWER) B. -4 C.4 D. 14 4. -64 - (-83) = A. -147 B. - 19 C. 19 (MY ANSWER) D. 29 5. the balance listed on kims bank statement was $65 in

    asked by LOVE on August 15, 2016
  22. Algebra

    In 2004, about 233 million people in the US were aged 14 or older. They consumed, on average, 2.23 gallons of alcohol per person. Use scientific notation to estimate the total number of gallons of alcohol consumed by this age group. What is the formula for

    asked by Anonymous on March 12, 2012
  23. probability

    This figure below describes the joint PDF of the random variables X and Y. These random variables take values over the unit disk. Over the upper half of the disk (i.e., when y>0), the value of the joint PDF is 3a, and over the lower half of the disk (i.e.,

    asked by anonymous on December 8, 2017
  24. math

    Ahmad is choosing a password to access his teacher’s web page. He must choose a capital letter and three nonrepeating digits from 0 through 9. The letter can be in any position in the password. Which shows part of the sample space for Ahmad’s password?

    asked by bla on July 15, 2015
  25. MATH 157

    Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the digits from the set 0 through 9 and 26 slips each contain one of the 26 capital letters of the alphabet. If one slip is drawn at random, what is

    asked by Tyga on March 29, 2010
  26. math

    Consider a bowl containing 36 different slips of paper. Ten of the slips of paper contain one of the set of digits 0 through 9 and 26 slips contain one of the 26 letters of the alphabet. Determine the probability of drawing one slip, what is P (even number

    asked by m on November 22, 2010
  27. Math ~ decamals

    $7.56 $8.31 +$0.28 My Answer: $16.15 643.0 2.05 10.4 +3.798 My Answer: 659, 248 296 ÷ 0.08 = 3,700(My Answer) 0.6 ÷ 0.48 = 1.25(My Answer)

    asked by Mr. Skill's101.4 on August 22, 2018
  28. ALGEBRA! URGENT. Check Answers!

    1. 18x^2 + 6 + 4x - 15x^2 - 4 + 13x Answer: 3x^2 + 17x + 2 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 Answer: -x^2 + 3x + 15 3. 3x^2 + 5x - 7x + 3 - 5x^2 + 2 Answer: -2x^2 + 2x + 5 4. In the expression -7x - 3x^2 + 5. What is the coefficient of x? Answer: I think

    asked by Claire on May 27, 2014
  29. math check

    Peform each indicated operation and simplify. Can you please check my answers. Thank you. A)(x^2+2x-3)+ (2x^2-x+1) Answer: 3x^2+x-2 B) (-x^3+2x^2-5)+(x^2-x+6) Answer:-x^3+3x^2-x+1 C) (3y^2-x+7)-(y^2-2x+3) Answer:4y^2-3x+10 D)(2x^2-xy+y^2)-(-3x^2+xy+y^2)

    asked by Lauren on April 14, 2010
  30. Language Arts

    Directions: Circle the correct form of negative to complete each sentence. 1. I decided that there wasn't (no, any) point in finishing the project. Answer: Circle any 2. I could name (none, any) of the singers we heard. Answer: Circle any 3. The woman left

    asked by Patrick on March 2, 2016
  31. Quadratic Functions2

    Determine the standard form of a quadratic function whose graph has a y intercept of 8 and a vertex at (-2,-4). The answer is f(x)= 3x^2 + 12x +8 but I can't figure out how to get the answer. Solve x^2 + x=6, by factoring. The answer is x=-3,2 but I can't

    asked by Heaven on June 1, 2016
  32. English

    Need to decide which form is needed:present participle, past, past participle of each verb in parentheses. 1. Nora (see) the toy exhibit at the museum. ANSWER=Seen 2. People (speak) French in parts of Canada. ANSWER=spoke 3. That character has (say) "Good

    asked by Ann on April 3, 2011
  33. Algebra/Math

    Can you check these for me. Directions: Find the slope of the line that passes through each pair of points. 1. (3,-8) and (-5,2) Answer: -10/8 2. (-10,-3) and (7,2) Answer: -5,-17 3. (-7,-6) and (3,-6) Answer: 9 4. (8,2) and (8,-1) Answer: 0 undefined

    asked by Karen on October 17, 2010
  34. Probability

    A binary communication system is used to send one of two messages: (i) message A is sent with probability 2/3, and consists of an infinite sequence of zeroes, (ii) message B is sent with probability 1/3, and consists of an infinite sequence of ones. The

    asked by John on March 6, 2015
  35. physics

    Three displacement vectors of a croquet ball are shown in figure below, where |A| = 20.0 units, |B| = 40.0 units, and |C| = 30.0 units. Calculate (a) the resultant in unit-vector notation and (b) the magnitude and direction of the resultant displacement

    asked by Benn on May 23, 2011
  36. Math

    Mr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all

    asked by mikil on August 28, 2013
  37. Science.

    An atom of uranium-235 has a mass 235.043924 amu (atomic mass units). Using scientific notation, state the mass in amu of ten million such atoms.

    asked by Jeremy on August 21, 2012
  38. math help!

    Mr. Science has a pair of hamsters. The hamsters have 2 babies. Those babies grow up and have 2 babies of their own. Write the number of baby hamsters from the previous day as a numeral expression using exponential notation. How many babies are there all

    asked by mikil on August 28, 2013
  39. physical

    three displacement vectors of a croquet ball are shown in figure p3.49, where |a| = 20.0 units, |b| = 40.0 units, and |c| = 30.0 units. find (a) the resultant in unit–vector notation and (b) the magnitude and direction of the resultant displacement

    asked by Anonymous on March 12, 2011
  40. Physics

    The tension on a string from which a 5.00kg object is suspended in an elevator is T=(44.0j)N. What is the acceleration of the elevator? Specify the acceleration in unit vector notation. T - Mg = M a with positive force upward. a = T/m - g = 8.8 - 9.8 =

    asked by Sabrina on February 20, 2007
  41. statistics

    14. Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual

    asked by rick on September 18, 2010
  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

    A certain type of combination lock has 3 dials: the first 2 dials each have settings for all the digits 0 through 9 and the third has settings for all the 26 capital letters of the alphabet. A combination consists of one setting from each of the dials. How

    asked by noorie on April 2, 2012
  44. math

    Find the value of the missing digit that makes the statement true. 214,21_ is divisible by 11 Determine whether the statement is true or false. Why? If a natural number is divisible by 5 and 2, then it must also be divisible by 10.

    asked by anonymous on March 19, 2011
  45. java.please help

    Write a Java program that prompts the user for a string. If the string entered by the user does not start with Hello and does not end with a digit, print incorrect and re-prompt the user. Otherwise, print Thank you.

    asked by De on October 8, 2014
  46. Algebra word problem

    There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest

    asked by Linda on October 5, 2011
  47. algebra

    Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. 2x – y = 4 5x – y = 13 I do not understand how to do this

    asked by Patte on June 13, 2014
  48. Algebra

    Each of the following temperature ranges is in degrees Fahrenheit. Use the formula F=9/5C+32 to find the corresponding temperature range in degrees Celsius (using interval notation and assume inclusion). a. below 32 degrees b. above 122 degrees c. below 5

    asked by Anonymous on September 2, 2018
  49. algebra

    Solve each system graphically. If a system has an infinite number of solutions, use set builder notation to write the solution set. If a system has no solution, state this. x + y = 6 x - y = 4 I'm lost, Please Help!! Thank you

    asked by slomo on February 3, 2015
  50. MATH

    SANTA WAS NUMBERING THE PAGES OF HIS ORDER BOOK. HE WROTE 690 DIGITS. HOW MANY PAGES WERE IN HIS ORDER BOOK?

    asked by NICK on December 14, 2011
  51. General Education Statistics | MAT112

    There are many ways people can invest their money. In mutual funds, the investor buys shares in a fund that buys investment instruments for the investor, commonly stocks, bonds, or fixed instrument investments. Investment fund managers commonly advertise

    asked by Tanya on July 30, 2011
  52. home work

    how i know the number of digits in each number

    asked by jjo on August 23, 2013
  53. math

    Suppose a code consist of two letters followed by a digit. Find the number of (a) Codes (b) Codes with distinct letters (c) Codes with the same letters

    asked by manny on September 4, 2007
  54. math

    Suppose a code consist of two letters followed by a digit. Find the number of (a) Codes (b) Codes with distinct letters (c) Codes with the same letters.

    asked by sweety on September 7, 2007
  55. maths

    what is 45,429,444 to the nearest hundred-thousand? Hundred thousand digit... XX,YXX,XXX so would it be 454 hundred thousand?

    asked by meisha on March 23, 2007
  56. Math

    each "word" in a special code is a three digit number. if no word in the code can begin with a 1 or 0, what is the greatest number of different words the code can contain? 28 512 800 900 1000

    asked by Anon on July 25, 2013
  57. chemistry

    calculate number of atoms in 4.67 mol of Ca(NO3)2 I got: 2.81 X 10^24 C atoms or should it be 28.11 x 10^23 C atoms? 5.62 X 10^24 N atoms or should it be 9.34 x 10^23 N atoms? 1.69 x 10^25 O atoms....but are you allowed to do ^25 or should it be 168.7 X

    asked by Sarah on May 23, 2008
  58. Algebra

    Help!! I am having difficulty with a problem for hours now and if I could get some help, my head might stop pounding.Solve each system graphically. if a system has an infinite number of solutions, use set builder notation to write the solution set. If a

    asked by slomo on January 2, 2015
  59. Algebra help please!

    solve each system graphically. if a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. y = 2 - x 2x + 2y = 4

    asked by slomo on January 11, 2015
  60. Algebra

    (3*10 to the second power)(1.5*10 the the negative fifth power) SCIENTIFIC NOTATION: 4.5*10 to the negative third power My question is what is the standard form I got 4500 but if I look closely at the problem I don't think that's possible please tell me if

    asked by Jenny on September 5, 2007
  61. geometry

    A crate is 7ft. Wide 7ft. Deep and 7ft. Tall write the measurements of the crate in exponential notation, standard form, and expanded form

    asked by Ana on April 8, 2015
  62. math

    A crate is 7ft. Wide 7ft. Deep and 7ft. Tall write the measurements of the crate in exponential notation, standard form, and expanded form

    asked by Ana on April 8, 2015
  63. Math

    A 4-digit number rounded to the nearest ten is 2,470. Rounded to the nearest hundred, it is 2,500. What is the number?

    asked by Kaylie on September 14, 2009
  64. math

    This is for Ms. Sue ! 0.002,1/4,0.20,1/5 my answer 1/5 and 0.20 7/20,6/20,3.5,0.35 my answer 3.5 0.008,0.08,2/25,1/12 my answer 0.08 14%,1/8 , 0.065, 0.03 0.065, 0.03,1/8 , 14% 0.03, 0.065, 1/8 , 14%, my answer C 0.03, 0.065, 14%, 1/8 7/14,2/5 , 32%, 0.25

    asked by Anonymous on January 21, 2013
  65. bobpursley, drwls. ms. sue Writeacher

    When a second post is made to a question, the most recent is now at the bottom. Do any of you prefer the way it was, or do you like this better? I prefer to have the answers shown in the order they were posted. The second answer may clarify or add

    asked by Lance on June 16, 2005
  66. Editing

    I have an ISU project due tomorrow. Could someone please edit this article on Vimy Ridge for me. Please and thanks. The Battle of Vimy Ridge commenced at dawn on April 9, 1917, when all four divisions of the Canadian Corps attacked Vimy Ridge above the

    asked by Gina on October 11, 2007
  67. Math

    Topic: use function notation to evaluate equations. Evaluate the given equations for the indicated function values The questions I need help with; f(n)=5^n f(2)= f(3)= and f(n)=-n f(9)= f(-11)= Please, explain & help me :(

    asked by Please, help me. on September 7, 2017
  68. chemistry

    what is the net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte. NaCH3COO(aq)+HNO3(aq)----->NaNO3(aq)+CHOOH(aq) the same question says use H+ for the hydronium ion, CH3OOH for acetic acid and

    asked by Kay on March 1, 2014
  69. French

    Can you check these. I'm not really sure how to do these so I need a little help and examples. Part 1: Des promoms interrogatifs et relatifs Complétez en utilisant qu'est-ce qui ou qu'est-ce que. 1. ---------- se passe? Answer: Qu'est-ce qui 2.

    asked by Missy on September 19, 2010
  70. Financial Literacy

    Terry and Sandra both found the sum of two 4-digit numbers, but their results were not the same. If Terry made an error of addition by one in the thousands column and Sandra's result was correct, what was the difference between the larger result and the

    asked by Tifini on May 15, 2013
  71. chemistry

    An undesirable consequence of welding steel by acetylene torch is the rise in hydrogen concentration in the metal. That hydrogen contamination embrittles the steel. The metal is typically subjected to a vacuum heat treatment to restore ductility. A steel

    asked by lisa on December 7, 2012
  72. Chemistry

    An undesirable consequence of welding steel by acetylene torch is the rise in hydrogen concentration in the metal. That hydrogen contamination embrittles the steel. The metal is typically subjected to a vacuum heat treatment to restore ductility. A steel

    asked by Andrea on December 6, 2012
  73. math

    how to right this in scientific in scientific notation. (2.74×10^7)+(5.6×10^7)=

    asked by Gina-helen on March 14, 2016
  74. French

    Could you check these answers also thanks so much and god bless. Directions: Indicate whether each item of clothing is for a man, woman, or for either. 1. un blouson Answer: Les deux 2. Un chemisier Answer: Les deux 3. Un pantalon Answer: Les deux 4. Une

    asked by Cupcakes (YUM) on April 20, 2009
  75. Algebra

    Could someone correct my answers and help with the other problems? 1. Are the following lines parallel, perpendicular, or neither? L1 with equation x – 5y = 10, L2 with equation 5x + y = 5. Answer: Neither (I'm not to sure but i think this is the right

    asked by Timm on May 27, 2007
  76. math test

    Hi! I have a math test coming up tomorrow, and I need to prepare. but,i don't know how I should. . . any help would be great. she told us to: Be prepared to identify and explain functions, linear functions and proportional functions. Be prepared to use the

    asked by Keon on October 11, 2007
  77. Math

    Solve the given equation in the interval [0,2 pi]. Note: The answer must be written as a multiple of pi. Give exact answers. Do not use decimal numbers. The answer must an integer or a fraction. Note that pi is already provided with the answer so you just

    asked by Bryan on November 30, 2007
  78. Algebra

    1) what is the equation for the line that passes through the point (-3,5) and has a slope of -3 ? 2)the formula for the perimeter of a rectangle is P = 2(l+w). If the width of a rectangle is half its length. how many times its length is its perimeter?

    asked by anonymous on March 18, 2011
  79. Math

    My seven year old was set this question and I was asked to solve. Help please. Here is the question: My number has 5 tens. The ones digit is less than the tens. What could the number be? My solution was 5 x 10 = 50. Then subtract 1 from the tens = 49 is

    asked by Gary on October 9, 2016
  80. Data managment math

    1:There are 7 seats in the family new van. if 4 of the 7 family members can drive,how many possible seating arrengements are there for a family trip in the van? 2:How many even five digit numbers can be formed using only the numbers through 1 and 7?

    asked by Samir on January 21, 2008
  81. MATH

    if f (x) is a polynomial of degree 3 whose roots are p,q,r. FIND f (3) if sum of cubes of roots is 0 and sum of squares of roots and sum of roots are unit digit of 3^2018 and 5^50666666666 respectively?

    asked by Dubanhs on May 26, 2018
  82. Math - vectors

    In the product F(vector)=q(V(vector)xB(vector), take q = 4, V(vector)= 2.0i + 4.0j + 6.0k and F(vector)= 136i -176j + 72k. What then is B(vector) in unit-vector notation if Bx = By?

    asked by sam on March 28, 2007
  83. Math Help? Check my answers.

    1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial? 6x^4 + 3x^3 - 2x^2 + 15x - 14 5 4 3 2 3. In the expression -7x - 5x^2 + 5, what is the coefficient of x? 7 5 -5 -7

    asked by Lydia on May 19, 2014
  84. Algebra

    1. Evaluate. (8 – 3) (12 ÷ 2 • 2) – 20 Answer: I'm not sure if its -5 or 40 2. 6x – 7 = 5(x – 2) Answer: -3 3. Solve for y. 3x – 2y = 12 Answer: 3x-12/2 4. Solve. –3(x – 3) + 8(x – 3) = x – 9 Answer: 1 1/2 or 1.5 5. Find the slope of

    asked by Loreal on December 23, 2007
  85. math

    A random digit dialing phone survey asked, how many of the last ten traffic lights you drove through were red. Of 880 respondents, 171 admitted at least one light had been red. What is likely direction of the bias: More or fewer than 171 really ran a red

    asked by anonymous on March 31, 2013
  86. Physics - Question

    A ball of 250g hits the floor at a velocity of 2,50 m/s at an angle of 70* relative to the vertical. The vertical force in function with time between the floor and the ball is: from 0 to 50 N : from 0 to 1 sec. from 50 N to 100 N : from 1 to 2 sec.

    asked by Raf on February 7, 2012
  87. Math

    mystery numberis an even number. the number is greater than 30 and less than 50, the sum of the digits is 6. what is the mystery number?

    asked by Kaidyn on November 10, 2014
  88. Math

    When you add the number of rows in my array to the number in each row, you get 15. My digits add up to 9. Which number am I?

    asked by Joshua on December 4, 2012
  89. Math

    DJ was thinking of a number. He said it had 2 digits, it ended in 5, and the number in the tens place was a 4. What number was he thinking of?

    asked by Roger on March 23, 2017
  90. algebra,math

    is there a good website where describes the importance of function notations. http://www.cut-the-knot.org/do_you_know/FunctionMain.shtml After reading the website it gives me the definition of function notations. Although what is important about function

    asked by jasmine20 on January 29, 2007
  91. ASAP!!!!

    What foods commonly contain carboxylic acids? Why are carboxylic acids soluble (miscible) in water carboxylic acid: C6H5COOH. Sodium benzoate, the sodium salt of benzoic acid is used as a food preservative Oxalic acid containing foods The root and leaves

    asked by nicole! on June 23, 2006
  92. Discrete Mathematics

    Most versions of Pascal allow variable names to consist of eight letters or digits with the requirement that the first character must be a letter. How many eight-character variable names are possible? I know that there are 2^7 ways to arrange letters and

    asked by David on March 10, 2018
  93. math

    When two digits of thbase 10 representation of an inteer are intercharged, the diference bewen the old number and the new number is divisible by 9. Why? What happens in other bases? 10A + B - 10B -A= difference. This reduces to 9A - 9B 9(A-b)= difference.

    asked by tan on January 20, 2007
  94. Math

    Abelardo wants to create several different 7-character screen names. He wants to use arrangements of the first 3 letters of his first name(abe, followed by arrangements of 4 digits in 1984, the year of his birth. How many different screen names can he

    asked by Minatsu on April 15, 2012
  95. Algebra 2

    Abelardo wants to create several different 7-character screen names. He wants to use arrangements of the first 3 letters of his first name(abe, followed by arrangements of 4 digits in 1984, the year of his birth. How many different screen names can he

    asked by Tom on April 16, 2012
  96. Chem Titration and pH

    Calculate the pH at 0mL, 5mL,...40mL for a 10.0mL aliquote of 0.100M Na3AsO4 (weak base) titrated with 0.100M HCl pKa1 = 2.25 pKa2 = 6.77 pKa3 = 11.60 Thank you First you should write equations to know where we are in the titration. At the beginning, we

    asked by julie on October 7, 2006
  97. Algebra 2/Math

    Can you check these thanks. Solve the system by substitution or elimination. 2x+y=1 3x-y=14 Answer: (3,5) x-3y= -12 2x + 11y= -7 Answer: (39,17) 4x+2y=8 12x+6y=24 Answer: no solution 4x-2y=5 2x-y= -1 Answer: no solution 4a+3b =6 8a-b= -9 Answer: no

    asked by Karen on November 20, 2010
  98. Math(Please check answers)

    1) Solve the equation: 15(7x-6) = 3x-5 My answer is (-85/108) 2) Mary and her brother collect coins. Mary has 4 times the number of coins that her brother has. Together they have 175 coins. How many does Mary have? My answer is 140 3) Perform the indicated

    asked by Hannah on September 5, 2010
  99. math

    Mary's birthday is between June 13 and June 23. The date of her birthday is not an even number. The sum of the digits is 3. When is Mary's birthday? explain how you figure the problem

    asked by Shonda on August 26, 2009
  100. number theory

    How do you prove that any palindrome, a number that reads the same backwards and forwards, with an even number of digits is divisible by 11? I know how to show a number is divisible by 11, but how do you prove the above case?

    asked by Laura on April 19, 2009

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