1. math

    A game is defined by the rules that two dice are rolled and the  player wins varying amounts depending on the sum of the two dice rolled based  on the following table: Sum 2 3 4 5 6 7 8 9 10 11 12 Winnings $10 $9 $8 $7 $6 $5

    asked by Jenna on December 20, 2016
  2. algebra

    At a pharmacy, customers take a number to reserve their place in line. If the product of the ticket number now being served and the next ticket number to be served is 110, what number is now being served?

    asked by Duran on September 30, 2016
  3. Math 12

    the sum of the first 2 terms of a geometric sequence is 3. the sum of the next 2 terms is 4/3. find the 4 terms of the sequence.

    asked by Serina on January 5, 2011
  4. heeeeeeeeeeeeeelp maths

    How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?

    asked by Anubhav on May 27, 2013
  5. Functions 11: Series and Sequence 2

    The sum of the first two terms of a geometric sequence is 3. The sum of the next two terms is 4/3. Find the first four terms of the sequence.

    asked by lg on January 2, 2013
  6. math plllls heelp

    How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?

    asked by andrew on May 29, 2013
  7. Programming

    Read two numbers from the keyboard Display the menu options as follows: 1 - computes the sum of two numbers. 2 - computes the difference (first minus second). 3 - computes the product of the two numbers. 4 - if the second number is not zero, computes the

    asked by Shawn on October 31, 2012
  8. Math

    In a collection of nickels, dimes, and quarters worth &6.90, the ratio of the number of nickels to dimes is 3:8. The ratio of the number of dimes to quarters is 4:5. Find the number of each type of coin. Use a coin value chart to help. well, 4:5 is the

    asked by Natasha on April 12, 2007
  9. Math

    Rewrite the middle term as the sum of two terms and then factor completely. x2 + 19x + 90 Factor completely. ax – ay + x2 – xy Rewrite the middle term as the sum of two terms and then factor by grouping. x2 + 4x – 12 Complete the following statement.

    asked by Frostie on May 13, 2007
  10. algebra

    a piece of wire that is 58cm long is cut into three pieces. the longest piece is 6cm shorter than the sum of the lengths of the other two pieces. five times the lengths of the shortest piece is 10cm less than the sum of the lengths of the other two pieces.

    asked by ckim on October 22, 2010
  11. Math

    Which verbal expression represents the algebraic expression? (A) 2 times a number minus 6 (B) twice the difference between 6 and a number (C) 6 less than twice a number (D) twice the difference between a number and 6 I think it's A, am I right? Thank You

    asked by Kyle on October 25, 2014
  12. pre algebra

    Ryan is thinking of a number. When he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his original number. What number is Ryan thinking of?

    asked by michelle on January 10, 2014
  13. Math

    In the roulette game, what is the probability of an outcome of: Any odd number Any green number Any number that is red or green Any number that is red and even

    asked by Therese on March 1, 2013
  14. Math

    Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers? So the first two odd numbers are

    asked by Dawn on March 9, 2013
  15. Mathematics

    What are consecutive numbers? -The sum of TWO consecutive whole numbers is 99. What are they? -The sum of THREE consecutive whole numbers is 99. What are they? Can someone please show me if there is working out? (if needed)

    asked by Crissy XD on April 30, 2011
  16. Emily

    1.)Dylan has $2.30 and dimes and nickels The number of dimes exceeds the number of Nichols by five find the number he has a each. 2.) A coin purse contained $4.70 in Nickels and quarters there are 30 Coins in all how many of each kind of there. 3.)

    asked by Anonymous on October 1, 2013
  17. Math

    can you plz check these few answers? (i know im right on the ones not shown) 6.find the side length of a square with an area of 169in squared a.338in b.106in c. 26in**** d.13in 7.this is a.. 0.2333 a.rational number b.integer, rational number****

    asked by ShannonPanda on March 14, 2018
  18. Calculus

    Explain, using the theorems, why the function is continuous at every number in its domain. F(x)= 2x^2-x-3 / x^2 +9 A) F(x) is a polynomial, so it is continuous at every number in its domain. B) F(x) is a rational function, so it is continuous at every

    asked by Maura on February 6, 2013
  19. math

    In 2009, there were 12 million fewer acres of farm land in Arizona than there were in 1980. If the sum of acreage for these two years is 64 million acres, find the number of farm land acres in Arizona for each of these years.

    asked by tee on March 15, 2013
  20. Discrete Structures

    a. Show that in any set of n integers, there is a subset whose sum is divisible by n. b. Show that for any integer n, there is an integer whos digits (in decimal representation) consist of only 0 and 1. I don't think the first can be proved. However, in a

    asked by Lolita Sams on July 2, 2005
  21. differential equation

    i need help understanding this question? can some one tell me what exactly i have to do in it 7. Suppose a student carrying a flu virus returns to an isolated college campus of 1000 students. Determine a differential equation for the number of people x(t)

    asked by javeria on March 28, 2017
  22. Math algebra

    To find the average of a set of test scores we divide the sum of the test scores by the number of test scores. On her first four algebra tests,Paula wests scored 88,92,97,and 96. Write an equation that can be used to determine the grade paula needs to

    asked by Serena on November 10, 2016
  23. MATH

    Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point to the other. The sum of

    asked by Anonymous on September 15, 2009
  24. Math

    There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

    asked by Willow on March 20, 2013
  25. Math

    There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

    asked by Anne on March 20, 2013
  26. MATH

    can we sketch a triangle with 1:2:3 side-length ratio???? Intuitively, no. Think about the angles of the triangle. If the sum of two sides is equal to the length of the last side, then the "triangle" is a straight line. But the question is, when i draw it

    asked by Katrina on September 24, 2006
  27. math

    the sum of two consecutive even integers is at most seven more than half the sum of the next two consecutive even integers

    asked by latiyah on September 26, 2016
  28. Maths

    The sum of the ages of 3 person is 50 years. What will be the sum of their ages after 5 years

    asked by Amy on September 23, 2015
  29. Geo

    Conjecture: The sum of the first 30 odd whole numbers is? Conjecture: The sum of the first 30 even numbers is?

    asked by Skylar on October 3, 2010
  30. MATHEMATICS

    If x>1 find the sum of infinity of x ^2/(x-1)+x+(x-1).... And also find the value of x for the given series TO HAVE THE SUM OF INFINITY

    asked by CHARLES BRONSON on March 6, 2014
  31. Math

    What is the sum of the prime factors of 1260? For example, the sum of the prime factors of 20 is 9.

    asked by Kristen on January 8, 2014
  32. Algebra

    Need help with these: [Can you show me the work for them please, if needed?] 3. Simplify (4x)(-2y) Is the answer -8xy? 5. To which set of numbers does 7.543 belong? a. rational b. irrational c. integer ? 8. Write an algebraic expression for one-half a

    asked by mysterychicken on March 30, 2010
  33. Algebra 2

    Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Find the sum of a finite geometric series. The sides of an equilateral triangle measure 16 inches. The midpoints of the sides of the triangle are

    asked by Aby on January 6, 2016
  34. Computer Science

    1.Write an Assembly program that reads in a number of cents. The program will write out the number of dollars and cents separately. Sample Run: ? 324 3 24 2. Write an Assembly program to read three numbers in from the user, and output BOTH the sum and the

    asked by Ashley on October 13, 2010
  35. programming 2

    Write a program that inputs a word representing a binary number (0s and 1s). First, your program should verify that it is indeed a binary number, that is, the number contains only 0s and 1s. if that is not the case, your program should print a message that

    asked by Andrew on March 22, 2011
  36. Math _Algebra Word Problem

    Please show equation and solve for the following 1. Lyn's age is 8 years less than 15 times the age of her niece Elizabeth. If the sum of their ages is 24, what is Elizabeth's age ( Let e= Elizabeth's age) 2. Bob is renting a canoe for $20, plus $9.75 per

    asked by DMAR on September 24, 2009
  37. calculus

    Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include

    asked by Courtney on November 30, 2011
  38. writing inequalities

    you must have an average score of at least 80 to get a B on your report card. You have scores of 61,70,99, and 70. What is the minimium score you must get on the last test to get a B on your report card? the minimum score you can make and receive an 80 is

    asked by Anonymous on March 18, 2007
  39. DrBobb222 : Chemistry HElp...Please Check

    Standardization of the Sodium Thiosulfate Solution Make up a standard solution of potassium iodate by accurately “weighing by difference” about 0.1 g of KIO3 and placing it in your 100 mL volumetric flask. Fill the flask to mark with distilled water.

    asked by Sara on October 22, 2008
  40. Weighted Average

    We had to do weighted averages in evolution and I'm confused. Please help! We were given allele frequencies which we had to determine heterozygosity from with the equation 2p(1-p); p being allele freq. We had to do this for three different regions. The

    asked by Chelsea on November 25, 2011
  41. Math

    MEDALS WON BY THE OLYMPIC US IN THE OLYMPIC GAMES. TOTAL=2407 GOLD=974 SILVER=772 BRONZE=661 FRACTION FOR GOLD IS 974 OVER 2407 FRACTION FOR SILVER AND BRONZE PUT TOGETHER IS 1433 OVER 2407 HERE IS THE QUESTON!!! LOOK AT THE FRACTON ABOVE. WHAT IS THEIR

    asked by Mackenzie on March 9, 2008
  42. Maths

    An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information: Bond types Projected rate of return Benchmark government 9.1 UK gilts 10.3 Global investment grade (US $) 6.7 Global investment grade

    asked by Sarah on December 8, 2009
  43. Science Help!

    Lisa studied the models of three carbon nuclei shown below. She listed information about the carbon nuclei in a table. Name Carbon 12 number of protons 6 number of neutrons 6. Name Carbon 13 number of protons 6 number of neutrons 7. Name Carbon 14 number

    asked by Callie on November 15, 2014
  44. Stats

    In the game Roulette, a ball spins on a circular wheel that is divided into 38 arcs of equal lenght, numbered 00, 0, 1, 2, ... , 35, 36. The number on the arc on which the ball stops is the outcome of one play of the game. The numbers are also colored as

    asked by tom on July 13, 2017
  45. Statistics

    We are given this table which is Benford law for these questions they are used for filling your taxes: k= p(X=k) 1 0.301 2 0.176 3 0.125 4 0.097 5 0.079 6 0.067 7 0.058 8 0.051 9 0.046 1.) If you select two numbers randomly from any where on your taxes

    asked by Anonymous on March 11, 2013
  46. Business Mathematics

    During the 2011 student's orientation at Unam, it was reported that number of male students who attended the orientation was nine hundred and forty less than four times the number of female students. a) From the statement above, formulate a mathematical

    asked by Ally on April 18, 2011
  47. math

    my number is a multiple of 5, but doesnt end in 5, the prime factorization of my number is a string three numbers, two of the numbers in the prime factorization are the same, my number is bigger than the seventh square number

    asked by Anonymous on October 6, 2010
  48. Problem Solving

    Carl is trying to find a combination. It's written in a riddle. Find 2/3 of the final number, add 16, and this number will equal two times the mystery number. What was the final number of the combination?

    asked by Paul on February 21, 2008
  49. Calculus

    Consider the area between the graphs x+1y=12 and x+8=y2 . This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals Interval a to b f(x)= i put 12-x but it's wrong Interval c to b f(x)= i put

    asked by jasmineT on April 30, 2012
  50. Math check

    1. If LMNO is a parallelogram, and LM=2y-9 and NO=y-2, find the value of 'y'. Does y=7? 2. RSTV is a parallelogram. RT and SV intersect at Q. RQ=5x+1 and QT=3x+15. Find OT. Does QT=7? 3. RATS is a parallelogram. If angle s= (8x) and angle t=(7x) then find

    asked by Anonymous on February 22, 2015
  51. math

    In a game, you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. Then you can move that many spaces on a game board. You draw a card with the numbers 25, 26, 27. Which number should

    asked by Kyle on February 7, 2015
  52. Math

    Which pair has equally likely outcomes? List the letters of the two choices below which have equal probabilities of success, separated by a comma. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). A. drawing a red seven

    asked by Jen on July 26, 2011
  53. probability/stat

    A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the

    asked by rose on February 8, 2009
  54. probability/stat

    A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the

    asked by rose on February 7, 2009
  55. math

    A lottery draws n numbers, values 1-N , from a hopper that replaces the number after it is drawn, i.e. probability of each number appearing remains constant. At the end, the winning number is drawn from the same hopper. What is the probability that the

    asked by rose on February 7, 2009
  56. math

    When Professor Sum was asked by Mr. Little how many students were in his classes, he answered, “All of them study either languages, physics, or not at all. One-half of them study languages only, one-fourth of them study French, one-seventh of them study

    asked by james on December 8, 2009
  57. Brain Teaser

    When Professor Sum was asked by Mr. Little how many students were in his classes, he answered, “All of them study either languages, physics, or not at all. One-half of them study languages only, one-fourth of them study French, one-seventh of them study

    asked by dan on April 15, 2010
  58. math

    Using pennies, nickels, dimes or quarters, determine which kind of coin is in each circle in the answer Colum. First clue: The total value of the four coins is an odd number. Second clue: The sum of the value of the middle 2 coins is 11 cents. Third clue:

    asked by nisrin on January 17, 2014
  59. algorithm

    can someone tell me if this is correct. Write an algorithm that will display the sum for a given number of squares. In other words if the user enters the value 5, then the output should be 1^2 + 2^2 + 3^2 +4^2 + 5^2 = 55. sumsquare integer square integer

    asked by alberto on July 18, 2008
  60. Algebra 2-Probability

    1. What is the theoretical probability of rolling a sum less than 5 using two number cubes? a.1/6 b.1/4 c.1/2 d.3/4 2. Segments parallel to the sides are used to divide a square board 3 ft on each side into 9 equal-size smaller squares. If the board is in

    asked by Nan on September 19, 2011
  61. maths(urgent answer pls)

    1).Find the sum of the n terms of the series Sn=1^2 + 3^2 +5^2+...+(2n-1)^2 2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6) +.... 3) Sum to n terms,the series 1.3.5 + 2.4.6 + 3.5.7 +.

    asked by ben on February 15, 2015
  62. MATHS(sum of series)

    1).Find the sum of the n terms of the series Sn=1^2 + 3^2 +5^2+...+(2n-1)^2 2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6) +.... 3) Sum to n terms,the series 1.3.5 + 2.4.6 + 3.5.7 +..

    asked by ben on February 15, 2015
  63. geometry

    How would you complete the table? number of sides: 3, 4, 5, 6 measure of angle: 60, 90, B, C sum of angle measures:180, A, 540, D a:A = 120º; B = 360º; C = 180º; D = 1080º b:A = 210º; B = 180º; C = 270º; D = 720º c:A = 360º; B = 108º; C = 120º;

    asked by steve on February 22, 2012
  64. ALGEBRA- please help ASAP

    how do i simplify comlex fractions, like this one: ((5/x)-(x/x-1)) / ((x/x+1)+(6/x)) These are strains...you strain. Start with the numerator ((5/x)-(x/x-1)) Multply by x(x-1)/x(x-1) That simplifies it some. Then the denominator: multiply be x(x-1)/x(x-1)

    asked by Anonymous on February 6, 2007
  65. calc and Vectors

    A wire 60 cm long is to be cut into two pieces. One of the pieces will be bent into the shape of a square and the other into the shape of an equilateral triangle. The wire is to be cut in order that the sum of the areas of the square and the triangle is to

    asked by Annie on January 23, 2014
  66. algebra

    Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three times a larger number added to 4 times a smaller number totals 24. When twice the smaller

    asked by Cory on July 9, 2012
  67. Chemistry

    What is used to tell different isotopes of a particular element apart? A. the mass number B. the atomic number C. the number of protons D. the number of electrons A is the answer. After how many half-lives are there equal amounts of parent and daughter

    asked by Derrick on July 20, 2010
  68. FINANCE

    Mooncorp Insurance has quoted you an annual premium to insure your car of $3100. You are offered a 15% discount if you pay the lump sum immediately. They also offer an alternative payment method. You can pay the account in full by making 12 equal beginning

    asked by Anonymous on March 27, 2014
  69. Statistics

    Which of the following is an accurate description of Simpson's paradox? When groups of data are aggregated, an association can get stronger because of a confounding variable. That confounding variable is usually the number of observations in different

    asked by Anonymous on February 19, 2013
  70. Biology

    1. Meiosis occurs during the production of gametes_______ within the sex organs. It is a type of division that reduces the chromosome number from the _____ number to the _______ number. 2.The _______pairs of chromosomes are called________. During meiosis

    asked by Roderick on January 24, 2008
  71. Algebra

    1.An experiment consists of rolling two dice and the sum of faces is observed. How many observations are there (i.e. the possible outcomes)? 2. A bowl contains 10 red balls and 8 blue balls. If five balls are to be drawn, determine the number of ways that

    asked by Miguel on March 12, 2016
  72. Math

    A game consists of drawing a number from 1-20. A player wins if the number drawn is either a prime number or a perfect square. What is the probability of winning the game?

    asked by Jary on March 19, 2016
  73. Math

    A game consists of drawing a number from 1-20. A player wins if the number drawn is either a prime number or a perfect square. What is the probability of winning the game?

    asked by k on March 19, 2016
  74. math

    number is greater than 50 and less than 100. you can make exactly 5 different rectangles with a mystery numbers of tiles. its prime factorization consists of only one prime number. whats my number

    asked by Anonymous on January 24, 2011
  75. math

    Conduct an interview to find out how someone else responds to the question, “Why is a negative number times a negative number a positive number?” Write a report describing your findings.

    asked by kelly on April 11, 2010
  76. Science

    The maximum number of electrons in the second energy level of an atom is ____. two four eight ten The number of _____ is equal to the atomic number. protons neutrons electrons both a and c

    asked by Raelyn on March 7, 2013
  77. math

    Jon makes a bar graph that shows the number of dogs owned by members of his class. if the smallest number is 1 and the largest number is 4; what interval should Jon use?

    asked by Erika on September 23, 2013
  78. math157

    How many three-symbol codes (letter-number-number) can be made from the letters S, P, Y and two digits from the set {0, 1, 2, …,9} without repetition? I think I am suppose to match each letter with a number until I exhaust all possibilities but I am not

    asked by Tami on August 14, 2010
  79. math

    jon makes a bar graph that shows the number of dogs owned by members of his class. if the smallest number is 1 and the largest number is 4 what interval should jon use?

    asked by mia on October 7, 2013
  80. Science

    3 resistors having the same resistance value are wired in parallel, how does the equivalent resistance compare to the resistance value of a single resistor? 1) The equivalent resistance is thrice the value of a single resistor. 2) The equivalent resistance

    asked by Skylar on August 4, 2014
  81. math!!

    1. 2(y+1)= for y =2 a. 6 b. 5 c. 7 d. 8 2. d+g ------ for d = 35, g = 19, and h=6 h a. 9 b. 2.7 c. 7.3 d. 8 3.The cost in dollars of a class party is 59 + 13n is the number of people attending. What is the cost of 44 people? a.$116 b.$587 c.$767 d.$631

    asked by Help me!!please on October 27, 2018
  82. Algebra

    You playing a board game. All even numbers are positive, and all odd numbers are negative.a positive number indicates forward movement and a negative number indicates backward movement. During your last 10 turns you have gone back 90 spaces.if you spun the

    asked by Kaito on August 30, 2018
  83. algebra

    First person 3/8% of sun money and second person 3/8%=first person -sum money. And first person -second person=36 so find sum monex?

    asked by Vishal on March 9, 2012
  84. Algebra

    The sum of Eric and Bob's weights is 9 times greater than the difference of their weights. The positive difference of their weights is also 240 pounds less than the sum. If Eric weighs less than Bob, find Bob's weight. I am not sure at all how to solve

    asked by Rachelle on February 17, 2009
  85. Pre-Algebra

    These are 2 problems that I'm stuck on; I know the answers to them but I just don't know how to find that answer. Can someone please help? 1. The probability that the Lions football team will win the next game is 0.6. What are the odds that it'll win? Ans-

    asked by mysterychicken on June 29, 2009
  86. MATH CHALLEGE

    I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number?

    asked by PLEASE HELP on November 1, 2011
  87. Program Logic Design

    create a flowchart that shows the logic for a program that generates a random number; then ask the user to think of a number between 1 and 10. The display then randomly generated number so the user can see whether his or her guess was accurate.

    asked by Sonya on October 19, 2012
  88. statistics

    Which of the following situations can be best modeled using a continuous distribution? a) Number of heads in 10 flips of coin. b) Number of customers/hr. c) Time between arrivals of two customers. d) Yes or no answer. e) Number of product defects/hr.

    asked by Trasie on November 9, 2012
  89. statistics

    5. Consider the probabilities in problem 4. The probability that a randomly selected single book purchase will not be for a work of fiction is (a) 0.80 (b) 0.25 (c) 0.20 (d) 0.30 (e) 0.75 6. Two dice are rolled. Suppose A is the event the sum of the

    asked by meri on June 30, 2015
  90. math

    Write a variable expression for each word phrase. 1. two times the number of windows 2. 81 increased by n 3.eleven more than a number $15 times the number of hours

    asked by john on January 24, 2013
  91. jefferson ore

    Using digits 1-9to build following numbers largest even number,largest number with 8 in millions place, smallest number .don't understand how to do this

    asked by tina on October 14, 2015
  92. Math- Mixed Numbers

    1. White 17/4 as a mixed number. Hi, could someone please explain how to do this? Correct me if I’m wrong but do I try to multiply 4 x how many times I can before it goes to 17 and the number I get is the whole number and the newmerator is the numbers

    asked by Ruby on October 7, 2015
  93. chemistry

    1.what is meant by atomic number of an element? 2.the mass number of an element is 18,it contains 7 electrons.what is the number of protons and neutrons in it?what is the atomic number of the element? 3.an element has an atomic number of 11 and its mass

    asked by pooja on May 5, 2012
  94. factorization

    In a game, you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. Then you can move that many spaces on a game board. You draw a card with the numbers 25, 26, 27. Which number should

    asked by kymy on February 7, 2015
  95. statistics

    8. The number of murders and rapes from 1981—1987 in Cambridge, MA, U.S. is given. Table 4.29 Murder (x) 3 4 7 6 0 4 2 Rape (y) 28 30 37 31 27 31 36 a) Find the regression line equation. 32.4+4.7murder b) Compute the linear correlation coefficient 7.8 c)

    asked by Hayley on November 30, 2018
  96. Calculus

    The problem with these two questions is that I cannot determine the a and r. The 3rd question-I don't know what I did wrong. Thanks for the help! Tell whether the series converges or diverges. If it converges, give its sum. infinity (sigma) sin^n (pi/4 + n

    asked by Anonymous on February 23, 2008
  97. Intermediate algebra

    The number of trout in America, since 1970, is given by the following: y = x2 + 3x + 2 Where x is the number of years and y is the number of trout in the millions. What is the number of trout in the years 1975, 1980, and 1985? Describe the trend of the

    asked by Jennifer on December 14, 2011
  98. Frequency Distribution

    The manager of a retail store counted the number of sales each hour during a 60-hour week. The frequency distribution is given below . Find the average number of sales during an hour Number of sales during hour Number of occurrences 6 25 7 20 8 10 9 0 10 5

    asked by Denise on June 11, 2015
  99. Precalculus - check answer

    The rate of U.S. per capita sales of bottled water for the period 2000-2010 could be approximated by s(t) = −0.18t2 + 3t + 15 gallons per year (0 ≤ t ≤ 10), where t is time in years since the start of 2000. Use a Riemann sum with n = 5 to estimate

    asked by Amanda on April 29, 2017
  100. chemistry

    Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? A. Magnesium has a 22 oxidation number and chlorine has 1+ oxidation number. B. Magnesium has 1+ oxidation number and chlorine has a 12 oxidation number. C.

    asked by Yui on August 24, 2014