1. Advanced Math

    1.Tasha believes that she can rewrite the difference 120-36 as a product of the GCF of the two numbers and another difference.Is she correct?Explain your answer. 2.Explain how to find the GCF of three numbers 3.Xiao's teacher asked him to rewrite the sum
  2. Calculus - Riemann Sum help

    How do I figure out the upper and lower bounds for a riemann sum? This question I'm working on tells me to assume: Δx=2π/n and x_i=iΔx and then gives me: n b lim ∑ sinx_iΔx = ∫f(x)dx n⟶∞ i=1 a Now I'm pretty sure f(x)=sinx, but I don't know how
  3. PLEASE CHECK OPERATIONS WITH FRACTIONS

    1. 619.5 km=__m A, 0.6195 B, 61.95 C, 61,950 D, 619,500*** Write the metric unit that makes the statement true. 2. 5,941 mm= 5.941__ (1point) A, m*** B, km C, cm D, dm Use benchmarks to estimate the sum, difference, or product. 3. 1 7/8+1/9 A, 0 B, 1 C, 2
  4. Math

    ) Form a conjunction from the following two statements and determine if the conjunction is true or false. Explain. Two is an even number. Two is a prime number. A) Two is an even number or two is a prime number.; False B) Two is an even number and two is a
  5. maths

    what least number must be added to 630 to make the sum a perfect square? find the perfect square and its square root.
  6. math word problems

    The sum of two numbers is 69. The second is 9 more than 4 times the first. What are the two numbers? would the equation i have be right 4x+y+9=69 4*15+0+9=69 60+9=69 No. Let the two numbers be x and y, with x the smaller number. x + y = 69 y = 4x + 9 5x +
  7. 1 Out Of 100 Math Trick HELP PLEASE!!!

    1. Choose a number between 1 and 100. 2. Multiply the number by 5. 3. Add 15 to the number. 4. Divide the number by 5. 5. Subtract the original number. How does this work, please help!
  8. Technology

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum
  9. Math

    ___ identify the sets to which the number 0.41567 belongs. A. rational number B. irrational number C. integer, rational number D. whole number, integer, rational number please help, and don't just give answers, plz also say how you got them
  10. MAths algebra

    Tiger woods won the Buick Invitational.The following scorecard shows the result of Round1.there are 18 holes? per round and the table shows the number of times woods got each type of score. Score on a hole and Number of times score occurred Eagle (-2) 2
  11. MATH

    WRITE A SIMPLE BUT A COMPLETE FORTRAN PROGRAM TO COMPUTE THE AVERAGE OF SIX NUMBERS AND DISPLAY THE NUMBERS, SUM AND AVVERAGE. THE PROGRAM SHOULD TERMINATE WHEN ZERO IS ENTERED AS A NUMBER. THE PROGRAM SHOULD BE EDUCATIVE
  12. Algebra

    I have 3 questions I'm stuck on and would love for someone to explain and show me how to solve them so I can also solve the other one. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75. 3.
  13. My Retyped Algebra Post

    1. Use the arithmetic sequence of numbers 2,4,6,8,10.. to find the following: a)What is d, the difference between any consecutive terms? Answer: Show work in this space: b)Using the formula for the nth term of an arithmetic sequence, what is 101st term?
  14. math

    Which of the following problems can be solved using the equation x-9=15? A. Allison is 9 years younger than her sister Pam. Allison is 15 years old. What is x, Pam's age? B. David's portion of the bill is $9 more than Jaleel's portion of the bill. If
  15. math

    Choose the one alternative that best completes the statement or answers the question. Use inductive reasoning to predict the next number in the sequence. 1) 7, 13, 19, 25, 31, . . . 1) _______ A) 43 B) 38 C) 37 D) 36 Indicate whether the sequence is
  16. Math

    1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21
  17. Math

    1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21
  18. Pre calc 11

    Sum of first 12 terms of arithematic series is 186, 20th term is 186. Wat is sum of the first 40 terms
  19. math

    The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
  20. Physics

    Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.
  21. math

    The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16? Find S20
  22. Physics

    Can you find two vectors with different lengths that have a vector sum of zero? What length restrictions are required for three vectors to have a vector sum zero? Explain.
  23. math

    The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16. Find S20
  24. geometry

    two segments that are not congruent, their sum and their difference. Then subtract from the sum of the difference between them and verify that the segment obtained is twice the lower segment.
  25. math

    The sum of the first 15 terms of an arithmetic series is 1290. The sum of the first 16 terms is 1464. Find t16. Find S20
  26. Math for Educators

    Find the sum of the sequence. 38+39+40+41+...+137 The sum is? My answer 175(99)= 17,325 Is this correct? If not how do I get the correct answer?
  27. math

    The sum of squares formula is given by 1^2+2^2+3^2+…+n^2=n(n+1)(2n+1)/6. The sum of odd squares can be expressed as 1^2+3^2+5^2+…+(2n−1)^2=An^3+Bn^2+Cn+D. The value of A can be expressed as ab, where a and b are positive coprime integers. What is
  28. math

    A sum of money invested at compound interest amounts to Rs.4,624 in 2 years and to Rs.4,913 in 3 years. The sum of money is:
  29. algebra

    1. a number increased by 21 is 28. find the number 2. a number decreased by 12 is equal to 30. find the number. 3. 8 less than a number is 15. fid the number
  30. math help

    1. a number increased by 21 is 28. find the number 2. a number decreased by 12 is equal to 30. find the number. 3. 8 less than a number is 15. fid the number
  31. Math

    During decimal multiplication, we know that the placement of the decimal point in the product is decided by the sum of number of digits after the decimal point in both the factors being multiplied. I know that's what we do but i don't understand why this
  32. Geometry

    Is the following definiiton of supplementary reversible? If yes, write it as a true biconditional. Supplementary angles are two angles whose measures sum to 180. a. Yes, if angles are supplementary, the their measures sum to 180. b. Yes, angles are
  33. G.p.

    The sum of three numbers in g.p. is 21 and the sum of their squares is 189. Find the numbers.
  34. math

    find the sum of2 3/4 and 2 4/5.find the differnce between this sum and 6
  35. algebra

    $5 is half of four sevenths of a sum of money.what is the sum of money
  36. math

    The sum of two numbers is 10.The sum of their squares is 52.Find the numbers.
  37. math

    The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
  38. math

    The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P
  39. math

    Make the sum of the numbers across equal the sum of the numbers down. 7 5 1 9 3
  40. Maths

    1)Find the sum of the first 10terms of 16,8,4,... 2)Find the sum of the first 8terms of 1/9,1/3,1,...
  41. algebra

    the sum of two numbers is 6 more than three times the smaller and and their sum is 66. what are the numbers?
  42. maths

    the sum of two numbers is 14 & sum of it's reciprocal is 7/20.Find the numbers?
  43. math

    The sum of 4 term of an G. P. Is 15/32 and sum of infinite term of same G.P. Is equal to 1/3
  44. math

    four times the larger number of two numbers is equal to seven times the smaller.the sum of the numbers is 22.find the numbers
  45. math

    what number am i: clue 1- when you divide me by 5, the remainder is 4. clue2- I have 2 digits. Both digits are odd. Clue 3- the sum of my digits are 10.
  46. Maths

    The sum of 2 numbers is 32.when 5 subtracted from 4 times 1 of the numbers,the result is 8 times the other number.find the difference between the 2 numbers.
  47. math

    what number am i: clue 1- when you divide me by 5, the remainder is 4. clue2- I have 2 digits. Both digits are odd. Clue 3- the sum of my digits are 10.
  48. Technology Education

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum
  49. Math please helppp

    1 Find the missing angle measure in the polygon A ] 77 B ] 87 C ] 97 D ] 107 i think its b 2 Find the sum of the interior angles in 10 - sided polygon A ] 1,260 B ] 1,440 c ] 1,620 d ] 1,800 i think its c or b 3 Find the measure of each interior angle in a
  50. Math

    When Juan divides each of five consecutive integers by his age , the sum of five remainders he gets is 32 . When Nikita ,several years older , divides each of a different set of five consecutive integers by her age , the sum of the five remainders she gets
  51. math

    Hi 2 math questions: 1. Is the sum of the same as adding the two numbers? the ? the sum of 14 and 16 2. Is the quotient the same as dividing.. the ? the quotient of 114 and 6 Sum is adding, quotient is dividing.
  52. discrete math

    Q 8: Count the number of 01-strings with following constraints. (a) The length is 8. Number of 1s is 2 more than number of 0s. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.
  53. 5th grade math

    Which pattern can describe the numbers 2,4,10,28, and so on? A. For each number after first, add 4 to previous number in the list. B. For each number after first, multiply the previous number by 3 and subtract 2. C. For each number after first, add 2 or 6
  54. math

    if the simple interest on a certain sum for 15 months at 7.5% per annum exceeds the simple interest on the same sum for 8 months at 12.5% per annum by Rs 32.5, then the sum is
  55. Mathematics

    Suppose an employee of a company is retiring and has the choice of two benefit options under the company pension plan. Option A consists of a guaranteed payment of $1,575,000 at the end of each month for 10 years. Altematively, under option B the employee
  56. math

    Suppose an employee of a company is retiring and has the choice of two benefit options under the company pension plan. Option A consists of a guaranteed payment of $1,575 at the end of each month for 10 years. Alternatively, under option B the employee
  57. Grade 9 Algebra

    3. FOOTBALL The New Orleans Saints scored 7 fewer points than twice the points scored by the Pittsburgh Steelers. The two teams together scored a total of 32 points. Write and solve an equation to show how many points each team scored.
  58. C programming

    Question: Write a program that reads integers from the keyboard until the user enters the sentinel value -999. The program should then print the minimum integer read, the maximum integer read and the average of all the integers. (Excluding the sentinel
  59. MATH HELP

    3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway
  60. Maths Percentage

    After spending 30% of his money, John had $140 left. How much did he have at first. Siti and Ali saved $4500. Ali and Jim saved $2950. Siti saved thrice as much as Jim. How much did Ali save? At a concert, there were 15 more children than adults. Each
  61. maths! please help me it is an emergency!!!!!!!!!!

    what is the fibonacci sequence and what is its relationship to the golden ratio? http://www.google.com/search?q=fibonacci+golden+ratio&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official Many websites here that can help you --
  62. algebra

    the sum of three integers is 220. The sum of the first and second integers exceeds the third by 94. The third integer is 55 less than the first. Find the three integers.
  63. Perry

    The sum of two numbers is 15 the sum of the squares of the same two numbers is 172 fined the difference between the two numbers
  64. math

    I am thinking of 3 different whole numbers which have a product of 36. 5 more than the sum of the 3 numbers is a perfect square. what is the sum of my 3 numbers?
  65. Algebra

    he sum of three integers is 193. The sum of the first and second integers exceeds the third by 85. The third integer is 15 less than the first. Find the three integers.
  66. maths

    he sum of two numbers is 15 the sum of the squares of the same two numbers is 172 fined the difference between the two numbers
  67. Maths

    A geometric series has three terms. The sum of the three terms is 42. The third term is 3.2 times the sum of the other two. What are the terms?
  68. Algebra

    The sum of 3 integers is 194. the sum of the first and second integers exceeds the third by 80. The third integer is 45 less than the first. Find the three integers
  69. Math

    The first term of GP exceed the second term by 2 and the sum to infinity is 15 find the series and the sum of first 5 term
  70. calculus

    1) equation; sum= (1-(1+i)^-n / i 2) equation; sum= r(1+i)^-1 + r(1+i) ^-2 + r(1+i)^3 +...+ r(1+i)^-(n-1) + r(1+i)^-n im suppose to simplify second equation into the first one but im messing up somewhere if anyone can tell me the first 3-4 steps i think i
  71. C++

    You are to use an array of doubles to compute the average of a sequence of numbers and the standard deviation of the numbers. Based on these value you will print for each of the values in the array: the array index, the value, the deviation from the
  72. math

    5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall surveyed his classmates and found 5/7 have a sister, 1/2 have a brother, and 3/14 do not have siblings. The question is: Why does it
  73. Math(simple interest)

    A person borrows two equal sums of money at the time at 5% and 3.75% simple interest respectively & finds that if he repays the former sum a year before the latter the amount paid in each case is the same that is Rs.736. Find the total sum borrowed.
  74. math

    5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall surveyed his classmates and found 5/7 have a sister, 1/2 have a brother, and 3/14 do not have siblings. The question is: Why does it
  75. Calculus

    Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer and explain, using a graph of f(x), what
  76. Math PROBABILITY part 1

    Anna mixes the letters S, E, L, E, C, T, E, and D thoroughly. Without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will NOT be the letter Mary selects? A. 3/8, 0.375, 37.5% B. 8/5, 1.6,
  77. Math

    Simplify. -2(3)^2 - 8 ÷ 2 + 6 A) -18 B) -16** C) -7 D) 7 Lucy is trying to find a rational number between 3/8 and and 6/7 What would help her to find this number? A)Divide 3/8 by 6/7*** B)Multiply 3/8 by 6/7 C)Convert 3/8 and 6/7 to Fractions with a
  78. Math

    If two fair dice are​ rolled, find the probability that the sum of the dice is 6​, given that the sum is greater than 3.
  79. math

    find two fractions with a sum that is greater than 3/4 and less than 15/16. Write your fractions in simplest form and find the actual sum.
  80. algebra

    Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 to n. Then find the sum of the whole numbers from 1 to 50. 1+2= 2•3/2 1+2+3= 3•4/2 1+2+3+4= 4•5/2
  81. Math

    The odds of rolling two dice and the sum being greater than 9 are 6 to 30. What is the probability that the sum of two rolled dice is less than or equal to 9? I got 1/5 because its greater? help.
  82. maths

    the sum of the first two terms of a GP is 28,but the sum of the third and fourth terms is 252.find the second term of the gp if the seventh term is 5103. please help.
  83. maths

    Use the product-to-sum formula to write the given product as a sum or difference. 6sin π/10 cos π/ 10
  84. math

    In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term
  85. maths

    in a GP, the sum of the 3rd and 4th terms is -4/3 and the sum of the 4th and 5th terms is -4/9. Find the 6th term.
  86. Math

    I am thinking of a year in the last decade. The sum of the digits in the 1000 and 100 place are 2 less than the sum of the digits in the 10 and 1 place?
  87. math

    how do i find the common ratio of the infinite geometric ratio series with the given sum and first term? for example: sum=4 first term=7
  88. Math

    1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the
  89. math

    1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the
  90. Pre-Alegebra

    3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical*** 4.Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway
  91. Math

    The sum of the reciprocal of 5 and the reciprocal f 7 is the reciprocal of what number?
  92. Math

    One third the sum of two numbers numbers is 24.one of the numbers is 40.what is the other number?
  93. math

    Nancys birthdays is beteen aug 10 and aug 24. the date of her birthday is not an even number. the sum of the digits is 4. show how to find the date of nancys birthdat
  94. Math

    The sum of Tonya's parents' ages is 78 years. Each parent's age is a prime number. Both parents are more than 20 years old. Her father is older than her mother. How could each parent be?
  95. math

    Nancys birthdays is beteen aug 10 and aug 27. the date of her birthday is not an even number. the sum of the digits is 4. show how to find the date of nancys birthdat
  96. Computer Science

    Create an array to record the results of rolling a 6-sided die. The user determines the number of rolls. Output the results of each roll and the sum of all rolls. The rolls should produce a random integer from 1-6.
  97. Math

    Are the statements Always, Sometimes or Never. Please explain why. Thanks. 1. An equilateral polygon is regular. 2. The greater the number of sides of a regular polygon, the smaller the measure of any of its exterior angle. 3. The sum of the measures of
  98. Math

    Identify all the sets to which the number 0.46517 Repeating belongs. A. rational number B. irrational number*** C. integer, rational number D. whole number, integer, rational number Pls Help me.Thx
  99. Math

    How many terms are in an arithmetic series whose sum is 5.586 when t1 = 10 and d = 6? Sn = n / 2 (2a1 + (n - 1) d) 5586 = n / 2 (20 + (n-1) 6) 5586 = n / 2 (26 - 6n) 5586 = 13n - 3n^2 3n^2 - 13n + 5586 = 0 But I'm confused on how to factor this out since
  100. Math Check!

    Elizabeth has two identical number cubes. Both cubes have faces numbered 1 through 6. If Elizabeth rolls each cube once, what is the probability that the sum of the two numbers on the top faces will be 10? •1/36 •1/12 •1/10 •1/9