1. MATH

    THE FIRST AND LAST TERMS OF AN ARITHMETIC SERIES IS 5 AND 61 RESPECTIVELY WHILE THE SUM OF ALL THE TERMS IS 957. DETERMINE THE NUMBER OF TERMS IN THE SERIES.

    asked by CLARENCE KHUMALO on February 4, 2015
  2. algebra

    Please check A number p divided by 7 p/7 9 times a number a 9xa 6 times a number c, minus 5 6c-5 a nujmber m divided by m, plus 89 m/89 the product of 0.8 and a number y 0.8 x y 1/2 more than a number b 1/2+b I have to write an inequality need help An

    asked by Marybeth on February 25, 2015
  3. 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

    asked by Olivia N J on February 1, 2017
  4. math

    The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P

    asked by zaituni on June 19, 2017
  5. math

    The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P

    asked by zaituni on June 19, 2017
  6. 7th grade math

    there are 5 times as many tomato plants.in the gatden as there ate cucumber plants. the number of pepper plants is 7 more than the sum of the number of tomato and cucumber plants. there are 19 pepper plants in the garden. how many cucumber plants are

    asked by trent on February 21, 2013
  7. algerba 1

    1. the sum of 3 numbers is 207. the 2nd # is 8 times the first, while the third is 3 less than the first. find the #s. 2. the sumof 3 numbers is 161. the second number is 6 times the first, and the third is 5 more than the second. find the #s. Thanks so

    asked by kelly on April 20, 2013
  8. 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

    asked by Alec on November 4, 2015
  9. 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

    asked by Mohammad umar on October 3, 2017
  10. 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

    asked by kumar on February 27, 2018
  11. 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.

    asked by diane on February 24, 2016
  12. 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?

    asked by someone on September 30, 2008
  13. 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

    asked by visoth on January 31, 2013
  14. 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.

    asked by diane on February 24, 2016
  15. 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?

    asked by Han on May 24, 2014
  16. 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

    asked by Teena on December 11, 2016
  17. algebra

    julia is studying the sum of interior angles in polygons. she creates polygons with 3,5,6,7 and 9 sides, and records the sum of the interior angles in each polygon in the table. Write an equation or inequality that represents the situation.

    asked by Anonymous on August 13, 2014
  18. Math

    Let A1,A2...A12 be twelve equally spaced points on a circle with radius 1. Find (A1 A2)^2 + (A1 A3)^2 + ... + A11 A12)^2. (The sum includes the square of the distance between any pair of points, so the sum includes 12 choose 2 = 66 terms.)

    asked by Archer on June 1, 2016
  19. Business mathematics

    A sum of money when invested for a definite period at r% simple interest will yield an interest of rm80 .using the same interest rate, find the interest earned if the sum is tripled and the investment period is doubled

    asked by Muhammad nur ikhwan on October 30, 2016
  20. math

    Ram and shyam jointly lend out rs17261 at 20% per annum compound interest such that rams amount for 2 year is same as is the shyams amount for 5 years.by how much does rams sum exceed shyams sum?

    asked by neetha on May 31, 2017
  21. Algebra

    How do I express this in algebraic form? And could you please explain how you came up with the expression? "Come up with a number. Add 3 to it. Muliply by 1 more than the original number. Subtract 3. Divide by the original number. Subtract 4. You should

    asked by anonymous on August 24, 2010
  22. math

    Don chooses a positive integer less than 11 which he calls a and an integer b such that 11

    asked by Lone on August 27, 2018
  23. math

    •Post a response to the following: Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reached 1 for an answer? You should have. How does

    asked by Anonymous on October 1, 2008
  24. math

    a pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5? Taking into consideration the numbers 1-6 on the second die wouldn't the probability be 1/6?

    asked by m on November 22, 2010
  25. Programming

    Write a function that takes one positive integer value (call it n) as a parameter and produces the sum of the integers between 1 and n. Hint: The sum of the integers from 1 to n is n*(n+1) all over 2 I know this is how the function should look but I am

    asked by Annabelle on April 30, 2014
  26. Math

    When you are translating a number from scientific notation to standard form, what does the exponent tell you? The number of zeros to add to the end of the original number the number of places to move the decimal point to the left the number of places to

    asked by SwimmerGirl on April 16, 2017
  27. Mathematics

    When you are translating a number from scientific notation to standard form, what does the exponent tell you? The number of zeros to add to the end of the original number the number of places to move the decimal point to the left the number of places to

    asked by Valerie on September 26, 2017
  28. MATH!

    An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.05, Pr[2]=0.1, Pr[3]=0.25, Pr[4]=0.25, Pr[5]=0.2, and Pr[6]=0.15. On the first roll, you record if the number is Small (1,2) or Large (3,4,5,6). If the

    asked by Chloe on February 24, 2016
  29. 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

    asked by Peter on February 8, 2009
  30. 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

    asked by kate on February 8, 2009
  31. trig

    for the geometric series shown, state whether the series in convergent. If the Series is convergent give its sum 9+6.3 +4.41 +... a tutor helped me earlier but how is the sum 0.7

    asked by jerson on November 11, 2008
  32. furthermaths

    The sum of the first ten terms of a linear sequence is 60 and the sum of the first fifteen terms of the sequence is 165.find the 18th term of the sequence.

    asked by gwendoline on February 15, 2016
  33. Algebra 2

    In an infinite geometric progression with positive terms and with a common ratio |r|

    asked by Alex Chien on February 4, 2017
  34. Math

    When you are translating a number from scientific notation to standers form what does the exponent tell you a.the numbers of zeros to add to the number b.the number of places to move the decimal left c.same as b but right d.the number of times to multiply

    asked by Spiderman on October 1, 2018
  35. statistics

    If a fair die is rolled, what is the probability of getting an even number, a number less than 5, a number larger than 6 and an odd number?

    asked by virginia on September 28, 2014
  36. Math

    i am a number. i am the product of the number of digits in a half billion and the number of years in a decade. What number am i ?

    asked by Pammie on May 20, 2011
  37. Its math, cmon answer!!!

    This is my HW problem; I'm thinking of a number. When I double my number, subtract five, and then add my original number, I get one. What's my number?

    asked by Sarah on November 11, 2012
  38. Math Help

    How can you turn this word problem into an equation: One number is twice another number. The larger number is also 32 more than the smaller number.

    asked by Norman on July 2, 2010
  39. Maths

    Different between two natural number is 24 the bigger number is four time greater than the smaller number find the number

    asked by Arnaz on October 19, 2016
  40. Math

    why is 1.6666666667 an irrational number? this was my answer to a question, and you also have to explain why your answer is an irrational number. an irrational number is "any real number that can not be written and the quotient of two number" but it can?

    asked by ... on September 29, 2017
  41. geometry

    show that the sum of the squares of the lengths of the medians of triangle equals three-fourths the sum of the squares of the lengths of the sides.(hint:place the triangle so that its vertices are at points(-a,0),(b0)and (0,c))

    asked by muneer on May 20, 2011
  42. math

    I would let #1 = x. Then #2 = x+1 #3 = x+2 #4 = x+3 The problem says we want the sum of the first three. That will be x + (x + 1) + (x + 2) and that should be 60 more than the fourth. The fourth is x + 3; therefore, set them equal and add 60 to the fourth.

    asked by DrBob222 on August 17, 2007
  43. algebra

    Fiona and Greg play a number guessing game. Greg gives Fiona this hint about his two secret numbers, "The product of the two consecutive positive integers that i am thinking of is 11 more than their sum." What are Greg's numbers?

    asked by astrid on March 19, 2008
  44. math

    use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers

    asked by keith on August 19, 2010
  45. 5th grade

    use a flow map to help you figure out the missing number. be sure to use arrows to show the direction of your map, and make sure you have a title. clue 1 i am a multiple of 3 clue 2 i am between the numbers 15 and 36 clue 3 when you add my two numbers

    asked by keith on August 19, 2010
  46. math

    I asked this question before and I was told my work was correct by my friend insists she is correct HELP I did translate and simplify"six less than twice the sum of a number and three" choices are A)-2x b)2x c)-2x+9 d)2x-3 I set it up 2(x+3)-6 2x+6-6

    asked by ES PUZZLED on January 22, 2013
  47. Pre-calculus

    The sum of the first two terms of an arithmetic series is 13 and the sum of the four terms is 46. Determine the first six terms of the series and the sum of the first six terms.

    asked by Tawana on April 12, 2015
  48. Math

    The table below shows the relationship between the number of dozens and the number of cookies Number of dozens Number of cookies 5 60 7 84 9 108 1 132 Which equation could be used to find n, the number of cookies in d, the number of dozens A.n=10d B.n=d/10

    asked by Jerald on April 3, 2013
  49. math

    Craig is creating gift baskets for the food pantry to give away. He has 91 canned food items and 52 boxed food items, giving him a total of 143 items. The sum is shown below. He wants to make sure that every gift basket has an equal amount of canned food

    asked by Spartans on February 18, 2015
  50. math

    Craig is creating gift baskets for the food pantry to give away. He has 91 canned food items and 52 boxed food items, giving him a total of 143 items. The sum is shown below. He wants to make sure that every gift basket has an equal amount of canned food

    asked by Spartans on February 18, 2015
  51. Math- Geometric solutions and problems RIA

    A. -x^3 and x^11 ; 3 B. 0.6 and -0.002025; 2 C. x^2,x^6,x^10.... (A sub 20) * sorry for the sub :D but I guess that's already clear? Hehe. D. a^2/2 , a^4/4, a^6/8.... (A sub 10) E. X+1, 2x^2 + 2x, 4x^3 + 4x^2 (A sub 6) F. 32y^2, 16y^2, 8y^2 (A sub 8) *

    asked by Ria on August 18, 2016
  52. 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
  53. Math

    which statement is false?(1 point) a.every integer is a real number b.the number zero is a rational number c.every irrational number is real number d.every real number is a rational number

    asked by Caylee on September 22, 2015
  54. Math

    Which statement is false? A. Every integer is a real number*** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number Am I right about the a being the right answer? Thanks

    asked by Anonymous on September 26, 2014
  55. maths

    The total number of people in a survey is T. The number of males in the survey is x and the number of doctors is y. The number of doctors that are male is z. Write algebraic expressions for the following using any of the variables x, y, z and T. a. The

    asked by Parker on October 31, 2016
  56. Grade 6, percentage

    Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave $1320 to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was $825 and the discount was 20%,what was the sum of

    asked by Peachie on January 5, 2017
  57. Grade 6, percentage

    Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave 1320% to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was 825$ and the discount was 20%,what was the sum of

    asked by Peachie on January 5, 2017
  58. chemistry

    how would you go about calculating the change in H' of the reaction 2N2O 4NO2+O2 if you are given the H'of formation for N2O and NO2 but not the H' of formation for O2? is H' of O2 zero? if so why? and also how can you tell to use change in S'=sum(npS'p) -

    asked by john on April 19, 2010
  59. Lisa

    The square of the sum of 2x and 3y is equal to the sum of the square of y and the square root of x. Which of the following represents this statement? I got: (2x + 3y)^2 = y^2 + √x But the correct answer choice is (2x + 3y)^2 = y^2 + x^2 I don't

    asked by Anne on July 15, 2014
  60. help

    a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that

    asked by math on December 6, 2013
  61. a.p.

    the sum of four terms of an a.p. is 4 and the sum of product of first and last term and product of middle terms in -38, then find the numbes.

    asked by warnar on December 13, 2016
  62. Math

    Find the sum of the first 35 consecutive odd numbers. What is the sum of the first 350 consective odd numbers?

    asked by Linda on June 13, 2012
  63. Math

    The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.

    asked by Sarah on January 9, 2013
  64. Math

    find three consecutive even intergers for which the sum of the first two integers is greater than 9 more than the third integer, and the sum of the first and third integers is less than 17 more than the second integer

    asked by Roy on September 15, 2009
  65. Math

    The sum of the integers from 40 to 60, inclusive, is 1050. what is the sum of the integers from 60 to 80 inclusive? Please help me find the pattern and how to use it instead of adding 60+61+62+63..... etc.

    asked by Sarah on January 9, 2013
  66. maths

    In an arithmetical progression,the sum of the first five terms is 30,and the third term is equal to the sum of the first two.write down the first five terms of the progression.

    asked by Anonymous on April 5, 2017
  67. Math

    A g.p has 8 terms.If the sum of first 4 terms is 45 and the sum of the last 4 term is 720, find the common ratio and the first term.

    asked by subash on November 3, 2018
  68. arithmetic

    In an AP the first term is 2 and the sum of the first five terms is one fourth of the sum of the next five terms. Show that the 20th term is -112.

    asked by akash on February 28, 2012
  69. Math

    "The conjugate of the sum of two complex numbers is equal to the sum of the conjugates of the two complex numbers." This is true right?

    asked by Jay on February 19, 2015
  70. midpoint question

    find the midpoint between these points (-2,7)and (-8,-5) thank you midpoint is (sum of the x values/2,sum of the y values/2) (really you are just finding the "average" of the x's and y's.) tell me what you get.

    asked by cecilia lopez on May 8, 2007
  71. Chemistry

    A quick question. When we use the bond energies to find delta H, should we use the sum of the bond energies of the reactants minus the sum of the bond energies of the products, or vice versa? For example, H2 + Br2 --> 2HBr Given that H-H bond is 436 KJ/mol

    asked by Steven B. on October 31, 2010
  72. MATHS

    Rama and Radha each had a set of marbles . rama said to radha 'if you give me 10 of your marbles then i shall have twice as many as you have' . radha said to rama ' if you give me 10 of your, i shall have thrice as many as you have' found the marbles that

    asked by A GOODSTUDENT on August 24, 2016
  73. Unknown

    Carl is asked to draw a triangle with the following specifications: -all sides have whole number lengths in centimeters -the sum of the lengths of the two shortest sides equals 9 centimeters -when the side lengths are placed in order from least to

    asked by Unknown on April 8, 2016
  74. Math

    Independent Events Two dice are rolled. What is te probability of each event? 1. The numbers total 9. 2. The numbers total 2. 3. Both dice display the same number. 4. The sum of the numbers is not 8. Please help, I don't get this.

    asked by Larry on November 3, 2008
  75. Excel

    When I use the sum button it gives me the wrong answer but when I times it comes out right. How do I put the total in the total column? Please help if you know how use excel! Cost/Units Number of Units Total Cost $0.99 40 $2.99 25

    asked by crystal on January 31, 2011
  76. maths

    Auston,Ben and carl spent all their mone on a dinner which cost $60. Auston paid thrice amount of money paid by Ben and Carl. Ben paid $1.60 more than Carl. If they were to share the cost of the dinner equally, how much must Ben and Carl each return to

    asked by ssssss on April 16, 2012
  77. Maths

    A sum of money was shared among Amos, Benny and Cathy. Amos received 1/4 of the sum. Benny received 2/5 of the remainder and Cathy received the rest. As a result, Cathy received $150 more than Benny. (a) What is the amount received by Amos? (b) Find the

    asked by danial on January 15, 2010
  78. mathenatic

    The sum of sixth term of a.p is 72 and the second term is seven times fifth term find the first term,common difference and the sum of tenth term

    asked by morice on June 27, 2016
  79. matH

    -5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3 to the

    asked by LOL on October 20, 2015
  80. MATh

    -5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3 to the

    asked by DEEZ GOT HEE on October 20, 2015
  81. MATH

    I NEED HELP -5g - 6 for g= -2 4 16 10 -13 write an algebraic expression for the sum of 3 coins and c coins c+3 c/3 3c c-3 what value of x is a solution to the equation x-2=16 14 18 21 12 z/-12=-5 7 -60 -17 60 estimate the solition of the equation x-8.1=5.3

    asked by HELP on October 20, 2015
  82. Math

    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

    asked by Anonymous on November 12, 2015
  83. Arithmatic Progression

    The sum of the first 5 terms of an AP is 40 and the 7th term is equal to 4 times the second term, find the first term (a), common difference (d) and the sum of the second five terms.

    asked by Achire on July 20, 2017
  84. Calculus

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked by Salman on December 13, 2009
  85. Math

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked by Salman on December 14, 2009
  86. Maths

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked by Salman on December 14, 2009
  87. Arithmetic

    A geometric series has a positive common ratio of r. The series has a sum to infinity of 9 and the sum of the first two terms is 5. Find the first four terms of the series.

    asked by samuel on November 26, 2017
  88. Calculus

    The following sum [(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right Riemann sum for the definite integral F(x) dx from x=0 to 6 Find F(x) and the limit of these Riemann sums as n tends to infinity.

    asked by Salman on December 14, 2009
  89. math

    John's father is thrice as old as John. 6 years from now, his father will be 24 years older than John. How old is John now?

    asked by Anonymous on October 3, 2011
  90. math

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

    asked by Jack on February 3, 2012
  91. 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

    asked by DEEPAK on September 15, 2012
  92. 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

    asked by Ahmad on October 28, 2011
  93. 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

    asked by Ahmad on October 28, 2011
  94. maths

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

    asked by Anshika on May 31, 2016
  95. Math

    Estimate the product 7 2/3 x 3 7/9 Find the sum 1 3/7 + 10 6/7 Estimate the sum 9 12/15 + 1 2/6

    asked by Anonymous 1 on November 6, 2018
  96. algebra

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

    asked by rose on January 22, 2016
  97. math

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

    asked by gillian on February 23, 2011
  98. math

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

    asked by daishon on January 14, 2015
  99. math

    a certain sum of money is to be shared among three brothers. one of them gets 2/5 of it, another gets 1/4 of it and the third one gets £2.10. how much is the sum of money

    asked by Anonymous on October 23, 2018
  100. algebra

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

    asked by rakhshanda on February 5, 2015