# I am a 3-digit number. My first digit is thrice my last digit. The sum of my last two digit is one less than my last digit

42,127 results, page 45
1. ## math

i need to find facts on the number 4 What kind of facts? The number 4 immediately precedes the number 5 and is the first whole number after 3. Then you can make up a bunch of stuff using 4; i.e, 96 + 4 = 100 etc. If this is not the right direction, please

asked by aretha on October 15, 2006
2. ## Physics

The system starts at rest. A mass of 20kg (m1) is connected to a pulley of uniform mass m=5kg and radius 10cm and a mass of 30kg (m2) hangs on the other side of the pulley hanging 2m above the ledge Find the tension of the strings I tried to find the

3. ## Chemistry

I've been given a V with 51 as the mass number, 23 as the atomic number, and +5 as the charge. Would this mean that its proton number would be 23, its neutron number would be 28, and its electron number would be 18? And I've been given an element with 40

asked by Narasaq on May 30, 2009
4. ## Math

When you walk around a polygon, at each vertex you need to turn either right (clockwise) or left (counterclockwise). A turn to the left is measured by a positive number of degrees and a turn to the right by a negative number of degrees. Find the sum of the

asked by Rachel on September 29, 2009
5. ## arithmetic

the 20th sum of an arithmetic progression is -7 and the sum of the first 20 terms is 620. find the 1st and 30th terms i am looking at using S20 = a(1-rn)/l-r = 620. but i am reallys tuck and think i am very wrong. please help.

asked by livvy on November 8, 2014
6. ## math

Find the exact value (either decimal or fractional form) of the first term of an arithmetic sequence if the sum of the first 100 terms is 7099.5 and the sum of the next 100 terms is 20799.

7. ## MATH !!!!!!!!! HELP

Find the exact value (either decimal or fraction form) of the first term of an arithmetic sequence if the sum of the first 100 terms is 7099.5 and the sum of the next 100 terms is 20799.

asked by john on April 13, 2011
8. ## Math riddle

nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1. no one cares...durrr....

asked by Yasmeen on February 27, 2007
9. ## Math

In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms inclusive is 198. What is the 21st term? I have got 99=2a +3d and 57= 2a+3d Im not sure what to do now

asked by Fasi on April 18, 2015
10. ## pre calc

use an appropriate half-angle formula to find the exact value ofthe expression. tan22.5 write the product as a sum sinxsin5x write the sum as a product sin2x-sin7x

asked by Anonymous on July 12, 2012
11. ## 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?

asked by Antonio on April 19, 2007
12. ## 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

asked by Estephania on January 18, 2016
13. ## 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

asked by Estephania on January 18, 2016
14. ## CALC 2

a. Consider the following limit as a fact: lim n-> infinity ((n!)^1/n)/n = 1/e Use this limit to study the convergence of this series using the root test. Sum of infinity and n=1 of ((3^n)n!)/n^n b. Use the ratio or the root test to determine the

asked by Bae on April 7, 2014
15. ## Math

Natalie has 138 dvds and 419 cds. If you were to estimate the sum of the dvds and cds, what sentence could you write? Then find your estimated sum. My answer is 140 + 420 = 560 is this right..

asked by Michael on September 22, 2011
16. ## latin 1

dominus me amat. dominus me amat quod vitam fili servabam.sum xeno; romae ( in rome) sum sextus. mox liber (free)ero.

asked by james on October 3, 2017
17. ## trigonometry

Find the number of cans stacked in a display if there are 30 rows of cans with six on the top row, ten on the second row, 14 on the third row and so on. I know it's the sum of an arithmetic sequence, but I'm not sure exactly what to do.

asked by Cindy on June 17, 2009
18. ## Calculus

Determine the number of terms required to approximate the sum of the series from n=1 to infinity of ((-1)^(n+1))/(2n^3 - 1) with an error less than 0.001. I think this is 5 terms, but I'm unsure whether to set this up as 2n^3 - 1 < 0.001 or 2(n + 1)^3 - 1

asked by Anonymous on March 11, 2018
19. ## Algebra

Translate into a variable expression. Then simplify the expression. Twice the sum of four times a number n and thirty. Can you explain how to write it as a variable expression pls Also what does "and" stand for here?

asked by Aj on February 13, 2017
20. ## math

the "roundness of an integer greater than 1 is the sum of the exponenys of the prime number. for example, 20= 2to the squared multiplied by 5 to the 1st power,so 20 has a roundness of 3. what is the roundness of 1,000,000?

asked by shauna on September 12, 2012
21. ## sum geometric series

what is the sum of geometric infinite series 3/2+ 9/16+ 27/128+ 81/1024=.... i know the formula is S=a/(1-r) my teacher, he usually transforms into a formula of the sum series and finds out a and r.but i don't how to do that. the pattern i saw is 3/2 +

asked by david on April 9, 2007
22. ## Geometric series

The sum of the first five terms of a geometric series is 186 and the sum of the first six terms is 378. if the fourth term is 48, determine a(first term),r(ratio), t10, S10.

asked by PJ on January 7, 2013
23. ## Math riddle

nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1.

asked by Yasmeen on February 27, 2007
24. ## math

Find the measure of the interior angle in a regular polygon if the ratio of the sum of the measures of the interior angles to the sum of the measures of the exterior angels is 4

asked by johanna on December 12, 2014
25. ## mathematics

the 10th term of an arithmetic sequence is equal to the sum of 40 and 5th term.If the 15th term is 127 what is its common difference?what is its first term?what is the sum of the first 30 terms.

asked by krishna on July 23, 2016
26. ## Algebra II

Find 4 consecutive odd integers such that 5 times the sum of the first two was 10 less than 7 times the sum of the second and fourth. What are the four integers? When I worked the problem, I got -13 as N and then when I finished it, it didn't seem correct.

asked by Crystal on April 13, 2010
27. ## Algebra

3 real numbers that form a geometric progression have sum equal to 175 and product equal to 17576. What is the sum of the largest and smallest numbers?

asked by Joe on March 18, 2013
28. ## Algebra

3 real numbers that form a geometric progression have sum equal to 175 and product equal to 17576. What is the sum of the largest and smallest numbers?

asked by John on March 18, 2013
29. ## algebra 2

one number is two less than a second number. If you take one-half of the first number and increase it by the second number,the result is atleast 41. find the least possible value for the second number.

asked by Anonymous on December 2, 2010
30. ## Math

Half of a number added to a fifth of three less than the number is equal to two-thirds the number. What is the number? my answer: the number is 18

31. ## arithmetic

The sum of the first 10th term of an a.p is 255,the sum of the first 20 term is 1010.find the next 2020 term of the progression

asked by Daniel on January 31, 2012
32. ## Algebra

Find the sum of the infinite geometric series. 4+1+1/4+.... Sum=a_1/1-r 4/1-4=? r=a_1/a_2 r=4/1=4 a_1=4 I am stuck?Please help me.

asked by Keonn'a on September 29, 2018
33. ## math

Find the prime factorization of each number,330 2.Find two factors of 28 with a sum of 11.7*4=28 =7+4=11 3.Find the greatest common factor for each of the following groups of numbers 36, 72, and 144 answer36, 72, and 144

asked by p on September 3, 2009
34. ## math

the numbers 1 through 9 are written on nine slips of paper and placed into a hat. If slips are selected from the hat one at a time at random, what is the minimum number that must be chosen to ensure that the sum in these slips exceeds 10

asked by shen sinanan on July 31, 2016
35. ## math

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.

asked by anonymous on October 23, 2014

My daughter has a math problems that reads. Steve's birthday is between May 9 and May 23. The date of his birthday is not anodd number. The sum of the digits is 9. When is Steve's birthday?

asked by Shonda on August 26, 2009
37. ## Geomtric Series

The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares

asked by Janet on March 18, 2009
38. ## Physics

Block A has a mass of 20kg and is placed on top of cart B which has a mass of 100 kg. Blosk A has a pulley attatched to it with a force of P acting towards the right. Cart B is on rollers. The coefficient of kinetic and static friction are both the same

asked by Jessi on October 23, 2009
39. ## math

Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.

asked by Tommy on September 8, 2016
40. ## algebra

The sum of the first n counting numbers 1 + 2 + 3 + 4 + 5 ... + n is given by S = n/2(1 + n). a) Find the sum of the numbers 14 to 40 inclusive Answer is 729. But i don't get why. Someone explain what the qestion means by "inclusive" please >

asked by Annie on February 8, 2008
41. ## math

The sum of the first 10 term of an arithmetic sequence is 145 and the sum of the fourth and ninth term is five times the third term. Determine the first term and constant difference.

asked by matso on February 1, 2015
42. ## Math

A sum of money burrowed at a particular rate of interest amounts to Rs 8320 in 2 years and Rs 9685 in 3 and a half years. Find the sum burrowed.

asked by Mongnapar on October 17, 2018
43. ## 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? Answer: 1/6. Did I come up with the right answer? Thanks.

asked by B.B. on August 3, 2009
44. ## Math

Natalie has 138 DVDs and 419 CDs. If you were to estimate the sum of the DVDs and CDs, what sentence could you write? Then find your estimated sum.

asked by Nelson on September 22, 2011
45. ## 4th Grade Math: Help Is Needed ASAP

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of

asked by Tim on November 19, 2013

An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80. Calculate (a)the first term and common difference (b)the last term

asked by mandy on March 8, 2015
47. ## 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.

asked by Jess on April 4, 2013
48. ## 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

asked by EDWIN on June 15, 2011
49. ## 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

asked by Jen on March 4, 2010
50. ## Math

(1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product A 32 B 28 (My answer) C 24 D 21 (2.) Find the sum 3/9 + 4/9 A 7/9 B 7/18 C 7/81 (my answer) D 2/3 (3.) Find the Sum 14 2/9 + 11 2/3 A 25 8/9 B 25 1/9 C 25 1/6 (my answer) D 25 2/3

asked by memes on October 31, 2017
51. ## Math

What is my number? clue 1. my number is a multiple of 2 and 7 clue 2. My number is less than 100 but larger than 50. clue 3. My number is the product of three primes, which are all different. Can some one tell me how to work this problem? Well, let's look

asked by arochimero on September 13, 2006
52. ## Math

i am an even numbers. my hundreds place is five less than tens and my ones is even more than my hundreds. the sum of my numbers is what number i am? 12?

asked by Sisi on July 17, 2016
53. ## math

the first term of an arthmetic progression is 1 and its last term is 28, find the sum of the progression if their number is 10

asked by sonia on November 1, 2010
54. ## 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

asked by Cami on November 11, 2015
55. ## 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

asked by This Girl on October 29, 2012
56. ## 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

asked by HELP !!! on July 16, 2015
57. ## 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

asked by Jessica on January 26, 2013
58. ## algebra

Find all sets of three consecutive multiples of 11 for which the sum of two lesser numbers is greater than 100 and the sum of the two greater numbers is less than 200

asked by carlos on January 7, 2015
59. ## maths

The sum of the first two terms of a gp is 28, but the sum of the 3rd and 4th terms is 252. find the 2nd term of the GP if the 7th term is 5103.

asked by agm on June 14, 2017
60. ## Mathematics

The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms

asked by Jamiu on December 12, 2013
61. ## math

How do you express this in sum of the digits 5500 ps. I don't understand the meaning of sum of the digits, would you mind explaining the meaning?? thank you soo much!

asked by prethy on September 9, 2010
62. ## maths

a sum of money borrowed at a particular rate of interest amounts to Rs 8320 in 2 years and Rs 9685 in 7/2 years. Find the sum borrowed.

asked by limton on March 9, 2018
63. ## Math

How do we find the sum of n terms of the series, 1+(4/7)+(7/49)+(10/343)+..... I know that it can be written as a combination of an arithmetic and geometric progression. 1=(4+3r)/(7^m) ; (r=-1 , m=0) 4/7=(4+3r)/(7^m) ;(r=0,m=1) But how do we find the sum

asked by Ben on July 29, 2017
64. ## algebra

The sum of the swuares of the first n counting numbers: 1² + 2² + 3² + 4² + 5² + 6² + ... +n² is given by the formula S = n(n+1)(2n+1) ------------ 6 Find the sum of the squares of all the counting numbers between 15 and 35. - answer is 12445; how

65. ## Math

The sum of the first nth term of a geometric progression is 127 and the sum of their reciprocal is 127/64. The first term is 1. Find n and the common ratio.

66. ## 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

asked by Anonymous on November 11, 2015
67. ## 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

asked by Anonymous on November 11, 2015

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.

asked by Jab on October 6, 2011

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

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 --

asked by Kelly on September 16, 2006
71. ## 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.

asked by Paul on October 15, 2015
72. ## Problem Solving Math Question

Find the sum of all the numbers in the following array: 1 2 3 4 5 6........100 2 4 6 8 10 12 ......200 3 6 9 12 15 18 ......300 . . . 100 200 300 400 500 600 . . . 100(x)100 Can anyone help me?? I'll suggest how to solve this, but you'll need to do the

asked by Krisy on August 27, 2006
73. ## 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

asked by a n n a on March 5, 2018
74. ## Stat 214

Three identical chips, each with 0 on one side and 1 on the other, are to be tossed simultaneously. A. writes the sample space. B. what is the probability of observing the sum of the face-up numbers to equal to 2? C. What is the probability of observing

asked by cee on June 30, 2014
75. ## Stat 214

Three identical chips, each with 0 on one side and 1 on the other, are to be tossed simultaneously. A. writes the sample space. B. what is the probability of observing the sum of the face-up numbers to equal to 2? C. What is the probability of observing

asked by Erin on October 30, 2017
76. ## maths

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

77. ## math

What is the GCF of 8 and 24? What is the LCM of 8 and 24?Write the sum of 8 + 24 as the product of its GCF and another sum.

asked by jack on November 16, 2014
78. ## Binomial Theoram

If A be the sum of the odd terms and B the sum of the even terms in the expansion of (x+a)ⁿ. Prove that A² - B² = (x²-a²)ⁿ.

asked by Kewal on January 25, 2012
79. ## Math

The sum of all the even numbers less than and inclusive of E is 197580. (a) What is the value of E? (b) What is the sum of all the odd numbers less than E?

asked by chimingbell on February 18, 2018
80. ## G.p.

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

asked by Vijay on October 19, 2016
81. ## precalc

Find the indicated partial sum of the series. infinity E 3(1/2)^i i=1 third partial sum

asked by bbbb on November 11, 2010
82. ## Math

Find the sum of first n terms and the sum of first 5 terms of the geometric series

asked by Anonymous on July 30, 2016
83. ## maths need help

the sum of the first two term of a gp is x and the sum of the last two term of the gp is y,find the common ratio

asked by sun on September 27, 2016
84. ## math

The sum of n terms of a G.P is 10-5/2^n-1, find (a) the sum of the first 4 terms (b) the 4th term

asked by kunfayakun on December 24, 2017
85. ## math

Sum of first 20 tems of an AP is 1/3 of the next 20 terms. If first term is 1. Find the sum of first 30 terms.

asked by shalabh on October 24, 2015
86. ## Math

Find an A.P. such that the sum of the first three terms is one half the sum of the next four terms, the first term being 12.

asked by Jessica on August 18, 2016
87. ## Math

the sum of the integers from 1 to 10, inclusive, is 55. What is the sum of the multiples of 5 from 5 to 50 inclusive? Which equation would I use?

asked by Bethany on February 21, 2015
88. ## Math

the sum of 5 consecutive whole numbers is 2005. what is the sum of all the digits of these 5 numbers

asked by Mo on March 28, 2013
89. ## arithmetic

Assume you roll a fair dice twice. Two rolls are independent and identically distributed, with probability of rolling a particular number being 1/6. So, for instance, the probability of rolling 5 and then 2 is P(5,2) = P(5) ⋅ P(2) = 1/6 ⋅ 1/6 = 1/36

asked by Anonymous on June 2, 2013
90. ## 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

asked by Gibbons on June 22, 2010
91. ## 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

asked by Gibbons on June 23, 2010
92. ## 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

asked by Zayn on February 11, 2013
93. ## 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 and please explain, using a graph of f(x), what the Riemann sum represents. My cousin needs help

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

asked by melissa on December 4, 2015
95. ## 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,

asked by plz plz help, i will fail 7th grade if i fail this on February 6, 2017
96. ## 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

asked by E on October 2, 2010
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

asked by Brianna on October 14, 2014
98. ## working with data

Mary rolls 2 number cubes with sides numbered from 1 to 6. if she rolls a 3 on one of the cubes , what is the probability that the sum of the numbers facing up on both cubes is greater than or equal to 5? express your answer as a decimal rounded to the

asked by jullie on February 23, 2008
99. ## math URGENT!!!!

i have a list of 5 different numbers. the sum of 2 of the numbers is 0. the sum of 2 of the numbers is 1. the sum of 2 of the numbers is 2. the sum of 2 of the numbers is 3. the sum of 2 of the numbers is 4.the sum of 2 of the numbers is 5.the sum of 2 of

asked by dan on October 29, 2012
100. ## Statistics

Which one of the following is NOT an example of discrete data? A. number of households watching the Home Improvement. B. number of employees reporting in sick. C. number of miles between New York City and Chicago. D. number of members of the Dobbs Ferry-

asked by Tykrane on December 13, 2009