# 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 46
1. ## 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 1, 2013
2. ## 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
4. ## 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
5. ## 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
6. ## 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
7. ## 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
8. ## 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
9. ## math

The sum of 8th term of an A.P is 60 while the sum of 50th term is 880. Find the 43rd term

asked by efe on April 11, 2017
10. ## arithmetic

the sum of the 4th and 8th terms is 10, and the sum of the 6th and 12th terms is 22. Find the first three terms.

asked by esa on January 19, 2012
11. ## 10th math

The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP

asked by Monila sharma on July 30, 2008
12. ## math-average

What is SUM AVERAGE? The professor mentioned that the exam average was 58 [out of 100] and sum average was 144

asked by see on March 6, 2008
13. ## 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
14. ## 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

asked by MAX on April 23, 2012
15. ## 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

asked by rose on May 16, 2015
16. ## 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.

asked by Amrit on October 22, 2016
17. ## 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

asked by Yiu on May 16, 2015
18. ## 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:

asked by Haroon Gondal on November 9, 2015
19. ## 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.

asked by Amrit on October 21, 2016
20. ## 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

asked by Rose on May 18, 2015
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

asked by Yiu on May 17, 2015
22. ## Math/ Probability

Please Help!!! 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 dice is showing a 5?

asked by lisa on May 12, 2010
23. ## math- algebra- help please!

3 dice are rolled let (y,r,b) represent each outcome? a- sample space b- prob rolling a sum of 18 c- prob of rolling a sum less than 5

asked by Zach on April 6, 2011
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.

asked by Anonymous on September 4, 2011
25. ## Geometry

one-half of a number is 8 less than two-thirds of the number. write algebraic equation: the sum of x and 8 is 15 write algebraic equation: 4 more than x is 9 write algebraic equation: 5 less than twice x is equal to 35 write algebraic equation: the product

asked by ji on May 14, 2013
26. ## math

one-half of a number is 8 less than two-thirds of the number. write algebraic equation: the sum of x and 8 is 15 write algebraic equation: 4 more than x is 9 write algebraic equation: 5 less than twice x is equal to 35 write algebraic equation: the product

asked by ji on May 14, 2013
27. ## Math plz fast i really need it

Archie rolls two number cubes each with sides numbered 1 through 6 he then finds the sum of the numbers on the tops of the cubes which two sums have the same probabillity? A. 3 and 4 B. 5 and 9 C. 5 and 8 D. 10 and 12 i need the work involved and i have

asked by Angel on February 21, 2013
28. ## Algebra

Can someone check my work for the following? I am supposed to use the five-step method to solve & check, but I don't know what that is. Anyway 1. One-third of a number is 5 less than half of the same number. What is the number? My answer: 1/3x = 1/2x - 5

asked by Tamir on June 11, 2010

Two numbers have a product of 3 1/5 and a sum of 3 3/5. one of the numbers is a whole number. What are the numbers?

asked by Bob on January 25, 2010
30. ## geometry

Draw three different nonconvex polygons. 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

asked by kristi on May 4, 2010
31. ## 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

asked by Anonymous on December 27, 2010
32. ## math easy challenge

Square Numbers Lagrange's Theorem A famous mathematician called Lagrange proved that every whole number could be written as the sum of 4 or fewer square numbers. Examples: 19 = 16 + 1 + 1 + 1 35 = 25 + 9 + 1 47 = 36 + 9 + 1 + 1 What would 96 be? Please

asked by charly on October 3, 2008
33. ## 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 1, 2013
34. ## Math

Delivery Dilemma. I have a problem where i need to figure out the order of a delivery route. The problem has eight stops in 2 rows. The top row from left to right is Green Grocer, Troys toys, tourist travel, and Myers tires. The second row is directly

35. ## Geometry

In a regular polygon (equal sides and angles), you use (n-2)180 to find out what the interior angle sum is (n=number of sides in polygon) and you divide by that number by whatever n is to find out the measure of an individual angle, right? Well, there is

asked by Emily on September 27, 2007
36. ## Stats-Probability

Would really urgently appreciate answers to these questions. Thanks. 3. Suppose that two lotteries each have n possible numbers and the same payoff. In terms of expected gain, is it better to buy two tickets from one of the lotteries or one from each? 4. A

asked by Johnny on July 13, 2006
37. ## Maths

A super-Fibonacci sequence is a list of whole numbers with the property that, from the third term onwards, every term is the sum of all the previous terms. For example, 1, 4, 5, 10, ... How many super-Fibonacci sequences with 1 involve the number 2016? A.1

asked by Palmer on November 16, 2016
38. ## 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

asked by Agala on May 11, 2017
39. ## 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?

asked by Cons on June 19, 2017
40. ## 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

asked by franklynn on August 21, 2014
41. ## 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

asked by franklynn on August 21, 2014
42. ## physics-vectors

If the magnitude of the sum of two vectors is greater than the magnitude of either vector, then: If the magnitude of the sum of two vectors is less than the magnitude of either vector, then: a. the scaler product of the vectors must be negative b. the

asked by mekeke on August 6, 2007
43. ## 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

44. ## Pre Cal/Vectors

Can someone show the steps involved in figuring out this type of problem? Given the magnitudes of vectors u and v and the angle Ό between them, find the magnitude of the sum u + v to the nearest tenth and the angle that the sum vector makes with u to the

asked by Joe on July 24, 2011
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.

asked by Shohanur on September 19, 2013
46. ## 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

asked by daniel on January 27, 2010
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.

asked by Shohanur on September 19, 2013
48. ## 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.

asked by Pearl on November 24, 2015
49. ## Math

Jefferson Davis, President of the Confederate States of America, lived a square number of years. he died in 1889. The digits of the year in which he was born sum to 17. When was Jefferson Davis Born.

asked by Samantha on October 7, 2008
50. ## algebra

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. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number

asked by Anonymous on March 25, 2010
51. ## Algebra

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. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number

asked by Candace on April 21, 2008
52. ## Algebra

You spin a spinner that has eight equal-sized sections numbered one to eight. Which event is least likely to occur? • The number is even. • The number is less than three. • The number is greater than three. • The number is a multiple of five.

asked by Sandra on May 21, 2014
53. ## Math Urgent

To form a certain sequence, the rules are: 1)If a number is even, divide by 2 to get the next number 2)If a number is odd, multiply by 3, then add 1 to the the next number. Starting with 12,the 1000th term would be... a.1 b.2 c.3 d.4 THANKS

asked by Ms Sue Help ME on August 13, 2015
54. ## 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

asked by Anonymous on April 17, 2008
55. ## 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

asked by Anonymous on April 17, 2008
56. ## ALGEBRA

i NEED MORE THAN JUST THE EXAMPLE i ALSO NEED TO EXPLANATION 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. You reached 1 for an answer, didn’t

asked by SLIM on March 9, 2010
57. ## Math

A student was asked to divide a number by 12. Instead he divided the number by 24. In doing so he got a quotient which was 16 less than the original number. Which of the following cannot be the value of that number. A) 394 B) 398 C) 396

58. ## Math

Write a word phrase for 5p. (1 point) A) the product of a number and 5 B) the quotient of a number and 5 *** C) a number plus 5 D) a number decreased by 5 Someone please check my answer!!!

asked by hi :O on November 20, 2018
59. ## Math

A classroom in a college is 15m long and 12m broad. If the sum of the areas of its floor and the ceiling is equal to the sum of the areas of 4 walls of classroom , the volume of the classroom is.

asked by Noor on August 30, 2014
60. ## algebra

Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.) Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43) I ahve no idea how to solve this becaue I never seen this type of

asked by treshia on March 22, 2011
61. ## math

Hi There- I really need help with this. I'm kind of confused and don't have an answer. if you could explain it ill give you my answer once I understand it. how does the product of a fraction and a whole number compare to the whole number? A. the product is

asked by Tanner on December 19, 2018
62. ## Math - Exponential Notion

Can someone explain this to me please, I cannot help my son with his homework Do you mean exponential notation? y ^ x = "y raised to the x power" Yep - sorry what do u need help with? Yes - I am not remembering how to do powers - etc. can their be a number

asked by Trudy on November 29, 2006
63. ## math

a two figure number is written down at random find the probability a)that the number is greater than 68 b)the number is a multiple of 9 c) it is less than 100 d) it contains at least one 5 (i.e a number such as 15 or 55

asked by arzam on May 2, 2013
64. ## math

yea it sais, three times one number added to another number is 18. twice the first number minus the other number is twelve. find the numbers

asked by Ricky on January 23, 2008
65. ## Math

Define a variable and write a equation to find each number. Then solve. A number equals six less than four times a number. What is the number?

asked by Anonymous on November 5, 2018
66. ## Math

The average of four possible numbers is 15. The second number is 2 times the first number. The third number is twice the second. What is the largest number? Would these be consecutive integers? And then you find the median??

asked by Jessica on November 5, 2017
67. ## chemistry

Which of the following has the greatest effect on the properties of an element? A. the number of ions B. the number of protons C. the number of neutrons D. the number of electrons

asked by junior on September 14, 2010
68. ## algebra

Please help me find the domain for the following functions. If I understand this correctly I can use any number as long as the denominator does not equal zero 1) y = 7/(1 +x) can be any number except -1 2) y = -2/(6- x) can be any number except -6 3) y =

asked by kelly on July 16, 2011
69. ## 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

asked by Anonymous on October 20, 2009

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

asked by jamar on January 15, 2014
71. ## Algebra

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. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number

asked by Spring on August 25, 2010
72. ## 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

asked by Ereny on February 3, 2015
73. ## Maths

Suppose that T= ar^n-1 is a GP with a limiting sum. a) Find the common ratio r if the limiting sum equals 5 times the first term. (Answer: r=4/5) b) Find the ratio if the sum of all terms except the first equals 5 times the first term. (Answer: 5/6) Thanks

asked by Fred on October 24, 2018
74. ## Math

1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... 2. Is this a geometric sequence? 2x, (4x-2), (6x-4), ..... 3. Show the equivalent values of the decimal 0.7575757575..... in fraction form. 4. What is the sum of the geometric

asked by Brianna on October 16, 2014
75. ## Trigonometry

How to memorize the sum-to-product and product-to-sum formulae more easily ?? I know how to deduce the formula but when i try to memorize it, its so hard. Always sin, cos, a+b, a-b, i always get confused. Is there any way to memorize more efficiently??

asked by Tommy on July 21, 2008
76. ## computer

Write an algorithm for a program that accepts a set of numbers and finds the smallest among them and computes the sum of the numbers accepted. The program stops when the user enters number 999. Convert the algorithm into flowchart

asked by Anonymous on December 7, 2015
77. ## Algebra

I need some help with algebra as I'm confused as to how to solve them. Find the common difference d and the value of a1 using the information given. 1. a6= 5/4, a8= 9/4 Evaluate each sum. 2. E like symbol that has a 29 on the top. On the bottom n=1 and to

asked by Jenny on April 8, 2013
78. ## Chemistry

Fill in the missing information in the following table of four neutral atoms Symbol- 37Cl number of protons- 36 46 number of neutrons- 42 number of electrons- 33 mass number- 77 106

asked by Tiffany on January 25, 2012
79. ## Algebra

Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks,

asked by Kelly on April 30, 2009
80. ## MATH

SUM OF THE FOUR CONSECUTIVE NUMBERS IN AN AP IS 32 AND THE RATIO OF THE PRODUCT OF THE FIRST AMD LAST TERMS TO THE PRODUCT OF TWO MIDDLE TERMS IS 7 RATIO 15 FIND THE NUMBER

asked by TUFFY on February 11, 2019
81. ## 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

asked by Tech_Nic on March 6, 2018
82. ## 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.

asked by nainai on January 14, 2013
83. ## 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?

asked by Carol on June 4, 2013
84. ## 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.

asked by Jacqueline on August 28, 2015
85. ## 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.

asked by miracle on October 24, 2014
86. ## 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

asked by anonymous on December 9, 2007
87. ## 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 the

asked by raja harishchandra on June 11, 2013
88. ## 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?

asked by Elija on February 22, 2016
89. ## 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.

asked by glory on April 24, 2016
90. ## 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

asked by Amansandhuwilldie on March 27, 2016
91. ## 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

asked by Anonymous on September 8, 2013
92. ## 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

asked by Anonymous on April 24, 2016
93. ## MATH

Which two different even numbers (less than 10) have the sum of 12? (whose sum is 12)

asked by Amy on August 8, 2011
94. ## maths

A coin box contained some twenty-cent and fifty-cent coins in the ratio 4 : 3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

asked by Tim on January 27, 2014
95. ## maths

1.what is the least number of terms of the GP.2,4, 8.....that will give a sum greater than 1500000 2.Aball allowed to drop from heigth of 3m on to a horizontal ground rebounds to3/4 of its previous heigth.Find to the nearest metre,the total distance the

asked by keneth on January 20, 2016
96. ## Math

A local kindergarten is thinking of making posters that show all the different ways of adding two or more integers from 1 to 9 to get a sum of 10. If there is enough space on each poster for up to 50 possible solutions, how many posters will the school

asked by Anonymous on September 12, 2018
97. ## Accounting

you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, \$500,000 semiannual payments starting today, or you can take your winnings in a lump-sum payment now based on 7% annual interest rate. Determine the

asked by Jessica on July 4, 2011
98. ## math

Consider the following sums of numbers and how they are formed: 1 odd number } 2 odd numbers 678 3 odd numbers 64748 Predict the following sum and complete the generalization: a. 1 + 3 + 5 + 7 + 9 + 11 = ? b. 1 + 3 + 5 + Á + (2n - 1) = ?

asked by Ty on January 20, 2010
99. ## Math

Write the word sentence as an equation. The product of a number m and 2 is 8 2m=8 6 less than a number t is 7 t-6=7 A number m increased by 5 is 7 ? 8 is the quotient of a number g and 3 ?

asked by Zero on March 9, 2015
100. ## SCIENCE

How do you figure out the following ..?::::: Mass Number Number of Protons Number of Electrons (OF A ELEMENT) Number of Neutrons Thanks ~ Courtneeeey (:

asked by Courtney on September 6, 2011