# 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 71-
## arithmetic

Find the sum of the first 40 terms of the arithmetic sequence. 19, 24, 29, 34

*asked by Lindsay on November 17, 2010* -
## math

the quotient of 100 by 4 is equal to yhe sum of 8?

*asked by race on February 29, 2016* -
## Please Help ! Calculus

Find two numbers whose sum is 42 and whose product will be at the largest possible.

*asked by Wawen on April 10, 2016* -
## Algebra

For what value of x is the double product of the binomials x+2 and x–2 is 16 less than the sum of their squares?

*asked by Anish Panda on February 27, 2016* -
## Math

What is the sum of all prime numbers less than 500 with only 3s and 4s as digits

*asked by Mags on January 10, 2017* -
## Maths

X varies directly as the product of u and v and inversely as their sum. If x=3 when u=3 and v =1, what is the value of x if u=3 and v=3

*asked by Ifeoluwa on February 18, 2016* -
## Math

Use induction to prove the sum of the first n odd numbers, or 1 + 2 + 3 +....+ (2n 1) = n^2

*asked by Hu on September 23, 2012* -
## math

For all x greater than 2, let *x be defined as the sum of the positive integers less than x. What is the value of *16 - *13?

*asked by Carly on September 28, 2013* -
## math

find the sum of the first 10 terms of geometric series with a[2]=(1)/(2) and r=2

*asked by Anonymous on May 3, 2012* -
## math

What would the expression be if the problem was "the sum of four consecutive numbers." ?

*asked by Samantha on January 13, 2014* -
## MATH I NEED HELP PLEASE!

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

*asked by Please help me! on January 20, 2011* -
## Math

Use a sum formula to show that cos(2u)=2sinucosu

*asked by Matt on April 18, 2016* -
## Math

what is the sum of the solutions of the equation |2x-7|=11? A) -9 B) -7 C) 5 D) 7 E) 9 ***What is the most efficient way to solve this?

*asked by David on March 1, 2014* -
## Math

How you solve this in inequality form? Six less than or equal to the sum of 4 and -2x.

*asked by Jake on September 25, 2013* -
## Math

show the make -a- ten fact you used with sum?

*asked by Frankie on October 19, 2010* -
## Math

Prove that the sum of angles of a quadrilateral is 360.

*asked by Gauri on July 18, 2018* -
## maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7

*asked by sanjay on December 6, 2016* -
## math

a geometric progression is given as 8/81-4/27+2/9.find the sum of the first five terms.

*asked by favour on November 12, 2018* -
## Maths,

A certain 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 #2.10k. How much is the sum of money?

*asked by Pee on February 19, 2017* -
## math

without adding, how do you know that the sum of 36.179 and 8.63 will have a 9 in the thousandths place?

*asked by jamysha on September 25, 2013* -
## Trig

What is the sum of the arithmetic series where n=100 , t1=7 and t2=205

*asked by Kiki on April 29, 2014* -
## maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.f is 7

*asked by sanjay on February 3, 2017* -
## 5th grade

The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.

*asked by Tim on September 21, 2009* -
## math

Find the sum of the arithmetic progression 4 + 9 + 14 + 19 + …….94 + 99 + 104

*asked by dan on June 13, 2012* -
## Algebra 2

How would I find the sum of the geometric series given? 1/5 - 1/25 + 1/125

*asked by Greg on May 12, 2012* -
## math

Find three even consecutive integers such that the sum of the first two exceeds the third by 16.

*asked by hino on December 6, 2016* -
## Math

How do I write the equation for this: sum of ten and nineteen

*asked by Lee on June 25, 2016* -
## math

how can you determine whether a sum of several numbers such as 13plus45plus24plus17 is even or odd?

*asked by madeline on September 9, 2012* -
## algebra

Find the sum: -15+4+(-10) 22+(-4)-15 Can you show me work too I think that'll help me understand better.

*asked by Cookie on March 16, 2015* -
## Math

How do I write the equation for this: sum of ten and nineteen

*asked by Lee on June 25, 2016* -
## Math

Find two mixed numbers so that the sum is 7 2/4 and the difference is 5

*asked by Caitlin on March 10, 2016* -
## maths

divide the sum of 13/5 and -12/7 by the product of -31/7 and 1/-2 and add the result to (-2/3-1/3)

*asked by shehzad on April 19, 2015* -
## Partial Sums

Suppose that the nth partial sum of the series ∞ Σn=1 an is sn = 5n − 2 5n + 2

*asked by Tim on January 18, 2017* -
## Algebra

Subtract (5x²-6x+4) from the sum of (-3x²+3x+1) and 2x²-5x+7)

*asked by Gler on June 15, 2016* -
## math

find the sum of each arithmetic series (a)5+8+11+....to 20 terms

*asked by machaka on January 22, 2017* -
## Further math

If the sum of the first n terms of the series 4 + 7 + 10 + ... is 209, find n.

*asked by Ayomide on April 16, 2016* -
## 5th grade math

Rounded to the nearest tenth, what is the sum of 47.368 + 58.75?

*asked by kim on December 15, 2013* -
## rutgers

how do you get a standard deviation of 1.04563 when the sum of x=238, n=25 and the mean is 9.52

*asked by tangela on February 22, 2014* -
## math

Find three consecutive odd integers whose sum is -33.

*asked by breanna on September 24, 2012* -
## Algebra 2

5+(-5/2)+(5/4) Sn=189 Find n for the given sum if the geometric series

*asked by Rachel on May 7, 2012* -
## math

There are 4 positive numbers whose sum is 60. Their maximum product will be :

*asked by ataur on January 13, 2011* -
## algebra

find 3 consecutive integers such that the sum of the squares of the first and second is 2 more than the third

*asked by luke on April 10, 2015* -
## math

If the sum of n terms of the series 4+7+10+... is 209, find n

*asked by Ayomide on April 16, 2016* -
## Math

Write an equation. The sum of 2 consecutive integers 48.

*asked by lostinmathclass on April 20, 2009* -
## trig

write sin4xcos2 as the sum or difference of two functions.

*asked by Calvin on May 17, 2012* -
## math

What are some strategies a student might use for finding the sum of 7 + 9 if they did not know the answer?

*asked by Anonymous on March 24, 2011* -
## Algebra

Is it possible to factor a sum of two squares by using real numbers?

*asked by Liz on July 26, 2012* -
## introduction to programming

Write a program to find the sum of the series: 1/12+1/22+1/32+…..1/n2.

*asked by jamshaid on April 21, 2014* -
## math

For all x greater than 2, let *x be defined as the sum of the positive integers less than x. What is the value of *16 - *13?

*asked by Anonymous on September 28, 2013* -
## Math

What is the 5th of 9 consecutive whole numbers whose sum is 153 is what?

*asked by Lilly on December 9, 2016* -
## Math

Find three consecutive even integers whose sum is 252

*asked by Ciara on June 13, 2012* -
## maths

Calculate S20 if the sum of the squares of the first integers is given by Sn=n(n-1)(2n+1)/6

*asked by nana on February 5, 2017* -
## Math

Write an equation. The sum of 2 consecutive integers 48.

*asked by lostinmathclass on April 20, 2009* -
## aksu

Find the sum of vectors A=5m

*asked by offiong christiana on February 6, 2017* -
## Math's

Please can you help me answer there questions? You have to do the sum's in the bracet's first. 2 (4a+7) 3 (2f+B) 5 (7+2x) 6 (2b-6) 12(6q-4) Thank's for helping!

*asked by Channel on February 25, 2009* -
## MATH

IS ABOUT ESTIMATE THE SUM ROUNDING TO THE THOUSANDS PLACE

*asked by KARELIN GONZALEZ on January 13, 2011* -
## Algebra help please!

Write the sum of the two vectors as an ordered pair. (6,-5) and (3,3) A. (-,-2) B. (6,1) C. (1,6) D. (-2,9)

*asked by Kirston on May 7, 2014* -
## math

estimate a range for the sum of 4.987, 28.27, 0.098

*asked by libby on October 21, 2018* -
## math

What is the angle sum of a regular polygon with 7 sides

*asked by danny on August 30, 2012* -
## maths

find the sum of 2 , 3 and 1 - - - 5 4 10 give me the total answer

*asked by dhruv on April 12, 2011* -
## Polynomials

Can someone please help me get the sum difference and product of this problem I am so lost x^3+ 2x-5∶ x^4-x^3+ 3x^2- 2x+3

*asked by albert on September 19, 2013* -
## Algebraic Expressions

ic expression for the following word phrase product of 7 and the sum of 3 and z is it 3+7 ---- 7 please help Thank you

*asked by Alex on September 23, 2013* -
## Calculus

Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.

*asked by Brock on July 5, 2012* -
## math

Find a pair of integers with a product of -84 and a sum of 5?

*asked by jarron on August 8, 2013* -
## math

Find a pair of integers with a product of -84 and a sum of 5?

*asked by jarron on August 8, 2013* -
## SCIENCE

HOW MANY TERMS OF GP 1,2,4,8..... GIVE A SUM GREATER THAN 500.

*asked by ENOCH on April 1, 2016* -
## math

Find a pair of integers with a product of -84 and a sum of 5?

*asked by jarron on August 8, 2013* -
## probability

Two dice can be tossed in 36 ways. In how many of these is the sum equal to: a.) 4 b.) 7 c.) 11

*asked by Sharon on October 7, 2009* -
## mathematics

how many terms in the series 18-16-13-....must be added to give a sum of 44?

*asked by ellen mkhwanazi on February 2, 2014* -
## algebra 1

The sum of two consecutive even integers is -34 . What is the smaller integer?

*asked by Alex on March 17, 2014* -
## Math algebra

Write the following as a sum and/or difference of logarithms log((∛x^2+1)/(x^2-1))

*asked by Josh on May 1, 2012* -
## Pre-Algebra

Write an expression for the model. Find the sum. A. 2 + 3; 5 B. 2 + (–3); 1 C. 2 + (–3); –1 D. –3 + 2; 5

*asked by Storm on April 30, 2014* -
## math

Find the sum of the first 15 terms of the geometric sequence. ∞ Σ 3n − 1 n = 1

*asked by ben on May 13, 2018* -
## pre-algebra

Difference and sum of cubes; please help me solve this problem; 8t^3 + y^3

*asked by Barbara Passmore on November 22, 2013* -
## pre algebra homework check

Find the sum or difference. 4s^2-11s+s^2-6s+21 Is it 5s^2-17s+21?

*asked by amy on May 30, 2012* -
## Physics

Find the sum of vectors A=5m

*asked by Charles on March 8, 2016* -
## Problem solving

Two numbers that have a sum of 7869 and a difference of 1879

*asked by Anonymous on April 22, 2015* -
## geometry

the sum of a polygon with(2n-3) sides is 62 righht angles

*asked by Anonymous on May 8, 2012* -
## maths

If two dice are toced what is the probility of having a sum of 5 as the outcome(a)1/9(b)1/6(c)1/8

*asked by Roy on September 10, 2013* -
## math

sum of 1 to 198 odd positive intigers

*asked by anil on February 14, 2016* -
## ICT

write an algorithm to find the sum of two numbers

*asked by ABUBAKARI on November 28, 2013* -
## Math

Find three consecutive integers such that nine less than three times the third is seven more than the sum of the first and second.

*asked by Kirandeep on October 2, 2013* -
## algebra

add equation (5x^8 -5z^4+5z^2+3)+(3z^6+4 z^4-9z) simplify answer to sum

*asked by Ann on May 29, 2015* -
## math help

S is the sum of n integers and A is their average. Which of the following statements is correct? (A) S=A+n (B) S=nA (C) A=nS (D) N=AS (E) None of these

*asked by Tomas on August 7, 2013* -
## Polynomials

can someone show me how to get the sum, difference and product of this problem 2x^2-1∶ x^3- x^(2 )+ 2^x- 1

*asked by terrance on September 18, 2013* -
## expression help

which is the sum or difference is equivalent to the following expression 3x-2/9 *fraction*

*asked by Alex on September 24, 2013* -
## Math

-90+30+-10+(10/3)... Find the sum of the first 10 terms ( Express as a fraction)

*asked by Fonzeworth on May 10, 2009* -
## algebra 2

what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5

*asked by kathy on April 6, 2014* -
## statistics

The sum of the measures of all angles in any 10-gon is how many degrees?

*asked by veronica on May 11, 2011* -
## Polynomials

can someone show me how to do the sum, difference and product for this problem

*asked by terrance on September 18, 2013* -
## math

find two numbers whose product is N^2 and whose sum is a minimum

*asked by cheryl on February 14, 2011* -
## Algebra

find the sum of the infinite geometric series 4+1+1/4+...

*asked by Keonn'a on September 28, 2018* -
## 7th G-Math

Which two integers have a positive quotient and a negative sum? a. -9 and -3 b. -6 and 2 c. 5 and 1 d. 8 and -4

*asked by Nastia on September 11, 2012* -
## Math

Can the sum of two mixed numbers be equal to 2? Explain why or why not.

*asked by Hero on February 5, 2014* -
## math

3. Use benchmark to estimate the sum, difference, or product 14/16 + 1/5 A. 2 B. 0 C. 1/2 D. 1** 4. 5 2/11- 3 2/18 A. 3 B. 1 C. 4 D. 2** 5. 7 1/13 • 4 15/17 A. 28 B.35** C. 48 D. 40

*asked by oof on November 5, 2018* -
## maths

Find the sum and product of the roots of the following equation. x^2 - 4x + 1 = 0

*asked by Francois on August 14, 2013* -
## maths

Find all possible pairs of two natural numbers whose sum is 77 and their g.c.d. is 7

*asked by sanjay on December 8, 2016* -
## Math

estimate the sum or difference by rounding the nearest one 9.87 +4.05

*asked by Winston on November 11, 2010* -
## Geometry progression

Find the n th term and the sum to n terms of the series: 1+(1+2)+(1+2+2^2)+...

*asked by Warnar on December 7, 2016* -
## MATH HELP ME NOW PLEASE!!

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1 HELP PLEASE!!!!!!

*asked by Please help me! on January 20, 2011*