Monday

April 21, 2014

April 21, 2014

Posted by **astrid** on Wednesday, March 19, 2008 at 6:48pm.

- algebra -
**Damon**, Wednesday, March 19, 2008 at 7:12pmn and (n+1)

Star in Swedish :)

n(n+1) = 11 + n + (n+1)

n^2 + n = 2 n +12

n^2 - n - 12 = 0

(n-4)(n+3) = 0

try n = 4

then n+1 = 5

check:

4*5 = 20

4+5 = 9

sure enough, 20 = 9 + 11

- algebra -
**astrid**, Wednesday, March 19, 2008 at 7:22pmOkay thank you so much!

**Related Questions**

algebra - Five times the smallest of three consecutive odd integers is ten more ...

math, algebra - 2a+2ab+2b I need a lot of help in this one. it says find two ...

algebra - The sum of two consecutive integers is between 5 and 9. What are the ...

Math - The product of two consecutive even positive integers is 120. Find the ...

math - The product of two consecutive positive even integers is 48. Find the ...

math - The product of two consecutive positive integers is 11 more than their ...

Amanda - The product of two consecutive positive integers is 11 more than their ...

Algebra - The sum of two consecutive integers is -15. what is the product of the...

Algebra - The sum of the squares of two consecutive positive even integers is ...

Math - What is the smallest of 3 consecutive positive integers if the product of...