Wednesday

April 1, 2015

April 1, 2015

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!

**Answer this Question**

**Related Questions**

Maths - Greg and Martin's age when added together come to a total of 60 years. ...

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

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 ...

English - 1. Vivien and Fiona visit their friends on every Friday. 2. Vivien and...

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

Math - The product of Greg's age and 5 is 55 Use the variable G to represent ...

Algebra - Need a formula; the product of two consecutive integers is 41 more ...

algebra - Find the two consecutive odd integers such that 5 times the first ...

Math - Suppose you have two numbers. The difference of the two numbers is 12. ...