# math

posted by .

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) = ?

• math -

678 is not "two odd numbers"

What are you trying to say?

• math -

90

## Similar Questions

1. ### Mathematics - Cardinal Number

Hi, This is a really easy question. I think I am analyzing it too much: Find the cardinal number of the following set: {1,3,5,.....1001} Thanks in advance. Ok, the cardinal number is the numbe of members of a set. The set you've given …
2. ### Geometry

Working on conjectures. The question is Conjecure: The product of any two odd numbers is _____?
3. ### math

suppose a pair of dice is rolled. Consider the sums of numbers on the top of the dice. Find the probabilities: a) P(5, given that the sum are odd) b) P(odd, given that the sum rolled is 5) c) P(7, given that one of the dice rolled …
4. ### SUMS?

what is the sum of the first towo odd numbers?
5. ### math

if you have 3 rows and three columns and you have to find the hidden numbers. each number is less than 100,the sum of the digits of each number in column 2 is 10,the sum of the numbers in column 1 is 30,row 1 contains odd multiples …
6. ### Math

make a conjecture for the following show work the sum of an even and odd number. - the product of two odd numbers.
7. ### Math

Sum the first two odd numbers, then the first three, the first four, and so on. From these observations could you guess the sum of the first 100 odd numbers?