# algebra

posted by .

the sequence 29, 31, 33, 35, 37.... 49 has 11 terms. Evaluate the related series..
my teacher said its 429 don't see how she got it

• algebra -

I believe you just add 29+31+33+35+37+39+41+43+45+47+49 which are 11 terms =429

• algebra -

sum = #of terms(first + last)/2
= 11(29+49)/2
= 429

## Similar Questions

Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms?
2. ### Sequence and series

Do you know the difference between a sequence and a series?
3. ### algebra

I need help answering these questions 1. State the Common Ratio of the following Geometric sequence 3/4 , 3/10 , 3/25 , 6/125 2. In the Arithmetic Sequence below, X = ___ 100 , ___ , _X_ , 64 3. For the Geometric Sequence below, X …
5. ### Algebra 2: Sequences and Series

I have this question and I don't understand what it's asking for. It says evaluate, is it asking for the missing term or what?
6. ### algebra 2

A. consider the finite arithmetic series 10+13+16+...+31. how many terms are in it?
7. ### Algebra

I have a few problems I need some help with. The first is Evaluate the sum. 1. There is an E like symbol on the top is 10 on the bottom n=1 and to the right (7-2n) 2. The next question is find a10 for an arithmetic sequence with a1=6 …
8. ### Algebra

Given ________, – 243, – 226, – 209, – 192, – 175, … a. What is the 67th term of the sequence b. What is the series of the first 27 terms of the sequence
9. ### Algebra 1 Honors

Write an equation for the nth term of the arithmetic sequence. Then graph the first five terms in the Sequence. -3,-8,-13,-18 I got 5n-8 as my formula. Then plugged 5 in for n and got 17 for the 5th number in the sequence. Is this …
10. ### Series

One sequence of alternating terms of the series 1+2+3+4+5+8+... forms an arithmetic progression, while the other sequence of alternating terms forms a geometric progression. Sum the first 10 terms of each progression and hence find …

More Similar Questions