Find the sum of each of the following. 1. Integers from 1-50 2. Odd numbers from 1 to 100 3. Multiples of 3 from 15 to 45 4. First 20 terms of the arithmetic sequence -16, -20, -24,... 5. Numbers 1 to 81 which are divisible by 4. 6.
Added by William T.
Close
Step 1
Set of integers from 1 to 100: To find the sum of a set of consecutive integers, we can use the formula for the sum of an arithmetic series: Sn = (n/2)(a + l), where Sn is the sum, n is the number of terms, a is the first term, and l is the last term. In this Show more…
Show all steps
Your feedback will help us improve your experience
Joy Squicciarini and 74 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Find the sum of all the odd integers between 100 and $500 .$
Sequences, Induction, and Probability
Arithmetic and Geometric Sequences
Find each sum as described. The sum of the first 50 positive odd integers?
Further Topics in Algebra
Arithmetic Sequences and Series
Find the sum of the finite arithmetic sequence. Sum of the first 100 positive odd integers
Sequences, Series, and Probability
Arithmetic Sequences and Partial Sums
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD