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An arithmetic sequence is represented as 5 , 9 , 13 , ... with the nth term represented as 4n + 1. Write a formula to represent the sum of the first n terms.
answered
Nov 9, 2018
Mathematics
middle-school
5
votes
168k
views
Compared to homeostatic regulation by the nervous system, homeostatic regulation by the endocrine system __________.
answered
Sep 9, 2018
Biology
high-school
0
votes
213k
views
How many tens are in 120,000
answered
Jul 25, 2018
Mathematics
middle-school
2
votes
23.9k
views
What are the domain and range of the piecewise function below?
answered
Mar 9, 2018
Mathematics
high-school
6
votes
56.1k
views
Solve v= 1/3πr^2h for h
answered
Dec 13, 2017
Mathematics
high-school
1
vote
88.3k
views
When dividing exponents with the same base, keep the base and subtract the powers
answered
Aug 22, 2017
Mathematics
middle-school
3
votes
132k
views
Is aluminium malleable or rigid?
answered
Aug 19, 2016
Chemistry
high-school
0
votes
46.9k
views
In which sentence does the hyphen correctly divide a word? A. Our hockey team scored a su- dden victory. B. Our hockey team scored a sudd- en victory. C. Our hockey team scored a sud- den victory.
answered
Jul 1, 2016
English
high-school
7
votes
208k
views
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