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The sums of n terms

Which of the following best describes the expression 2a + 3b + 4c + 5d? (4 points)The product of four sums; there are four terms
1. 1 answer
2. asked by KJ
3. 131 views
The sums of the first 8 terms and first 20 terms of an AP are 56 and 260 respectively; find the first term (a) and the common
1. 1 answer
2. asked by Achire
3. 905 views
Look at the sums in the shaded row and column. Look at the addends. Part A What pattern do you see? Select the correct words
1. 11 answers
2. asked by help
3. 122 views
The sums of n terms of two arithmetic series are in ratio of 2n+1:2n-1. Find the ratio of their 10th terms.
1. 1 answer
2. asked by Prince
3. 845 views
Find the first five terms of the sequence of partial sums.∞ E (−5)^n + 1/n! n=1 s1 s2 s3 s4 s5
1. 1 answer
2. asked by Michigan
3. 328 views
Please express in terms of sums and differences in logarithms.log a x^3 y^2 z
1. 4 answers
2. asked by Alicia
3. 2,056 views
Express in terms of sums and differences of logarithms:log_a x^3 y^2 z
1. 1 answer
2. asked by Rachale
3. 1,510 views
Express the series in summation notation where the sums are to n terms. 1-3 + 9-27 +...
1. 2 answers
2. asked by Sinachi
3. 127 views
Express the series in summation notation where the sums are to n terms. 1*3^2+2*4^2+3*5^2
1. 2 answers
2. asked by Sinachi
3. 136 views
write the geometric series using the following sequence that sums the first 100 terms in sigma notation:4,-4/3,4/9,.....
1. 1 answer
2. asked by Dj
3. 80 views