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20 Answered Questions for the topic Sigma

Sigma Pre Calculus

04/24/18

Converting a series to sigma notation

Convert the following series into sigma notation: 1+4+16+...256
Sigma Pre Calculus

04/24/18

Converting a series to sigma notation

Write the series -8+4-2+1 in sigma notation. 
Sigma Pre Calculus

04/24/18

Write the following series in sigma notation: 1+4+16+...+256

 There are no additional details following my question
Sigma Sums

01/19/18

sigma notation

explain why 99Σ (j-1)/(j+1)j=0equals100Σ (j-2)/jj=1
Sigma

04/02/17

solve for f (-2) if...

if f(x)=   5              ∑    (ix + i2 ),  then f(-2)= ?              i=2
Sigma

04/02/17

what is the value of the following sigma notation?

 5  ∑   (i^2 -3) i=2
Sigma

04/02/17

for any value of x, the sum of the following sigma notation is equivalent to?

 3  ∑   k(2x-1) k=0
Sigma

04/02/17

in terms of a, what is the value of sigma...

 7                6  ∑     ar^k - ∑   ar^k  if r=2?  show work. k=1            k=0  
Sigma

04/02/17

express the following sum using summation (aka sigma) notation:

1/8 + 1/4 + 1/2 + 1 +2 + 4 + 8 + 16
Sigma

10/03/16

A population has a sigma=2, what is the standard deviation for the population?

A population has a sigma=2, what is the standard deviation for the population?

02/14/16

AP 1st term=x+1, 2nd term=2x-1, 4th term=2x+5, find x, a, d

AP 1st term=x+1, 2nd term=2x-1, 4th term=2x+5, find x, a, d   Please help me how to find even one of these values. I don't even have the sum of given terms, so I really have no value to progress. 
Sigma Precalculus

08/17/15

Help with sum of notation

Can you ever represent series in sigma notation? can the series 1+4+9+61+52 be represented in sigma notation

08/17/15

Can you represent ever series in sigma notation

can you?   can the series 1+4+9+61+52 be represented in sigma notation 
Sigma Sum

03/26/14

Find the indicated sum

Find the indicated sum (∑^20 n=0) 5(5/3)n=
Sigma Notation Sum

03/23/14

write the sum using sigma notation

Write the sum using sigma notation: 1+2+3+4+......+105= A ∑ n=1 B A= B=  
Sigma

03/23/14

evaluate the following

20 ∑ n=o (-1)n2n 
Sigma Trigonometry

03/23/14

evaluate the following

sigma^26 n=0(-1)n2n
Sigma

03/21/14

evaluate the following

sigma26 n=0(-1)n2n
Sigma Sum

03/21/14

evaluate the sum

(4 sigma k=0) ((-1)k(k+3)2+4)  
Sigma Notation

03/21/14

write the sum using sigma notation

Write the sum using sigma notation: 1+2+3+4+.....+105=ΣB n=1 A= B=

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