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April 25, 2014

April 25, 2014

Posted by **Kristen** on Sunday, January 27, 2013 at 9:05pm.

Sn=n(a1+an/2) for n (sequences)

- College Algebra -
**Reiny**, Sunday, January 27, 2013 at 11:07pmYour formula is not correct, it should be

Sn = n(a + l)/2 or (n/2)(first + last)

your equation makes no sense

- College Algebra -
**Katie**, Monday, January 28, 2013 at 9:23amI like to change this(1023.065476) whole number into a mix-number to find the volume of the sphere (6 1/4 in) using 22/7 for pie.

- College Algebra -
**Katie**, Monday, January 28, 2013 at 9:27amV= 4/322/7r^ 3

v= 4/3 *22/7*(6 1/4 in)^3

v=3/4 * 22/7 * 15625/64

v= 1023.065476 how to change to a mix-number?

- College Algebra -
**Katie**, Monday, January 28, 2013 at 9:32amV= 4/322/7r^ 3

v= 4/3 *22/7*(6 1/4 in)^3

v=3/4 * 22/7 * 15625/64

v= 1023.065476 how to change to a mix-number?

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