Saturday

December 20, 2014

December 20, 2014

Posted by **treshia** on Tuesday, March 22, 2011 at 4:17am.

Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43)

I ahve no idea how to solve this becaue I never seen this type of math before. Someone please help me!

- algebra -
**drwls**, Tuesday, March 22, 2011 at 5:40amAre you sure that (x1 + 43) after the capital-sigma sum sign is not

xi + 43 ?

It makes no sense otherwise.

If the general term is xi +43, add up the xi values from x1 to x15 and add 15*43 to that sum.

**Answer this Question**

**Related Questions**

Math - The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,...

Math - The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,...

Statistics - The following is a list of 13 measurements: -38,-89,-47,-43,-70,59,...

Maths - The vertices of a cube are labeled with the numbers 0,1,2,3,4,5,6 and 7...

quiz - The vertices of a cube are labeled with the numbers 0,1,2,3,4,5,6 and 7, ...

Math - You've got a bucket labeled Apples, and a bucket labeled Oranges, and a ...

algebra ll - One last darn problem.. A square: the top is labeled b+4, the right...

Algebra - One last darn problem.. A triangle: the top is labeled b+4, the right ...

Math - Given two spinners one with four equal parts labeled 1,1,3,4. And one ...

Geometry - Write proof for the following Given: line AC is congruent to line BD...