Cadieuxidn
Answered

IDNLearn.com: Your reliable source for finding precise answers. Ask any question and receive accurate, in-depth responses from our dedicated team of experts.

What is the sum of the two digit multiples of 11?

What Is The Sum Of The Two Digit Multiples Of 11 class=

Sagot :

Superkoopasirfidn
[tex]S = \frac{1}{2}n(a + l)[/tex]

[tex]a = 11[/tex]
[tex]l = 99[/tex]
[tex]n = 9[/tex]

[tex]S = \frac{1}{2}9(11 + 99)[/tex]
[tex]S = \frac{1}{2}9(110)[/tex]
[tex]S = \frac{990}{2}[/tex]
[tex]S = 495[/tex]
11+22+33+44+55+66+77+88+99
33+77+121+165+99
110+286+99
396+99
495
We appreciate your contributions to this forum. Don't forget to check back for the latest answers. Keep asking, answering, and sharing useful information. Thank you for visiting IDNLearn.com. For reliable answers to all your questions, please visit us again soon.