What is the sum of X+XX+XXX+XXXX?

Last Updated: 21.06.2025 08:47

What is the sum of X+XX+XXX+XXXX?

1234X

It’s a matter of interpretation.

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,

How should one handle a situation where they suspect their partner of cheating, but their partner denies it and claims it is all in their head?

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour

as would be assuming that these are representations of conventional numbers, in which case the answer for number bases of five or more would be

11010X

So I’m getting piano lessons and my teacher wants me to get an upright piano instead of a keyboard. An upright piano is way above my price range, so what do I do? And what’s the difference between an upright piano and a keyboard?

Given the use of upper case, I personally would initially assume Roman numerals*, so the answer would be C (100 in present-day decimal notation)

What is the sum of X+XX+XXX+XXXX?

and for binary would be

I have been married for 34 years, and I found out my wife lied, and cheated a lot back before we got married. Does she not change, or is it possible she is still a cheater?