Let the number be x Twice a number means 2x 7 less than twice a number means 2x-7
twice a number means a number times 2
No it cannot. Irrational means "not rational".
To decrease a number means to take away, or subtract, something from the number.
The noun number is a symbol or word used to denote a counted or measured value. There are an infinite number of such values, either as integers, ordinals, or fractions.The verb number means to assign values, count, or organize by value.The adjective number means "more numb."
Assuming these are two separate numbers...cc = 200 and xcvii = 97
XCVII = 97
Guessing you are looking for 97.
If you mean what is XCVII, it is 97.
It is: XCVII = 97
C = 100 and X to the left of it means subtract 10 so that's 90. VII = 7 so 97
The Roman Numeral XCVII is equal to 97.
Today 97 is now considered to be XCVII in Roman numerals but the ancient Romans would have expressed it quite differently.
97Improved Answer:-XCVII = -10 +100 +5 +1 +1 = 97
The X before the C means 100 minus 10. This converect to 97 in Arabic numerals.
97
XCVII