Question
If 142n =47ten find the value of n
Answers
Typos? Don't know what "47ten" means. Whatever it means, divide both sides by 142 to get the value of n.
n^2+4n+2 = 47
n^2+4n-45=0
(n+9)(n-5) = 0
n=5
check:
142<sub><sub>5</sub></sub> = 25+20+2 = 47<sub><sub>10</sub></sub>
n^2+4n-45=0
(n+9)(n-5) = 0
n=5
check:
142<sub><sub>5</sub></sub> = 25+20+2 = 47<sub><sub>10</sub></sub>
5
n=5
Find n if 14.2n=4710