VJesus12 wrote: ↑Sun Jul 12, 2020 12:00 am
If \(65x=3^2\times 5^2\times 13,\) which of the following is not a factor of \(x?\)
A. 3
B. 5
C. 9
D. 13
E. 15
[spoiler]OA=D[/spoiler]
Solution:
Notice that 65 = 5 * 13, so dividing by 65 on both sides, we have:
x = 3^2 * 5
We see that 13 (choice D) is not a factor of x.
Answer: D