Answer:
the value of x-1/x is given down
Step-by-step explanation:
=(x+1/x)²=x²+1/x²+2
=(5)²=x²+1/x²+2
=x²+1/x²=25-2
=x²+1/x²=23 this is the answer
if u ask there how 25 came means there (5)² is that u should multiply 5×5 and u will get 25bas the answer
Answer:
how much time did it take him???????
Step-by-step explanation:
The answer would be f(5)=5x+15 I think.
$91 because 10% of 70 is $7 and 20% of 70 is $14 so 7+14+70= $91
I also believe B is the answer...i belive :)
