Given that :
log3=0.477 , log4=0.602 and log5=0.699
Now , as you know that

We have to find the value of

So,
=
= 
Now Putting the values of log3, log4 and log5 in the above expression

=1.0079/0.699
=1.5436..
=1.544 (approx)
So, the value of
is 1.544(approx).
Answer:
C - 30/10
Step-by-step explanation:
6/10 = 0.6 *5 = 3
30/10 = 3
The answer is B. -3 ________
Hold your arms out side to side. thats undefined so it's not A. its B
Sometimes it will, and sometimes it won't.
I reason as follows:
(21 + x) + (30 + 2x) = 51 + 3x has an 'x' term
(42 + x) + (30 - x) = 72 has no 'x' term.