3
-1
2
-3
1
Correct answer is E
32y + 6(3y) = 27
This can be rewritten as (3y)2 + 6(3y) = 27
Let 3y = x
x2 + 6x - 27 = 0
(x + 9)(x - 3) = 0
when x - 3 = 0, x = 3
sub. for x in 3y = x
3y = 3
log33 = y
y = 1
The volume of a cube is 512cm3. Find the length of its side...
The median of the distribution is ...
Evaluate (212)\(_3\) - (121)\(_3\) + (222)\(_3\)...
I am x years old and my brother is 3 years older. How old was my brother last year? ...
Find all real number x which satisfy the inequality \(\frac{1}{3}\) (x + 1) - 1 > \(\frac{1}{5}\)...
Find the smallest number by which 252 can be multiplied to obtain a perfect square ...