SOLUTION: 3 to the square root of 21x Which value of x makes the expression equivalent to 12 to the square root of 21?

Algebra.Com
Question 1012596: 3 to the square root of 21x
Which value of x makes the expression equivalent to 12 to the square root of 21?

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
3 to the square root of 21x
Which value of x makes the expression equivalent to 12 to the square root of 21?
=
square both sides
9(21x) = 144(21)
189x = 3024
x = 3024/189
x = 16
:
:
See if that checks out
=
=
9(336) = 144(21)
3024 = 3024

RELATED QUESTIONS

I have 3 to the sqrt of 21x. Which value of x makes the expression equivalent to 12 to... (answered by Fombitz,fractalier)
which expression is equivalent to 3x/square root of... (answered by ewatrrr)
the expression square root of 150 is equivalent... (answered by checkley71,ikdeep)
Which expression is equivalent to Square root of 75x^3 - Square root of 27x^3 , if x >... (answered by ewatrrr)
which choice i equivalent to the quotient square root 12(x-1) divided by square root... (answered by stanbon,ewatrrr)
Question 5 of 15 Multiple Response: Please select all correct answers and click... (answered by stanbon)
Which is equivalent to 4 and square root of 3? 1)square root of 16 2)square root of 19 (answered by jim_thompson5910)
Please help to solve square root of x + 2 = the square root of x... (answered by ankor@dixie-net.com)
2 to the square root of x minus 3 to the square root of y over the square root of x... (answered by Alan3354)