3 years ago

3^x/3^y = 81 What is x - y?

Mathematics

2 answers:

Cerrena [4.2K]3 years ago

4 0

If (3)

x+y

=81 and (81)

x−y

=3, then the values of x and y are 17/8 and 15/8

Step-by-step explanation:

baherus [9]3 years ago

3 0

answer:

$x - y =4$

steps shown below:

$\frac{3^x}{3^y} = 81$

$3^{x-y} = 81$

$3^{x-y} = 3^4$

$x - y =4$

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