Answer:
k=2
Step-by-step explanation:
3^k*2 * 3^-k+2 = 81
Factor out 81 to be : 3^4
Rewrite the equation:
k*2 - k+2 = 4
k^2 - 2k = 4
Simplify : k+2 = 4
<u> - 2 - 2</u>
k = 2
Answer:
what is the measure of AC?
B.39°
There are 22 total fish in the tank because 8 got doubled so 11 would also have to get doubled
Answer:
5 hotdogs
Step-by-step explanation:
23 (4 drinks and some hotdogs )
hotdogs is $3 each
drinks is $2 each
$2×4 drink=$8
$23-$8=$15
$15÷3=5
It should take 45 minutes. 18/12=1.5
30 times 1.5 is 45
