Answer:
x = 2
Step-by-step explanation:
(x² logₓ27) log₉x = x + 4
Use change of base formula.
x² (log 27 / log x) (log x / log 9) = x + 4
Simplify.
x² (log 27 / log 9) = x + 4
x² (log 3³ / log 3²) = x + 4
x² (3 log 3 / (2 log 3)) = x + 4
x² (3 / 2) = x + 4
3x² = 2x + 8
3x² − 2x − 8 = 0
(x − 2) (3x + 4) = 0
x = 2 or -4/3
Since x > 0, x = 2.
Answer:
6.50 per mile
Step-by-step explanation:
8:30 to 12:30 is 4 hours, 12:30 to 5:30 is 5 hours. So, the total hours is
4 + 5 = 9
9 hours
30 millimeters is the difference between the two heights
Answer:
b20%
Step-by-step explanation:
tengo que seguir escribiendo
