Step-by-step explanation:
Take the natural log of both sides:

Logarithm rules allow you to bring down the exponents:

Now differentiate. We will have to implicitly differentiate 'y' since it is a function of 'x'. Both sides require the product rule:

Isolate the terms that have y' since that is what we want:

Factor out y' to get:

Therefore:

Answer: 7 hours left!
Step-by-step explanation:
She had used up 12 hours and 45 minutes. 7 hours and 15 minutes left, but if you're including the minutes, then it's 7 hours and 15 minutes. Good luck! :D
Answer:
To get the reciprocal of a fraction, just turn it upside down. Like this: 3. 4. A Fraction ... Convert it to an improper fraction: 213 = 6 3 + 1 3 = 7 3 2.
Step-by-step explanation:
If two or more polygons are congruent, you can place one on top of the other, and they will match exactly. Congruent polygons do not have to be parallelograms or regular. Options A, B, and E are true.
Answer: B. A, B, and E
17 - 10 = 7
The difference is that the second string is 7 centimeters longer.