Answer:
The first answer one is true
ANSWER
The value of the expression is
EXPLANATION
Method 1: Rewrite as product of
The expression given to us is,
We use the fact that
to simplify the above expression.
This implies,
We substitute to obtain,
Method 2: Use indices to solve.
This implies that,
Answer:
B:
Step-by-step explanation:
1. Substitute for c:
2. Solve substitution:
3. Compare to calculated answers when
4. when is
3 hours. I think. X represents the # of hours and they equal the same after exactly 3 hours.