I good accumulator to use would be symbolab.com
The answer would be 3072/5629
The answer is 15 because I checked it with Socratic
Answer:
"changes the period to pi"
Step-by-step explanation:
f(t) = Sin(t),
Here, t is the period, by definition.
Multiply t by a number that is GREATER THAN 1, makes the period shorter and compressed.
Multiplying t by a number that is between 0 and 1 makes the period expanded.
For the first, if we multiply the period by a, the period becomes 
Since the problem tells us to multiply by 2, we know the period becomes compressed and becomes :

Third answer choice is right.
Answer:
21/3.5 =6 inches
Step-by-step explanation:
I can burly read that but the fraction should be right