Answer:
18
Step-by-step explanation:
cos 49=x/27
27 cos 49= x
x = 17.7
approximately 18
Answer: C
Step-by-step explanation:
Answer:
f(2) = $180.22
f'(2) = $130.00/week
f'(2)/f(2) = 72.13%
Two weeks after the DVD was released, the revenue from sales is $180.22 and is increasing at a rate of $130 per week, or 72.13% per week.
Step-by-step explanation:
The revenue from sales, in dollars, as a function of time, in weeks, is given by:

After two weeks (t=2), the revenue from sales is:

The rate of change, which is given by the derivate of the revenue function, at t = 2 weeks is:

The relative rate of change is:

Therefore, Two weeks after the DVD was released, the revenue from sales is $180.22 and is increasing at a rate of $130 per week, or 72.13% per week.
<span>90x100=9000/120= 75 So he weighed 75lbs
hope this helps :)</span>
Answer:D
Step-by-step explanation:
-9+9=0