Answer:
answer should be 52.4 mins
Step-by-step explanation:
find the midpoint for each time:
1. 15mins = 7students
2. 45mins = 27 students
3. 75mins = 12 students
4. 100 = 4students
Then, do the normal mean calculation by adding up all the values and dividing it by 50.
7*15 + 27*45 + 12*75 + 100*4 = 2620
2620/50 = 52.4mins
Answer:
1. B. a=14, b=2
2. D. a=1, b=1.4
Step-by-step explanation:
The exponential growth function can be represented as
where b is the growth factor.
1. When the function has equation
then
The initial amount is the value of the function at x=0:
The growth factor is b=2
2. When the function has equation
then
The initial amount is the value of the function at t=0:
The growth factor is b=1.4
Answer:
it is 2 spaces away. a positive number from zero would be +2 and a negative number would be -2
Step-by-step explanation:
Answer:
$13,282.83
Step-by-step explanation:
The initial value of the investment is $1400, when t = 0.
The appropriate formula for this exponential growth is
A = Pe^(rt), where r is the exponential rate of change and t is the number of years.
Thus:
A = $1400e^(0.09t). Note that when t = 0, A = $1400 as expected.
After 25 years:
A = $1400e^(0.09*25) = $13,282.83
