Answer:
<h2>The maximum height is 20.</h2>
Step-by-step explanation:
The height of the ball is given by .
Differentiating the above equation, with respect to t, we get .
At the maximum height the derivative of the function needs to be 0.
Hence, gives .
The maximum height is
Answer:
28.26
Step-by-step explanation:
First find the radius by dividing the diameter by 2 (6/2 = 3) Now that we know that the radius is 3 you multiply it by 3 because you need the radius squared. (3*3 = 9) and then you multiply 9 by 3.14 and get your answer of 28.26.
Answer:
I think A and B as they both have 27- degree angles
Step-by-step explanation:
I MAY BE WRONG SORRY
It’s basically the same thing as -4=20 so your answer would be -5 or D
Answer:
n(t) = 10×1.2^t
Step-by-step explanation:
The idea here is that the number of ill students is multiplied by 1+20% = 1.20 each hour. That is, after t hours, you have multiplied the original number by 1.20 "t" times. Of course, repeated multiplication is signified using an exponent.
The form you can use in such cases is ...
value = (initial value)×(growth factor in period)^(number of periods)
Here, you're given a growth rate (20% per hour), so you add 1 to get the growth factor (as we showed above).
Your exponential function can be ...
n(t) = 10×1.20^t