Answer:
a.
b.
Step-by-step explanation:
First, we need tot find a general expression for the amount of caffeine remaining in the body after certain time. As the problem states that every hour x percent of caffeine leaves the body, we must substract that percentage from the initial quantity of caffeine, by each hour passing. That expression would be:
Then, to find the amount of caffeine metabolized per hour, we need to differentiate the previous equation. Following the differentiation rules we get:
The rate is negative as it represents the amount of caffeine leaving the body at certain time.
It's the first one because surface area is l*w of each side and add that all together which is 288 sq in.
Answer:
Step-by-step explanation:
The area of the rectangular field is:
Whose factorized form is:
The area of an rectangle is the product of the width and length. Since one side is equal to , the length of the other side is .
Answer:b 150+40
Step-by-step explanation: i add 150+40 = 190 than i multiply 40 times the week so 13 and is 520 and than add 150 so its 670. :) your welcome
I would say 90 degrees because angles ACO are at a 90 degree angle