8. find a simple closed formula for -1)4k. prove your answer using induction. hint: try computing the first several partial sums, to guess at what the closed formula might be

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

its perfect good job honey

step-by-step explanation:

awesome job girl

8.75

how-to:

first, we need to find what we have to work with.

since i know that we have 7 (years) and 0.8 (inches), we can use these to solve and find the equation!

secondly, what you want to do, is see that we need to know how much growth out of the 0.8 inches he got in only 1 year, instead of 7 years.

let's try to divide.

7 ÷ 0.8 = 8.75

there were only 2 presidents that were under the age of 45. theodore roosevelt, and jfk, that makes 5%