Kylie starts with $145 in her piggy bank. each month she adds $20. which recursive function rule models the total amount in kylie’s piggy bank at the end of each month? 1. an=20⋅an−1 and a1=145 2. an=20+an−1 and a1=145 3. an=145+an−1 and a1=20 4. an=145⋅an−1 and a1=20

2.  and

Step-by-step explanation:

We are given that, Kylie started with $145 in her piggy bank i.e. the initial amount in the piggy bag is $145 i.e.

Now, it is provided that Kylie adds $20 each month in her piggy bank i.e. at the end of each month $20 is being added to the previous amount.

Hence, the recursive function is: ,  where the initial amount is .

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi

27 +27 or 27times 2=54

the diffrence is 0