VI. (1 + 3)3¹ + (2 + 3)3² + (3+3)3³ + ... + (n + 3)3^n =3/4[3^n(2n+5)-5]
Use mathematical induction to :
1. Prove that 6 is a factor of n(n + 1)(12 + 2)
2. Show that 24 1 - 1 is divisible by 15
3. Prove that 3^n- 2n is divisible by 4

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it

answer: b f g .

step-by-step explanation:

school a:

minimum value is 2

maximum value is 22

the lower quartile is 2.5

the median is 10

the upper quartile is 15.5

school b:

minimum value is 9

maximum value is 20

the lower quartile is 12

the median is 16

the upper quartile is 18

box plot for school a isn't symmetrical. the data tails on the right

box plot for school b isn't symmetrical. the data tails on the left

hope i

-lavira: )