The relationship between women’s whole-number shoe sizes and foot length forms an arithmetic sequence, where an is the foot length in inches that corresponds to a shoe size of n. a women’s size 3 fits a foot 8 inches long and women’s size 7 fits a foot 91 3 inches long. what is the common difference of the arithmetic sequence?

1/3, just took the quiz

Step-by-step explanation:

part 1- 1/3

part 2- a.n = 22/3+(n-1)1/3

part 3- size 12

Step-by-step explanation:

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

answer: 40.95

step-by-step explanation: