The value of x and y vary directly and one pair of values are given. write an equation that relates x and y. simplify completely.
x=0.1, y=0.9
need !

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

a

step-by-step explanation:

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.