A toy is made up of cylindrical rings stacked on a base, as shown in the diagram. The diameter of Ring 1 is 95% of the diameter of the base. For Ring 2 through Ring 7, the diameter of each ring is 95% of the diameter of the ring directly below it. The diameter of the base is 10 inches. Which function can be used to find the diameter in
inches of Ring r, where 1≤ r ≤ 7?

d(r) = 10(0.95)^r

d(r) = 0.95(r - 10)

d(r) = 0.95(10)^r

d(r) = 10(r - 0.95)

you would need to know all the numbers that are on there

step-by-step explanation:

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m=   (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m=

m=

putting the value of a,b and m in equation (i) gives us

-12 = + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.