Radius of a circle with the circumference of 28 π

R = 14

Step-by-step explanation:

The formula for finding the circumference of a circle is πd or 2πr:

Since we are trying to find the radius, we'll use 2πr.

28 ÷ 2 = 14.

So, that means the radius is 14.

Check:

14 · 2 = 28.

28 · π = 28π

Thus, an answer of is correct.

mxb67

step-by-step explanation:

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.