Is 1/7 an irrational number?

Yes

Step-by-step explanation:

1/7 = 0. 142857, where the bar over 142857 indicates a pattern that repeats forever. A real number that cannot be expressed as a quotient of two integers is known as an irrational number.

It is irrational because it ends.

In decimal form, rational numbers are either terminating or repeating decimals. For example, 1/7 = 0. 142857, where the bar over 142857 indicates a pattern that repeats forever. A real number that cannot be expressed as a quotient of two integers is known as an irrational number.

Step-by-step explanation: Havee a nice day!!-Lily ^-^

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

if you was gonna solve for a, a is a   < -12