Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of $ 10 $10dollar sign, 10 from each of the subscribers to her website. Last month, the website had 100 100100 subscribers. This month, 30 3030 new members joined the website, and 10 1010 members canceled their subscription. How much money will Kiersten’s online business earn this month?

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

25/6

step-by-step explanation:

you multiply 4 by the denominator (4*6=24) and add it to the numerator which makes it 25/6.