Mathematics, 28.07.2020 15:01, captaincluck52

Kris obtained the equation n(n−20)=n

and claims that, after dividing each side by n, she gets the equation

n−20=1,

which is solved by

n=21.

Is Kris correct, or has she overlooked a possibility?

Choose the correct answer below. Use the Show Work learning aid to provide related calculations and additional reasoning to support your answer.

A.

Kris is correct.

B.

Kris is not correct since

n=0

is also a solution.

C.

Kris is not correct because

n=21

is not a solution.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:40, alexnunez07

Multiplying an even number of negative numbers gives an answer that is choose from:

Answers: 3

continue

Mathematics, 21.06.2019 17:00, Uc34758

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Answers: 1

continue

Mathematics, 21.06.2019 20:20, jackiediaz

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

Answers: 1

continue

Mathematics, 21.06.2019 22:00, jamarstand

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

Answers: 1

continue

Do you know the correct answer?

Kris obtained the equation n(n−20)=n

and claims that, after dividing each side by n, sh...