610055470
28.07.2020 •
Mathematics
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.
Solved
Show answers
More tips
- G Goods and services How to Choose a Vacuum Cleaner That Will Suit You?...
- F Food and Cooking Discover the most delicious spaghetti with these tips...
- P Philosophy How did the concept of module arise in computer science?...
- F Food and Cooking How to Cook Julienne? Recipes and Tips...
- D Dating, Love, Relationships 10 Useful Tips on How to Survive a Breakup?...
- F Food and Cooking Apple Cider Vinegar: The Ultimate Health and Beauty Solution...
- C Computers and Internet Е-head: How it Simplifies Life for Users?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
- F Family and Home Parquet or laminate, which is better?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
Answers on questions: Mathematics
- M Mathematics The product of a number and is 3 Find the number.Your answer...
- M Mathematics $37 dinner bill with a 15% tip...
- M Mathematics The key concepts used to convert units between different systems of measurement are shown without the final two steps...
- M Mathematics Express (x+ 1)(2x3) as a trinomial....
- M Mathematics What is 8/9 divided by 2/3 A.1 and one-sixth B.1 and 2 Over 9 C.1 and one-third D.1 and two-thirds...
- M Mathematics Why do we subtract $2.50 from the original?...
- M Mathematics A 2-column table with 6 rows titled Students with Pets. Column 1 has entries a percent, a percent, a percent, a percent, a percent, b percent. Column 2 has entries c, c, c, c,...
- M Mathematics Given points on the graph (0,7) (2,5) What is the y-intercept of the line? a b = 2 b = 0 С b = 5 d b = 7...
- M Mathematics Deon rented a truck for one day. There was a base fee of $16.95, and there was an additional charge of 86 cents for each mile driven. Deon had to pay $219.91 when he returned...
- M Mathematics I will give brainliest...
Ответ:
with a combined distance of 60 miles per hour it would take 2.5 hours