bankskry
04.02.2021 •
Mathematics
Let (R,+,·) be a ring and e, f ∈ R two idempotent elements such that e f = f e = 0. Show that the elements 1-e, 1-f and e+f are also idempotent. Determine the idempotent elements of the ring Z20
Solved
Show answers
More tips
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Mathematics
- M Mathematics In a store at the local mall, the price for sweaters was $30 each. In October, the price was raised by 20%. In December, the price was raised by 40%. What is the price of a...
- M Mathematics Evaluate the geometric series: -4 – 20 – 100 – 500..., n= 8...
- S Social Studies The romantic concept of imagination is that it refers to the synthetic action of the mind. a. true b. false...
- M Mathematics Q#2) The solid is made up of a hemisphere and a cone. Find the Volume and surface Area of the solid.Give your answer correct to 2 decimal places. [Take 1 =3.142][6]5 cm3 cmSU...
- G Geography The albedo of soil is relatively thus it most solar radiation that strikes it. a. (1) high, (2) reflects b. (1) high, (2) absorbs c. (1) low, (2) reflects d. (1) low, (2) absorbs...
- H History When many american indian slaves died of european diseases, they were replaced with a. paid workers from europe b. slaves transported from mexico c. slaves brought to the americas...
Ответ:
There is no mode distance, so take the middle number around 7-8. maybe 7.5.
position 4
7.5 km
Not entirely sure, let me know if there's an error and I will fix it.