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Answers by NOSAE

Answers by NOSAE
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Prove or disprove the following inference rules for a relation r(R) with W,X,Y, and Z subsets of attributes of R. a. X→Y and Z→W imply XZ→YW. b. XY→Z and Z→X imply Z→Y. c. X→Y and Y→Z imply X→YZ. Options:
answered Oct 21, 2024
4 votes
47.4k views
Investments in health care informatics may take some time to "earn their keep." how can reports be used for effective control of revenue as well as for improved health care?
answered Oct 5, 2024
5 votes
100k views
What distance would a star be at, in pc, if its distance modulus were exactly zero?
answered Sep 25, 2024
5 votes
34.0k views
Which of the following statements is TRUE? You should always support the head, neck and back of an infant younger than 6 months old. You should always support the head, neck and back of an infant, but
answered Aug 17, 2024
3 votes
87.7k views
Who were the members of the British Punitive Expedition in the Benin Palace?
answered Aug 15, 2024
3 votes
181k views
CAPITALIZATION: 1. tony and i like to speak spanish with uncle marco.
answered Jul 21, 2024
5 votes
141k views
The monthly mortgage loan constant for a fully amortising constant payment loan with an annual rate of 9% is .008997. Assuming another loan has the same principal amount (PV), term (N), and interest rate
answered Jul 10, 2024
1 vote
224k views
According to the thinking of the time, which war was waged "to make the world safe for democracy"? O World War I The Spanish Civil War O World War II O The Vietnam War
answered Jul 9, 2024
4 votes
67.1k views
For what reason were African-American troops serving in the West during the Indian Wars known as Buffalo soldiers?
answered May 21, 2024
4 votes
192k views
The hypotenuse of a right triangle is 65 inches long. One leg is 3 inches shorter than the other. Find the lengths of the legs of the triangle.
answered Apr 14, 2024
2 votes
114k views
What is the likely cause of acute onset of abdominal pain in a patient with CAD and XR revealing "thumbprinting" in the bowel? 1) Acute appendicitis 2) Acute cholecystitis 3) Acute diverticulitis 4) Acute
answered Feb 2, 2024
4 votes
188k views
PLEASE HELP............ How does Legalism differ from Confucianism?
answered Feb 22, 2023
7 votes
17.8k views
Jessica was planting flower seeds in a garden. She planted 22.75 square feet of seeds in 7 minutes. At what unit rate did Jessica plant seeds?​
answered Jan 10, 2023
6 votes
138k views
a sample of copper was heated at 275.1 C and placed into 272 g of water at 21.0 C. The temperature of the water rose at 29.7 C. How many grams of copper were in the sample
answered Nov 1, 2022
4 votes
52.8k views
PLEASE HELP ME ASAP!!!(ФωФ)
answered Aug 27, 2022
2 votes
203k views
6.6× 101/03 ×107 can sum one plz help me with this question
answered Aug 11, 2022
3 votes
212k views
He has told many stories to us. O present O past O present participle O past participle
answered Aug 1, 2022
11 votes
217k views
What is 3/40 as a percentage, decimal and word form? Thanks for the help
answered Jul 22, 2022
1 vote
132k views
Hannah takes a sheet of paper and cuts from one corner to the opposite corner, making two triangles. If the length of the cut is 12 inches and the paper is 8 inches long, what is the width of the sheet
answered Apr 21, 2022
5 votes
208k views
Which of the following equations has been solved correctly? Select 2.
answered Apr 19, 2022
7 votes
41.5k views
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