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Answers by Zhen

Answers by Zhen
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How can the NOT NULL constraint be added to a column after a table is made? a) By using the MODIFY COLUMN statement in SQL b) It cannot be added after table creation c) By using the RENAME COLUMN statement
answered Nov 22, 2024
0 votes
220k views
A signal m(t) frequency modulates a 100 kHz carrier to produce the following narrowband FM signal: ONBEM (t) = 10 cos (217.105t + 0.0050 sin 216.104t) Generate (block diagram design) the wideband FM signal
answered Aug 7, 2024
3 votes
28.0k views
Change the following to an indirect style, recounting what someone else is saying (present tense): "Tengo mucha hambre." Option 1: Ella tiene mucha hambre. Option 2: Él dice que tiene mucha hambre. Option
answered Jul 29, 2024
3 votes
174k views
If there are 30 dogs and 40 cats at a pet daycare, fill out all of the possible ratios of dogs to cats that could be made.
answered Apr 12, 2024
1 vote
188k views
if the core electrons were 100% effective at shielding the valence electrons from the nuclear charge and the valence electrons provided no shielding for each other, what would be the effective nuclear
answered Mar 13, 2024
3 votes
61.3k views
Which of the following symbol will make a true sentence when inserted in the blank? 5/7___0.6 a. < b. > C. =
answered Dec 19, 2023
4 votes
187k views
Graph the points K(-2, -1), L(-1, 2), M(2, 4), and N(1,1) in desmos geometry. What is the distance from point M to point N? options: 4 √10 3 √8
answered Dec 11, 2023
9 votes
3.3k views
Vygotsky believed that learning primarily occurred through __________. a. schemas formed from one’s experiences b. one’s experiences with the environment c. one’s social interactions with others d. use
answered Dec 10, 2023
2 votes
65.1k views
According to monk's stories, what common trait do Hercules and Samson share
answered Nov 10, 2023
9 votes
103k views
How much interest will a principal of 16,500$ earn in 18 months?
answered Jun 12, 2023
4 votes
102k views
1. Paris was formerly known as Lutte. True False
answered Apr 21, 2023
3 votes
151k views
What are the zeros of f(x)=2x^3+5x^2-2x-5, if one of the zeros is 1?
answered Feb 12, 2023
9 votes
7.2k views
Please help! options A) integer B) Real C) Whole D) irrational
answered Dec 24, 2022
2 votes
205k views
Inverse of f(n)=-2n^3-3
answered Oct 13, 2022
9 votes
172k views
According to the table, who has the right to vote in America?
answered Sep 18, 2022
9 votes
130k views
What are the different positions in football?
answered Aug 24, 2022
7 votes
28.5k views
a home-improvement store sold bird feeders for 40 each a customer signed up for a free membership card and received a 7% discount what was the final price of the bird feeder
answered Jun 29, 2022
4 votes
109k views
1) Give all the mole-to-mole relationships (ratios) that exist in fraction form for the following reaction. (12 total) 2 Li2O2 + 2 CO2 2 Li2CO3 + O2​
answered Jan 29, 2022
6 votes
100k views
What were the 3 plans for reconstruction, and where does the Reconstruction Act of 1867 fit in?
answered Jan 19, 2022
1 vote
159k views
Which source would best enable students to read the feelings and thoughts of Mahatma Gandhi? personal letters written by Gandhi a biography about Gandhi newspaper articles about Gandhi a critique of letters
answered Nov 23, 2021
4 votes
177k views
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