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Consider a set A = {a1, . . . , an} and a collection B1, . . . , Bm of subsets of A (i.e. Bi ⊆ A for each i.) We say that a set H ⊆ A is a hitting set for the collection B1, . . . , Bm if H contains at
asked
Dec 15, 2021
Mathematics
college
1
answer
2
votes
217k
views
Why don't natural killer cells destroy normal body cells?
asked
Jul 25, 2021
Biology
college
2
answers
3
votes
103k
views
How would you write “4/1000” in the decimal form
asked
Jul 18, 2021
Mathematics
high-school
1
answer
2
votes
211k
views
Why did Romeo want to break Benvolio's shin?
asked
Jun 28, 2021
English
college
2
answers
4
votes
124k
views
What did the expeditions of Lewis and clark, pike, and fremont reveal about the west?
asked
Jun 21, 2021
History
middle-school
2
answers
0
votes
231k
views
I need help on this it is a fraction subtract another fraction which is negative thx to whoever helps 5/7-(-1/7)
asked
Jan 25, 2021
Mathematics
middle-school
1
answer
3
votes
217k
views
Given fx)= 10-2x, find f(7) -4 3 7 56
asked
Dec 1, 2020
Mathematics
middle-school
2
answers
4
votes
123k
views
Which biological process involves the accumulation of toxins and pollutants in the upper levels of a food chain? Biomagnification Competitive exclusion Phosphorylation Photosynthesis
asked
Aug 6, 2020
Biology
college
2
answers
0
votes
133k
views
Where does the parentheses go and equation 7 + 16 -8 / 2 + 2 * 25 divided by 5 to get the total number of 21?
asked
Jul 6, 2020
Mathematics
high-school
1
answer
1
vote
233k
views
Random question marathon: Why do people like bubble wrap so much? First one to answer gets Brainilest.
asked
Mar 13, 2020
Health
middle-school
2
answers
2
votes
70.9k
views
Plz Help!!! 20 points. What is the main idea of "Bike Safety: Intersections"? A Bikers need to use the proper, legal methods for navigating intersections. B Bikers need to be aware of bicyle laws in their
asked
Jul 4, 2019
English
middle-school
2
answers
4
votes
22.4k
views
What is the major problem associated with heart transplants today?
asked
Jun 23, 2019
Social Studies
high-school
1
answer
0
votes
215k
views
In complete sentences, compare the circulatory system of a plant and an animal
asked
Sep 17, 2018
Biology
middle-school
1
answer
1
vote
69.6k
views
Characteristics such as a widow's peak or attached earlobes are determined by the genetic code. Which components of DNA are referred to as the genetic code?
asked
Aug 19, 2018
Biology
high-school
2
answers
5
votes
162k
views
Which sentence uses correct capitalization? A. Jena Times was still the mayor of lufkin, Colorado, while Marilyn Jackson's trial was going on. B. Jena Times was still the mayor of Lufkin, Colorado, while
asked
Aug 8, 2018
English
middle-school
2
answers
4
votes
45.0k
views
ead the spreadsheet formula below, then answer the question. =SUM(C6:C9) What does the : symbol in the formula do? arranges the formula in the correct order of operations selects all of the cells in the
asked
Feb 26, 2018
Computers and Technology
college
1
answer
0
votes
55.3k
views
What marked the end of the Cattle kingdom?
asked
Sep 18, 2017
History
high-school
2
answers
4
votes
168k
views
Which best describes a difference between the Minoan and Mycenaean societies?
asked
Jan 9, 2017
History
high-school
2
answers
5
votes
215k
views
A recipe requires 2.5 cups of peaches for 6 servings. What amount of peaches is required for 1 serving?
asked
Jun 5, 2016
Mathematics
middle-school
2
answers
3
votes
113k
views
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