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Define ????: ℝ → {0,1} as the characteristic function of ℤ+, the set of positive integers. That is, ????(x) = ????A (x), for the set A of positive integers = n ∈ ℤ+ .
answered
Nov 19, 2021
Mathematics
college
2
votes
57.0k
views
Ten less than half of what number is 30?
answered
Oct 23, 2021
Mathematics
college
3
votes
62.3k
views
Read the English translation on this sign. What might an American audience assume about the people who run the center where this sign was posted? Check any of the boxes that you agree with. that they speak
answered
Aug 1, 2021
English
middle-school
4
votes
174k
views
А blank is a special ability that you possess that helps make you a unique individual.?
answered
Jun 30, 2021
Health
high-school
2
votes
158k
views
8. Evelyn flips three coins simultaneously. The theoretical probability that only two of the coins will turn up heads is. If Evelyn flips the three coins simultaneously 200 times, how many times can she
answered
Jun 21, 2021
Mathematics
middle-school
4
votes
167k
views
A researcher discovers a new microfossil. At first, he is uncertain whether this organism was a bacterium , Archaeon, or protist. After careful study, he determines that this organism was a protist. What
answered
May 27, 2021
Biology
high-school
3
votes
156k
views
Help plz 15 pointsss
answered
Mar 18, 2021
Chemistry
high-school
3
votes
121k
views
Please help it has to be done by tomorrow
answered
Jan 9, 2021
History
high-school
4
votes
200k
views
The old cabin was surrounded by many tall trees. Is the verb transitive or intransitive?
answered
Jan 8, 2021
English
high-school
7
votes
60.3k
views
read the sentence. today Julia is preparing the soil for her corn seeds and young tomato plants. which word in the sentence is an adverb?
answered
Oct 9, 2020
English
middle-school
3
votes
204k
views
Martin mixed sulfur (a yellow solid) with iron filings (a black solid) in a ceramic dish called a crucible. Then he separated them using a magnet. What kind of a change is this? A. change in state B. mixing
answered
Aug 19, 2020
Physics
middle-school
0
votes
112k
views
Select the correct answer. Which personality trait makes you loyal towards your employer, and truthful in your job? A. being on time B. adherence to deadlines C. honesty and integrity D. sociability
answered
Aug 10, 2020
Business
middle-school
4
votes
31.1k
views
Factors that may allow one to model a control volume as having negligible (zero) heat transfer include (1) the outer surface of the control volume is well insulated, (2) the outer surface area of the control
answered
Mar 28, 2020
Engineering
college
1
vote
111k
views
Businesses can be classified into the following forms: sole proprietorship, partnership, corporation, limited liability company (LLC), and limited liability partnership (LLP). Different forms of businesses
answered
Feb 22, 2020
Business
college
6
votes
177k
views
Which of the following statements is true? A. Particles of a solid have a very orderly, three dimensional arrangement and do not move B. Particles of a liquid change shape and volume C. Particles of a
answered
Dec 14, 2019
Chemistry
college
4
votes
219k
views
How long would it take to travel 630 miles at the rate of 35 miles per hour? 18 h 35 h 220 h 350 h
answered
Oct 18, 2019
Mathematics
high-school
4
votes
171k
views
In "On the Morning of Christ's Nativity," what did Christ forsake and what did He choose?
answered
Oct 7, 2019
English
college
0
votes
50.4k
views
Question 1(Multiple Choice Worth 2 points) An environmental impact statement refers to an analysis of possible effects of a project. reports prepared after a geographic study of an area. a report required
answered
Aug 13, 2019
Advanced Placement (AP)
high-school
2
votes
174k
views
What is the best estimate for the length of a real baseball bat in meters?
answered
Apr 29, 2019
Mathematics
high-school
2
votes
125k
views
Changes in sea level can result from water being locked inside a
answered
Feb 27, 2019
Biology
college
0
votes
37.2k
views
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