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According to rules, when an operator is about to operate his train into an inspection shed, he must blow two distinct blasts on whistle, then pull into the shed slowly. The MOST likely reason for blowing
answered
Dec 10, 2024
Engineering
college
2
votes
8.8k
views
Let X={a,b,c,d}, f={(a,b),(b,a),(c,c),(d,d)}⊂X×X, and g={(a,d),(b,a),(c,b),(d,c)}⊂X×X. Find g∘g. a. {(a,a),(b,d),(c,b),(d,c)} b. {(a,d),(b,b),(c,a),(d,c)} c. {(a,a),(b,b),(c,c),(d,d)} d. {(a,c),(b,d),(c,
answered
Oct 28, 2024
Mathematics
college
4
votes
32.7k
views
In water fluoridation, the ratio of fluoride to water is A. 3 drops per gallon. B. 1 part per consumer. C. 1 part per thousand. D. 1 part per million.
answered
Sep 10, 2024
Chemistry
high-school
5
votes
52.2k
views
( 9³. 9 . 9⁰ ÷ 9⁴. 9¹ )-³ simplify and calculate this algebraic expression
answered
Dec 26, 2023
Mathematics
high-school
2
votes
108k
views
Design a presentation or research for an awareness campaign for young people about the good citizen and his role in active participation in his community (family - school - society), and how to make a
answered
Sep 1, 2023
Social Studies
high-school
7
votes
90.1k
views
Write the equation of the line that is perpendicular to the graph of y = x + 6 and whose y-intercept is (0, -2)
answered
Jun 3, 2023
Mathematics
college
3
votes
189k
views
Solve the equation 3(2^2x +3) - 5(2^2x+2) - 156 = 0 leaving your answer in logarithmic form
answered
May 25, 2023
Mathematics
high-school
2
votes
113k
views
Please help me solve this!
answered
Apr 7, 2023
Mathematics
high-school
3
votes
60.4k
views
Solve each system by graphing and write the solution.y = -2x + 2y = 1/2x -3
answered
Mar 17, 2023
Mathematics
college
4
votes
214k
views
Conjugate: Yo _______ (comprar) una camisa ayer.
answered
Feb 18, 2023
Spanish
high-school
3
votes
158k
views
In 5 days, a scientist wrote 3 pages of a research paper. At that rate, how many days will it take the scientist to write a 30-page research paper? (6.1A, 6.1B, 6.1F) А 18 days C 25 days B 30 days D 50
answered
Dec 15, 2022
Mathematics
high-school
4
votes
144k
views
Where did Genghis Khan come from, and what were his people like? (
answered
Dec 14, 2022
History
high-school
1
vote
148k
views
17. AgNO3 + KCI AgCl + KNO3
answered
Nov 4, 2022
Chemistry
college
5
votes
135k
views
Which three length combinations below cannot be the side lengths of a triangle? A. 23 m, 17 m, 14 m B. 11 m, 11 m, 12 m C. 5 m, 7 m, 8 m D. 21 m, 6 m, 10 m
answered
Jun 17, 2022
Mathematics
high-school
10
votes
39.0k
views
Before a plant grown in a greenhouse can be planted in a field or garden, it should first be ______off. Fill in the blank please.
answered
Jun 11, 2022
Biology
high-school
2
votes
166k
views
5 friends are going on a 3 kilometer hike. Each person is going to lead the group for an equal distance of their hike. How many kilometers should each person lead? * 3/5 kilometer 5/3 kilometer 1 2/5 kilometer
answered
May 29, 2022
Mathematics
middle-school
4
votes
223k
views
If the mass of a box is 200 Kg, with what net force would you use to make the box accelerate 2.4 m/s 2 ?
answered
May 18, 2022
Physics
high-school
10
votes
75.2k
views
8. What do human geographers study? * O A. people and the places where they live O B. physical features of the earth O B. weather patterns of the earth O D. types of plants and animals that live in a region
answered
Mar 16, 2022
Social Studies
college
8
votes
234k
views
Fill in the statement with always,sometimes,or never to make it true The quotient of a rational number and an irrational number is ____Rational The difference between a irrational number and an irrational
answered
Feb 21, 2022
Mathematics
college
2
votes
51.0k
views
Someone help me please!!!Divide 100 in the ratio 2:3.
answered
Feb 19, 2022
Mathematics
college
0
votes
167k
views
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